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$1,184+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — IST
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,184
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-Istanbul flight deals.
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Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-Istanbul flights.
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From Killeen Fort Hood Regional to Istanbul
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Find flight deals from Killeen to Istanbul

Cheapest flights from Killeen to Istanbul
Explore the most affordable flight options available from Killeen to Istanbul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This American Airlines deal was found by Cheapflights users on 10/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/145:05 amGRK - IST
2 stops27h 20mAmerican Airlines
Tue 11/182:55 pmIST - GRK
2 stops40h 26mAmerican Airlines
Deal found 10/25$1,184
This lastminute.com deal was found by Cheapflights users on 10/27. 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.
Wed 11/1211:52 amGRK - IST
2 stops39h 28mQatar Airways
Sun 11/168:10 pmIST - GRK
2 stops52h 30mQatar Airways
Deal found 10/27$1,813
This Qatar Airways deal was found by Cheapflights users on 10/27. 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 12/196:32 pmGRK - IST
2 stops63h 08mQatar Airways
Sun 1/48:10 pmIST - GRK
2 stops30h 46mQatar Airways
Deal found 10/27$4,936
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:32 pmGRK - IST
2 stops37h 53mAmerican Airlines
Sat 1/37:35 amIST - GRK
2 stops45h 58mAmerican Airlines
Deal found 10/27$5,033
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:00 pmGRK - IST
2 stops23h 35mAmerican Airlines
Sat 1/37:35 amIST - GRK
2 stops23h 54mAmerican Airlines
Deal found 10/27$6,171

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 October 28, 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 11/14

5:05 am-5:25 pm

2 stops27h 20m

Istanbul

Tue 11/18

2:55 pm-10:21 pm

2 stops40h 26m

$1,184

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Wed 11/12

11:52 am-12:20 pm

2 stops39h 28m

Istanbul

Sun 11/16

8:10 pm-3:40 pm

2 stops52h 30m

$1,813

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-3:48 pm

2 stops51h 38m

$1,847

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 12/19

6:32 pm-6:40 pm

2 stops63h 08m

Istanbul

Sun 1/4

8:10 pm-5:56 pm

2 stops30h 46m

$4,936

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sat 12/20

6:32 pm-12:20 pm

2 stops56h 48m

Istanbul

Sun 1/4

1:50 pm-5:56 pm

2 stops37h 06m

$4,936

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sat 12/20

6:32 pm-5:25 pm

2 stops37h 53m

Istanbul

Sat 1/3

7:35 am-8:33 pm

2 stops45h 58m

$5,033

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 12/19

4:00 pm-12:35 am

2 stops23h 35m

Istanbul

Sat 1/3

7:35 am-10:29 pm

2 stops23h 54m

$6,171

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 12/19

6:32 pm-6:40 pm

2 stops63h 08m

$2,678

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sat 12/20

6:32 pm-12:20 pm

2 stops56h 48m

$2,764

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

  • 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, December is the cheapest month in which you can book a flight from Killeen to Istanbul Airport (average of $625). Flying from Killeen to Istanbul Airport in April is currently the most expensive (average of $1,079). 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 27h 20m. American Airlines provides one of the quickest options available for as low as $1,184. The distance from Killeen to Istanbul Airport is about 6385 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, December is the cheapest month in which you can book a flight from Killeen to Istanbul Airport (average of $625). Flying from Killeen to Istanbul Airport in April is currently the most expensive (average of $1,079). 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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