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$81+ Cheap flights from Athens (ATH) 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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — SOF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Athens Eleftherios V. to Sofia are usually found in January or November, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Athens to Sofia

Discover tips and strategies to find the most affordable flight options for your journey from Athens (ATH) 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 August 14, 2025.

Round-trip from

$109
(Mytrip)

One-way from

$81
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$168

Good round-trip deal

$185 or less

Good one-way deal

$94 or less
From Athens Eleftherios V. to Sofia
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One-way flight from Athens Eleftherios V. to Sofia
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Highest demand for flights based on searches. 5% potential increase in price ($8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Athens Eleftherios V. to Sofia.
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Price to beat on a one-way flight from Athens Eleftherios V. to Sofia.
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Find flight deals from Athens to Sofia

Cheapest flights from Athens to Sofia
Explore the most affordable flight options available from Athens to Sofia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. 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.
Fri 10/36:00 pmATH - SOF
Nonstop1h 45mSky Express
Mon 10/69:35 amSOF - ATH
Nonstop1h 35mSky Express
Deal found 8/13$109
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Fri 10/36:00 pmATH - SOF
Nonstop1h 45mSky Express
Sun 10/58:20 pmSOF - ATH
Nonstop1h 35mSky Express
Deal found 8/14$119
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Fri 10/38:15 pmATH - SOF
1 stop15h 10mMultiple Airlines
Mon 10/69:35 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 8/13$120
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Fri 10/311:00 pmATH - SOF
1 stop12h 25mMultiple Airlines
Sun 10/58:20 pmSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 8/14$125
This Kiwi.com deal was found by Cheapflights users on 8/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/165:50 amATH - SOF
1 stop5h 35mMultiple Airlines
Mon 10/209:35 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 8/12$136
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Fri 9/266:00 pmATH - SOF
Nonstop1h 45mSky Express
Fri 10/38:20 pmSOF - ATH
Nonstop1h 35mSky Express
Deal found 8/12$137
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Sun 9/288:40 amATH - SOF
Nonstop1h 15mMultiple Airlines
Sun 10/58:20 pmSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 8/14$138
This Mytrip deal was found by Cheapflights users on 8/14. 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.
Wed 8/277:15 amATH - SOF
Nonstop1h 45mSky Express
Sun 8/318:20 pmSOF - ATH
Nonstop1h 35mSky Express
Deal found 8/14$141
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Fri 8/226:00 pmATH - SOF
Nonstop1h 45mMultiple Airlines
Tue 8/264:25 pmSOF - ATH
Nonstop1h 15mMultiple Airlines
Deal found 8/13$142
This Mytrip deal was found by Cheapflights users on 8/13. 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.
Fri 8/226:00 pmATH - SOF
Nonstop1h 45mSky Express
Mon 8/259:35 amSOF - ATH
Nonstop1h 35mSky Express
Deal found 8/13$150

Cheapflights Fare Finder

 
Customize your flight search to find flights from Athens 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 August 14, 2025.
Use the filters below to find and compare flights from Athens to Sofia that are best for you.

