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Cheap flights from London to Killeen from £1,409

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GRK
18 Mar — 25 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Killeen

Enter your travel dates to find the best prices.

Cheapest flights from London to Killeen
Explore the most affordable flight options available from London to Killeen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 February 2026.

Wed 6/513:35
LHR
-
GRK
2 stops16h 11m
American Airlines
Tue 12/510:05
GRK
-
LHR
2 stops14h 40m
American Airlines
Deal found 13/2£1,409
Mon 4/512:30
LHR
-
GRK
2 stops17h 16m
American Airlines
Wed 13/510:05
GRK
-
LHR
2 stops17h 05m
American Airlines
Deal found 13/2£1,415
Sat 16/509:55
LHR
-
GRK
2 stops17h 57m
American Airlines
Tue 19/510:05
GRK
-
LHR
2 stops14h 40m
American Airlines
Deal found 13/2£1,524
Sat 16/511:35
LHR
-
GRK
2 stops18h 11m
American Airlines
Wed 20/513:08
GRK
-
LHR
2 stops15h 07m
American Airlines
Deal found 13/2£1,570
Thu 23/714:00
LHR
-
GRK
2 stops15h 35m
American Airlines
Tue 28/712:50
GRK
-
LHR
2 stops15h 30m
American Airlines
Deal found 13/2£1,812
Thu 23/712:55
LHR
-
GRK
1 stop26h 37m
Multiple Airlines
Mon 27/710:02
GRK
-
LHR
1 stop18h 53m
Multiple Airlines
Deal found 13/2£1,819
Fri 24/712:55
LHR
-
GRK
1 stop15h 50m
American Airlines
Tue 28/712:50
GRK
-
LHR
2 stops14h 15m
American Airlines
Deal found 13/2£1,822
Thu 7/512:55
LHR
-
GRK
1 stop14h 57m
American Airlines
Wed 13/519:09
GRK
-
LHR
1 stop13h 16m
American Airlines
Deal found 13/2£1,865
Thu 7/512:55
LHR
-
GRK
1 stop14h 57m
American Airlines
Sat 9/519:09
GRK
-
LHR
1 stop29h 11m
American Airlines
Deal found 13/2£1,895
Mon 4/516:25
LHR
-
GRK
1 stop13h 21m
American Airlines
Sun 10/519:09
GRK
-
LHR
1 stop30h 56m
American Airlines
Deal found 13/2£2,263
Sun 3/516:25
LHR
-
GRK
1 stop13h 21m
American Airlines
Mon 11/519:09
GRK
-
LHR
1 stop13h 16m
American Airlines
Deal found 13/2£2,293

Find flight deals from London to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Killeen (GRK). 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 16 February 2026.

Round-trip from

£1,409
American Airlines
  • American Airlines
  • 6/5-12/5
  • 4 total stops
  • 30h 51m total
  • London to Killeen
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Killeen 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 858,174 searches. Data last updated 16 February 2026.
Use the filters below to find and compare flights from London to Killeen that are best for you.

Fly from

London

Fly to

Killeen

Route

Depart

Return

Price

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Wed 6/5

12:55-21:52

1 stop14h 57m

Killeen Fort Hood Regional

Wed 13/5

10:05-09:10

2 stops17h 05m

£1,409

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Wed 6/5

13:10-23:46

2 stops16h 36m

Killeen Fort Hood Regional

Mon 11/5

10:05-09:30

2 stops17h 25m

£1,409

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Wed 6/5

12:55-21:52

1 stop14h 57m

Killeen Fort Hood Regional

Tue 12/5

15:54-12:25

2 stops14h 31m

£1,409

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Sat 16/5

09:55-21:52

2 stops17h 57m

Killeen Fort Hood Regional

Tue 19/5

10:05-06:45

2 stops14h 40m

£1,524

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Sun 17/5

11:00-23:46

2 stops18h 46m

Killeen Fort Hood Regional

Wed 20/5

13:08-10:15

2 stops15h 07m

£1,570

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Sat 16/5

11:35-23:46

2 stops18h 11m

Killeen Fort Hood Regional

Wed 20/5

13:08-10:15

2 stops15h 07m

£1,570

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Thu 23/7

14:00-23:35

2 stops15h 35m

Killeen Fort Hood Regional

Mon 27/7

07:00-10:55

1 stop21h 55m

£1,812

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Thu 23/7

14:00-23:35

2 stops15h 35m

Killeen Fort Hood Regional

Tue 28/7

12:50-10:55

1 stop16h 05m

£1,812

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Thu 23/7

12:55-09:32

1 stop26h 37m

Killeen Fort Hood Regional

Mon 27/7

10:02-10:55

1 stop18h 53m

£1,819

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 24/7

12:55-22:45

1 stop15h 50m

Killeen Fort Hood Regional

Tue 28/7

15:06-10:55

1 stop13h 49m

£1,822

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 12 results
1
2

Best time to book a flight from London to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from London with our price prediction graph.
Estimated return 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 London to Killeen

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

Currently, September is the cheapest month in which you can book a flight from London to Killeen (average of £439). Flying from London to Killeen in July is currently the most expensive (average of £544). 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 London to Killeen. 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 into for flights to Killeen from London?

    Located just 6.9 mi from the city center, Killeen Fort Hood Regional is the airport most travelers will use when flying to Killeen from London. Booking flights from London to Fort Hood Regional (GRK) should be relatively easy as there are 0 daily inbound flights from London from 0 different airlines.

  • How long is the flight from London to Killeen?

    Departing from London to Killeen will take you 14h 57m. Airlines will cover a distance of 4862 mi.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from London to Killeen (average of £439). Flying from London to Killeen in July is currently the most expensive (average of £544). 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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Fly with Cheapflights

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How does Cheapflights help users find flights from London to Killeen?

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Why should you use Cheapflights to find cheap flight tickets from London to Killeen?

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Can Cheapflights find flights from London to Killeen with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Killeen, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Killeen become cheaper?

Yes! Start tracking prices for London to Killeen flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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