The cheapest times to fly from FRA to SOF are

  • January 1st to July 15th (except the weeks of April 9th and May 14th)
  • September 17th to October 7th (except the week of September 24th)
  • November 26th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from FRA to SOF is early to mid July. Prices can be as high as $237 for Saturday flights during early to mid August, or as low as $97 for Thursday flights around early to mid July.


When to Fly to Sofia

Flying from Frankfurt (FRA) to Sofia (SOF) will usually cost between $97 to $184 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early to mid July with an average ticket price of $97. Due to high demand the most expensive time to fly is early to mid August, with an average price of $197. Planning your trip to low-cost times can easily save you $100 on economy flights and even more on first-class flights. Generally, any price below $99 can be considered a good price for a round-trip FRA to SOF flight.

See below for a graph of average weekly prices for the FRA to SOF route. All prices are for round-trip tickets in USD.

FRA to SOF Flight Prices

Compared to other flights, the FRA to SOF flight is much cheaper than the average and costs much less than the average flight leaving from Frankfurt. The average price per mile (for a direct flight) is $0.07, which is far below average.


Flight Prices by Day of the Week

Thursday is usually the cheapest day to fly to SOF, and Wednesday the cheapest day to fly back into FRA. Saturdays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $18 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Thursday and returning a week later will cost an average of $107. Return trip prices are from the SOF to FRA flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from FRA to SOF can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 2 hour 33 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from FRA to SOF? We’ve got answers.

Which airlines fly this route?

You can find 23 major airlines flying this route most often: Adria, Aegean, Aeroflot, Air France, Air Serbia, Alitalia, Austrian, British Airways, Bulgaria Air, CSA, El Al, Iberia, KLM, LOT, Lufthansa, Montenegro Airlines, SAS, SWISS, Tap Air Portugal, TAROM, Turkish Airlines, Ukraine International, Wizz Air, and potentially more during busy seasons.

How far away is it from Sofia Airport to Frankfurt Main Airport?

The distance between the two airports is roughly 868 miles or 1397 kilometers.

How long does it take to fly from FRA to SOF?

The real-world flight time for a nonstop FRA to SOF flight is about 2 hour 33 minutes.

How many flights go between Frankfurt and Sofia?

It depends on the day of the week and the date, but a typical day might have around 67 available flights from FRA to SOF.


Airport Location Info


Departing Airport

Origination codeFRA
Origination airport nameFrankfurt Main Airport

Return Airport

Destination codeSOF
Destination airport nameSofia Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.