Flight tickets from Gaziantep to Istanbul

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? If you want to travel next month, return fares start from ₹ 12,449. Find the lowest prices on one-way and return tickets right here.

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 May.

Direct flights from Gaziantep to Istanbul

Alternative Gaziantep to Istanbul routes

Looking for the cheapest, fastest or easiest route from Gaziantep to Istanbul? You could fly into the following airports instead.

Gaziantep to Istanbul: Flight information

The things to know before you go.
Cheapest flight found₹ 3,592
Cheapest month to flyMay
Average flight time1 hr, 50 mins
Most popular airlineTurkish Airlines
Average flights per week212

Finding cheap flights from Gaziantep to Istanbul: Frequently asked questions

There are 2 airports in Istanbul: Istanbul Sabiha and Istanbul.
The best price we found for a return flight from Gaziantep to Istanbul is ₹ 7,955. 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.
1 hour and 49 minutes is the average flight time from Gaziantep to Istanbul.
Turkish Airlines, Air Serbia and Pegasus Airlines fly direct from Gaziantep to Istanbul.
As of May 2026, there are 212 flights per week flying from Gaziantep to Istanbul.
The cheapest month to fly from Gaziantep to Istanbul is usually May.
If you're flying from Gaziantep Airport, the cheapest airport near Istanbul is Istanbul Sabiha – which is 30.3 km away from the centre of Istanbul. We've found flights into this airport from ₹ 7,955.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Gaziantep Airport to Istanbul on Thursday, 7 May 2026.
Yes – the average flight time is 1 hour and 49 minutes.
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.
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.
In May, the average temperature is usually around 17°C. August is typically the warmest month in Istanbul, when it usually averages around 27°C. You can expect the least rain in August. The coldest month is January, with temperatures averaging 4°C. The rainiest month is December.
Currently, AJet offers the cheapest flight tickets to Istanbul.

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

  • The average duration of a direct flight from Gaziantep Oguzeli International Airport to Istanbul is 1 hour 45 minutes.

  • Gaziantep (the location of Gaziantep Oguzeli International Airport) and Istanbul follow the same timezone — UTC+3.

  • Gaziantep Oguzeli International Airport (GZT) to Istanbul Airport (IST) is the most popular route, with 63 weekly flights to pick from. If you have things to do before leaving, the last flight from GZT to IST is with Turkish Airlines at 23:40. Go for the first departure operated by Turkish Airlines at 02:40 if you want to get on your way earlier.

  • Give yourself plenty of time to get on your GZT to Istanbul flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer queues in popular months like August. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a wise move.

  • You can book a direct Gaziantep Oguzeli International Airport to Istanbul ticket. Start your trip at GZT and arrive at Istanbul Airport (IST).

  • Pick from a variety of carriers offering direct flights from Gaziantep Oguzeli International Airport to Istanbul. Reserve your trip with one of these:

  • Travelling from central Gaziantep to GZT takes about 50 minutes by public transport. If you drive, ride-share or get a taxi, you'll cover the 16 kilometres in 30 minutes or so, depending on traffic.

  • When it comes to Gaziantep Oguzeli International Airport's on-time performance, 76% of flights meet their scheduled arrival time.

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

  • ₹ 3,592 is the cheapest price we've found for a one-way Gaziantep Oguzeli International Airport to Istanbul flight. A round-trip plane ticket right now is ₹ 7,955. Depending on the availability when you book, these fares may change.

  • Don't wait until the last moment. You're more likely to find cheap flights from GZT to Istanbul if you book ahead. Airlines often have some fantastic early bird discounts.

  • If you can be flexible with your travel plans, try using the 'Whole month' search tool. It'll find the cheapest price across each month when searching for your Gaziantep Oguzeli International Airport to Istanbul ticket.

  • Save time looking for cheap flights from GZT to Istanbul by creating a Price Alert. You'll receive an email or notification through the app when a lower fare becomes available.

  • Pick your ideal departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Gaziantep Oguzeli International Airport to Istanbul by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Istanbul

Istanbul Airport (IST)

  • The distance from Istanbul Airport (IST) to central Istanbul is roughly 40 kilometres. It takes around 45 minutes to get to the centre driving.

  • Getting to the centre by public transport typically takes 1 hour 10 minutes.

  • If you have a late flight from Gaziantep Oguzeli International Airport to Istanbul, few things beat the convenience of staying close to the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near IST:

  • Reserving your vehicle from Istanbul Airport around two weeks before your flight from GZT to Istanbul can help you lock in the lowest rate.

Istanbul Sabiha Gokcen International Airport (SAW)

  • Istanbul Sabiha Gokcen International Airport (SAW) is roughly 48 kilometres from central Istanbul. Once you've disembarked your flight from Gaziantep Oguzeli International Airport to Istanbul, it'll take you around 1 hour 5 minutes to get to the heart of the city in a taxi or ride-share.

  • The journey will take roughly 1 hour 40 minutes on public transport.

  • Place the 'Do not disturb' sign on your door and unwind at a hotel near SAW. Here are a few options where you can take a load off after your GZT to Istanbul flight:

  • Get what you want, not just what's left over. Reserving your ride from SAW four weeks in advance often means more savings and a greater range of vehicles.

Best time to go to Istanbul

  • August is the most popular month for flights from Gaziantep Oguzeli International Airport to Istanbul. To skip the crowds, visit Istanbul in February.

  • The warmest month in Istanbul is July, with temperatures ranging between 21ºC and 30ºC. Book your Gaziantep Oguzeli International Airport to Istanbul plane ticket then if this is the type of weather you enjoy.

  • January has average temperatures of between 2ºC and 11ºC. Search for a cheap ticket from GZT to Istanbul around that time if you'd rather travel in cooler conditions.

More about Istanbul

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Istanbul right here. Browse these options as soon as you've booked your flight from Gaziantep Oguzeli International Airport to Istanbul:

  • Historic Areas of Istanbul and Hagia Sophia Museum are just two of the leading attractions to add to your Istanbul must-do list. Keep the momentum going by heading to Hagia Sophia History Museum.

Explore more of Türkiye (Turkey)

  • Ankara is just one of the many cities in Türkiye (Turkey) waiting to be explored once you've seen Istanbul. Around 354 kilometres away to the east, its top attractions include The Roman Theatre, Kocatepe Mosque (Kocatepe Camii) and Museum of Anatolian Civilizations.

  • Around 322 kilometres southwest of Istanbul, Izmir is another favourite stop in Türkiye (Turkey). Experience this destination's highlights firsthand at Aegean Coast, Smyrna Basilika and Ataturk Konak Square.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.