What to know about flights from Athens to Sofia?

The approximate distance between Athens and Sofia is 531.13 km. Average flight time from Athens to Sofia is around 1 hour 27 minutes. According to Trip.com data, travel demand hits its peak in February. The cheapest month to book flights is November.

Cheapest one-way
IDR 957,600
SKY express SKY express ATH-SOF 1h 45m · Nonstop Wed, Jan 13
Book Now
Cheapest round-trip
IDR 2,053,900
Wizz Air Malta Wizz Air Malta ATH-SOF 17h 55m · 1 stop Thu, Dec 3 - Mon, Dec 7
Book Now
When to fly
November
Cheapest
February
Peak season
Route details
531.13 km
Flight distance
1h 27m
Average flight time

Explore the cheapest one-way and round-trip flights from Athens to Sofia over the next 90 days, with one-way fares from IDR 957,600 and round-trip from IDR 2,396,600. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Athens to Sofia are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight.News
Flights from Athens to Sofia operate an average of 2 times per day over the past 7 days, with a 58.8% on-time departure rate and a 94.1% on-time arrival rate.

Which airlines are the most popular for Athens to Sofia flights?

The most popular airlines flying from Athens to Sofia are AEGEAN, SKY express, and Bulgaria Air, among 5 carriers on this route. SKY express offers the lowest fares. Based on Trip.com's flight booking data from the previous 12 months.
AEGEAN logo AEGEAN
SKY express logo SKY express
Bulgaria Air logo Bulgaria Air
easyJet logo easyJet
Lufthansa logo Lufthansa
Airlines are determined based on actual purchased flight tickets from Athens to Sofia according to previous 12 months data from Trip.com.

Trip.com Price Trends on Flights from Athens to Sofia

Which month has the cheapest one-way flights from Athens to Sofia?

Average monthly one-way flight prices from Athens to Sofia, based on bookings made by Trip.com users over the past 12 months.

Based on Trip.com’s data, the cheapest month for flights from Athens to Sofia is November, with an average price of IDR 1,785,600; while the month with the highest flight price is usually January, with an average price of up to IDR 3,126,600.

IDR 3,126,600
IDR 2,456,100
IDR 1,785,600
IDR 1,115,100
  • IDR 1,785,600
    Nov
  • IDR 2,016,300
    Dec
  • IDR 3,126,600
    Jan
  • IDR 2,288,000
    Feb
  • IDR 3,100,900
    Mar
  • IDR 2,458,900
    Apr
  • IDR 2,737,000
    May
  • IDR 2,028,300
    Jun
  • IDR 1,991,000
    Jul
  • IDR 2,220,000
    Aug
  • IDR 2,655,600
    Sep
  • IDR 2,400,000
    Oct

Which month has the cheapest round-trip flights from Athens to Sofia?

The average price of round-trip flights from Athens to Sofia purchased by Trip.com users by month over the past 12 months.

Based on data from Trip.com, the lowest prices for round-trip flights from Athens to Sofia are found during November, with an average price of IDR 2,447,000. Conversely, the highest prices are found during February, with an average price of up to IDR 6,987,200.

IDR 6,987,200
IDR 4,717,100
IDR 2,447,000
IDR 176,900
  • IDR 2,447,000
    Nov
  • IDR 3,624,000
    Dec
  • IDR 2,890,500
    Jan
  • IDR 6,987,200
    Feb
  • IDR 3,946,500
    Mar
  • IDR 3,835,700
    Apr
  • IDR 4,207,700
    May
  • IDR 3,222,300
    Jun
  • IDR 3,623,500
    Jul
  • IDR 4,117,900
    Aug
  • IDR 3,833,400
    Sep
  • IDR 3,708,400
    Oct

When is the cheapest day to fly from Athens to Sofia during Thanksgiving Day?

Based on Trip.com's data over the past 3 days, these are the lowest one-way flight prices from Athens to Sofia during Thanksgiving Day.

Thanksgiving Day is scheduled for Nov 26. The cheapest flights from Athens to Sofia are available on Nov 28, with fares starting at IDR 1,311,200.

