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$115+ Cheap flights from Frankfurt (FRA) to Sofia (SOF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
FRA — SOF
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheapflights Tip: The best prices from Frankfurt am Main to Sofia are usually found in March or February, booked 89 days in advance, depart on a Sunday or Thursday and return on a Tuesday

Cheap flight deals from Frankfurt to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Frankfurt (FRA) to Sofia (SOF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 3, 2025.

Round-trip from

$161
(Lufthansa)

One-way from

$115
(Air Serbia)

Popular in

July

Cheapest in

March

Average price

$289

Good round-trip deal

$228 or less

Good one-way deal

$152 or less
From Frankfurt am Main to Sofia
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One-way flight from Frankfurt am Main to Sofia
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Highest demand for flights based on searches. 15% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Frankfurt am Main to Sofia.
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Price to beat on a one-way flight from Frankfurt am Main to Sofia.
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Find flight deals from Frankfurt to Sofia

Cheapest flights from Frankfurt to Sofia
Explore the most affordable flight options available from Frankfurt to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This Lufthansa deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/128:05 amFRA - SOF
Nonstop2h 10mLufthansa
Wed 9/246:15 amSOF - FRA
Nonstop2h 30mLufthansa
Deal found 7/1$161
This Air Serbia deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Serbia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:20 pmFRA - SOF
1 stop18h 15mAir Serbia
Thu 10/165:00 amSOF - FRA
1 stop5h 00mAir Serbia
Deal found 7/3$170
This Mytrip deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/197:40 pmFRA - SOF
Nonstop2h 10mMultiple Airlines
Tue 8/266:55 pmSOF - FRA
1 stop3h 50mMultiple Airlines
Deal found 7/3$195
This Austrian Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/228:20 amFRA - SOF
1 stop14h 35mAustrian Airlines
Tue 8/266:55 pmSOF - FRA
1 stop3h 50mAustrian Airlines
Deal found 7/3$236
This SmartFares deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2712:45 pmFRA - SOF
Nonstop2h 20mBulgaria Air
Fri 10/3111:45 amSOF - FRA
Nonstop2h 30mBulgaria Air
Deal found 7/3$238
This SWISS deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:10 amFRA - SOF
2 stops24h 55mSWISS
Mon 10/273:00 pmSOF - FRA
1 stop5h 55mSWISS
Deal found 7/2$260
This Booking.com deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/177:20 amFRA - SOF
1 stop17h 40mLOT
Wed 7/235:20 amSOF - FRA
1 stop18h 20mLOT
Deal found 7/2$270

Cheapflights Fare Finder

Customize your flight search to find flights from Frankfurt to Sofia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
Use the filters below to find and compare flights from Frankfurt am Main Airport to Sofia that are best for you.

Fly from

Frankfurt

Fly to

Sofia

Route

Depart

Return

Price

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Fri 9/12

8:05 am-11:15 am

Nonstop2h 10m

Sofia

Wed 9/24

6:15 am-7:45 am

Nonstop2h 30m

$161

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Mon 10/13

8:20 pm-3:35 pm

1 stop18h 15m

Sofia

Thu 10/16

5:00 am-9:00 am

1 stop5h 00m

$170

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Tue 8/19

7:40 pm-10:50 pm

Nonstop2h 10m

Sofia

Tue 8/26

6:55 pm-9:45 pm

1 stop3h 50m

$195

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Fri 8/22

8:20 am-11:55 pm

1 stop14h 35m

Sofia

Tue 8/26

6:55 pm-9:45 pm

1 stop3h 50m

$236

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Mon 10/27

12:45 pm-4:05 pm

Nonstop2h 20m

Sofia

Fri 10/31

11:45 am-1:15 pm

Nonstop2h 30m

$238

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Fri 10/24

8:10 am-10:05 am

2 stops24h 55m

Sofia

Mon 10/27

3:00 pm-7:55 pm

1 stop5h 55m

$260

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Thu 7/17

7:20 am-2:00 am

1 stop17h 40m

Sofia

Wed 7/23

5:20 am-10:40 pm

1 stop18h 20m

$270

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Mon 8/18

8:20 pm-3:35 pm

1 stop18h 15m

$115

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Thu 9/11

10:05 am-1:15 pm

Nonstop2h 10m

$123

Frankfurt am MainSofia

FRA - SOF

FRASOF

Frankfurt am Main

Sun 9/21

7:50 pm-2:00 am

1 stop5h 10m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 15 results
1
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Best time to book a flight from Frankfurt to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Frankfurt with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Frankfurt to Sofia. Price data was last updated on June 27, 2025.

