Cheap Flights from Sofia to Athens from €34

Frequently Asked Questions

• What are the cheapest flights from Sofia to Athens (SOF-ATH)?

  Based on Trip.com data, AEGEAN offers one-way fares as low as €34 on Cheapest nonstop routes (e.g. SOF to ATH on Mon, Oct 12), while SKY express offers Cheapest nonstop round-trips from €106 departing on Fri, Oct 9 and returning on Thu, Oct 15.

• Which airlines offer direct flights from Sofia to Athens?

  At the moment, you can catch a nonstop flight from Sofia to Athens with the following airlines, including: AEGEAN Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Sofia (SOF) to Athens (ATH) and what is the distance?

  It takes around 1 hour 22 minutes to fly from Sofia (SOF) to Athens (ATH).

• When is the best time to book flights from Sofia to Athens?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Sofia to Athens is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Sofia to Athens?

  Based on Trip.com data in the past 4 weeks, there is 27 flight per week flying from Sofia to Athens. You can check the weekly schedule for popular airlines on this route below: AEGEAN: S/M/T/W/T/F/- -- A3981 (11:21)

• How can I find the best deals on flights from Sofia to Athens?

  To find best deals on flights from Sofia to Athens, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Mon, Oct 12, with one-way flights priced at just €34.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is AEGEAN.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for Athens travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Sofia (SOF) to Athens (ATH) the cheapest?

  The cheapest months to fly from Sofia to Athens is September, when demand for travel is lower.

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

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Sofia to Athens on August 20, 2026 with SKY express, with prices starting at €45.

• Which airports can I fly to for Athens from Sofia?

  You can land at any one of the following hubs in Athens, with Sofia Airport to Athens International Airport "Eleftherios Venizelos" (SOF-ATH) is by far the most common option on this route: Athens International Airport "Eleftherios Venizelos" (ATH).

• Is there any time difference between Sofia and Athens?

  The time difference between Athens and Sofia is 0m.

• How do I change or cancel my ticket from Sofia to Athens?

  Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Sofia to Athens?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Sofia to Athens is €156. Fares vary by travel date, airline and availability.

• What is the average cost of a round-trip flight from Sofia to Athens?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Sofia to Athens is €222. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Sofia to Athens on Trip.com?

  Enter Sofia and Athens, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.

• Are there budget airlines on the Sofia to Athens route?

  SKY expressare the most popular budget airlines flying from Sofia to Athens. Check baggage, seat and payment fees before comparing the final price.