Cheap flights from Athens International to Sofia

Compare Athens International to Sofia flight deals

Find the cheapest month or even day of the year to fly to Sofia

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Flight deals from Athens International to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Athens International to Sofia? Find the lowest prices on one-way and round-trip tickets right here.

Sofia.C$127 per passenger.Departing Sun, Jan 25, returning Sun, Feb 8.Round-trip flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Sun, Jan 25, arriving in Sofia.Inbound direct flight with Aegean Airlines departing from Sofia on Sun, Feb 8, arriving in Athens International.Price includes taxes and charges.From C$127, select.

Sofia.C$127 per passenger.Departing Tue, Nov 4, returning Sat, Nov 8.Round-trip flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Tue, Nov 4, arriving in Sofia.Inbound direct flight with Aegean Airlines departing from Sofia on Sat, Nov 8, arriving in Athens International.Price includes taxes and charges.From C$127, select.

Sofia.C$127 per passenger.Departing Tue, Feb 3, returning Sat, Feb 28.Round-trip flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Tue, Feb 3, arriving in Sofia.Inbound direct flight with Aegean Airlines departing from Sofia on Sat, Feb 28, arriving in Athens International.Price includes taxes and charges.From C$127, select.

Sofia.C$133 per passenger.Departing Fri, Jan 9, returning Mon, Jan 12.Round-trip flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Fri, Jan 9, arriving in Sofia.Inbound direct flight with Aegean Airlines departing from Sofia on Mon, Jan 12, arriving in Athens International.Price includes taxes and charges.From C$133, select.

Sofia.C$142 per passenger.Departing Wed, Apr 30, returning Thu, May 15.Round-trip flight with SKY express.Outbound direct flight with SKY express departing from Athens International on Wed, Apr 30, arriving in Sofia.Inbound direct flight with SKY express departing from Sofia on Thu, May 15, arriving in Athens International.Price includes taxes and charges.From C$142, select.

Sofia.C$142 per passenger.Departing Wed, May 14, returning Wed, May 28.Round-trip flight with SKY express.Outbound direct flight with SKY express departing from Athens International on Wed, May 14, arriving in Sofia.Inbound direct flight with SKY express departing from Sofia on Wed, May 28, arriving in Athens International.Price includes taxes and charges.From C$142, select.

Sofia.C$145 per passenger.Departing Mon, Dec 1, returning Sun, Dec 7.Round-trip flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Mon, Dec 1, arriving in Sofia.Inbound direct flight with Aegean Airlines departing from Sofia on Sun, Dec 7, arriving in Athens International.Price includes taxes and charges.From C$145, select.

Sofia.C$145 per passenger.Departing Thu, Oct 30, returning Fri, Nov 14.Round-trip flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Thu, Oct 30, arriving in Sofia.Inbound direct flight with Aegean Airlines departing from Sofia on Fri, Nov 14, arriving in Athens International.Price includes taxes and charges.From C$145, select.

Find the cheapest month to fly from Athens International to Sofia

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Athens International to Sofia flights are currently cheapest in November.

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Direct flights from Athens International to Sofia

Athens International to Sofia: Alternative routes

Compare routes from Athens International to Sofia below. You may find an airport to fly into that's cheaper, faster, or easier than Sofia.

Athens to Sofia: Flight information

The things to know before you go.

Cheapest flight found	C$127
Cheapest month to fly	January
Average flight time	1 hr, 20 mins
Most popular airline	Bulgaria Air
Average flights per week	36

Finding cheap flights from Athens International to Sofia: Frequently asked questions

How much are round-trip flights from Athens International to Sofia?

The best price we found for a round-trip flight from Athens International to Sofia is C$127. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Athens International to Sofia?

1 hour and 20 minutes is the average flight time from Athens International to Sofia.

Which airlines fly direct from Athens International to Sofia?

Bulgaria Air, Aegean Airlines and SKY express fly direct from Athens International to Sofia.

How many flights are there a week from Athens International to Sofia?

There are 42 flights per week flying from Athens International to Sofia, as of March 2025.

When is the cheapest time to fly from Athens International to Sofia?

The cheapest month to fly from Athens International to Sofia is usually March 2025.

Which upcoming date is cheapest to fly from Athens International Airport to Sofia Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Athens International Airport to Sofia Airport on Sunday, January 25, 2026.

Can I get a direct flight from Athens International Airport to Sofia Airport?

Yes – the average flight time is 1 hour and 20 minutes.

