LHR - SOF

£61 Find Cheap Flights from London Heathrow Airport to Sofia

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Sofia departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sofia

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Sofia.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Sofia.
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Everything you should know

Cheapest return fare
£102
Typical prices: £105-£189
British Airways
Sat 21/3Mon 23/3
LHR - SOF • Direct
Cheapest one-way flight
£61
Typical prices: £70-£120
Multiple Airlines
Sat 10/1
LHR - SOF • 1 stop
When to travel
November
Cheapest • 30% price drop
July
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Direct flights
5 days a week
There are direct flights from Heathrow to Sofia 5 days a week: Mon, Wed, Fri, Sat, Sun.
Direct flights
Direct flights
Direct flights
Direct flights
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Booking Insights
Flight Deals

Cheap Flights from Heathrow to Sofia (LHR-SOF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Heathrow to Sofia that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent return flight deals from Heathrow to Sofia

Sat, 21 Mar - Mon, 23 Mar
British Airways Logo
06:05 - 11:15
LHR
-
SOF
3h 10mdirect
British Airways Logo
17:25 - 18:55
SOF
-
LHR
3h 30mdirect
£102British Airways
Sun, 11 Jan - Wed, 28 Jan
British Airways Logo
07:50 - 13:00
LHR
-
SOF
3h 10mdirect
British Airways Logo
21:00 - 22:30
SOF
-
LHR
3h 30mdirect
£116British Airways
Wed, 14 Jan - Wed, 28 Jan
British Airways Logo
14:55 - 20:10
LHR
-
SOF
3h 15mdirect
British Airways Logo
21:00 - 22:30
SOF
-
LHR
3h 30mdirect
£120British Airways
Wed, 21 Jan - Wed, 28 Jan
British Airways Logo
14:55 - 20:10
LHR
-
SOF
3h 15mdirect
British Airways Logo
21:00 - 22:30
SOF
-
LHR
3h 30mdirect
£123British Airways
Sun, 22 Mar - Mon, 23 Mar
British Airways Logo
07:50 - 13:00
LHR
-
SOF
3h 10mdirect
British Airways Logo
17:25 - 18:55
SOF
-
LHR
3h 30mdirect
£124British Airways
Sat, 31 Jan - Mon, 2 Feb
Multiple Airlines Logo
06:05 - 11:15
LHR
-
SOF
3h 10mdirect
Multiple Airlines Logo
11:15 - 21:15
SOF
-
LHR
12h 00m1 stop
£126Multiple Airlines
Thu, 5 Feb - Mon, 9 Feb
Multiple Airlines Logo
09:55 - 23:30
LHR
-
SOF
11h 35m1 stop
Multiple Airlines Logo
11:15 - 15:30
SOF
-
LHR
6h 15m1 stop
£127Multiple Airlines
Sat, 10 Jan - Sat, 24 Jan
Multiple Airlines Logo
09:55 - 18:50
LHR
-
SOF
6h 55m1 stop
Multiple Airlines Logo
16:00 - 12:20
SOF
-
LHR
22h 20m1 stop
£129Multiple Airlines
Mon, 12 Jan - Mon, 26 Jan
Multiple Airlines Logo
09:55 - 21:00
LHR
-
SOF
9h 05m1 stop
Multiple Airlines Logo
14:35 - 20:05
SOF
-
LHR
7h 30m1 stop
£129Multiple Airlines
Sat, 21 Feb - Wed, 25 Feb
British Airways Logo
06:05 - 11:15
LHR
-
SOF
3h 10mdirect
British Airways Logo
21:00 - 22:30
SOF
-
LHR
3h 30mdirect
£132British Airways
Booking Insights

KAYAK's insights & trends for Heathrow to Sofia flights

Get data-powered insights and trends into flights from Heathrow to Sofia to help you find the cheapest flights, the best time to fly and much more.

How much is a return flight from London Heathrow Airport to Sofia?

This analysis is based on the cheapest return trip price found on KAYAK in the last 12 months by searching for a flight from London Heathrow Airport to Sofia departing in March.

