$40 Flights from Athens International (ATH) to Sofia (SOF)

Compare Athens International to Sofia flight deals

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

Book the best Sofia fare with no extra fees

Flight deals from Athens International to Sofia

Looking for a cheap last-minute deal or the best round-trip flight from Athens International Airport to Sofia Airport? If you want to travel next month, round-trip fares start from $106. Find the lowest prices on one-way and round-trip tickets right here.

Sofia.$40 per passenger.Departing Mon, Jun 29.One-way flight with Wizz Air.Outbound indirect flight with Wizz Air, departing from Athens International on Mon, Jun 29, arriving in Sofia.Price includes taxes and charges.From $40, select.

Sofia.$49 per passenger.Departing Wed, Jul 22.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Athens International on Wed, Jul 22, arriving in Sofia.Price includes taxes and charges.From $49, select.

Sofia.$54 per passenger.Departing Thu, Sep 17.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Athens International on Thu, Sep 17, arriving in Sofia.Price includes taxes and charges.From $54, select.

Sofia.$56 per passenger.Departing Mon, Dec 7.One-way flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Mon, Dec 7, arriving in Sofia.Price includes taxes and charges.From $56, select.

Sofia.$56 per passenger.Departing Fri, Feb 12.One-way flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Fri, Feb 12, arriving in Sofia.Price includes taxes and charges.From $56, select.

Sofia.$56 per passenger.Departing Sun, Jan 24.One-way flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Sun, Jan 24, arriving in Sofia.Price includes taxes and charges.From $56, select.

Sofia.$60 per passenger.Departing Thu, Aug 20.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departing from Athens International on Thu, Aug 20, arriving in Sofia.Price includes taxes and charges.From $60, select.

Sofia.$62 per passenger.Departing Sun, Aug 23.One-way flight with SKY express.Outbound direct flight with SKY express departing from Athens International on Sun, Aug 23, arriving in Sofia.Price includes taxes and charges.From $62, select.

Sofia.$62 per passenger.Departing Fri, Nov 6.One-way flight with SKY express.Outbound direct flight with SKY express departing from Athens International on Fri, Nov 6, arriving in Sofia.Price includes taxes and charges.From $62, select.

Sofia.$62 per passenger.Departing Thu, Mar 25.One-way flight with SKY express.Outbound direct flight with SKY express departing from Athens International on Thu, Mar 25, arriving in Sofia.Price includes taxes and charges.From $62, select.

Sofia.$63 per passenger.Departing Thu, Oct 15.One-way flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Thu, Oct 15, arriving in Sofia.Price includes taxes and charges.From $63, select.

Sofia.$68 per passenger.Departing Tue, Sep 29.One-way flight with Aegean Airlines.Outbound direct flight with Aegean Airlines departing from Athens International on Tue, Sep 29, arriving in Sofia.Price includes taxes and charges.From $68, select.

Sofia.$70 per passenger.Departing Fri, Jun 12.One-way flight with Bulgaria Air.Outbound direct flight with Bulgaria Air departing from Athens International on Fri, Jun 12, arriving in Sofia.Price includes taxes and charges.From $70, select.

Sofia.$72 per passenger.Departing Thu, Jul 9.One-way flight with SKY express.Outbound direct flight with SKY express departing from Athens International on Thu, Jul 9, arriving in Sofia.Price includes taxes and charges.From $72, select.

Sofia.$111 per passenger.Departing Thu, May 6.One-way flight with Bulgaria Air.Outbound direct flight with Bulgaria Air departing from Athens International on Thu, May 6, arriving in Sofia.Price includes taxes and charges.From $111, select.

Sofia.$111 per passenger.Departing Fri, Apr 23.One-way flight with Bulgaria Air.Outbound direct flight with Bulgaria Air departing from Athens International on Fri, Apr 23, arriving in Sofia.Price includes taxes and charges.From $111, select.

Find the cheapest month to fly from Athens International to Sofia from $40 one-way

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 June.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

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.

