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$926+ Cheap flights from Killeen (GRK) to the United Kingdom

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 7/29. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — LHR
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Find flight deals from Killeen to United Kingdom

Cheapest flights from Killeen to United Kingdom
Explore the most affordable flight options available from Killeen to United Kingdom. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/8. 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.
Wed 7/293:06 pmGRK - LHR
1 stop13h 49mAmerican Airlines
Mon 8/1012:55 pmLHR - GRK
1 stop12h 26mAmerican Airlines
Deal found 1/8$926

Best time to book a flight from Killeen to United Kingdom

Have a flexible travel schedule? Discover the best time to fly to United Kingdom 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 the United Kingdom

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

Currently, August is the cheapest month in which you can book a flight from Killeen to United Kingdom (average of $131). Flying from Killeen to United Kingdom in June is currently the most expensive (average of $750). 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 United Kingdom. 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 United Kingdom?

    Located just 6.9 mi from the city center, Killeen Fort Hood Regional (GRK) is the airport most travelers will use when flying to United Kingdom from Killeen.

  • What are the most popular routes from Killeen to United Kingdom?

    While some choose either Killeen Fort Hood Regional - London City or Killeen Fort Hood Regional - London Gatwick, Killeen Fort Hood Regional - Bristol is the most popular route from Killeen to United Kingdom.

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

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

  • How can I find direct flights from Killeen to United Kingdom?

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

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

    Yes. Cheapflights offers flight deals from Killeen to United Kingdom 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 United Kingdom?

    Currently, August is the cheapest month in which you can book a flight from Killeen to United Kingdom (average of $131). Flying from Killeen to United Kingdom in June is currently the most expensive (average of $750). 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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