Cheap Flights from Istanbul to Gaziantep

Cheapest flights from Istanbul to Gaziantep

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Istanbul to Gaziantep. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$43

Pegasus Airlines

Direct flight

1h 35m

05/28/2026

The cheapest one-way flight from Istanbul to Gaziantep departs on 05/28/2026, is operated by Pegasus Airlines and costs $43

Cheapest round trip flight

$65

Turkish Airlines

Direct flight

3h 35m

09/14/2026

The cheapest roundtrip flight from Istanbul to Gaziantep departs on 09/14/2026, is operated by Turkish Airlines and costs $65

The fastest flight

1h 35m

Fastest flight from Istanbul to Gaziantep takes 1h 35m

Direct flights

Every day

There are direct flights on this route 7 days a week: Su, Mo, Tu, We, Th, Fr, and Sa

Earliest flight

5:05 AM

Latest flight

1:40 AM

Average flight duration

1h 40m

Direct flights count

123

Distance

871km

Timezone difference

0h

The distance between Istanbul and Gaziantep is 871km (540 miles). The average flight duration is 1h 40m. There are 123 direct flights from Istanbul to Gaziantep. Istanbul and Gaziantep are in the same time zone. Flights from Istanbul begin at 5:05 AM. The latest flight from Istanbul departs at 1:40 AM

Remember that on average the ideal time to book flights is 2 months before departure!

Airfare from Istanbul to Gaziantep by month

The cost of a one-way flight from Istanbul to Gaziantep ranges from $48 (May 2026) to $94 (April 2027). On average, the ticket price is about $74–$80.

May 2026

Lowest price

on average:

$48

April 2027

Highest price

on average:

$94

Avg Price

Price dynamics

The Istanbul — Gaziantep route shows a classic seasonal pattern: prices rise, peak, then fall again. Knowing this, you can pick a more affordable time to fly.

Cheaper and more expensive periods

Prices rise from May 2026 to June 2026 (+67%), then decline from June 2026 to July 2026 (4%). The cheapest tickets are in May 2026–June 2026 (averaging $64), while the priciest are in July 2026–April 2027 ($85).

Best time to buy

For savings, plan your flight for May 2026–June 2026 — you could save up to 25%. Try to avoid July 2026–April 2027 when possible: prices are at their highest then.

Price predictability

Price spread on this route is 22.4%. Costs depend heavily on the season, so flexibility in choosing your departure month is especially valuable here.

Airlines operating on route

Flights from Istanbul to Gaziantep are operated by several airlines — Pegasus Airlines, Valuair, and Turkish Airlines. This allows passengers to flexibly choose flights based on departure time, cost, and additional services. The minimum ticket price starts at $43, making this destination accessible to travelers with different budgets. We help compare all available options in real time, so you can book tickets at the best value for money. The service ensures transparent search and lets you book affordable flights in just a few clicks.

Pegasus Airlines

starting at $43

Valuair

starting at $55

Turkish Airlines

starting at $73

Non-stop flights from Istanbul to Gaziantep

A non-stop flight is the most convenient and comfortable way to fly from Istanbul to Gaziantep, despite the fact that sometimes flights with transfers can cost significantly less.

Istanbul — Gaziantep

IST — GZT

05/28/2026

Departure

Direct flight

PC4080

starting at $43

Istanbul — Gaziantep

IST — GZT

06/05/2026

Departure

Direct flight

PC2404

starting at $49

Istanbul — Gaziantep

IST — GZT

06/03/2026

Departure

Direct flight

PC2402

starting at $50

Istanbul — Gaziantep

IST — GZT

05/30/2026

Departure

Direct flight

PC2402

starting at $51

Istanbul — Gaziantep

IST — GZT

06/02/2026

Departure

Direct flight

PC2402

starting at $54

Istanbul — Gaziantep

IST — GZT

06/07/2026

Departure

Direct flight

VF3228

starting at $55

Istanbul — Gaziantep

IST — GZT

05/28/2026

Departure

Direct flight

PC2410

starting at $59

Istanbul — Gaziantep

IST — GZT

06/01/2026

Departure

Direct flight

VF3228

starting at $64

Istanbul — Gaziantep

IST — GZT

06/22/2026

Departure

Direct flight

TK2240

starting at $73

Istanbul — Gaziantep

IST — GZT

05/31/2026

Departure

Direct flight

PC2402

starting at $75

Schedule of direct flights from Istanbul to Gaziantep

All airlines serving Istanbul — Gaziantep operate daily direct flights: Turkish Airlines, Pegasus Airlines, and Valuair fly every day.

Turkish Airlines

Every day

starting at $90

Pegasus Airlines

Every day

starting at $45

Valuair

Every day

starting at $39

Istanbul airports overview

Istanbul New Airport

•

IST

1km

Serves Istanbul as Turkey’s main international hub, offering extensive long‑haul and regional connections with modern terminals and direct rail and road links to the city.

Sabiha Gokcen International Airport

•

SAW

43km

Serves Istanbul's Asian side with domestic and international flights, popular with low-cost carriers; convenient for travelers to Pendik, Kartal and nearby ferry/road links to central Istanbul.

•

Gaziantep airports overview

Gaziantep Airport

•

GZT

Handles domestic and seasonal international flights for Gaziantep and southeastern Turkey, with convenient road links to the city and regional transport connections.

•

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

What is the cheapest price for flights from Istanbul to Gaziantep?

The cheapest flight ticket from Istanbul to Gaziantep according to data for the last 48 hours costs $43

When is the best time to buy air tickets on the route Istanbul — Gaziantep?

Often the best time to buy tickets from Istanbul to Gaziantep is 2 months before departure.

When is the cheapest time of year to fly from Istanbul to Gaziantep?

Based on statistics over the past years, the lowest prices for flights from Istanbul to Gaziantep can be found flying in these months: May, July, June.

How long does it take to fly from Istanbul to Gaziantep?

The fastest flights from Istanbul to Gaziantep start from 1 hour 35 minutes in the air.

Which airline can fly direct from Istanbul to Gaziantep?

The following airlines operate direct flights on the route Istanbul — Gaziantep: Pegasus Airlines, Valuair, Turkish Airlines

Special offers and sales on air tickets from Istanbul to Gaziantep

We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.

We couldn't find any special offers for flights from Istanbul to Gaziantep

Alternative routes

Bucharest ➜ Gaziantep•Constanta ➜ Gaziantep•Eskisehir ➜ Gaziantep•Izmir ➜ Gaziantep•Kutahya ➜ Gaziantep•Plovdiv ➜ Gaziantep•Tekirdag ➜ Gaziantep•Varna ➜ Gaziantep•Bursa ➜ Gaziantep•Istanbul ➜ Adana•Istanbul ➜ Kayseri•Istanbul ➜ Beirut•Istanbul ➜ Damascus•Istanbul ➜ Diyarbakir•Istanbul ➜ Elazig•Istanbul ➜ Konya•Istanbul ➜ Malatya•Istanbul ➜ Tokat•Istanbul ➜ Sivas

•••••••••••••••••••

Cheapest one way flight

$43

Pegasus Airlines

Direct flight

1h 35m

05/28/2026

The cheapest one-way flight from Istanbul to Gaziantep departs on 05/28/2026, is operated by Pegasus Airlines and costs $43

Cheapest round trip flight

$65

Turkish Airlines

Direct flight

3h 35m

09/14/2026

The cheapest roundtrip flight from Istanbul to Gaziantep departs on 09/14/2026, is operated by Turkish Airlines and costs $65

The fastest flight