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£89 Cheap Flights from Gaziantep (GZT) to Istanbul (IST)

View £89 flight on Mon, 20 Jul 2026Opens in a new window

Flight 1

Popular airlines from Gaziantep (GZT-Oguzeli Intl.) to Istanbul Airport (IST)

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

Prices were available within the past 7 days and start at £89 for one-way flights and £212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Pegasus Airlines
Wed, 22 Jul - Tue, 28 Jul
GZT
Gaziantep
IST
Istanbul
£212 Return, found 4 days ago
£212
Return
found 4 days ago
Select Pegasus Airlines flight, departing Wed, 22 Jul from Gaziantep to Istanbul, returning Tue, 28 Jul, priced at £212 found 4 days ago
Turkish Airlines
Fri, 28 Aug - Fri, 4 Sept
GZT
Gaziantep
IST
Istanbul
£406 Return, found 1 day ago
£406
Return
found 1 day ago
Select Turkish Airlines flight, departing Fri, 28 Aug from Gaziantep to Istanbul, returning Fri, 4 Sept, priced at £406 found 1 day ago

Frequently asked questions

How much does a flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) cost?
You can find one-way and return flights from GZT to IST with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when GZT to IST ticket fares go up or down.
What is the cheapest month to fly from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
The cheapest months to fly from GZT to IST are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
Only one airline offers direct flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST). Turkish Airlines operates 70 direct flights from GZT to IST every week.
How do I find cheap flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
To find a cheap flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
The best airline to fly with from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) will differ from traveler to traveler. If you like to fly early, Pegasus Airlines offers early morning flights. If price is the most important factor, Pegasus Airlines typically offers the lowest fares. Ajet offers the most daily flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
You'll find approximately 10 nonstop flights per day from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST). For even more choices, look at flights that include layovers, as there are around 11 connecting flights per day. Some common connection points include Esenboga (ESB) and Adnan Menderes (ADB).
What is the earliest flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
The earliest flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) typically departs around 12:40 AM local time, operated by Pegasus Airlines. This is a seasonal service active in April. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
You'll typically find the most flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) on a Monday, with around 14 flights available. This gives you a good selection for your travel plans. Major airlines on this route include Turkish Airlines, Pegasus Airlines, and Ajet. Flight schedules are fairly consistent throughout the week, with only a slight variation in the number of flights on other days.
What are the most popular departure times for flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
The most popular departure times for flights from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) are in the afternoon, from 3pm to 6pm. Turkish Airlines offers flights during this window. Many travellers prefer this time as it allows for a productive morning before heading to the airport and an evening arrival in Istanbul.
How long does it take to fly from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
A non-stop flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) typically takes around 2 hours. This route covers a distance of approximately 893 kilometers. If you opt for a one-stop flight, your journey will usually take longer, averaging around 11 hours 50 minutes. Flights with two or more stops generally take about 6 hours 56 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility when planning your trip.
Can you fly business or first class from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
Yes, you can fly business class between GZT and IST. You can fly business class with Turkish Airlines.
How do I earn miles on a Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) flight with Expedia?
It's easy to earn miles on a Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Istanbul (IST) from Gaziantep (GZT)?
If you're planning to travel to Istanbul from Oguzeli Intl. (GZT), you typically fly into Istanbul Airport (IST) which offers international flights and connections. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) at the last minute?
Typically, booking a last minute flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) flight and hotel package?
Securing a Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST)?
If you booked your Gaziantep (GZT-Oguzeli Intl.) to Istanbul (IST) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Oguzeli Intl.
Destination airport
Istanbul
Airlines serving
Pegasus Airlines, Turkish Airlines
Return price
£212
Distance
887 km
Average flight time
1 hour 53 mins

Book with confidence

Compare flights from Gaziantep to Istanbul easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Gaziantep to Istanbul. Operating between them flights per day, 4 airlines cover the route. And fly direct, getting you to Istanbul in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Oguzeli Intl. to Istanbul.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Oguzeli Intl. (GZT) to Istanbul (IST)

The easiest way to view the best deals on flights from Gaziantep to Istanbul today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Oguzeli Intl. to Istanbul start at just £212 and range up to £406.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Gaziantep and Istanbul
  • booking your flight during July, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Gaziantep to Istanbul flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Oguzeli Intl. to Istanbul for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Gaziantep to Istanbul easily and book with confidence

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*Available to Expedia members.