Fly from

Athens

Fly to

Sofia

Route

Depart

Return

Price

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 10/3

6:00 pm-7:45 pm

Nonstop1h 45m

Sofia

Mon 10/6

9:35 am-11:10 am

Nonstop1h 35m

$109

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 10/3

6:00 pm-7:45 pm

Nonstop1h 45m

Sofia

Sun 10/5

8:20 pm-9:55 pm

Nonstop1h 35m

$119

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 10/3

8:15 pm-11:25 am

1 stop15h 10m

Sofia

Mon 10/6

9:35 am-11:10 am

Nonstop1h 35m

$120

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 10/3

11:00 pm-11:25 am

1 stop12h 25m

Sofia

Sun 10/5

8:20 pm-9:55 pm

Nonstop1h 35m

$125

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Thu 10/16

5:50 am-11:25 am

1 stop5h 35m

Sofia

Mon 10/20

9:35 am-11:10 am

Nonstop1h 35m

$136

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 9/26

6:00 pm-7:45 pm

Nonstop1h 45m

Sofia

Fri 10/3

8:20 pm-9:55 pm

Nonstop1h 35m

$137

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Sun 9/28

8:40 am-9:55 am

Nonstop1h 15m

Sofia

Sun 10/5

8:20 pm-9:55 pm

Nonstop1h 35m

$138

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Wed 8/27

7:15 am-9:00 am

Nonstop1h 45m

Sofia

Sun 8/31

8:20 pm-9:55 pm

Nonstop1h 35m

$141

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Mon 9/1

7:15 am-9:00 am

Nonstop1h 45m

Sofia

Fri 9/12

8:20 pm-9:55 pm

Nonstop1h 35m

$151

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Sun 10/5

9:30 pm-11:30 am

1 stop14h 00m

$81

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 20 results
1
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Best time to book a flight from Athens to Sofia

Have a flexible travel schedule? Discover the best time to fly to Sofia from Athens 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 Athens to Sofia

How far ahead should I book a flight from Athens to Sofia?

Use this chart to determine the optimal time to book a round-trip flight from Athens to Sofia. Price data was last updated on August 8, 2025.

The best time to book flights from Athens to Sofia is 46 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 Athens to Sofia?

Currently, November is the cheapest month in which you can book a flight from Athens to Sofia (average of $632). Flying from Athens to Sofia in June is currently the most expensive (average of $1,186). 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 ATH to SOF?

Find hourly flight availability from Athens 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 August 14, 2025.

One of the essential ways to save on airfare from Athens to Sofia is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the morning could potentially save you up to 27% on airfare.

How much does it cost to fly round-trip from Athens to Sofia?

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 August 14, 2025.
Read reviews from past customers who have flown Aegean Airlines and Sky Express from Athens to Sofia. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aegean Airlines
8.1
Very good
782 reviews

Boarding

7.8

Overall

8.1

Entertainment

7.0

Comfort

7.9

Crew

8.6

Food

7.4

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
8.1
Very good
782 reviews
Aegean Airlines
8.1
Very good
782 reviews

Boarding

7.8

Overall

8.1

Entertainment

7.0

Comfort

7.9

Crew

8.6

Food

7.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you
Sky Express
7.5
Good
116 reviews
Aegean Airlines
8.1
Very good
782 reviews

Boarding

7.8

Overall

8.1

Entertainment

7.0

Comfort

7.9

Crew

8.6

Food

7.4

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 Athens to Sofia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Athens to Sofia?

    Sofia is the airport most travelers will use when flying to Sofia from Athens Eleftherios V.. Booking flights from Eleftherios V. (ATH) to Sofia (SOF) should be relatively easy as there are 3 daily flights to Sofia from 2 different airlines. 1h 15m is how long a flight from Athens to Sofia will take if you book a nonstop flight.

  • How popular is this Athens to Sofia flight route?

    The Athens Eleftherios V. to Sofia flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Athens to Sofia round-trip?

    Flying on Aegean Airlines is currently your cheapest option to Sofia, with prices starting at $78. Another option worth looking into is Sky Express, starting at $94 round trip. Users have found that Aegean Airlines is 49% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Athens to Sofia?

    Consider Etihad Airways (100%), Sky Express (83%) or Qatar Airways (65%) when booking your flight. These represent the most reliable airlines when flying from Athens to Sofia.

  • What are the cheapest flights from Athens to Sofia?

    On average you can expect to pay $155 for a flight from Athens to Sofia. The cheapest flight overall is $71 while the most popular route, (Athens Eleftherios V. - Sofia) is currently priced at $144.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Athens 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 Athens to Sofia?

    Currently, November is the cheapest month in which you can book a flight from Athens to Sofia (average of $632). Flying from Athens to Sofia in June is currently the most expensive (average of $1,186). 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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Complete your trip

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Top 2 airlines flying from Athens to Sofia

Discover the top 2 airlines that operate flights from Athens 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aegean AirlinesCheapest$78Average$168FlexibilityNo cancel feeOn-time87%
Sky ExpressCheapest$94Average$172FlexibilityNo cancel feeOn-timeN/A

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