What’s the cheapest day of the week to fly from London Heathrow Airport to Sofia?

The average price of all round-trip flights from London Heathrow Airport to Sofia clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Sofia on a Thursday and more expensive on a Sunday. On your return trip to London Heathrow Airport, you should consider flying back on a Thursday, and avoid Sundays for better deals.

What is the cheapest month to fly from London Heathrow Airport to Sofia?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Sofia, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from London Heathrow Airport to Sofia is November, where tickets cost £143 (return) on average. On the other hand, the most expensive months are December and July, where the average cost of round-trip tickets is £277 and £262 respectively.

Can I save money by flying with a stopover from London Heathrow Airport to Sofia?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £218 on average.

How far in advance should I book a flight from London Heathrow Airport to Sofia?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Sofia, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from London Heathrow Airport to Sofia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Good to know - Cheap tickets from London Heathrow Airport to Sofia

Low seasonOctober
Cheapest flight£61
Most popular time to fly (29% more expensive on average)
Flight from London Heathrow Airport to Sofia

When to book flights from Heathrow to Sofia

Are your dates flexible? Find out the best times to travel from Heathrow to Sofia based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking London Heathrow Airport to Sofia flights

  • What are the common stopover routes between London Heathrow and Sofia?

    When flying from London Heathrow to Sofia, popular stopover routes include flights via Frankfurt am Main (FRA), Munich Airport (MUC), and Athens International Airport (ATH). The majority of flights are direct routes between the cities, but Aegean Airlines, Turkish Airlines, and Lufthansa are a few airlines offering flights with stopovers in these cities.

  • Which airlines provide Business Class tickets between London Heathrow and Sofia?

    Passengers seeking Business Class travel options between London Heathrow and Sofia can consider airlines like British Airways, Turkish Airlines, and Austrian Airlines. These carriers offer comfortable Business Class services with spacious seating, priority boarding, and enhanced in-flight dining experiences.

  • What is the baggage policy on flights from London Heathrow to Sofia?

    When flying from London Heathrow to Sofia, familiarise yourself with the baggage policies of the airlines operating on this route. British Airways, Iberia Airlines, and KLM allow passengers to bring a cabin bag and checked luggage. The standard limits are 8 kg cabin luggage and checked luggage weighing 23 kg. Low-cost airlines generally don't include a baggage allowance.

  • Are there any eco-friendly airlines operating flights between London Heathrow and Sofia?

    Several airlines prioritise eco-friendly practices on flights between London Heathrow and Sofia. Lufthansa is committed to reducing carbon emissions and has implemented sustainability initiatives. Lufthansa offers the most eco-friendly flights, with trips via Frankfurt am Main (FRA) with 73% fewer Co2 emissions. Flights via Munich have closer to 70% less Co2.

  • What is the cheapest flight from London Heathrow Airport to Sofia?

    In the last 3 days, the lowest price for a flight from London Heathrow Airport to Sofia was £61 for a one-way ticket and £102 for a return.

  • Which aircraft models fly most regularly from London Heathrow Airport to Sofia?

    The Airbus A320-100/200 is the aircraft model that flies most regularly on the London Heathrow Airport to Sofia flight route.

  • Which airline alliances offer flights from London Heathrow Airport to Sofia?

    oneworld, and Star Alliance are the airline alliances operating flights between London Heathrow Airport and Sofia, with oneworld being the most commonly used for this route.

  • On which days can I fly direct from London Heathrow Airport to Sofia?

    You can catch a direct flight from London Heathrow Airport to Sofia on Monday, Wednesday, Friday, Saturday, and Sunday.

  • Which is the best airline for flights from London to Sofia, Bulgaria Air or Austrian Airlines?

    The two airlines most popular with KAYAK users for flights from London to Sofia are Bulgaria Air and Austrian Airlines. With an average price for the route of £231 and an overall rating of 8.1, Bulgaria Air is the most popular choice. Austrian Airlines is also a great choice for the route, with an average price of £202 and an overall rating of 7.6.

