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$1,658+ Cheap flights from Killeen (GRK) to Istanbul (IST)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — IST
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Killeen to Istanbul

Best flights from Killeen to Istanbul
Discover carefully curated flight deals from Killeen to Istanbul that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

This Qatar Airways deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/3012:31 pmGRK - IST
2 stops38h 49mQatar Airways
Tue 2/38:10 pmIST - GRK
2 stops31h 43mQatar Airways
Deal found 12/9$1,658
This lastminute.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/111:57 amGRK - IST
2 stops39h 23mQatar Airways
Sun 3/88:10 pmIST - GRK
2 stops33h 53mQatar Airways
Deal found 12/10$1,726

Find flight deals from Killeen to Istanbul

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) 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

Round-trip from

$1,658
(Qatar Airways)
Provider with most accurate pricing for Killeen Fort Hood Regional-Istanbul flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Istanbul flights.
Search Deals
From Killeen Fort Hood Regional to Istanbul
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Istanbul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Killeen to Istanbul Airport that are best for you.

Fly from

Killeen

Fly to

Istanbul

Route

Depart

Return

Price

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 1/30

12:31 pm-12:20 pm

2 stops38h 49m

Istanbul

Tue 2/3

8:10 pm-6:53 pm

2 stops31h 43m

$1,658

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sun 3/1

11:57 am-12:20 pm

2 stops39h 23m

Istanbul

Sun 3/8

8:10 pm-10:03 pm

2 stops33h 53m

$1,726

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Compare providers for flights from Killeen 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 Killeen to Istanbul in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 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 Killeen-Istanbul Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-Istanbul Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Killeen-Istanbul Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-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 Killeen-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 Killeen to Istanbul

Have a flexible travel schedule? Discover the best time to fly to Istanbul from Killeen 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 Killeen to Istanbul Airport

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

Currently, February is the cheapest month in which you can book a flight from Killeen to Istanbul Airport (average of $560). Flying from Killeen to Istanbul Airport in April is currently the most expensive (average of $1,078). 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.

Related info for your journey

Find useful and relevant information for your journey from Killeen 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 Killeen to Istanbul?

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to Istanbul. You should not have trouble finding flights to Istanbul from Fort Hood Regional; the airport handles an average of 0 outbound flights to Istanbul per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Killeen airport to Istanbul. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • How long is the flight from Killeen to Istanbul Airport?

    A quick flight from Killeen to Istanbul Airport can take about 38h 49m. Qatar Airways provides one of the quickest options available for as low as $1,658. The distance from Killeen to Istanbul Airport is about 6385 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Killeen 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 Killeen to Istanbul Airport?

    Currently, February is the cheapest month in which you can book a flight from Killeen to Istanbul Airport (average of $560). Flying from Killeen to Istanbul Airport in April is currently the most expensive (average of $1,078). 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.

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