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Sofia

Cheap flights from Athens (ATH) to Sofia (SOF) - Compare and Save

ATH — SOF
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
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Cheapflights Tip: The best prices from Athens Eleftherios V. to Sofia are usually found in February or November, booked 54 days in advance, depart on a Saturday or Wednesday and return on a Thursday

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 April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$111
(Booking.com)

One-way from

$61
(Mytrip)

Popular in

April

Cheapest in

February

Average price

$184

Good one-way deal

$90 or less
Provider with most accurate pricing for Athens Eleftherios V.-Sofia flight deals.
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Provider most trusted by Cheapflights users for Athens Eleftherios V.-Sofia flights.
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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. 1% potential increase in price ($1 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 April 2026
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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 April 3, 2026.

This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/226:15 pm
ATH
-
SOF
Nonstop1h 45m
Multiple Airlines
Mon 5/259:20 pm
SOF
-
ATH
Nonstop1h 15m
Multiple Airlines
Deal found 4/1$111
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:50 am
ATH
-
SOF
Nonstop1h 15m
Multiple Airlines
Mon 5/185:00 pm
SOF
-
ATH
1 stop6h 05m
Multiple Airlines
Deal found 4/2$115
This Booking.com deal was found by Cheapflights users on 4/2. 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.
Fri 5/158:50 am
ATH
-
SOF
Nonstop1h 15m
Aegean Airlines
Mon 5/189:30 pm
SOF
-
ATH
Nonstop1h 15m
Aegean Airlines
Deal found 4/2$116
This Mytrip deal was found by Cheapflights users on 4/2. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:50 am
ATH
-
SOF
Nonstop1h 15m
Multiple Airlines
Mon 5/183:45 pm
SOF
-
ATH
2 stops17h 30m
Multiple Airlines
Deal found 4/2$117
This Booking.com deal was found by Cheapflights users on 4/2. 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.
Fri 5/228:50 am
ATH
-
SOF
Nonstop1h 15m
Aegean Airlines
Mon 5/259:20 pm
SOF
-
ATH
Nonstop1h 15m
Aegean Airlines
Deal found 4/2$127
This Booking.com deal was found by Cheapflights users on 3/30. 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.
Fri 5/156:15 pm
ATH
-
SOF
Nonstop1h 45m
Sky Express
Sun 5/178:20 pm
SOF
-
ATH
Nonstop1h 35m
Sky Express
Deal found 3/30$133
This Kiwi.com deal was found by Cheapflights users on 3/29. 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.
Fri 5/156:15 pm
ATH
-
SOF
Nonstop1h 45m
Multiple Airlines
Mon 5/185:00 pm
SOF
-
ATH
1 stop6h 05m
Multiple Airlines
Deal found 3/29$134
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Fri 5/157:25 pm
ATH
-
SOF
Nonstop1h 15m
Multiple Airlines
Mon 5/185:00 pm
SOF
-
ATH
1 stop6h 05m
Multiple Airlines
Deal found 3/31$135
This Booking.com deal was found by Cheapflights users on 4/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/168:50 am
ATH
-
SOF
Nonstop1h 15m
Multiple Airlines
Fri 6/198:35 pm
SOF
-
ATH
Nonstop1h 35m
Multiple Airlines
Deal found 4/1$138
This Mytrip deal was found by Cheapflights users on 3/31. 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 4/286:35 pm
ATH
-
SOF
Nonstop1h 15m
Multiple Airlines
Tue 5/55:00 pm
SOF
-
ATH
1 stop6h 00m
Multiple Airlines
Deal found 3/31$143
This Aegean Airlines deal was found by Cheapflights users on 3/30. 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 Aegean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/158:50 am
ATH
-
SOF
Nonstop1h 15m
Aegean Airlines
Mon 5/189:30 pm
SOF
-
ATH
Nonstop1h 15m
Aegean Airlines
Deal found 3/30$144
This Booking.com deal was found by Cheapflights users on 3/29. 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.
Fri 5/156:15 pm
ATH
-
SOF
Nonstop1h 45m
Sky Express
Mon 5/189:35 am
SOF
-
ATH
Nonstop1h 35m
Sky Express
Deal found 3/29$145

