SOF - FRA

Find Cheap Flights from Sofia to Frankfurt am Main

1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Frankfurt am Main Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sofia to Frankfurt am Main, 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 Frankfurt am Main, as well as popular online travel agencies
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Everything you should know

Cheapest return fare
Multiple Airlines
Tue 27/1
SOF - FRA • multi-stop
Cheapest one-way flight
Multiple Airlines
Tue 27/1
SOF - FRA • multi-stop
Our travellers' advice
AI-powered summary based on content written by travel experts. AI can make mistakes.
Lufthansa's Economy Light offers savings without checked bags.
United's Economy Plus gives up to six inches more legroom.
Expert advice
Expert advice
Expert advice
Expert advice
When to book
6 weeks
in advance
Our data shows that travellers who book at least 6 weeks in advance save around 47% compared to booking last minute.
Insights
Insights
Insights
Insights
When to travel
March
Cheapest • 16% price drop
October
Most popular
Good to know
Good to know
+1
+1
Good to know
Good to know
+1
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KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you love your trip to Frankfurt am Main!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Sofia to Frankfurt am Main (SOF-FRA)

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

Multiple Airlines Logo
SOF
-
FRA
868 mimulti-stop
Multiple Airlines Logo
FRA
-
SOF
868 mimulti-stop
Multiple Airlines
Booking Insights

KAYAK's insights & trends for Sofia to Frankfurt am Main flights

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

What’s the cheapest day of the week to fly from Sofia to Frankfurt am Main?

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

If you are looking for a flight deal from Sofia to Frankfurt am Main, look for departures on Fridays and avoid leaving on a Thursday, as it's usually the priciest day. When flying back from Frankfurt am Main, Sunday is the cheapest day to fly and Friday is the most expensive.

What is the cheapest month to fly from Sofia to Frankfurt am Main Airport?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Sofia to Frankfurt am Main 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 Frankfurt am Main Airport is March, where tickets cost £129 (return) on average. On the other hand, the most expensive months are December and February, where the average cost of round-trip tickets is £178 and £178 respectively.

How far in advance should I book a flight from Sofia to Frankfurt am Main Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Sofia to Frankfurt am Main Airport, 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 Sofia to Frankfurt am Main Airport, you should book around 6 weeks before departure, which saves you about 47% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 20 weeks before departure.

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Expert advice

Expert advice for your flight from Sofia to Frankfurt am Main

 
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
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or out at sea, likely en route to Antarctica or the Arctic.

Read more
Jessica Macdonald

Jessica Macdonald

Expert on Lufthansa

Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has travelled to more than 50 countries across six continents.

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Good to know - Cheap tickets from Sofia to Frankfurt am Main

Low seasonApril
Best time to beat the crowds (2% less expensive on average)
Most popular time to fly and prices are also 12% lower on average.

When to book flights from Sofia to Frankfurt am Main

Are your dates flexible? Find out the best times to travel from Sofia to Frankfurt am Main 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 Frankfurt am Main flights

  • Which airlines offer Wi-Fi service onboard planes from Sofia to Frankfurt am Main?

    American Airlines, Emirates, and flydubai offer inflight Wi-Fi service on the Sofia to Frankfurt am Main flight route.

  • Which aircraft models fly most regularly from Sofia to Frankfurt am Main?

    The Airbus A320 (sharklets) is the aircraft model that flies most regularly on the Sofia to Frankfurt am Main flight route.

  • Which airline alliances offer flights from Sofia to Frankfurt am Main?

    Star Alliance is the only airline alliance operating flights between Sofia and Frankfurt am Main.

  • On which days can I fly direct from Sofia to Frankfurt am Main?

    There are direct flights from Sofia to Frankfurt am Main on a daily basis.

  • How does KAYAK find such low prices on flights from Sofia to Frankfurt am Main?

    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 Frankfurt am Main.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sofia to Frankfurt am Main?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Frankfurt am Main 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 Frankfurt am Main?

    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 Frankfurt am Main 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 Frankfurt am Main?

