SOF - LHR

£52 Find Cheap Flights from Sofia to London Heathrow Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sofia to Heathrow departing on 7/12. 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 London Heathrow Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to London, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to London, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest return fare
£140
Typical prices: £228-£193
Air Serbia
Sat 26/9Mon 5/10
SOF - LHR • 1 stop
Cheapest direct flights
£182
Typical prices: £257-£198
British Airways
Sun 27/9Sun 4/10
SOF - LHR • Direct
Direct flights
Mon, Wed, Fri, Sat, Sun
You can fly direct with Bulgaria Air and British Airways. Average duration is 3h 37m
Direct flights
Direct flights
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Direct flights
Direct flights
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Top airlines
Cheapest • from £140 (return)
Best reviews • 8.4 score
Airline reviews
Airline reviews
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Airline reviews
Airline reviews
+1
Top stopover airports
Cheapest • Avg £147 (return)
Shortest trip • 5h 05m (one-way)
Insights
Insights
Insights
Insights
Avoid delays
Most punctual • 86% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
When to travel
Cheapest • 29% price drop
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Heathrow!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Sofia to Heathrow (SOF-LHR)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Sofia to Heathrow 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 Sofia to Heathrow

Sat, 26 Sep - Mon, 5 Oct
Air Serbia Logo
16:00 - 19:05
SOF
-
LHR
5h 05m
1 stop
Air Serbia Logo
13:30 - 15:30
LHR
-
SOF
24h 00m
1 stop
£140Air Serbia
Tue, 7 Jul - Tue, 14 Jul
LOT Logo
18:45 - 22:00
SOF
-
LHR
5h 15m
1 stop
LOT Logo
06:30 - 13:50
LHR
-
SOF
5h 20m
1 stop
£156LOT
Wed, 1 Jul - Wed, 8 Jul
LOT Logo
18:45 - 22:00
SOF
-
LHR
5h 15m
1 stop
LOT Logo
06:30 - 01:45
LHR
-
SOF
17h 15m
1 stop
£157LOT
Wed, 1 Jul - Wed, 8 Jul
LOT Logo
18:45 - 22:00
SOF
-
LHR
5h 15m
1 stop
LOT Logo
06:30 - 01:45
LHR
-
SOF
17h 15m
1 stop
£158LOT
Fri, 10 Jul - Tue, 14 Jul
LOT Logo
05:30 - 09:20
SOF
-
LHR
5h 50m
1 stop
LOT Logo
06:30 - 13:50
LHR
-
SOF
5h 20m
1 stop
£158LOT
Sun, 27 Sep - Mon, 5 Oct
Air Serbia Logo
16:00 - 12:30
SOF
-
LHR
22h 30m
1 stop
Air Serbia Logo
13:30 - 15:30
LHR
-
SOF
24h 00m
1 stop
£161Air Serbia
Wed, 8 Jul - Wed, 15 Jul
LOT Logo
05:30 - 22:00
SOF
-
LHR
18h 30m
1 stop
LOT Logo
06:30 - 01:45
LHR
-
SOF
17h 15m
1 stop
£162LOT
Mon, 6 Jul - Mon, 13 Jul
LOT Logo
05:30 - 22:00
SOF
-
LHR
18h 30m
1 stop
LOT Logo
06:30 - 13:50
LHR
-
SOF
5h 20m
1 stop
£163LOT
Fri, 10 Jul - Sun, 12 Jul
LOT Logo
18:45 - 22:00
SOF
-
LHR
5h 15m
1 stop
LOT Logo
06:30 - 18:00
LHR
-
SOF
9h 30m
1 stop
£164LOT
Wed, 8 Jul - Wed, 15 Jul
LOT Logo
18:45 - 17:10
SOF
-
LHR
24h 25m
1 stop
LOT Logo
06:30 - 01:45
LHR
-
SOF
17h 15m
1 stop
£164LOT
Booking Insights

KAYAK’s insights & trends for Sofia to Heathrow flights

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

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

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

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

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

If your flying dates are flexible, you should consider flying to London Heathrow Airport on a Sunday, as we generally find the cheapest rates on that day for this route. On the other hand, Friday is the most expensive day to fly from Sofia to London Heathrow Airport. For your return ticket, we recommend flying on a Monday and avoiding Sundays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sofia to London Heathrow Airport, 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 Sofia to London Heathrow Airport is March, where tickets cost £137 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is £250 and £239 respectively.

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

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 £216 on average.