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Sofia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Sofia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Sofia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sofia from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Sofia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Sofia with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Sofia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sofia from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from London Heathrow Airport to Sofia

  • Looking for a cheap flight from Sofia to London Heathrow Airport? 25% of our users found flights on this route for £100 or less one-way and £141 or less round-trip.
  • When arriving at Sofia Airport (SOF) to visit the city, take advantage of the airport's free guided tours. These tours provide a wonderful opportunity to explore the airport's facilities, learn about its history, and experience Bulgarian culture. It's a unique way to make the most of your time at the airport and discover more about Sofia before even leaving the premises.
  • When booking self-transfer flights from London Heathrow (LHR) to Sofia, like British Airways and Wizz Air trips via Basel EuroAirport Swiss, consider the stopover duration. Ensure you have sufficient time to collect your luggage, go through customs, and check in again for the connecting flight. Familiarise yourself with the airport layout, follow clear signage, and allow ample time for your transfer.
  • Passengers can access British Airways accessibility services by contacting the British Airways Special Assistance team prior to their journey. The team can be reached through the dedicated helpline or by requesting assistance during the booking process. British Airways ensures a comfortable travel experience with services such as wheelchair assistance, priority boarding, and dedicated support for passengers with specific needs.
  • When travelling with checked luggage to Sofia, it is recommended to choose reputable airlines like Lufthansa or British Airways. Lufthansa offers affordable flights via Frankfurt am Main (FRA) with a generous baggage allowance of 8 kg cabin luggage and 23 kg checked luggage. Opting for major airlines ensures a smooth and reliable travel experience with ample luggage capacity.
  • For business travellers or passengers needing in-flight connectivity from London Heathrow to Sofia, several airlines offer Wi-Fi services. British Airways provides reliable in-flight Wi-Fi on their flights, keeping you connected throughout the journey. Aegean Airlines also offers onboard Wi-Fi services, ensuring you can stay productive and connected during the flight. Check with the respective airlines for more details on Wi-Fi availability and pricing options.

Prefer to fly direct from London Heathrow Airport to Sofia?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from London Heathrow to Sofia.
Find which airlines fly direct from London Heathrow Airport to Sofia Airport, which days they fly and book direct flights.

Direct departures

London Heathrow to Sofia

Monday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

Wednesday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

Friday

Bulgaria Air

Bulgaria Air

Saturday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

Sunday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

See more direct flights

Direct returns

Sofia to London Heathrow

Monday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

Wednesday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

Friday

Bulgaria Air

Bulgaria Air

Saturday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

Sunday

British Airways, Bulgaria Air

British Airways, Bulgaria Air

See more direct flights

Reviews of the top 5 airlines flying from Heathrow to Sofia

 
See real verified KAYAK customer reviews for airlines flying from London to Sofia. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Heathrow to Sofia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.1
Bulgaria AirOverall score based on 59 reviews
7.8Comfort
8.5Crew
7.1Entertainment
8.2Boarding
7.7Food
Airline reviews

Bulgaria Air should stop using buses for boarding if possible. It is very inconvenient and delays the departure

8.0 ExcellentNikola, Jun 2025
SOF - AMS
Read more Bulgaria Air reviews

Bulgaria Air should stop using buses for boarding if possible. It is very inconvenient and delays the departure

Easy check in. Hot snack with wine if desired. Then chocolate, tea or coffee. Altogether excellent.

Seats are quite small, but due to the plane being empty we were aloud to switch seats to have more room

The water was handed out as we were entering the plane, instead of when we are set down and our hands are free of luggage. There was absolutely no food offered from Sofia to London, except a low quality chocolate, which was not delicious. The flight between London and Miami was ok, as far as service and food, but it was absolutely freezing, throughout the whole aircraft, especially in the back seats, I had to cover my head with a scarf, besides using the blanket and still I was feeling extremely uncomfortable. The passengers seating around me shared the same opinion. We did ask for something to be done about it. The gentleman did try to adjust it, but the effect last very short time, and towards the end of the flight it was extremely cold and blowing strong again ….

Cons: "Staff seemed confused and would not let us seat at our assigned seats which we picked in order to accommodate our baby. Instead they put us in an even worse spot and decided to ignore the people that took out seats and left them be."