IDR 1,686,600
IDR 1,498,900
IDR 1,311,200
IDR 1,123,500
    Cheapest
  • IDR 1,686,600
    22
    Nov
  • IDR 1,635,000
    23
  • IDR 1,362,900
    24
  • IDR 1,335,700
    25
  • IDR 1,319,400
    26
  • IDR 1,624,100
    27
  • IDR 1,311,200
    28

Frequently Asked Questions

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

    Based on Trip.com data, SKY express offers one-way fares as low as IDR 1,085,500 on Cheapest nonstop routes (e.g. ATH to SOF on Fri, Dec 11), while Wizz Air Malta offers Cheapest nonstop round-trips from IDR 2,053,900 departing on Thu, Dec 3 and returning on Mon, Dec 7.
  • At the moment, you can catch a nonstop flight from Athens to Sofia with the following airlines, including: SKY express AEGEAN Bulgaria Air easyJet Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 1 hour 27 minutes to fly from Athens to Sofia.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Athens to Sofia 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.
  • Based on Trip.com data in the past 4 weeks, there is 17 flight per week flying from Athens to Sofia. You can check the weekly schedule for popular airlines on this route below: SKY express: S/-/T/W/T/-/S -- GQ680 (07:57) AEGEAN: -/M/-/W/T/-/S -- A31150 (18:23)
  • To find best deals on flights from Athens to Sofia, 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 Fri, Dec 11, with one-way flights priced at just IDR 1,085,500.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is SKY express.
    · 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 Sofia travel is around February.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Athens to Sofia is November, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Athens to Sofia on November 26, 2026 with Wizz Air Malta, with prices starting at IDR 1,012,000.
  • You can land at any one of the following hubs in Sofia: Sofia Airport (SOF). Flying from Athens International Airport "Eleftherios Venizelos" to Sofia Airport (ATH-SOF) is by far the most common option on this route.
  • The time difference between Sofia and Athens is 0m.
  • 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.
  • Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Athens to Sofia is IDR 3,913,800. Fares vary by travel date, airline and availability.
  • Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Athens to Sofia is IDR 4,448,100. The final price depends on the outbound and return dates, airline and fare conditions.
  • Enter Athens and Sofia, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.
  • SKY express and easyJetare the most popular budget airlines flying from Athens to Sofia. Check baggage, seat and payment fees before comparing the final price.

Trip.com Airline Insights on Flights from Athens to Sofia

Which airline offers the cheapest direct flights from Athens to Sofia?

Data is based on the average price of all nonstop flights from Athens to Sofia on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, Bulgaria Air provides the lowest-priced direct flights from Athens to Sofia, with fares starting at IDR 2,124,600.

IDR 336,434
IDR 2,124,600
IDR 3,912,767
IDR 5,700,934
IDR 7,489,100
Bulgaria Air
IDR 2,124,600
Bulgaria Air
SKY express
IDR 2,279,700
SKY express
AEGEAN
IDR 2,614,300
AEGEAN
Tarom
IDR 4,915,700
Tarom
Air Serbia
IDR 6,009,200
Air Serbia
Turkish Airlines
IDR 7,489,100
Turkish Airlines

Which airline operates the most flights from Athens to Sofia?

Total flights from Athens to Sofia across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, AEGEAN/Bulgaria Air operates the most frequent flights from Athens to Sofia, with 12 flights per week.

0
3
8
12
AEGEAN
12
AEGEAN
Bulgaria Air
12
Bulgaria Air
SKY express
5
SKY express
Etihad Airways
5
Etihad Airways
Qatar Airways
4
Qatar Airways
IndiGo
3
IndiGo

How many flights fly from Athens to Sofia daily?

The data is based on the flight numbers for each day of the week from Athens to Sofia within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Athens to Sofia is the highest on Friday and the lowest on Saturday.

43
28
13
0
Highest
17
Mon
23
Tue
16
Wed
29
Thu
43
Fri
13
Sat
26
Sun

Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.