Cheap flights from Gaziantep to Istanbul

One-way fares from $34 · GZT → IST · prices found by travellers in the last 48 hours

Compare all dates Istanbul → Gaziantep
Cheapest fare
$34

Ajet · Sun, Dec 20

Cheapest month
December

from $34

Direct flights
Yes

Ajet, Pegasus Airlines and Turkish Airlines

Flight time
1h 45m

850 km

Get a price alert

We'll email you when Gaziantep → Istanbul drops to your price. It's free, and you can stop any time.

Today's cheapest fare is $34. We'll send one email to confirm. See our privacy policy.

Cheapest month to fly from Gaziantep to Istanbul

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. November 2026 $35
  2. December 2026 Cheapest $34
  3. January 2027 $61
  4. February 2027 $39

Cheapest dates in December 2026

The lowest fares we've seen for each day, cheapest first.

Ajet
Depart04:50 Sun, Dec 20GZT → SAW 1h 50m · Direct
$34one way, per person
View deal
Turkish Airlines
Depart15:50 Wed, Dec 30GZT → IST 2h 00m · Direct
$36one way, per person
View deal
Pegasus Airlines
Depart05:20 Tue, Dec 15GZT → SAW 1h 45m · Direct
$38one way, per person
View deal
Ajet
Depart05:05 Sat, Dec 5GZT → SAW 1h 50m · Direct
$41one way, per person
View deal
Pegasus Airlines
Depart23:25 Fri, Dec 11GZT → SAW 1h 45m · Direct
$42one way, per person
View deal
See every date in December 2026 →

Plan the rest of your trip to Istanbul

Where to stay, what to do and getting around, from our travel partners.

Where to stay

Hotels in IstanbulCompare places to stay on Booking.com Find hotels →

Things to do

Things to do in IstanbulTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in IstanbulPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in IstanbulCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Gaziantep to Istanbul

Gaziantep (GZT) and Istanbul (IST) are about 850 km apart. Direct flights take around 1h 45m, and recent direct fares were with Ajet, Pegasus Airlines and Turkish Airlines. Over the next few months, one-way fares start from $34, and December 2026 is currently the cheapest month to fly.

These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.

Frequently asked questions

How much is a flight from Gaziantep to Istanbul?

The cheapest one-way fare we've seen recently is $34 with Ajet, departing Sunday, December 20, 2026. Over the coming months, the lowest fare in each month ranges from $34 to $61.

What is the cheapest month to fly from Gaziantep to Istanbul?

December 2026 currently has the lowest fares, from $34 one way.

Are there direct flights from Gaziantep to Istanbul?

Yes. Recent direct fares were with Ajet, Pegasus Airlines and Turkish Airlines.

How long is the flight from Gaziantep to Istanbul?

A direct flight takes about 1h 45m. Gaziantep and Istanbul are around 850 km apart.

Which airlines fly from Gaziantep to Istanbul?

Recent fares on this route were with Ajet, Pegasus Airlines and Turkish Airlines.

More cheap flights from Gaziantep

Compare flights to Istanbul from other cities →