Gaziantep to Istanbul flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Gaziantep to Istanbul is €34 (checked on 8 Nov 2026).
Your next trip, last seen at €34
Lowest observedWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
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.
One-way fare
- 1 Dec€37
- 2 Dec€37
- 3 Dec€36
- 4 Dec€37
- 5 Dec€37
- 6 Dec€39
- 7 Dec€40
- 8 Dec€37
- 9 Dec€37
- 10 Dec€37
- 11 Dec€39
- 12 Dec€38
- 13 Dec€38
- 14 Dec€40
- 15 Dec€38
- 16 Dec€37
- 17 Dec€36
- 18 Dec€39
- 19 Dec€38
- 20 Dec€37
- 21 Dec€37
- 22 Dec€38
- 23 Dec€38
- 24 Dec€38
- 25 Dec€38
- 26 Dec€37
- 27 Dec€34
- 28 Dec€39
- 29 Dec€37
- 30 Dec€44
- 31 Dec€37
- Lowest observed
- €34, departing 27 Dec 2026 (Last checked: 8 Nov 2026)One-way fare · Priced departure days checked in the last 14 days: 119Check live prices for this route
- Round trip
- €58, departing 11 Nov 2026, back 12 Nov 2026 (Last checked: 5 Nov 2026)
- Airlines seen
- Pegasus Airlines, Turkish Airlines, AJet
- Fastest observed flight time
- 1h 45m
- Non-stop
- Yes
About this route
Explore the fares we observed from Gaziantep to Istanbul. Prices move often, so pick your dates to see the latest options.
- Route distance
- 847 km
- Fastest observed flight time
- 1h 45m
- Airlines seen
- Pegasus Airlines, Turkish Airlines, AJet
- Alternative airports
- SAW
Route-level information; individual journeys vary.
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 |
|---|---|
| Pegasus Airlines | 66 / 117 |
| AJet | 22 / 117 |
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
- Gaziantep Oğuzeli International Airport (GZT) → Gaziantep, city gazetteer reference point (37.0660, 37.3781): ≈ 16 km.
- 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.
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 Gaziantep to Istanbul: December 2026, from €34 (checked 8 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €35 | 22 |
| December 2026 | €34 | 31 |
| January 2027 | €37 | 31 |
| February 2027 | €37 | 28 |
| March 2027 | €39 | 4 |
| April 2027 | €45 | 3 |
Lowest fare by day of the week
Cheapest day of the week from Gaziantep to Istanbul: Sunday, from €34 (checked 8 Nov 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €36 | 18 |
| Tuesday | €37 | 18 |
| Wednesday | €35 | 17 |
| Thursday | €35 | 17 |
| Friday | €37 | 17 |
| Saturday | €35 | 16 |
| Sunday | €34 | 16 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Gaziantep to Istanbul by days until departure (31 to 60 days): €34 (checked 8 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €38 | 8 |
| 8 to 30 days | €35 | 23 |
| 31 to 60 days | €34 | 30 |
| 61 days or more | €37 | 58 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from Gaziantep to Istanbul?
The lowest fare Routavio has observed is €34, found on 8 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Gaziantep to Istanbul?
Cheapest month from Gaziantep to Istanbul: December 2026, from €34 (checked 8 Nov 2026).
Are there direct flights from Gaziantep to Istanbul?
Yes. Published schedules report non-stop flights on this route with Pegasus Airlines, Turkish Airlines, AJet.
Which airlines fly from Gaziantep to Istanbul?
Routavio has seen these carriers on the route: Pegasus Airlines, Turkish Airlines, AJet.
How long does the flight from Gaziantep to Istanbul take?
Across the 8 fares Routavio observed, the average journey time is 1h 46m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Gaziantep to Istanbul fares were non-stop?
8 of the 10 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from Gaziantep to Istanbul?
Cheapest round trip: €58, departing 11 Nov 2026, back 12 Nov 2026 (checked 5 Nov 2026).
Which airlines had non-stop offers on at least 3 departure dates from Gaziantep to Istanbul?
For Gaziantep to Istanbul, examples of observed one-way non-stop offers checked within the last 14 days: Pegasus Airlines (66), AJet (22). Each number counts distinct departure dates, not weekly flights; check current availability in search.
Which day of the week is cheapest from Gaziantep to Istanbul?
Cheapest day of the week from Gaziantep to Istanbul: Sunday, from €34 (checked 8 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
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Recently observed fares. Prices may change.