Expert advice

Expert advice for your flight from Sofia to Heathrow

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on American Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, The Points Guy, and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Duncan Madden

Duncan Madden

Expert on British Airways

Duncan is a freelance travel writer, copywriter and book author in constant search of travel stories and the perpetual sensation of being on holiday. He’s never happier than when on a dusty trail in search of empty waves or ducking under the piste tape in search of snowbound solitude. British born, living in Germany, but happiest heading for the horizon. His first book, Found in Translation, explores the etymologies and stories of country names around the world and is out now.

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

Low seasonJune
Cheapest flight£52
Best time to beat the crowds but there is an average 22% increase in price.
Most popular time to fly and prices are also 22% lower on average.
Flight from Sofia to London Heathrow Airport

When to book flights from Sofia to Heathrow

Are your dates flexible? Find out the best times to travel from Sofia to Heathrow 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 Sofia to London Heathrow Airport flights

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

    In the last 3 days, the lowest price for a flight from Sofia to London Heathrow Airport was £52 for a one-way ticket and £140 for a return.

  • Which airports will I be using when flying from Sofia to London Heathrow Airport?

    When flying out of Sofia you will be using Sofia. You will be landing at London Heathrow Airport, also known as London Heathrow.

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

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

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

    oneworld is the only airline alliance operating flights between Sofia and London Heathrow Airport.

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

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

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

    The two airlines most popular with KAYAK users for flights from Sofia to London are Bulgaria Air and British Airways. With an average price for the route of £199 and an overall rating of 8.4, Bulgaria Air is the most popular choice. British Airways is also a great choice for the route, with an average price of £143 and an overall rating of 6.7.

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

    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 Sofia to London Heathrow Airport.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London Heathrow Airport from Sofia 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 Sofia to London Heathrow Airport?

    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 London Heathrow Airport with an airline and back to Sofia with another airline.

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

    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 London Heathrow Airport from Sofia 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 Sofia to London Heathrow Airport

  • Looking for a cheap flight from London Heathrow Airport to Sofia? 25% of our users found flights on this route for £106 or less one-way and £216 or less round-trip.

Prefer to fly direct from Sofia to London Heathrow Airport?

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

Direct departures

Sofia to London Heathrow

Monday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Wednesday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Friday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Saturday

Bulgaria Air

Bulgaria Air

Sunday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

See more direct flights

Direct returns

London Heathrow to Sofia

Monday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Wednesday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Friday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

Saturday

Bulgaria Air

Bulgaria Air

Sunday

British Airways,Bulgaria Air

British Airways,Bulgaria Air

See more direct flights

Reviews of the top airlines flying from Sofia to Heathrow

 
See real verified KAYAK customer reviews for airlines flying from Sofia to London. 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 Sofia to Heathrow? 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.
8.4
Bulgaria AirOverall score based on 60 reviews
7.8Food
8.1Comfort
7.2Entertainment
8.4Boarding
8.7Crew
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 ….

Service and food was amazing. Aircraft configuration is weird - stare at a stranger at take off and landing, during flight someone is crawling over your seat. It was lame.

BA Canceled this flight and put us on a flight leaving Aberdeen at 8:00 PM, delaying our return to the states by a full day. The cancellation caused us expenses in both Aberdeen and London and BA was completely unhelpful on the phone and at the airport.

First time flying with them! Loved it! Specially the schedule from Miami and being able to come back directly to New Orleans :)

They lost my luggage on my way to Namibia (I was unable to review that flight as I was in the bush/off line) It took 3 days to get my bag and I had to pay $375.00 to have it transported to my location as it was over 100 Kilometers from that Airport and the local Airlink carrier would not got that far.

Unable to check in online until the morning of flight. No early baggage check available nor any BA personnel present. Poor customer service.

Boarding process was chaotic. Confusion over Boarding gates: gate 55 or gate 56 ???. Unnecessary standing in long lines to board. Better to call out Boarding groups one at a time and everyone else to sit. Airline only has 2 Boarding groups 1-3 and 4-9. That causes over crowding and chaos

Lady next to me was coughing profusely the entire flight, other lady moved seats because of it, 8 hours of that during an overnight flight is a bit much.

We waited all day on a delayed plane. More than a 6 hour delay which caused us to miss all connections and spend a second full day traveling. Also missed a day of work that i hadn’t planned on.

I liked the air hostesses, but no wifi was available for flight. my original flight was canceled and rebooking was difficult and no reason was given for cancellation. Business class cabin was nice and spacious.

We loved our flight attendant (Emma, from Scotland), the meals were perfectly spaced out, and the in-flight entertainment was super generous and delightful.

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

Information on your arrival and departure airports