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

For as low as £726, American Airlines can have you in London Heathrow Airport from Killeen in 15h 50m. There are 4862 mi between Killeen and London Heathrow Airport. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

When flying from Killeen to London Heathrow Airport, 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 from for flights from Killeen to London Heathrow?

For a flight from Killeen to London Heathrow, you will be flying from 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 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Killeen Fort Hood Regional on a regular basis.

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 holiday 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.

£416+ Cheap Flights from Killeen to London Heathrow Airport

Cheap flight deals from Killeen to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

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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 30 September 2026.

Sun 25/1010:00 -

1 stop15h 50m

Sun 1/1113:50 -

1 stop13h 19m

Deal found 27/9£726

Thu 29/1012:28 -

1 stop16h 32m

Thu 5/1110:05 -

1 stop19h 39m

Deal found 29/9£727

Thu 29/1010:00 -

2 stops15h 50m

Thu 5/1114:45 -

1 stop14h 59m

Deal found 29/9£782

Sun 25/1012:28 -

1 stop18h 47m

Sun 1/1109:35 -

2 stops20h 09m

Deal found 27/9£793

Tue 6/1015:16 -

1 stop13h 39m

Fri 30/1010:05 -

1 stop15h 47m

Deal found 27/9£804

Tue 24/1112:29 -

1 stop13h 46m

Mon 30/1113:50 -

1 stop13h 21m

Deal found 28/9£843

Fri 16/1015:16 -

1 stop13h 39m

Wed 4/1114:45 -

1 stop14h 59m

Deal found 28/9£846

Tue 6/1015:16 -

1 stop13h 39m

Fri 30/1012:10 -

2 stops16h 26m

Deal found 27/9£865

Find flight deals from Killeen to Heathrow

Round-trip from	£726
One-way from	£416

American Airlines
25/10-1/11
2 total stops
29h 09m total
Killeen to London

Search Deals

27/11-31/12
1 total stop
20h 15m total
Killeen to London

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Killeen to London Heathrow Airport that are best for you.

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Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Fri 27/11

10:00-12:15

1 stop20h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£416

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Sun 25/10

10:00-06:50

1 stop15h 50m

London Heathrow

Sun 1/11

13:50-21:09

1 stop13h 19m

£726

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Sun 25/10

12:28-12:15

1 stop18h 47m

London Heathrow

Sun 1/11

09:35-23:44

2 stops20h 09m

£793

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Tue 24/11

12:29-08:15

1 stop13h 46m

London Heathrow

Mon 30/11

13:50-21:11

1 stop13h 21m

£843

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Fri 16/10

15:16-10:55

1 stop13h 39m

London Heathrow

Wed 4/11

14:45-23:44

1 stop14h 59m

£846

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Tue 24/11

12:29-10:10

2 stops15h 41m

London Heathrow

Mon 30/11

10:20-18:15

2 stops37h 55m

£906

KilleenLondon

GRK Killeen Fort Hood Regional - LHR London Heathrow

GRKLHR

Killeen Fort Hood Regional

Tue 13/10

15:16-10:55

1 stop13h 39m

London Heathrow

Fri 16/10

08:55-20:52

1 stop17h 57m

£920

Flights are sorted by cheapest return flights first.

Deals found on 25/9

Sorted by cheapest first

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.

GRK-LHR

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 from for flights from Killeen to London Heathrow?
For a flight from Killeen to London Heathrow, you will be flying from 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 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Killeen Fort Hood Regional on a regular basis.
How long is the flight from Killeen to London Heathrow Airport?
For as low as £726, American Airlines can have you in London Heathrow Airport from Killeen in 15h 50m. There are 4862 mi between Killeen and London Heathrow Airport. This flight may include one or multiple stops.
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 holiday 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.

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Cheap flights from Killeen to London Heathrow Airport from £416

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Killeen to Heathrow

Cheapest flights from Killeen to HeathrowExplore 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 30 September 2026.

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 30 September 2026.

Best flights from Killeen to HeathrowDiscover carefully curated flight deals from Killeen to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Discover carefully curated flight deals from Killeen to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Killeen to HeathrowDiscover last-minute flight deals from Killeen to Heathrow. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Killeen to Heathrow. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Killeen to HeathrowSearch for one-way flight options from Killeen to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Killeen to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

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Best time to book a flight from Killeen to Heathrow

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Related info for your journey

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

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

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

How can I find direct flights from Killeen to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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.

Alternative routes for Killeen to Heathrow

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Complete your trip

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Direct flights to England

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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 30 September 2026.

Best flights from Killeen to Heathrow
Discover carefully curated flight deals from Killeen to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 September 2026.

Last-minute flights from Killeen to Heathrow
Discover last-minute flight deals from Killeen to Heathrow. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Killeen to Heathrow
Search for one-way flight options from Killeen to Heathrow. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.