Istanbul to Sofia flights
Find your dates. Discover your next journey.
- Lowest observed
- €49, departing 2 Dec 2026 (Last checked: 12 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 146Check live prices for this route
- Airlines seen
- Turkish Airlines, Pegasus Airlines, Air Serbia, AJet, TAROM, Wizz Air
- Reported fastest flight
- 1h 15m
- Non-stop
- Yes
Your next trip, last seen at €49
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 Istanbul to Sofia. Prices move often, so pick your dates to see the latest options.
- Route distance
- 505 km
- Reported fastest flight
- 1h 15m
- Airlines seen
- Turkish Airlines, Pegasus Airlines, Air Serbia, AJet, TAROM, Wizz Air
- Alternative airports
- SAW
Route-level information; individual journeys vary.
Published schedules report non-stop service with Turkish Airlines, Pegasus Airlines. 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.
Non-stop airlines seen on this route
| Airline | Non-stop days / priced days | Fastest non-stop |
|---|---|---|
| Pegasus Airlines | 44 / 146 |
Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.
Airport to city: straight-line distance
- Sabiha Gökçen Airport (SAW) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 30 km.
- Istanbul Airport (IST) → Istanbul, city gazetteer reference point (41.0082, 28.9784): ≈ 35 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 Istanbul to Sofia: December 2026, from €49 (checked 12 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| October 2026 | €50 | 20 |
| November 2026 | €51 | 30 |
| December 2026 | €49 | 30 |
| January 2027 | €50 | 31 |
| February 2027 | €55 | 25 |
| March 2027 | €49 | 10 |
Lowest fare by day of the week
Cheapest day of the week from Istanbul to Sofia: Wednesday, from €49 (checked 12 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €50 | 20 |
| Tuesday | €50 | 21 |
| Wednesday | €49 | 20 |
| Thursday | €49 | 22 |
| Friday | €51 | 22 |
| Saturday | €50 | 21 |
| Sunday | €50 | 20 |
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 Istanbul to Sofia?
The lowest fare we have observed is €49, found on 12 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Istanbul to Sofia?
Cheapest month from Istanbul to Sofia: December 2026, from €49 (checked 12 Oct 2026).
Are there direct flights from Istanbul to Sofia?
Yes. We have seen non-stop flights on this route, flown by Turkish Airlines, Pegasus Airlines.
Which airlines fly from Istanbul to Sofia?
These are the carriers we have seen on the route: Turkish Airlines, Pegasus Airlines, Air Serbia, AJet, TAROM, Wizz Air.
How long does the flight from Istanbul to Sofia take?
The average journey time across the 43 fares we observed is 1h 49m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Istanbul to Sofia fares were non-stop?
151 of the 159 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
Which airlines had non-stop offers on at least 3 departure dates from Istanbul to Sofia?
For Istanbul to Sofia, examples of observed one-way non-stop offers checked within the last 14 days: Pegasus Airlines (44). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Istanbul to Sofia?
Cheapest day of the week from Istanbul to Sofia: Wednesday, from €49 (checked 12 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide
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Recently observed fares. Prices may change.
Last checked: 12 Oct 2026