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$447+ Cheap flights from Killeen (GRK) to Heathrow (LHR)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/23. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — LHR
Mar 14 — Mar 211
Sat 3/14
Sat 3/21
1 adult, Economy
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Cheap flight deals from Killeen to Heathrow

Cheapest flights from Killeen to Heathrow
Explore the most affordable flight options available from Killeen to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 12, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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 11/236:49 pm
GRK
-
LHR
1 stop11h 26m
American Airlines
Sun 11/293:00 pm
LHR
-
GRK
1 stop14h 43m
American Airlines
Deal found 2/10$787
This Finnair deal was found by Cheapflights users on 2/8. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/143:06 pm
GRK
-
LHR
1 stop13h 49m
Multiple Airlines
Fri 7/2412:55 pm
LHR
-
GRK
1 stop16h 40m
Multiple Airlines
Deal found 2/8$942
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Sun 7/123:06 pm
GRK
-
LHR
2 stops17h 14m
American Airlines
Wed 7/2212:55 pm
LHR
-
GRK
1 stop15h 50m
American Airlines
Deal found 2/8$1,141
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Mon 7/137:24 pm
GRK
-
LHR
1 stop13h 01m
American Airlines
Thu 7/231:10 pm
LHR
-
GRK
2 stops16h 25m
American Airlines
Deal found 2/8$1,146
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Sun 7/123:06 pm
GRK
-
LHR
1 stop11h 54m
American Airlines
Tue 7/2112:55 pm
LHR
-
GRK
1 stop26h 37m
American Airlines
Deal found 2/8$1,178
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 7/1612:50 pm
GRK
-
LHR
1 stop11h 30m
American Airlines
Wed 7/2212:55 pm
LHR
-
GRK
1 stop15h 50m
American Airlines
Deal found 2/8$1,202
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 7/1612:50 pm
GRK
-
LHR
1 stop11h 30m
American Airlines
Fri 7/2412:55 pm
LHR
-
GRK
1 stop15h 50m
American Airlines
Deal found 2/8$1,232
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 7/1612:50 pm
GRK
-
LHR
1 stop11h 30m
American Airlines
Tue 7/2112:55 pm
LHR
-
GRK
1 stop26h 37m
American Airlines
Deal found 2/8$1,238
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Sun 7/123:06 pm
GRK
-
LHR
1 stop11h 54m
American Airlines
Mon 7/2712:55 pm
LHR
-
GRK
1 stop26h 37m
American Airlines
Deal found 2/8$1,248
This American Airlines deal was found by Cheapflights users on 2/8. 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.
Thu 7/1612:50 pm
GRK
-
LHR
1 stop11h 30m
American Airlines
Thu 7/2312:55 pm
LHR
-
GRK
1 stop15h 50m
American Airlines
Deal found 2/8$1,303

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 February 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$942
(Finnair)

One-way from

$447
(Finnair)
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.
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From Killeen Fort Hood Regional to London Heathrow
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One-way flight from Killeen Fort Hood Regional to London Heathrow
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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 February 12, 2026.
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

Tue 7/14

3:06 pm-10:55 am

1 stop13h 49m

London Heathrow

Fri 7/24

12:55 pm-11:35 pm

1 stop16h 40m

$942

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 7/15

3:06 pm-1:30 pm

2 stops16h 24m

London Heathrow

Wed 7/22

12:55 pm-10:45 pm

1 stop15h 50m

$1,141

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 7/14

3:06 pm-12:10 pm

1 stop15h 04m

London Heathrow

Wed 7/22

12:55 pm-10:45 pm

1 stop15h 50m

$1,142

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 7/15

3:06 pm-9:00 am

1 stop11h 54m

London Heathrow

Fri 7/24

10:05 am-11:35 pm

2 stops19h 30m

$1,146

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sun 7/12

12:50 pm-9:00 am

1 stop14h 10m

London Heathrow

Fri 7/24

10:05 am-10:45 pm

2 stops18h 40m

$1,146

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 7/14

3:06 pm-12:10 pm

1 stop15h 04m

London Heathrow

Fri 7/24

10:05 am-11:35 pm

2 stops19h 30m

$1,146

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 7/15

3:06 pm-9:00 am

1 stop11h 54m

London Heathrow

Thu 7/23

9:10 am-10:45 pm

2 stops19h 35m

$1,146

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 7/14

3:06 pm-9:00 am

1 stop11h 54m

London Heathrow

Tue 7/21

12:55 pm-9:32 am

1 stop26h 37m

$1,178

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sun 7/12

3:06 pm-9:00 am

1 stop11h 54m

London Heathrow

Tue 7/21

12:55 pm-9:32 am

1 stop26h 37m

$1,178

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Thu 7/16

12:50 pm-6:20 am

1 stop11h 30m

London Heathrow

Fri 7/24

12:55 pm-10:45 pm

1 stop15h 50m

$1,232

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 13 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Killeen-London Heathrow Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 $518). Flying from Killeen to London Heathrow Airport in June is currently the most expensive (average of $817). 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 $1,141, American Airlines can have you in London Heathrow Airport from Killeen in 16h 24m. 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 $518). Flying from Killeen to London Heathrow Airport in June is currently the most expensive (average of $817). 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
Croydon
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Northampton
Watford
Hayes
Borehamwood
Broadway
Aylesbury
Chipping Norton
Horley
Kingston upon Thames

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