No WiFi and ok comfort in business class. Home safe I guess that’s all that really matters.

Crew was excellent. Business class was poor on the short flight and mediocre at best on the international flight.

Very poor. Seats like economy class, food unbeatable, no charging, no entertainment, no WiFi, boarding by bus - no justification for calling and pricing this as business class

Boarding was delayed for an unknown reason for more than an hour. While the airplane was at the gate, the boarding time was moved by 10-20 minutes every 15 minutes. No entertainment on the plane.

The flight itself was pleasant and on time. Crew was very good. However, breakfast food was barely acceptable. Unfortunately this satisfies the recent industry standards. I asked for a sandwich with ham (another choice was cheese), but received a sandwich with roast beef.

During the flight, the fleas biting me in the plane.

Delay rushed to the next plane and bags didn’t arrive in chicago

Agents helping disable person doesnt know connections to Poland and after 9 agents helping and 2hours ,we made it to proper terminal. Polish Dreamliner its Polish nightmare liner with so narrow seats and no room under front seat for bag and feet,in economy class.To upgrade, to higher standart cost an arm and leg ,even there are empty seats No good experience overall

The crew and flight were amazing . However , my bag’s locker got broken and no refund provided . Everything else was amazing except this bad incident that ruined my experience

Checking in took very long for whatever reason. Flight comfort these days is always poor so… Crew was great thought!

Most of the crew members were rude, flight arrived late and we missed our connecting flight, they damaged my friends suitcase so badly that two wheels had been destroyed.

Great! They got my vegetarian meal right, flight was comfortable, they helped store my heavy luggage. Pleasant crew and flight staff.

I did wish they would give us the entire little bottle Bailey's instead of just have 1/2 bottle at a time

My layover in Vienna was supposed to be 35 minutes but because my flight was canceled I had to wait in the airport for an additional 8 hours.

Very limited legroom in a 10 hour flight.very old plane.

The flight was delayed for 30 minutes with no apparent reason. There is no entertainment at all, and no USB or electric outlets for charging your phone or tablet.

They had me unpack a handbag 2 lbs overweight into another handbag 8 lbs underweight for a Bible.

My flight was canceled and even though I paid אם KAYAK you didn't even answer me and obviously didn't refund my money. I will never buy a ticket through you again.

One thing I really liked about Austrian Airlines was that the flight attendants were very kind, and the in-flight entertainment offered many choices. One thing that could be improved is the meal service, since only a vegetarian option was offered — it would be better to have at least two choices

Despite the booked seats in front of the land we were moved to the back of the plane even first like 8 lines were totally without pasangers. When I tried to sit on empty seat flight attendant asked me to go to my dedicated seat in the fully crowded back of the plane. She was not able to explain why. Food was very poor on flight LAX - VIE.

Airline food is airline food, but the plane was wonderful and the seating comfort outstanding. One of my best flights in quite a while.

Paid for exit row at the back of the plane. Window seat with lots of leg space. Food was inedible (as usual). Brought my own.

Efficiency of staff, and comfort and cleanliness of aircraft was all great. Maybe a hot drink without payment at that time in the morning would be good!

The plane was late (as was my flight out from Birmingham the day before)

The flight was delayed by an hour. Made the connection uncomfortably tight.

When we went to the lounge they told us to go into the main lounge and not the full business class section, later they told me that Lufthansa wont pay the full fee to alloq the business class passengers entry to the nicer sectikn where all the other airlines nusiness class passengers go into. Very poor arrangement.

Both flights were delayed and we missed our connection. Our second flight was delayed 3 times. I have always had great service and never any problems with my flights on Lufthansa. My last two flights were, unfortunately, awful. I fly quite often to Germany and have had better luck with United than Lufthansa.

Not what I expected for the last leg of a $5100 business class experience. Boarding was a nightmare. The flight was delayed and I had to keep checking my email to ensure I was at the right gate since the airline or the terminal had no clue until 15 mins prior to boarding. Food was gross, limited drink options.

