$54 Cheap Flights from Athens (ATH) to Sofia (SOF)

View $54 flight on Fri, Mar 13, 2026Opens in a new window

Popular airlines from Athens Intl. Airport (ATH) to Sofia Airport (SOF)

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Cheap Flights from Athens to Sofia (ATH-SOF)

Prices were available within the past 7 days and start at $54 for one-way flights and $102 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sat, Dec 6 - Wed, Dec 10
ATH
Athens
SOF
Sofia
$102 Roundtrip, found 3 days ago
$102
Roundtrip
found 3 days ago
Select Aegean flight, departing Sat, Dec 6 from Athens to Sofia, returning Wed, Dec 10, priced at $102 found 3 days ago
Aegean
Sat, Dec 6 - Wed, Dec 10
ATH
Athens
SOF
Sofia
$104 Roundtrip, found 3 days ago
$104
Roundtrip
found 3 days ago
Select Aegean flight, departing Sat, Dec 6 from Athens to Sofia, returning Wed, Dec 10, priced at $104 found 3 days ago
SKY express
Thu, Jan 8 - Tue, Jan 13
ATH
Athens
SOF
Sofia
$112 Roundtrip, found 3 days ago
$112
Roundtrip
found 3 days ago
Select SKY express flight, departing Thu, Jan 8 from Athens to Sofia, returning Tue, Jan 13, priced at $112 found 3 days ago
SKY express
Wed, Nov 12 - Fri, Nov 14
ATH
Athens
SOF
Sofia
$117 Roundtrip, found 1 day ago
$117
Roundtrip
found 1 day ago
Select SKY express flight, departing Wed, Nov 12 from Athens to Sofia, returning Fri, Nov 14, priced at $117 found 1 day ago
SKY express
Wed, Nov 19 - Fri, Nov 21
ATH
Athens
SOF
Sofia
$118 Roundtrip, found 3 days ago
$118
Roundtrip
found 3 days ago
Select SKY express flight, departing Wed, Nov 19 from Athens to Sofia, returning Fri, Nov 21, priced at $118 found 3 days ago
Aegean
Thu, Jan 8 - Tue, Jan 13
ATH
Athens
SOF
Sofia
$119 Roundtrip, found 3 days ago
$119
Roundtrip
found 3 days ago
Select Aegean flight, departing Thu, Jan 8 from Athens to Sofia, returning Tue, Jan 13, priced at $119 found 3 days ago
Aegean
Sat, Dec 6 - Tue, Dec 9
ATH
Athens
SOF
Sofia
$120 Roundtrip, found 2 days ago
$120
Roundtrip
found 2 days ago
Select Aegean flight, departing Sat, Dec 6 from Athens to Sofia, returning Tue, Dec 9, priced at $120 found 2 days ago
Bulgaria Air
Thu, Apr 2 - Thu, Apr 9
ATH
Athens
SOF
Sofia
$183 Roundtrip, found 4 days ago
$183
Roundtrip
found 4 days ago
Select Bulgaria Air flight, departing Thu, Apr 2 from Athens to Sofia, returning Thu, Apr 9, priced at $183 found 4 days ago
ITA Airways
Wed, Oct 8 - Fri, Oct 17
ATH
Athens
SOF
Sofia
$196 Roundtrip, found 2 days ago
$196
Roundtrip
found 2 days ago
Select ITA Airways flight, departing Wed, Oct 8 from Athens to Sofia, returning Fri, Oct 17, priced at $196 found 2 days ago
Air Serbia
Wed, Nov 19 - Thu, Nov 27
ATH
Athens
SOF
Sofia
$211 Roundtrip, found 7 hours ago
$211
Roundtrip
found 7 hours ago
Select Air Serbia flight, departing Wed, Nov 19 from Athens to Sofia, returning Thu, Nov 27, priced at $211 found 7 hours ago

Find the cheapest month to fly from Athens (ATH) to Sofia (SOF)

January is typically the cheapest month to fly

From $80 - $214 per traveler.

Alternative airports near Sofia

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sofia Airport SOF. Cheapest and Closest option available. Average driving time to city center is 11 minutes. Flights from $280
SOF
Sofia Airport
CheapestClosest
Average driving time to city center11 min
Flights from $280

Frequently asked questions

How much does a flight from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF) cost?
Secure a cheap one-way flight from $54 or cheap return flight from $102 from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
December is the most affordable month to fly from ATH to SOF. Timing your trip outside of the busy season is often the key to finding a great deal.
Which airlines fly direct from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
Take the express route to Sofia Airport (SOF). 3 carriers operate direct flights from Eleftherios Venizelos Airport (ATH), including:

  • Aegean Airlines
  • Sky Express
  • Bulgaria Air

What is the cheapest airline that flies from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
The cheapest airline to offer flights between Eleftherios Venizelos Airport (ATH) and Sofia Airport (SOF) will vary based on your travel dates. Bulgaria Air and Sky Express are just some well-known options offering well-priced fares. Use Expedia's search tool to compare airlines in one place and find the right ATH to SOF flight for your budget.
How many flights per day from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
Each day, an average of 2 direct flights operate from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF). Pick the departure time that best suits your travel plans.
What are the most popular departure times for flights from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
More travelers fly between ATH and SOF at 6 PM than at any other point in the day. Rather go when it's quieter? Pick a flight outside the busiest times and it's possible you'll save on your ticket as well.
What day of the week has the most flights from ATH to SOF?
If you fly on a Friday, you'll get the biggest range of choices for flights from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF).
What is the earliest flight from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
Eleftherios Venizelos Airport (ATH)'s earliest flight to Sofia Airport (SOF) departs at approximately 7:45AM UTC+2. With a total journey time of 1h 45m, you'll arrive at around 9:30AM UTC+2.
How long does it take to fly from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
The average flight duration from ATH to SOF is 1 hour and 26 minutes, covering a distance of 330 mi.
What is the best time to fly from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
To avoid potential delays on the Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Sofia from Eleftherios Venizelos Airport (ATH)?
Sofia Airport (SOF) is the only airport in Sofia with direct flights from Eleftherios Venizelos Airport (ATH). Consider the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF) last-minute?
Booking your flight from ATH to SOF just before your trip is generally more expensive. However, if you're flexible with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book an ATH to SOF flight and hotel package?
Compared with arranging hotels and flights separately, booking an ATH to SOF flight and hotel package with Expedia could result in significant savings. What's more, having everything in one convenient place will take the hassle out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Eleftherios Venizelos Airport (ATH) to Sofia Airport (SOF)?
In most instances, you're able to reschedule or cancel your ATH to SOF flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need further information, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Eleftherios Venizelos
Destination airport
Sofia
Airlines serving
Aegean, Air Serbia, Austrian Airlines, Bulgaria Air, ITA Airways, LOT-Polish Airlines, Lufthansa, SKY express, Swiss International Air Lines, Tarom-Romanian Air Transport, Turkish Airlines
Roundtrip price
$102
Distance
329 mi
Average flight time
1 hour 22 mins

Book with confidence

Book with confidence

Athens to Sofia Flights

The cheapest times to fly from Athens to Sofia

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Athens to Sofia are during the month of December. You can find some of the cheapest flights from Athens to Sofia with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Athens to Sofia

Sunday is one of the best days to book for cheap flights from Athens to Sofia: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Athens to Sofia

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Athens to Sofia in 2025. You can also book with separate airlines for your outbound and return journeys, from $54 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Athens to Sofia flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Athens to Sofia airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Athens to Sofia Flights

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