Cheap Flights from Gaziantep (GZT) to Istanbul (IST)

Compare Gaziantep to Istanbul flight deals

Find the cheapest month or even day of the year to fly to Istanbul

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Flight deals from Gaziantep to Istanbul

Looking for a cheap last-minute deal or the best return flight from Gaziantep Airport to Istanbul Airport? If you want to travel next month, return fares start from $180. Find the lowest prices on one-way and return tickets right here.

Istanbul.$180 per passenger.Departing Tue, 4 Aug, returning Sun, 9 Aug.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Tue, 4 Aug, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sun, 9 Aug, arriving in Gaziantep.Price includes taxes and charges.From $180, select.

Istanbul.$191 per passenger.Departing Tue, 1 Dec, returning Wed, 9 Dec.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Tue, 1 Dec, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Wed, 9 Dec, arriving in Gaziantep.Price includes taxes and charges.From $191, select.

Istanbul.$192 per passenger.Departing Fri, 31 Jul, returning Sun, 9 Aug.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Fri, 31 Jul, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sun, 9 Aug, arriving in Gaziantep.Price includes taxes and charges.From $192, select.

Istanbul.$202 per passenger.Departing Fri, 7 Aug, returning Mon, 7 Sep.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Fri, 7 Aug, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Mon, 7 Sep, arriving in Gaziantep.Price includes taxes and charges.From $202, select.

Istanbul.$202 per passenger.Departing Tue, 11 Aug, returning Mon, 14 Dec.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Tue, 11 Aug, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Mon, 14 Dec, arriving in Gaziantep.Price includes taxes and charges.From $202, select.

Istanbul.$213 per passenger.Departing Tue, 5 Jan, returning Sat, 9 Jan.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Tue, 5 Jan, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sat, 9 Jan, arriving in Gaziantep.Price includes taxes and charges.From $213, select.

Istanbul.$213 per passenger.Departing Mon, 21 Dec, returning Thu, 7 Jan.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Mon, 21 Dec, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Thu, 7 Jan, arriving in Gaziantep.Price includes taxes and charges.From $213, select.

Istanbul.$217 per passenger.Departing Wed, 3 Feb, returning Wed, 10 Feb.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Wed, 3 Feb, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Wed, 10 Feb, arriving in Gaziantep.Price includes taxes and charges.From $217, select.

Istanbul.$223 per passenger.Departing Wed, 29 Jul, returning Fri, 31 Jul.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Wed, 29 Jul, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Fri, 31 Jul, arriving in Gaziantep.Price includes taxes and charges.From $223, select.

Istanbul.$226 per passenger.Departing Fri, 23 Oct, returning Sun, 1 Nov.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Fri, 23 Oct, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sun, 1 Nov, arriving in Gaziantep.Price includes taxes and charges.From $226, select.

Istanbul.$226 per passenger.Departing Sat, 28 Nov, returning Sun, 13 Dec.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Sat, 28 Nov, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sun, 13 Dec, arriving in Gaziantep.Price includes taxes and charges.From $226, select.

Istanbul.$226 per passenger.Departing Wed, 9 Sep, returning Thu, 10 Sep.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Wed, 9 Sep, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Thu, 10 Sep, arriving in Gaziantep.Price includes taxes and charges.From $226, select.

Istanbul.$226 per passenger.Departing Thu, 1 Oct, returning Sun, 4 Oct.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Thu, 1 Oct, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sun, 4 Oct, arriving in Gaziantep.Price includes taxes and charges.From $226, select.

Istanbul.$226 per passenger.Departing Wed, 30 Sep, returning Sun, 4 Oct.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Wed, 30 Sep, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sun, 4 Oct, arriving in Gaziantep.Price includes taxes and charges.From $226, select.

Istanbul.$237 per passenger.Departing Mon, 31 Aug, returning Sat, 3 Oct.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Mon, 31 Aug, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Sat, 3 Oct, arriving in Gaziantep.Price includes taxes and charges.From $237, select.

Istanbul.$237 per passenger.Departing Wed, 4 Nov, returning Thu, 5 Nov.Return flight with Turkish Airlines.Outbound direct flight with Turkish Airlines departs from Gaziantep on Wed, 4 Nov, arriving in Istanbul.Inbound direct flight with Turkish Airlines departs from Istanbul on Thu, 5 Nov, arriving in Gaziantep.Price includes taxes and charges.From $237, select.

Find the cheapest month to fly from Gaziantep to Istanbul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Gaziantep to Istanbul flights are currently cheapest in August.

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Direct flights from Gaziantep to Istanbul

Gaziantep to Istanbul: Alternative routes

Compare routes from Gaziantep to Istanbul below. You may find an airport to fly into that's cheaper, faster, or easier than Istanbul.

Istanbul Sabiha

30km from central Istanbul

ClosestCheapest

from $108

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Istanbul

34km from central Istanbul

from $180

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Gaziantep to Istanbul: Flight information

The things to know before you go.

Cheapest flight found	$180
Cheapest month to fly	August
Average flight time	1 hr, 55 mins
Most popular airline	Turkish Airlines
Average flights per week	187

Finding cheap flights from Gaziantep to Istanbul: Frequently asked questions

How much are return flights from Gaziantep to Istanbul?