Flights scheduled with impossible connections - Lufthansa apparently believes it takes 7mins to change terminals, go through passport control, re-clear security and walk 1.8kms…..and everything will work perfectly (which it never does at Frankfurt). No staff on hand to assist with transfers on delayed flights. No transfer guidance provided by app. No compensation offered for 6hr delay to connecting flight.

Crew were friendly and very helpful Plane was clean and the legroom is standard. Overall a good flight, no complaints.

I was in a bulkhead seat and my tray table wasn't level. Eating was difficult.

Nice lounge but had a 5 hour layover which is a lot

Flight on time and priority boarding worked. I travelled economy although business was available as no flights are cheap these days and at least with BA loyalty card I get a baggage allowance for nothing. That made the flight comparable or even cheaper than the ‘budget’ alternative. As for catering and entertainment - not on a BA short haul economy ! At least we were offered biscuits and water! Catering for economy short haul has been reduced to the minimum - no tea or coffee or other drinks than water (from a large bottle with a paper cup on offer). They will say this is better for the environment, which it is, but proper waste management is still needed for empty packets etc. so actually it’s a money saver.

Audi visual not working for a whole group of seats in first class. How does a plane leave the main hub in such poor condition? How much that we can’t see so immediately is also compromised?

main meals are horrible but then you dont fly for the food

It was good. Couldn’t Check in online and select seats

It was great. Enough space and room for legs . Great service to.

⭐ British Airways Review — A Journey of Highs, Lows, and Lessons ⭐ I recently flew Business Class round-trip from Boston to Mumbai with British Airways, and my experience was a tale of two extremes — from disappointment to exceptional service, and then back to inconsistency. Boston → London: A Surprisingly Poor Start My journey began on a disappointing note. On a 6-hour Business Class flight, I was surprised to discover that there wasn’t a single proper vegetarian meal option available. I was offered a few bakery items only after repeatedly requesting something to eat. The flight attendant shrugged, offered no solution, and eventually — quite literally — threw some bread at me after much delay. This was not only disheartening, it was extremely surprising given my wonderful Business Class experience with BA last year. I stepped off that flight genuinely hungry and had to make a mad dash to the lounge just to get a proper meal. London → Mumbai: A Complete Turnaround The next sector restored my faith in British Airways. The entire crew was warm, welcoming, attentive, and genuinely caring. A special shoutout to Phiroze and the entire team serving the Business Class cabin — their professionalism, hospitality, and thoughtful service were extraordinary. They truly embodied what makes British Airways a global leader, and I am deeply grateful for the experience they provided. This is the BA I know and love. Mumbai → London: A Strange Meal Schedule This sector was generally fine, but the meal timing was puzzling. Lunch at 10:30 AM — for a Business cabin — felt unusual, and most passengers, including myself, barely touched it. The rest of the service was smooth, but the scheduling definitely needs a rethink. London → Boston: Mixed Experience Again The flight itself was decent, but the Business Lounge at Heathrow for this leg was a letdown. Arrived during lunch hours: no hot vegetarian options available Lounge area: dirty dishes everywhere Even after politely alerting the staff, the dishes were ignored and left uncleared For a premium cabin passenger — and at one of the world’s busiest international hubs — this was disappointing. Overall Impression My journey with British Airways felt inconsistent — two great sectors sandwiched between two that fell short of the BA standard. When BA is good, it is world-class. When it misses, the gap is noticeable. I genuinely hope the airline takes this feedback as constructive insight. I continue to believe in British Airways, and I commend the outstanding crew on the London → Mumbai sector — they were the highlight of my entire trip. With a little more focus on vegetarian meal availability, lounge service, and consistency across crews, BA can ensure every Business Class passenger experiences the premium journey they promise.

We were in business class and I had seat # 1. This was a night flight and after dinner was served, lights were dimmed and I went to sleep. The crew were loud and noisy so I didn’t get much sleep. I expect the crew to enjoy themselves but would Appreciate some decency in staying quiet while the passengers sleep

Have travelled business class with other airlines who profess to be the best in the world. They can however not beat the service and comfort that BA provide.

Everything you need to know for your flight from Heathrow to Sofia

Information on your arrival and departure airports