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

View AU$91 flight on Wed, 25 Nov 2026Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Aegean
Sat, 6 Feb - Mon, 15 Feb
ATH
Athens
SOF
Sofia
AU$166 Return, found 2 days ago
AU$166
Return
found 2 days ago
Select Aegean flight, departing Sat, 6 Feb from Athens to Sofia, returning Mon, 15 Feb, priced at AU$166 found 2 days ago
Aegean
Fri, 15 Jan - Tue, 26 Jan
ATH
Athens
SOF
Sofia
AU$166 Return, found 5 days ago
AU$166
Return
found 5 days ago
Select Aegean flight, departing Fri, 15 Jan from Athens to Sofia, returning Tue, 26 Jan, priced at AU$166 found 5 days ago
Aegean
Tue, 19 Jan - Sat, 30 Jan
ATH
Athens
SOF
Sofia
AU$187 Return, found 5 days ago
AU$187
Return
found 5 days ago
Select Aegean flight, departing Tue, 19 Jan from Athens to Sofia, returning Sat, 30 Jan, priced at AU$187 found 5 days ago
Aegean
Fri, 15 Jan - Fri, 29 Jan
ATH
Athens
SOF
Sofia
AU$188 Return, found 5 days ago
AU$188
Return
found 5 days ago
Select Aegean flight, departing Fri, 15 Jan from Athens to Sofia, returning Fri, 29 Jan, priced at AU$188 found 5 days ago
SKY express
Fri, 2 Oct - Sun, 4 Oct
ATH
Athens
SOF
Sofia
AU$192 Return, found 1 day ago
AU$192
Return
found 1 day ago
Select SKY express flight, departing Fri, 2 Oct from Athens to Sofia, returning Sun, 4 Oct, priced at AU$192 found 1 day ago
Aegean
Wed, 20 Jan - Mon, 1 Feb
ATH
Athens
SOF
Sofia
AU$206 Return, found 5 days ago
AU$206
Return
found 5 days ago
Select Aegean flight, departing Wed, 20 Jan from Athens to Sofia, returning Mon, 1 Feb, priced at AU$206 found 5 days ago
Aegean
Tue, 4 May - Wed, 19 May
ATH
Athens
SOF
Sofia
AU$208 Return, found 8 hours ago
AU$208
Return
found 8 hours ago
Select Aegean flight, departing Tue, 4 May from Athens to Sofia, returning Wed, 19 May, priced at AU$208 found 8 hours ago
Lufthansa
Wed, 28 Apr - Thu, 20 May
ATH
Athens
SOF
Sofia
AU$250 Return, found 9 hours ago
AU$250
Return
found 9 hours ago
Select Lufthansa flight, departing Wed, 28 Apr from Athens to Sofia, returning Thu, 20 May, priced at AU$250 found 9 hours ago
Austrian Airlines
Tue, 4 May - Wed, 19 May
ATH
Athens
SOF
Sofia
AU$290 Return, found 8 hours ago
AU$290
Return
found 8 hours ago
Select Austrian Airlines flight, departing Tue, 4 May from Athens to Sofia, returning Wed, 19 May, priced at AU$290 found 8 hours ago
Swiss International Air Lines
Wed, 20 Jan - Mon, 1 Feb
ATH
Athens
SOF
Sofia
AU$290 Return, found 5 days ago
AU$290
Return
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, 20 Jan from Athens to Sofia, returning Mon, 1 Feb, priced at AU$290 found 5 days ago

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

April is typically the cheapest month to fly

From AU$152 - AU$291 per traveller.

Frequently asked questions

How much does a flight from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) cost?
You can find cheap one-way flights from AU$91 and cheap return flights from AU$166 ATH to SOF with Expedia. One-way flights typically cost between AU$184 and AU$942 and return flights often range between AU$357 and AU$1,890. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when ATH to SOF ticket fares go up or down.
What is the cheapest month to fly from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
If you're looking for the cheapest time to fly from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF), January is typically your best bet, with average return flights costing around AU$291. January often sees lower prices because it falls after the busy holiday season, when travel demand tends to decrease. Other budget-friendly months for this route include March and December.
Which airlines fly direct from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
There are 3 airlines offering direct flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF). Here are the top carriers:
  • Aegean operates 8 direct flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) every week.
  • Sky Express operates 7 direct flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) every week.
  • Bulgaria Air operates 7 direct flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) every week.
What is the cheapest airline that flies from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
Sky Express is one of the cheapest airlines offering nonstop return flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF), with tickets starting from around AU$152 for flights that can be booked for departure within the next year. Air Baltic offers one of the cheapest connecting return flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) starting from around AU$344. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Athens (ATH) to Sofia (SOF)?
To find a cheap flight from Athens (ATH) to Sofia (SOF), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
The best airline to fly with from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) will differ from traveler to traveler. If you like to fly early, Sky Express offers early morning flights. If price is the most important factor, Sky Express typically offers the lowest fares. Aegean offers the most daily flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Athens (ATH) to Sofia (SOF)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
You'll find approximately 2 nonstop flights per day from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF). For even more choices, look at flights that include layovers, as there are around 42 connecting flights per day. Some common connection points include Fiumicino - Leonardo da Vinci Intl. (FCO), Istanbul Airport (IST), and Franz Josef Strauss Intl. (MUC).
What is the earliest flight from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from ATH to SOF. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
You'll generally find the most flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) on a Monday, with around 32 flights available. This gives you a good selection of options to choose from. Major airlines on this route include Aegean, Lufthansa, and Turkish Airlines. While Monday is the busiest, flight schedules are fairly consistent throughout the week, so you'll have plenty of options regardless of your travel day.
What are the most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
The most popular departure times for flights from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) are in the early morning, from 6am to 9am. Many major carriers, including Aegean, Lufthansa and Austrian Airlines, offer flights during this window. Many travellers prefer this because it allows for an early start to their day in Sofia.
How long does it take to fly from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
A non-stop flight from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) typically takes around 1 hour 18 minutes, covering a distance of approximately 531 kilometres. If you opt for a one-stop flight, the journey usually takes longer, around 11 hours. Flights with two or more stops generally take about 12 hours. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF)?
Yes, you can fly business class between ATH and SOF. Airlines that offer business class service on this route include:
  • Bulgaria Air
  • Aegean
  • Lufthansa Cityline
  • ITA Airways
  • Lufthansa
  • Air France
  • KLM
  • SAS
  • Turkish Airlines
  • LOT-Polish Airlines
  • Swiss International Air Lines
  • Air Baltic
  • Croatia Airlines
  • Sky Express
  • British Airways
  • EL AL Israel Airlines
  • Austrian Airlines
  • Helvetic Airways
How do I earn miles on a Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) flight with Expedia?
It's easy to earn miles on a Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) at the last minute?
Typically, booking a last minute flight from Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) flight and hotel package?
Securing a Athens (ATH-Eleftherios Venizelos) to Sofia (SOF) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Athens (ATH) to Sofia (SOF)?
If you booked your Athens (ATH) to Sofia (SOF) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more 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
AU$165
Distance
527 km
Average flight time
1 hour 22 mins

Book with confidence

Your quick guide to flights from Athens to Sofia

Pick up great flights from Athens to Sofia

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Athens to Sofia. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Athens to Sofia that take around hours.

Find cheap flights from Athens to Sofia

From the great flight deals with prices currently ranging from AU$166 to AU$290, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Athens to Sofia around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Sofia is normally in February.

Reasons to book your flight from Athens to Sofia with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Athens to Sofia across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Sofia right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Athens to Sofia

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