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

GZT — IST
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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1. Tell us where you want to go

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2. Select your favorite providers

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Find flight deals from Gaziantep to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Gaziantep (GZT) to Istanbul (IST). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

April

Cheapest in

March

Average price

$96

Good round-trip deal

$374 or less

Good one-way deal

$77 or less
Provider with most accurate pricing for Gaziantep-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Gaziantep-Istanbul flights.
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Highest demand for flights based on searches. 4% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Gaziantep to Istanbul.
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Price to beat on a one-way flight from Gaziantep to Istanbul.
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Compare providers for flights from Gaziantep to Istanbul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Gaziantep to Istanbul in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Gaziantep-Istanbul Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Gaziantep-Istanbul Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Gaziantep-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Gaziantep-Istanbul Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Gaziantep-Istanbul Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Gaziantep to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Gaziantep with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Gaziantep to Istanbul Airport

What is the cheapest month to book a flight from Gaziantep to Istanbul Airport?

Currently, March is the cheapest month in which you can book a flight from Gaziantep to Istanbul Airport (average of $47). Flying from Gaziantep to Istanbul Airport in August is currently the most expensive (average of $107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from GZT to IST?

Find hourly flight availability from Gaziantep to Istanbul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Gaziantep to Istanbul Airport as you normally would.

Reviews of airlines servicing Istanbul

Get insights into the airlines that provide service to Istanbul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Istanbul. Reviews last updated December 12, 2025.
Peruse reviews from past customers who have flown with Turkish Airlines and Pegasus Airlines from Gaziantep to Istanbul Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Turkish Airlines
7.3
Good
4,090 reviews

Entertainment

7.4

Food

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Overall

7.3

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Turkish Airlines
7.3
Good
4,090 reviews
Turkish Airlines
7.3
Good
4,090 reviews

Entertainment

7.4

Food

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Overall

7.3

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.
Pegasus Airlines
6.7
Okay
635 reviews
Turkish Airlines
7.3
Good
4,090 reviews

Entertainment

7.4

Food

7.4

Boarding

7.3

Comfort

7.3

Crew

7.8

Overall

7.3

Reviews

1 / 20
6.0
Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

Related info for your journey

Find useful and relevant information for your journey from Gaziantep to Istanbul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Gaziantep to Istanbul?

    Gaziantep (GZT), located 9.4 mi from the city center, is the airport you fly out of when you book flights from Gaziantep to Istanbul. 3 airlines have flights from Gaziantep to Istanbul on a regular basis. Booking flights from Gaziantep to Istanbul should not be difficult; the airport handles an average of 13 outbound flights to Istanbul per day.

  • What are the cheapest airlines flying from Gaziantep to Istanbul Airport round-trip?

    Currently priced at $49, Pegasus Airlines will fly you from Gaziantep to Istanbul Airport and back. In addition to Pegasus Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Ajet and Turkish Airlines - these airlines can fly you to your destination from $51 and $103, respectively. You may be able to fly from Gaziantep to Istanbul Airport for 58% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Gaziantep to Istanbul Airport one-way?

    The cheapest airlines for a one-way flight from Gaziantep to Istanbul Airport are Ajet ($25), Pegasus Airlines ($35), and Turkish Airlines ($54).

  • What are the most reliable airlines from Gaziantep to Istanbul Airport?

    The top 3 most reliable airlines when flying from Gaziantep to Istanbul Airport are Singapore Airlines (97%), Royal Jordanian (90%) and Air Serbia (89%).

  • Can I find deals for flights from Gaziantep to Istanbul that include hotel bookings?

    Yes. In addition to deals on Gaziantep to Istanbul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Gaziantep to Istanbul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Gaziantep to Istanbul.

  • Can I find deals for business class flights from Gaziantep to Istanbul?

    Yes. Cheapflights offers flight deals from Gaziantep to Istanbul by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Gaziantep to Istanbul Airport?

    Currently, March is the cheapest month in which you can book a flight from Gaziantep to Istanbul Airport (average of $47). Flying from Gaziantep to Istanbul Airport in August is currently the most expensive (average of $107). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Gaziantep to Istanbul

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Top 3 airlines flying from Gaziantep to Istanbul

Discover the top 3 airlines that operate flights from Gaziantep to Istanbul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Pegasus AirlinesCheapest$49Average$105FlexibilityNo cancel feeOn-time82%
AjetCheapest$51Average$118FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$103Average$148FlexibilityNo cancel feeOn-time77%

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