HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Sofia

$87+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
ATH — SOF
Oct 25 — Nov 11
Sat 10/25
Sat 11/1
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Athens to Sofia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Saturday 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 September 25, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$143
(Mytrip)

One-way from

$66
(Mytrip)

Popular in

June

Cheapest in

January

Average price

$178

Good round-trip deal

$174 or less

Good one-way deal

$96 or less
Provider with most accurate pricing for Athens Eleftherios V.-Sofia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Athens Eleftherios V.-Sofia flights.
Search Deals
From Athens Eleftherios V. to Sofia
Search Deals
One-way flight from Athens Eleftherios V. to Sofia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Athens Eleftherios V. to Sofia.
Search Deals
Price to beat on a one-way flight from Athens Eleftherios V. to Sofia.
Search Deals

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 September 25, 2025.

This Mytrip deal was found by Cheapflights users on 9/24. 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 10/246:00 pmATH - SOF
Nonstop1h 45mSky Express
Sun 10/269:00 pmSOF - ATH
Nonstop1h 35mSky Express
Deal found 9/24$143
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Wed 10/296:10 pmATH - SOF
Nonstop1h 20mMultiple Airlines
Mon 11/1010:05 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 9/25$144
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/303:20 pmATH - SOF
Nonstop1h 20mMultiple Airlines
Mon 11/1010:05 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 9/25$145
This Trip.com deal was found by Cheapflights users on 9/25. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/285:00 pmATH - SOF
Nonstop1h 15mMultiple Airlines
Mon 11/1010:05 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 9/25$148
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Tue 10/285:00 pmATH - SOF
Nonstop1h 15mMultiple Airlines
Sat 11/83:15 pmSOF - ATH
Nonstop1h 15mMultiple Airlines
Deal found 9/25$149
This CheapOair deal was found by Cheapflights users on 9/24. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/196:00 pmATH - SOF
Nonstop1h 45mSky Express
Fri 12/268:20 pmSOF - ATH
Nonstop1h 35mSky Express
Deal found 9/24$150
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/318:40 pmATH - SOF
Nonstop1h 15mMultiple Airlines
Wed 11/1210:05 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 9/25$153
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Tue 10/285:00 pmATH - SOF
Nonstop1h 15mMultiple Airlines
Wed 11/1210:05 amSOF - ATH
Nonstop1h 35mMultiple Airlines
Deal found 9/25$154
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Mon 10/277:45 amATH - SOF
Nonstop1h 45mSky Express
Fri 11/78:20 pmSOF - ATH
Nonstop1h 35mSky Express
Deal found 9/25$155
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Wed 10/296:10 pmATH - SOF
Nonstop1h 20mMultiple Airlines
Tue 11/1110:45 amSOF - ATH
1 stop10h 35mMultiple Airlines
Deal found 9/25$156
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Wed 10/299:20 amATH - SOF
Nonstop1h 20mMultiple Airlines
Sun 11/912:40 pmSOF - ATH
1 stop5h 40mMultiple Airlines
Deal found 9/25$158
This Mytrip deal was found by Cheapflights users on 9/24. 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 10/246:00 pmATH - SOF
Nonstop1h 45mMultiple Airlines
Sat 10/2510:25 pmSOF - ATH
1 stop12h 10mMultiple Airlines
Deal found 9/24$160

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 September 25, 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.

Thu 2/19

4:30 am-3:30 pm

1 stop11h 00m

Sofia

Mon 2/23

5:00 am-3:05 pm

1 stop10h 05m

$165

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Wed 11/12

4:20 am-3:30 pm

1 stop11h 10m

Sofia

Mon 11/17

4:00 pm-3:40 am

1 stop11h 40m

$165

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Mon 10/27

7:45 am-9:30 am

Nonstop1h 45m

Sofia

Mon 11/10

10:05 am-11:40 am

Nonstop1h 35m

$171

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 10/24

12:15 pm-11:25 am

2 stops23h 10m

Sofia

Sun 10/26

12:40 pm-6:20 pm

1 stop5h 40m

$189

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Fri 10/24

10:20 am-1:10 am

1 stop14h 50m

Sofia

Sat 10/25

10:25 pm-10:35 am

1 stop12h 10m

$190

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Sat 3/14

4:20 am-3:30 pm

1 stop11h 10m

Sofia

Sun 3/15

4:00 pm-3:15 am

1 stop11h 15m

$192

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Thu 11/20

4:30 am-3:00 am

1 stop22h 30m

Sofia

Mon 11/24

4:00 pm-3:40 am

1 stop11h 40m

$193

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Thu 11/13

4:30 am-3:00 am

1 stop22h 30m

Sofia

Mon 11/17

4:00 pm-3:40 am

1 stop11h 40m

$193

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Mon 11/10

4:00 pm-10:10 am

2 stops18h 10m

$87

AthensSofia

ATH - SOF

ATHSOF

Athens Eleftherios V.

Mon 10/6

5:45 am-8:55 am

1 stop27h 10m

$91

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/24

Showing 1-10 of 17 results
1
2

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 September.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*2 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 September 19, 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 $1,181). 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 September 25, 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 evening could potentially save you up to 26% on airfare.

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 September 25, 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
792 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

7.0

Overall

8.1

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
792 reviews
Aegean Airlines
8.1
Very good
792 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

7.0

Overall

8.1

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
120 reviews
Aegean Airlines
8.1
Very good
792 reviews

Boarding

7.8

Comfort

7.9

Food

7.4

Crew

8.6

Entertainment

7.0

Overall

8.1

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 45m 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 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Athens to Sofia?

    Departing from Athens to Sofia will take you 11h. Airlines will cover a distance of 330 mi.

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

    $91 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Bulgaria Air and Aegean Airlines, with prices starting from $95 and $99, respectively.

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

    Consider Etihad Airways (96%), Sky Express (93%) or Qatar Airways (88%) 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 $159 for a flight from Athens to Sofia. The cheapest flight overall is $64 while the most popular route, (Athens Eleftherios V. - Sofia) is currently priced at $113.

  • 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 $1,181). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Sofia by adding a car rental and/or hotel reservation to your travel itinerary.
Sofia car rentals
Sofia Airport car rentals
Plovdiv Airport car rentals

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 September 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Aegean AirlinesCheapest$78Average$170FlexibilityNo cancel feeOn-time87%
Sky ExpressCheapest$94Average$175FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.