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 April 3, 2026.
Use the filters below to find and compare flights from Athens to Sofia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

6:15 pm-8:00 pm

Nonstop1h 45m

Sofia

Mon 5/18

5:00 pm-11:05 pm

1 stop6h 05m

$134
Quickest round-trip

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 6/19

5:40 pm-6:55 pm

Nonstop1h 15m

Sofia

Thu 6/25

9:35 am-11:10 am

Nonstop1h 35m

$159

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Thu 5/14

6:35 pm-7:50 pm

Nonstop1h 15m

Sofia

Thu 5/21

9:35 am-11:10 am

Nonstop1h 35m

$159

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

8:50 am-10:05 am

Nonstop1h 15m

Sofia

Mon 5/18

11:45 am-8:45 pm

2 stops9h 00m

$165

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

9:35 am-3:35 pm

1 stop6h 00m

Sofia

Mon 5/18

5:00 am-9:35 am

1 stop4h 35m

$182

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

9:20 pm-3:00 am

1 stop5h 40m

Sofia

Mon 5/18

4:05 pm-3:20 am

1 stop11h 15m

$186

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

4:30 am-3:00 am

1 stop22h 30m

Sofia

Mon 5/18

4:05 pm-3:20 am

1 stop11h 15m

$186

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Sun 6/28

4:30 am-3:35 pm

1 stop11h 05m

Sofia

Sat 7/4

4:05 pm-3:20 am

1 stop11h 15m

$187

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

9:20 pm-3:00 am

1 stop5h 40m

Sofia

Mon 5/18

4:05 pm-3:20 am

1 stop11h 15m

$187

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 5/15

4:30 am-3:00 am

1 stop22h 30m

Sofia

Mon 5/18

4:05 pm-3:20 am

1 stop11h 15m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/29

Showing 1-10 of 24 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Athens to Sofia

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Athens to Sofia in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Athens-Sofia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Athens-Sofia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Athens-Sofia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Athens-Sofia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Athens-Sofia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 April 2, 2026.

The best time to book flights from Athens to Sofia is 53 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 $43). Flying from Athens to Sofia in July is currently the most expensive (average of $120). 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 April 3, 2026.

One of the essential ways to save on airfare from Athens to Sofia is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 5% 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 April 3, 2026.
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
861 reviews

Food

7.3

Comfort

7.8

Overall

8.1

Entertainment

6.9

Boarding

7.8

Crew

8.6

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable
Aegean Airlines
8.1
Very good
861 reviews
Aegean Airlines
8.1
Very good
861 reviews

Food

7.3

Comfort

7.8

Overall

8.1

Entertainment

6.9

Boarding

7.8

Crew

8.6

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable
Sky Express
7.6
Good
121 reviews
Aegean Airlines
8.1
Very good
861 reviews

Food

7.3

Comfort

7.8

Overall

8.1

Entertainment

6.9

Boarding

7.8

Crew

8.6

Reviews

1 / 20
10.0
Excellent

mandy,Dec 2025

ATH - RIX

You get what you pay for! No food or entertainment but seats were comfortable

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 2 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 Sky Express is currently your cheapest option to Sofia, with prices starting at $85. Another option worth looking into is Aegean Airlines, starting at $91 round trip. Users have found that Sky Express is 46% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Athens to Sofia one-way?

    $52 is the cheapest one-way deal found within the past few days, from Sky Express. You may also be able to find cheap deals on Aegean Airlines and Bulgaria Air, with prices starting from $65 and $80, respectively.

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

    Consider airBaltic (100%), IndiGo (100%) or Aegean Airlines (95%) 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 $99 for a flight from Athens to Sofia. The cheapest flight overall is $75 while the most popular route, (Athens Eleftherios V. - Sofia) is currently priced at $135.

  • 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 $43). Flying from Athens to Sofia in July is currently the most expensive (average of $120). 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

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
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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 April 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sky ExpressCheapest$85Average$180FlexibilityNo cancel feeOn-timeN/A
Aegean AirlinesCheapest$91Average$178FlexibilityNo cancel feeOn-time87%

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