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$1,677+ Cheap flights from Killeen (GRK) to Istanbul

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
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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 February 6, 2026.

This lastminute.com deal was found by Cheapflights users on 2/3. 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 3/88:10 pm
IST
-
GRK
2 stops33h 53m
Qatar Airways
Deal found 2/3$1,677
This Qatar Airways deal was found by Cheapflights users on 2/2. 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 2/512:31 pm
GRK
-
IST
2 stops38h 49m
Qatar Airways
Mon 2/91:50 pm
IST
-
GRK
2 stops38h 03m
Qatar Airways
Deal found 2/2$1,854
This IEagle deal was found by Cheapflights users on 2/4. 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 6/123:06 pm
GRK
-
IST
2 stops36h 49m
Qatar Airways
Sat 6/278:05 pm
IST
-
GRK
2 stops24h 15m
Qatar Airways
Deal found 2/4$2,243

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 (TR5). 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 February 6, 2026.

Round-trip from

$1,677
(lastminute.com)
From Killeen Fort Hood Regional to Istanbul
Search Deals

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 February 6, 2026.
Use the filters below to find and compare flights from Killeen to Istanbul 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

8:10 pm-10:03 pm

2 stops33h 53m

$1,677

KilleenIstanbul

GRK - IST

GRKIST

Killeen Fort Hood Regional

Fri 6/12

3:06 pm-11:55 am

2 stops36h 49m

Istanbul

Sat 6/27

8:05 pm-12:20 pm

2 stops24h 15m

$2,243

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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

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

Currently, February is the cheapest month in which you can book a flight from Killeen to Istanbul (average of $522). Flying from Killeen to Istanbul 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), located 6.9 mi from the city center, is the airport you fly out of when you book flights from Killeen to Istanbul. 0 airlines have flights from Fort Hood Regional to Istanbul on a regular basis. Booking flights from Killeen Fort Hood Regional to Istanbul should not be difficult; the airport handles an average of 0 outbound flights to Istanbul per day.

  • How long is the flight from Killeen to Istanbul?

    Qatar Airways can get you from Killeen to Istanbul in just under 39h 12m. Your travel time can differ by up to . The distance from Killeen to Istanbul 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?

    Currently, February is the cheapest month in which you can book a flight from Killeen to Istanbul (average of $522). Flying from Killeen to Istanbul 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.

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