Athens to Sofia flights
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- Lowest observed
- €45, departing 16 Oct 2026 (Last checked: 7 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 55Check live prices for this route
- Airlines seen
- Bulgaria Air, Aegean Airlines, Air Serbia, Austrian Airlines, Lufthansa, Sky Express +1 more
- Reported fastest flight
- 1h 15m
- Non-stop
- Yes
Your next trip, last seen at €45
Lowest observedWhen to fly
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The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
About this route
Explore the fares we observed from Athens to Sofia. Prices move often, so pick your dates to see the latest options.
- Route distance
- 525 km
- Reported fastest flight
- 1h 15m
- Airlines seen
- Bulgaria Air, Aegean Airlines, Air Serbia, Austrian Airlines, Lufthansa, Sky Express +1 more
Route-level information; individual journeys vary.
Published schedules report non-stop service with Bulgaria Air, Olympic Air. Check current timetables.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Athens Eleftherios Venizelos (ATH) → Athens, city gazetteer reference point (37.9838, 23.7275): ≈ 20 km.
- Sofia Airport (SOF) → Sofia, city gazetteer reference point (42.6977, 23.3219): ≈ 7 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Athens to Sofia: October 2026, from €45 (checked 7 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €45 | 15 |
| November 2026 | €66 | 20 |
| December 2026 | €66 | 20 |
Lowest fare by day of the week
Cheapest day of the week from Athens to Sofia: Friday, from €45 (checked 7 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €67 | 9 |
| Tuesday | €67 | 8 |
| Wednesday | €67 | 8 |
| Thursday | €67 | 8 |
| Friday | €45 | 8 |
| Saturday | €67 | 6 |
| Sunday | €66 | 8 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Frequently asked
How much is a flight from Athens to Sofia?
The lowest fare we have observed is €45, found on 7 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Athens to Sofia?
Cheapest month from Athens to Sofia: October 2026, from €45 (checked 7 Oct 2026).
Are there direct flights from Athens to Sofia?
Yes. We have seen non-stop flights on this route, flown by Bulgaria Air, Olympic Air.
Which airlines fly from Athens to Sofia?
These are the carriers we have seen on the route: Bulgaria Air, Aegean Airlines, Air Serbia, Austrian Airlines, Lufthansa, Sky Express +1 more.
How many of the observed Athens to Sofia fares were non-stop?
51 of the 60 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Athens to Sofia?
Cheapest day of the week from Athens to Sofia: Friday, from €45 (checked 7 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
Keep exploring
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Recently observed fares. Prices may change.
Last checked: 7 Oct 2026