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$3,825+ 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 12/19. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — IST
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

This Qatar Airways deal was found by Cheapflights users on 6/9. 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 12/194:50 pmGRK - IST
2 stops29h 15mQatar Airways
Mon 1/58:10 pmIST - GRK
2 stops32h 40mQatar Airways
Deal found 6/9$3,825

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 June 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

Tue 9/23

11:30 am-11:55 am

2 stops40h 25m

$5,350

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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, November is the cheapest month in which you can book a flight from Killeen to Istanbul Airport (average of $923). Flying from Killeen to Istanbul Airport in June is currently the most expensive (average of $1,374). 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.

Rainfall in Istanbul by month

Plan your trip to Istanbul by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Istanbul Airport ranges from 0.4 - 3.9 inches per month. December is typically the wettest month, when rainfall can reach 3.9 in. July is typically the driest time to visit Istanbul Airport when rainfall is around 0.4 in.

Temperature in Istanbul by month

Plan your trip to Istanbul by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Istanbul Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Qatar Airways
7.4
Good
3,584 reviews

Boarding

7.5

Comfort

7.4

Food

7.3

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines
Qatar Airways
7.4
Good
3,584 reviews
Qatar Airways
7.4
Good
3,584 reviews

Boarding

7.5

Comfort

7.4

Food

7.3

Overall

7.4

Entertainment

7.4

Crew

7.9

Reviews

1 / 20
10.0
Excellent

fa,May 2025

PHL - DOH

The best,the staff was experienced,cheerful, professional,I will use from now on more frequently American airlines

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.

  • 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, November is the cheapest month in which you can book a flight from Killeen to Istanbul Airport (average of $923). Flying from Killeen to Istanbul Airport in June is currently the most expensive (average of $1,374). 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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