The best time to book flights from Frankfurt am Main Airport to Sofia is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Frankfurt am Main Airport to Sofia?

Currently, November is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Sofia (average of $632). Flying from Frankfurt am Main Airport to Sofia in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from FRA to SOF?

Find hourly flight availability from Frankfurt to Sofia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

When flying from Frankfurt am Main Airport to Sofia, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 6% versus a flight in the afternoon.

Weekly flight availability from Frankfurt am Main Airport to Sofia

Explore weekly flight availability from Frankfurt to Sofia. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2025.

The most flights from FRA to SOF are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Reviews of airlines servicing Sofia

Get insights into the airlines that provide service to Sofia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sofia. Reviews last updated July 3, 2025.
Peruse reviews from past customers who have flown with Aegean Airlines, LOT, and Austrian Airlines from Frankfurt am Main Airport to Sofia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.2
Very good
761 reviews

Comfort

7.8

Food

7.4

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Aegean Airlines
8.2
Very good
761 reviews
Aegean Airlines
8.2
Very good
761 reviews

Comfort

7.8

Food

7.4

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
LOT
7.6
Good
1,092 reviews
Aegean Airlines
8.2
Very good
761 reviews

Comfort

7.8

Food

7.4

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Austrian Airlines
7.6
Good
809 reviews
Aegean Airlines
8.2
Very good
761 reviews

Comfort

7.8

Food

7.4

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
SWISS
7.5
Good
1,654 reviews
Aegean Airlines
8.2
Very good
761 reviews

Comfort

7.8

Food

7.4

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Lufthansa
6.8
Okay
7,207 reviews
Aegean Airlines
8.2
Very good
761 reviews

Comfort

7.8

Food

7.4

Overall

8.2

Crew

8.6

Entertainment

7.0

Boarding

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Related info for your journey

Find useful and relevant information for your journey from Frankfurt to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sofia from Frankfurt am Main?

    Most people fly into Sofia (SOF) if they book a flight to Sofia from Frankfurt am Main. On average, Sofia has 11 inbound flights from Frankfurt am Main per day from 4 airlines. Sofia is conveniently located just 4.2 mi from Sofia’s city center.

  • What are the cheapest airlines flying from Frankfurt am Main Airport to Sofia round-trip?

    According to our current data, Lufthansa ($161), Air Serbia ($170), and Austrian Airlines ($236) offers the cheapest pricing from Frankfurt am Main Airport to Sofia. Lufthansa is 28% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Frankfurt am Main Airport to Sofia one-way?

    One-way options have recently been found by users for as low as $115 on Air Serbia. Other airlines that offer cheap prices include Lufthansa from $123 and LOT from $152 one-way.

  • What are the most reliable airlines from Frankfurt am Main Airport to Sofia?

    No one likes to see their flight delayed. When booking a flight from Frankfurt am Main Airport to Sofia consider choosing Ethiopian Air (93%), ANA (85%) or Qatar Airways (79%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Frankfurt am Main Airport to Sofia?

    Looking at all options, your cheapest flight can be booked for $147. While the most popular route (Frankfurt am Main - Sofia) can be booked for $153 on average our data indicates $221 when flying from Frankfurt am Main Airport to Sofia.

  • Can I find deals for flights from Frankfurt to Sofia that include hotel bookings?

    Yes. In addition to deals on Frankfurt to Sofia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Frankfurt to Sofia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Frankfurt to Sofia.

  • Can I find deals for business class flights from Frankfurt to Sofia?

    Yes. Cheapflights offers flight deals from Frankfurt to Sofia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Frankfurt am Main Airport to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Frankfurt am Main Airport to Sofia (average of $632). Flying from Frankfurt am Main Airport to Sofia in June is currently the most expensive (average of $1,189). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Frankfurt to Sofia

Discover the top 4 airlines that operate flights from Frankfurt to Sofia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest$15Average$68FlexibilityNo cancel feeOn-timeN/A
Wizz AirCheapest$63Average$160FlexibilityNo cancel feeOn-time83%
LufthansaCheapest$158Average$256FlexibilityNo cancel feeOn-time76%
Bulgaria AirCheapest$182Average$264FlexibilityNo cancel feeOn-time73%

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