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$1,688+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — IST
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap 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 January 27, 2026.

This lastminute.com deal was found by Cheapflights users on 1/27. 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.
Sun 3/16:28 pm
GRK
-
IST
2 stops39h 12m
Qatar Airways
Sun 3/81:50 pm
IST
-
GRK
2 stops33h 39m
Qatar Airways
Deal found 1/27$1,688
This Qatar Airways deal was found by Cheapflights users on 1/24. 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.
Thu 1/295:00 pm
GRK
-
IST
2 stops40h 40m
Qatar Airways
Mon 2/28:10 pm
IST
-
GRK
2 stops31h 43m
Qatar Airways
Deal found 1/24$1,911
This IEagle deal was found by Cheapflights users on 1/24. 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 IEagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/153:54 pm
GRK
-
IST
2 stops35h 21m
Qatar Airways
Mon 5/251:45 pm
IST
-
GRK
2 stops30h 35m
Qatar Airways
Deal found 1/24$2,101
This Qatar Airways deal was found by Cheapflights users on 1/24. 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.
Sat 5/167:09 pm
GRK
-
IST
2 stops32h 06m
Qatar Airways
Mon 5/251:45 pm
IST
-
GRK
2 stops30h 35m
Qatar Airways
Deal found 1/24$2,117
This Qatar Airways deal was found by Cheapflights users on 1/24. 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.
Thu 5/147:09 pm
GRK
-
IST
2 stops32h 06m
Qatar Airways
Tue 5/268:05 pm
IST
-
GRK
2 stops30h 49m
Qatar Airways
Deal found 1/24$2,146
This Qatar Airways deal was found by Cheapflights users on 1/24. 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.
Sat 5/161:08 pm
GRK
-
IST
2 stops38h 07m
Qatar Airways
Sun 5/248:05 pm
IST
-
GRK
2 stops24h 15m
Qatar Airways
Deal found 1/24$2,157
This Qatar Airways deal was found by Cheapflights users on 1/24. 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.
Thu 5/147:09 pm
GRK
-
IST
2 stops32h 06m
Qatar Airways
Sun 5/2411:40 am
IST
-
GRK
2 stops32h 40m
Qatar Airways
Deal found 1/24$2,186
This Qatar Airways deal was found by Cheapflights users on 1/24. 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 5/157:09 pm
GRK
-
IST
2 stops28h 06m
Qatar Airways
Sun 5/2411:40 am
IST
-
GRK
2 stops32h 40m
Qatar Airways
Deal found 1/24$2,226

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 January 27, 2026.

Most accurate provider

Ovago
2 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$1,688
(lastminute.com)
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 January 27, 2026.
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

Sun 3/1

6:28 pm-6:40 pm

2 stops39h 12m

Istanbul

Sun 3/8

1:50 pm-3:29 pm

2 stops33h 39m

$1,688

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 5/15

3:54 pm-11:15 am

2 stops35h 21m

Istanbul

Mon 5/25

1:45 pm-12:20 pm

2 stops30h 35m

$2,101

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sat 5/16

7:09 pm-11:15 am

2 stops32h 06m

Istanbul

Mon 5/25

1:45 pm-12:20 pm

2 stops30h 35m

$2,117

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sat 5/16

1:08 pm-11:15 am

2 stops38h 07m

Istanbul

Tue 5/26

8:05 pm-6:54 pm

2 stops30h 49m

$2,117

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Thu 5/14

3:54 pm-11:15 am

2 stops35h 21m

Istanbul

Mon 5/25

1:45 pm-12:20 pm

2 stops30h 35m

$2,146

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Thu 5/14

7:09 pm-11:15 am

2 stops32h 06m

Istanbul

Tue 5/26

8:05 pm-6:54 pm

2 stops30h 49m

$2,146

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Sat 5/16

1:08 pm-11:15 am

2 stops38h 07m

Istanbul

Sun 5/24

8:05 pm-12:20 pm

2 stops24h 15m

$2,157

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 5/15

7:09 pm-11:15 am

2 stops32h 06m

Istanbul

Tue 5/26

8:05 pm-6:54 pm

2 stops30h 49m

$2,186

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 5/15

7:09 pm-7:15 am

2 stops28h 06m

Istanbul

Sun 5/24

11:40 am-12:20 pm

2 stops32h 40m

$2,226

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

  • Most accurate provider: When it comes to deals on Killeen-Istanbul Airport flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Killeen-Istanbul Airport flight deals on Cheapflights vs. Ovago 90-95% 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 Ovago the most. Ovago 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 $521). Flying from Killeen to Istanbul Airport in May is currently the most expensive (average of $1,024). 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 39h 12m. Qatar Airways provides one of the quickest options available for as low as $1,688. 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 $521). Flying from Killeen to Istanbul Airport in May is currently the most expensive (average of $1,024). 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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