The best price we found for a return flight from Gaziantep to Istanbul is $180. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

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

1 hour and 55 minutes is the average flight time from Gaziantep to Istanbul.

Which airlines fly direct from Gaziantep to Istanbul?

Turkish Airlines, Air Serbia and Singapore Airlines fly direct from Gaziantep to Istanbul.

How many flights are there a week from Gaziantep to Istanbul?

As of July 2026, there are 161 flights per week flying from Gaziantep to Istanbul.

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

The cheapest month to fly from Gaziantep to Istanbul is usually August.

Which upcoming date is cheapest to fly from Gaziantep Airport to Istanbul Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Gaziantep Airport to Istanbul Airport on Tuesday, 4 August 2026.

Can I get a direct flight from Gaziantep Airport to Istanbul Airport?

Yes – the average flight time is 1 hour and 55 minutes.

How can I find the best flight deal to Istanbul?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Istanbul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Istanbul?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Istanbul is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Gaziantep Airport to Istanbul with?

Currently, Turkish Airlines offers the cheapest flight tickets to Istanbul.

Flying from Gaziantep Airport (GZT) to Istanbul Airport (IST): what you need to know

The average length of a direct flight from Gaziantep Airport to Istanbul Airport is 1 hour 55 minutes.
Gaziantep and Istanbul share the same timezone, UTC+3.
Flights from GZT to IST start from 02:40 — the earliest with Turkish Airlines. The last departure is at 23:40 with Turkish Airlines. In total, you can take your pick of 63 weekly Gaziantep Airport to Istanbul Airport flights.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Show up at the airport on time to board your GZT to IST flight.
During popular months such as July, it's a good idea to get to the airport well in advance. Arrive two hours before a domestic departure and four hours ahead for international flights when you travel during peak periods in general.
Getting to Istanbul (and then discovering more of Türkiye (Turkey)!) is easy with Turkish Airlines. This popular carrier has direct flights from Gaziantep Airport to Istanbul Airport.
Turkish Airlines is the airline most travellers choose for this route.
If you want to explore another city along the way, just uncheck 'Direct flights only' when searching for your ticket from Gaziantep Airport to Istanbul Airport. These are the top stopovers between GZT and IST:
- Antalya Airport
- Izmir Airport
- Trabzon Airport

How to find the cheapest flights from Gaziantep Airport (GZT) to Istanbul Airport (IST)

The cheapest price we've seen for a one-way Gaziantep Airport to Istanbul Airport flight is $91. A round-trip plane ticket right now is $180. Depending on the availability and when you book, these fares could change.
To score cheap tickets from GZT to IST, book ahead. Airlines typically offer lower fares when flights are first made available.
May is the cheapest month for flights from Gaziantep Airport to Istanbul Airport. If you're looking to fly at a different time of year, the 'Whole month' tool will give you the lowest prices for every month.
Save time looking for cheap flights from GZT to IST by creating a Price Alert. You'll receive an email or notification on the app when fares go down.
Tailor your flights using filters. Choose your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Gaziantep Airport to Istanbul Airport.

Handy information about Gaziantep Airport (GZT)

When it comes to the on-time performance of Gaziantep Airport, 76% of flights complete their journey on time.
To get to Gaziantep Airport from central Gaziantep, it takes about 30 minutes if you're planning to drive. Of course, this depends on traffic. It's approximately 23 kilometres from the airport to the city centre.
Planning to catch public transport? You can expect a journey time of around 50 minutes.

Arriving at Istanbul Airport (IST)

If you're getting in on a late Gaziantep Airport to Istanbul Airport flight, nothing tops the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing soon after at one of these accommodation options near IST:
Go wherever you want, whenever you want with a Istanbul Airport rental car. Pick up a set of wheels from Hit, Avec car rentals or Eren Rent a Car and venture far and wide through Istanbul and beyond.
Lock in the best possible rate by reserving your ride from Istanbul Airport about two weeks ahead of your trip.

Getting from Istanbul Airport (IST) to central Istanbul

Istanbul Airport is roughly 40 kilometres from central Istanbul. The drive time takes about 45 minutes.
It typically takes 1 hour 10 minutes if you're travelling by public transport.

When to fly to Istanbul Airport (IST)

August is the busiest month for flights from Gaziantep Airport to Istanbul Airport. For a quieter experience, go to Istanbul in March.
The warmest month in Istanbul is July, with the temperature ranging between 21ºC (70ºF) and 30ºC (86ºF). Lock in your flights from Gaziantep Airport to Istanbul Airport in this month if you like this kind of weather.
January sees average temperatures of between 2ºC (36ºF) and 11ºC (52ºF). Search for cheap tickets from GZT to IST around that time if you'd rather travel in cooler conditions.

Explore more of Türkiye (Turkey)

You've done Istanbul, now it's time to explore other parts of Türkiye (Turkey). Journey about 354 kilometres east to Ankara to tick off its must-visit sights. From The Roman Theatre to Kocatepe Mosque (Kocatepe Camii) and Museum of Anatolian Civilizations, you'll have a full itinerary ahead.
Izmir is another standout destination in Türkiye (Turkey) and is around 322 kilometres south-west of Istanbul. No journey is complete without a visit to Aegean Coast, Smyrna Basilika and Ataturk Konak Square.