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$1,000+ Cheap flights from Killeen (GRK) to Heathrow (LHR)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — LHR
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Killeen to Heathrow

Best flights from Killeen to Heathrow
Discover carefully curated flight deals from Killeen to Heathrow that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 28, 2025.

This American Airlines deal was found by Cheapflights users on 12/28. 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 1/215:00 pmGRK - LHR
1 stop11h 00mAmerican Airlines
Mon 1/267:40 pmLHR - GRK
2 stops20h 25mAmerican Airlines
Deal found 12/28$1,000
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Mon 1/195:00 pmGRK - LHR
1 stop11h 00mAmerican Airlines
Mon 1/267:40 pmLHR - GRK
2 stops20h 25mAmerican Airlines
Deal found 12/28$1,000
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Sun 1/185:00 pmGRK - LHR
1 stop11h 00mAmerican Airlines
Mon 1/267:40 pmLHR - GRK
2 stops20h 25mAmerican Airlines
Deal found 12/28$1,000
This American Airlines deal was found by Cheapflights users on 12/28. 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.
Tue 1/205:00 pmGRK - LHR
1 stop11h 00mAmerican Airlines
Mon 1/267:40 pmLHR - GRK
2 stops20h 25mAmerican Airlines
Deal found 12/28$1,000
This American Airlines deal was found by Cheapflights users on 12/28. 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 1/175:00 pmGRK - LHR
1 stop31h 50mAmerican Airlines
Mon 1/267:40 pmLHR - GRK
2 stops20h 25mAmerican Airlines
Deal found 12/28$1,005

Find flight deals from Killeen to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to Heathrow (LHR). 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 December 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,000
(American Airlines)
Provider with most accurate pricing for Killeen Fort Hood Regional-London Heathrow flight deals.
Search Deals
Provider most trusted by Cheapflights users for Killeen Fort Hood Regional-London Heathrow flights.
Search Deals
From Killeen Fort Hood Regional to London Heathrow
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to Heathrow 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 December 28, 2025.
Use the filters below to find and compare flights from Killeen to London Heathrow Airport that are best for you.

Fly from

Killeen

Fly to

Heathrow

Route

Depart

Return

Price

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 1/21

5:00 pm-10:00 am

1 stop11h 00m

London Heathrow

Mon 1/26

7:40 pm-10:05 am

2 stops20h 25m

$1,000

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Mon 1/19

5:00 pm-10:00 am

1 stop11h 00m

London Heathrow

Mon 1/26

7:40 pm-10:05 am

2 stops20h 25m

$1,000

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sun 1/18

5:00 pm-10:00 am

1 stop11h 00m

London Heathrow

Mon 1/26

7:40 pm-10:05 am

2 stops20h 25m

$1,000

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 1/20

5:00 pm-10:00 am

1 stop11h 00m

London Heathrow

Mon 1/26

7:40 pm-10:05 am

2 stops20h 25m

$1,000

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sat 1/17

5:00 pm-6:50 am

1 stop31h 50m

London Heathrow

Mon 1/26

7:40 pm-10:05 am

2 stops20h 25m

$1,005

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/28

Compare providers for flights from Killeen to Heathrow

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Killeen to Heathrow in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Killeen-London Heathrow Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Killeen-London Heathrow Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Killeen-London Heathrow Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Killeen-London Heathrow 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-London Heathrow 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 Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow 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 London Heathrow Airport

What is the cheapest month to book a flight from Killeen to London Heathrow Airport?

Currently, October is the cheapest month in which you can book a flight from Killeen to London Heathrow Airport (average of $555). Flying from Killeen to London Heathrow Airport in June is currently the most expensive (average of $837). 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 Heathrow. 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 London Heathrow?

    If you book a flight to London Heathrow from Killeen, you will be flying from Fort Hood Regional, which is the city’s only airport. Killeen Fort Hood Regional (GRK) is located 6.9 mi from the center of Killeen. There are 0 flights from Fort Hood Regional to London Heathrow per day from 0 different airlines.

  • How long is the flight from Killeen to London Heathrow Airport?

    For as low as $1,000, American Airlines can have you in London Heathrow Airport from Killeen in 11h. Airlines will cover a distance of 4862 mi.

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

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

  • How can I find direct flights from Killeen to Heathrow?

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

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

    Yes. Cheapflights offers flight deals from Killeen to Heathrow 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 London Heathrow Airport?

    Currently, October is the cheapest month in which you can book a flight from Killeen to London Heathrow Airport (average of $555). Flying from Killeen to London Heathrow Airport in June is currently the most expensive (average of $837). 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

Traveling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Croydon
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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