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 13h 32m. Fly via American Airlines to get the fastest option. Airlines will cover a distance of 4862 mi.

In terms of precipitation, rainfall in Killeen ranges from 37.0 - 113.0 inches per month. October is typically the wettest month, when rainfall can reach 113.0 mm. March is typically the driest time to visit Killeen when rainfall is around 37.0 mm.

If weather is an important factor for your trip to Killeen, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 8.0 C).

What is the cheapest time of day to fly from LHR to GRK?

When flying from London Heathrow Airport to Killeen, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

£638+ Cheap Flights from London Heathrow Airport to Killeen

Cheap flight deals from Heathrow to Killeen

Enter your travel dates to find the best prices.

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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 10 October 2026.

Mon 19/1010:30 -

2 stops19h 06m

Thu 29/1015:16 -

1 stop11h 59m

Deal found 9/10£1,339

Thu 22/1016:25 -

1 stop13h 11m

Wed 28/1015:16 -

1 stop11h 59m

Deal found 9/10£1,368

Thu 22/1016:25 -

1 stop13h 11m

Sat 31/1015:16 -

1 stop11h 59m

Deal found 9/10£1,398

Sat 17/1016:25 -

1 stop13h 11m

Sun 25/1019:02 -

1 stop32h 13m

Deal found 9/10£1,418

Sat 17/1016:25 -

1 stop13h 11m

Sat 31/1015:16 -

1 stop11h 59m

Deal found 9/10£1,448

Sun 18/1014:25 -

1 stop15h 11m

Wed 28/1015:16 -

1 stop11h 59m

Deal found 9/10£1,494

Sun 18/1014:25 -

1 stop15h 11m

Sat 31/1015:16 -

1 stop11h 59m

Deal found 9/10£1,523

Sat 12/1214:45 -

1 stop24h 40m

Sun 3/112:26 -

1 stop17h 49m

Deal found 6/10£1,557

Wed 2/1208:20 -

1 stop15h 51m

Thu 3/1218:43 -

1 stop11h 27m

Deal found 9/10£2,944

Find flight deals from Heathrow to Killeen

Round-trip from	£1,339
One-way from	£638

American Airlines
20/10-25/10
2 total stops
45h 24m total
London to Killeen

Search Deals

American Airlines
26/1-31/12
2 total stops
31h 49m total
London to Killeen

Search Deals

Cheapflights Fare Finder

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 London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Mon 25/1

12:50-14:39

2 stops31h 49m

Killeen Fort Hood Regional

Wed 31/12

00:00-07:00

Nonstop0h 00m

£638

Fastest return journey

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Tue 26/1

14:45-22:47

1 stop14h 02m

Killeen Fort Hood Regional

Wed 31/12

00:00-07:00

Nonstop0h 00m

£657

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Thu 28/1

12:45-12:00

2 stops29h 15m

Killeen Fort Hood Regional

Wed 31/12

00:00-07:00

Nonstop0h 00m

£679

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Thu 21/1

12:45-12:00

2 stops29h 15m

Killeen Fort Hood Regional

Wed 31/12

00:00-07:00

Nonstop0h 00m

£679

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Thu 21/1

14:45-22:47

1 stop14h 02m

Killeen Fort Hood Regional

Wed 31/12

00:00-07:00

Nonstop0h 00m

£699

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Sun 29/11

14:45-23:46

1 stop15h 01m

Killeen Fort Hood Regional

Wed 31/12

00:00-07:00

Nonstop0h 00m

£1,249

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Tue 20/10

11:00-18:32

1 stop13h 32m

Killeen Fort Hood Regional

Thu 29/10

12:28-06:50

1 stop13h 22m

£1,339

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Wed 21/10

16:25-23:36

1 stop13h 11m

Killeen Fort Hood Regional

Mon 26/10

12:28-08:15

1 stop14h 47m

£1,339

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Wed 21/10

16:25-23:36

1 stop13h 11m

Killeen Fort Hood Regional

Sun 25/10

19:02-08:15

1 stop32h 13m

£1,339

LondonKilleen

LHR London Heathrow - GRK Killeen Fort Hood Regional

LHRGRK

London Heathrow

Fri 23/10

16:25-23:36

1 stop13h 11m

Killeen Fort Hood Regional

Sun 25/10

19:02-08:15

1 stop32h 13m

£1,368

Flights are sorted by cheapest return flights first.

Deals found on 6/10

Showing 1-10 of 16 resultsSorted by cheapest first

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.

LHR-GRK

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

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 13h 32m. 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.

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Cheap flights from London Heathrow Airport to Killeen from £638

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Killeen

Cheapest flights from Heathrow to KilleenExplore 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 10 October 2026.

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 10 October 2026.

Best flights from Heathrow to KilleenDiscover carefully curated flight deals from Heathrow to Killeen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Discover carefully curated flight deals from Heathrow to Killeen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Heathrow to KilleenDiscover last-minute flight deals from Heathrow to Killeen. Data last updated 10 October 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Killeen. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Heathrow to KilleenSearch for one-way flight options from Heathrow to Killeen. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

Search for one-way flight options from Heathrow to Killeen. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.

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Best time to book a flight from Heathrow to Killeen

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Related info for your journey

What airport do you fly into for flights to Killeen from London Heathrow?

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

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

How can I find direct flights from Heathrow to Killeen?

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

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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 10 October 2026.

Best flights from Heathrow to Killeen
Discover carefully curated flight deals from Heathrow to Killeen that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 October 2026.

Last-minute flights from Heathrow to Killeen
Discover last-minute flight deals from Heathrow to Killeen. Data last updated 10 October 2026 and is based on user searches.

One-way flights from Heathrow to Killeen
Search for one-way flight options from Heathrow to Killeen. Find affordable one-way fares based on user searches. Data last updated 10 October 2026.