How can I find the best flight deal to Sofia?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sofia but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

Which is the cheapest airline to fly with from Athens International Airport to Sofia?

Currently, Aegean Airlines offers the cheapest flight tickets to Sofia.

Flying from Eleftherios Venizelos International Airport (ATH) to Sofia Airport (SOF): what you need to know

On average, direct flights from Eleftherios Venizelos International Airport to Sofia Airport take 1 hour 26 minutes. Sofia and Athens share the same timezone (UTC+2), meaning you won't have to adjust your watch after you arrive.
You can choose from 42 weekly flights from Eleftherios Venizelos International Airport to Sofia Airport. The 06:00 departure with Sky Express is the earliest flight out from ATH to SOF. Sky Express operates the last service of the day at 22:20 if you're not into early starts.
You'll likely experience bigger queues during popular months like August and other peak periods. Arriving up to fours hours ahead of international flights and two hours for a domestic departure is a wise move.
One simple journey from ATH to SOF is all it takes to get to Sofia, Bulgaria. You'll have a range of airlines that run direct flights from Eleftherios Venizelos International Airport to Sofia Airport, including:
If you'd like to break up your flight from Eleftherios Venizelos International Airport to Sofia Airport, consider adding a stopover. Just uncheck 'Direct flights only' to find a city that catches your eye. The top stopovers on the ATH - SOF route include:
- Rhodes Airport
- Bucharest Henri Coanda International Airport
- Istanbul Ataturk Airport
To see if you need a visa to enter Bulgaria, check with your carrier and the local embassy or consulate. They'll have the most up-to-date information, including additional documents you may need after booking your cheap ticket from ATH to SOF.

How to find the cheapest flights from Eleftherios Venizelos International Airport (ATH) to Sofia Airport (SOF)

The lowest price we've seen for a one-way ticket from Eleftherios Venizelos International Airport to Sofia Airport is C$69. For a return flight on this route, the best price is C$127. Depending on the availability when you book, these fares can change.
Get cheap flight tickets from ATH to SOF by booking 10 months ahead. According to our research, that's the sweet spot for picking up a bargain.
June is the cheapest month for flight tickets from Eleftherios Venizelos International Airport to Sofia Airport. If you prefer to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.
Sign into your online account or use the app to create a Price Alert. We'll notify you straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you the hassle of checking for cheap flight tickets from ATH to SOF every day.
Use filters to tailor your flights from Eleftherios Venizelos International Airport to Sofia Airport. Select your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Handy information about Eleftherios Venizelos International Airport (ATH)

Located around 40 kilometres from the center of Athens, Eleftherios Venizelos International Airport can be reached in about 37 minutes by car, depending on traffic. The journey by public transport is roughly 59 minutes.
Want an easy start to your journey? Stay near ATH. Whether you're taking an early flight from Eleftherios Venizelos International Airport to Sofia Airport or want to avoid feeling rushed, these hotels are perfect:

Arriving at Sofia Airport (SOF)

If you're arriving on a late flight from Eleftherios Venizelos International Airport to Sofia Airport, few things top the convenience of staying close to the terminal. Grab your luggage from the carousel and then be showered and resting soon after at one of these options near SOF:

Getting from Sofia Airport (SOF) to central Sofia

Sofia Airport to the center of Sofia is about 16 minutes in a car. It's approximately 11 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing.
Traveling to the center by public transport takes around 37 minutes.

When to fly to Sofia Airport (SOF)

August is the most popular month for flights from Eleftherios Venizelos International Airport to Sofia Airport. To avoid the crowds, visit Sofia in April.
The warmest month in Sofia is August, with temperatures ranging between 14ºC and 30ºC. Lock in your flights from Eleftherios Venizelos International Airport to Sofia Airport in this month if you like this kind of weather.
January sees average temperatures of between -11ºC and 7ºC. Search for cheap flight tickets from ATH to SOF around that time if you want to travel in cooler conditions.

More about Sofia

After booking your flights from ATH to SOF, you'll want to find a place to stay in Sofia. Make one of these options your base for exploring this popular destination:
There are so many things to explore in this city it can be hard to work out where to start. National Palace of Culture, Boyana Church and City Garden are highlights which should be on every Sofia itinerary.

Complete your Sofia trip with hotels and a car rental

We've got more party tricks up our sleeve than just comparing flights. Once you've secured your cheap ticket to Sofia Airport, explore our car rental offers that'll give you the flexibility to travel around at your own pace. Then, take a look at our exclusive rates for hotels to find your ideal Sofia stay.