Sofia

4 miles from central Sofia

ClosestCheapest

from $40

Search flights

Athens to Sofia: Flight information

The things to know before you go.

Cheapest flight found	$40
Cheapest month to fly	June
Average flight time	1 hr, 31 mins
Most popular airline	Aegean Airlines
Average flights per week	54

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 $100. 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 31 minutes is the average flight time from Athens International to Sofia.

Which airlines fly direct from Athens International to Sofia?

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

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

There are 54 flights per week flying from Athens International to Sofia, as of June 2026.

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

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

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 Saturday, December 5, 2026.

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

Yes – the average flight time is 1 hour and 31 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.

When is the best time to book flights to Sofia?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sofia is around 40 days in advance, so don’t leave your flight to the last minute.

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 Athens International Airport (ATH) to Sofia Airport (SOF): what you need to know

Around 1 hour 25 minutes is how long you can expect to be in the air on a direct flight from Athens International Airport to Sofia Airport.
Athens and Sofia are in the UTC+2 timezone. This means there's no time difference to consider.
Choose from 17 weekly Athens International Airport to Sofia Airport flights. The 07:15 departure with Sky Express is the earliest available. Bulgaria Air operates the last service of the day at 20:40.
Get to the airport on time so you don't miss your ATH to SOF flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.
Traveling during a peak time like August? Major public holidays and other popular periods can result in longer queues and delays at check-in and security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.
You'll find a variety of airlines offering direct flights from Athens International Airport to Sofia Airport. When you're ready to start your Sofia vacation, let one of these carriers fly you to this must-see part of Bulgaria:
Most passengers choose to fly with Aegean Airlines on this route.
SKY express tops the rankings as the most punctual carrier for ATH to SOF flights, with 88.57% of its services reaching their destination on schedule.
If you'd like to add a stop to your trip, simply deselect 'Direct flights only' when searching for your ticket from Athens International Airport to Sofia Airport. These are the top stopovers between ATH and SOF:
- Istanbul Airport
- Bucharest Otopeni Airport
- Crete Heraklion Airport

Handy information about Athens International Airport (ATH)

76% of flights that take off from Athens International Airport land at their destination on time.
Central Athens to Athens International Airport is approximately 20 miles. Depending on traffic, it'll take about 35 minutes to get there if you're catching a cab, ride-sharing or driving.
Taking public transport? You can expect a journey time of around 40 minutes.
Get your journey off to a hassle-free start by staying near ATH. Whether you're boarding an early flight from Athens International Airport to Sofia Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Sofia Airport (SOF)

If you're getting in on a late Athens International Airport to Sofia Airport flight, nothing beats the convenience of staying close to the terminal. Pick up your bags from the carousel and then be tucked up in bed soon after at one of these hotels near SOF:
Hit the road running by picking up a Sofia Airport rental car. Grab your wheels from MEX, Surprice or NU Car Rentals to explore Sofia and beyond.
For the lowest price, reserve your ride from Sofia Airport about one week in advance.

When to fly to Sofia Airport (SOF)

August is the most popular month for flights from Athens International Airport to Sofia Airport. For a quieter experience, go to Sofia in March.
The warmest month in Sofia is August, with temperatures ranging between 55ºF and 90ºF. Lock in your flights from Athens International Airport to Sofia Airport in this month if you like this kind of weather.
If you like traveling in cooler conditions, search for a cheap ticket from ATH to SOF in January. Temperatures average between 12ºF and 45ºF then.

Explore more of Bulgaria

Plovdiv is just one of the many places in Bulgaria waiting to be discovered once you've taken in the sights of Sofia. Around 80 miles away to the south-east, its best attractions include Plovdiv Roman Theatre, Municipal Institute "Ancient Plovdiv" and Museum Center for Contemporary History.
Around 240 miles east of Sofia, Varna is another essential stop in Bulgaria. Experience this destination's highlights firsthand at Sahara beach, Museum of Natural History and Sea Garden.