    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 Frankfurt am Main 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 Frankfurt am Main Airport

  • Looking for a cheap flight from Frankfurt am Main to Sofia? 25% of our users found flights on this route for £120 or less one-way and £99 or less round-trip.

Prefer to fly direct from Sofia to Frankfurt am Main?

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

Direct departures

Sofia to Frankfurt am Main

Monday

Bulgaria Air, Lufthansa

Bulgaria Air, Lufthansa

Tuesday

Lufthansa

Lufthansa

Wednesday

Bulgaria Air, Lufthansa

Bulgaria Air, Lufthansa

Thursday

Lufthansa

Lufthansa

Friday

Bulgaria Air, Lufthansa

Bulgaria Air, Lufthansa

Saturday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

Direct returns

Frankfurt am Main to Sofia

Monday

Bulgaria Air, Lufthansa

Bulgaria Air, Lufthansa

Tuesday

Lufthansa

Lufthansa

Wednesday

Bulgaria Air, Lufthansa

Bulgaria Air, Lufthansa

Thursday

Lufthansa

Lufthansa

Friday

Bulgaria Air, Lufthansa

Bulgaria Air, Lufthansa

Saturday

Lufthansa

Lufthansa

Sunday

Lufthansa

Lufthansa

See more direct flights

Reviews of the top airline flying from Sofia to Frankfurt am Main

 
See real verified KAYAK customer reviews for airlines flying from Sofia to Frankfurt am Main. 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 Frankfurt am Main? 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.
6.8
LufthansaOverall score based on 7749 reviews
6.8Comfort
7.6Crew
6.3Food
7.0Boarding
6.4Entertainment
Airline reviews

Missed it by a couple minutes and couldn’t find an alternative flight so had to spend the night in DC and after much shuffling from 1 airline to another managed to get a United to Frankfurt.

2.0 MediocreAnonymous, Jan 2026
IAD - FRA
Read more Lufthansa reviews

Missed it by a couple minutes and couldn’t find an alternative flight so had to spend the night in DC and after much shuffling from 1 airline to another managed to get a United to Frankfurt.

I ordered Hindu meal and expecting a vegetarian food. Instead I got Chicken. Also entertainment system was so bad and slow I was never able to use it

There were only 2 toilets and one of them did not work in business class. We are not allowed to cross classes so had to wait in line to use the toilets!! The entertainment touch display was finicky and did not work all the time.

Layover time was not sufficient as the gate was too far, I had to literally run and was out of my breath. This was main drawback. The crew was wonderful and so is their service. I loved interacting with them.

They didn’t have my special meal I requested. It seemed like they just put a sticker on a veg meal for me. I had a little bit of it but it didn’t taste good and I got sick from eating it by the time I boarded my Frankfurt to NY flight

I tried both on line and by calling the Customer Service line to arrange for a special meal as i have food intolerances. I was under the impression from your service representative that I was successful. I was not. I cannot eat spicy foods and get very ill if i eat bell peppers. I could not eat either menu choice and no special meal was actually ordered. ( your representative tried to order it for a flight that did not have meal service!!! - found this out later). Your wonderful cabin crew managed to put together a fruit, salad, roll and cheese tray for me so I had something to eat. WHY WOULD YOU SERVE SPICY FOOD, WITH NO MILDER OPTION,ON AN INTERNATIONAL FLIGHT???

boarding and flight very smooth. Crew very friendly and efficiant. Everything worked well

Flight attendant was very rude helping me out. Food was discussing did not eat any of it.

Crew was professional and great, flight was clean. However food was pathetic. I ordered a Hindu meal assuming no meat but they served chicken. Need to be very specific- Hindu meal should be categorize as Vegetarian - no meat or egg. Or it should be specific that we are serving meat.

Late flight Delays Poor service Poor staff Worst airline ever

Everything you need to know for your flight from Sofia to Frankfurt am Main

Information on your arrival and departure airports

Sofia (SOF)
Frankfurt (FRA)