Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Killeen from £718

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GRK
15 Jun — 22 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Killeen

Enter your travel dates to find the best prices.

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

Sat 26/912:55
LHR
-
GRK
1 stop14h 14m
Multiple Airlines
Sat 3/1010:04
GRK
-
LHR
1 stop18h 51m
Multiple Airlines
Deal found 15/5£1,002
Tue 14/712:15
LHR
-
GRK
2 stops16h 12m
American Airlines
Mon 7/915:09
GRK
-
LHR
1 stop33h 11m
American Airlines
Deal found 15/5£1,013
Mon 27/714:25
LHR
-
GRK
1 stop15h 14m
American Airlines
Tue 13/1010:04
GRK
-
LHR
2 stops18h 11m
American Airlines
Deal found 14/5£1,068
Wed 3/612:55
LHR
-
GRK
1 stop15h 49m
Multiple Airlines
Mon 8/606:44
GRK
-
LHR
1 stop22h 11m
Multiple Airlines
Deal found 15/5£1,070
Tue 14/714:15
LHR
-
GRK
2 stops15h 24m
American Airlines
Wed 2/915:09
GRK
-
LHR
1 stop33h 11m
American Airlines
Deal found 15/5£1,073
Wed 29/708:15
LHR
-
GRK
2 stops21h 24m
American Airlines
Wed 14/1015:06
GRK
-
LHR
2 stops17h 24m
American Airlines
Deal found 14/5£1,102
Wed 29/708:15
LHR
-
GRK
2 stops21h 24m
American Airlines
Mon 12/1012:35
GRK
-
LHR
1 stop14h 25m
American Airlines
Deal found 14/5£1,105

Find flight deals from Heathrow to Killeen

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 May 2026.

Round-trip from

£1,002

One-way from

£718
26/9-3/10
  • 26/9-3/10
  • 2 total stops
  • 33h 05m total
  • London to Killeen
Search Deals
12/10
  • 12/10
  • 1 total stop
  • 26h 33m total
  • London to Killeen
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 May 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Killeen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Sat 26/9

12:55-21:09

1 stop14h 14m

Killeen Fort Hood Regional

Sat 3/10

10:04-10:55

1 stop18h 51m

£1,002

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 14/7

12:15-22:27

2 stops16h 12m

Killeen Fort Hood Regional

Mon 7/9

09:59-06:25

2 stops14h 26m

£1,073

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 28/7

08:55-22:27

1 stop19h 32m

Killeen Fort Hood Regional

Wed 14/10

19:22-12:50

1 stop11h 28m

£1,129

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 28/7

11:35-22:27

2 stops16h 52m

Killeen Fort Hood Regional

Mon 12/10

15:06-14:20

2 stops17h 14m

£1,130

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 16/6

08:15-18:51

2 stops16h 36m

Killeen Fort Hood Regional

Wed 26/8

07:00-06:15

2 stops17h 15m

£1,135

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Mon 27/7

10:30-22:27

2 stops17h 57m

Killeen Fort Hood Regional

Mon 12/10

19:22-12:50

1 stop11h 28m

£1,138

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 29/5

08:55-22:44

1 stop19h 49m

Killeen Fort Hood Regional

Fri 5/6

12:44-09:00

1 stop14h 16m

£1,160

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Wed 15/7

14:25-22:27

1 stop14h 02m

Killeen Fort Hood Regional

Thu 3/9

09:59-06:20

1 stop14h 21m

£1,182

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 31/7

08:55-18:54

1 stop15h 59m

Killeen Fort Hood Regional

Sat 17/10

19:22-12:50

1 stop11h 28m

£1,195
Fastest return journey

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Wed 29/7

12:55-19:26

1 stop12h 31m

Killeen Fort Hood Regional

Wed 14/10

15:06-10:55

1 stop13h 49m

£1,198

Flights are sorted by cheapest return flights first.

Deals found on 13/5

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Killeen

Have a flexible travel schedule? Discover the best time to fly to Killeen from Heathrow 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow 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 Heathrow?

    For a flight from London Heathrow to Killeen, you will be flying into Fort Hood Regional. Killeen Fort Hood Regional (GRK) is just 6.9 mi from the center of the city. Fort Hood Regional is the only Killeen airport and it handles 0 inbound flights from London Heathrow per day. 0 airlines have flights to Killeen Fort Hood Regional from London Heathrow on a regular basis.

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

    There are many flights that can get you from London Heathrow Airport to Killeen in 16h 12m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 4862 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

When you search for this flight from Heathrow to Killeen, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to Killeen from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Yes! Cheapflights helps users easily find flights from Heathrow to Killeen with no change fees.

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

Yes, Cheapflights offers price alerts on Heathrow to Killeen flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.