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Cheap flights from Killeen to London from $863

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to London departing on 4/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Killeen to London

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:54 pm - 2:25 pm
GRK
-
LHR
16h 31m
1 stop
American Airlines Logo
2:25 pm - 9:52 pm
LHR
-
GRK
13h 27m
1 stop
$863American Airlines
Tue, Apr 14 - Tue, Apr 21
British Airways Logo
11:58 am - 9:05 am
GRK
-
LHR
15h 07m
2 stops
British Airways Logo
12:55 pm - 7:54 pm
LHR
-
GRK
12h 59m
1 stop
$1,044British Airways
Tue, Apr 14 - Tue, Apr 21
American Airlines Logo
10:05 am - 8:05 am
GRK
-
LHR
16h 00m
1 stop
American Airlines Logo
10:05 am - 11:46 pm
LHR
-
GRK
19h 41m
1 stop
$1,380American Airlines
Mon, Apr 13 - Fri, Apr 17

American Airlines flights from Killeen to London Heathrow Airport

Our best American Airlines deals on Killeen to London Heathrow Airport flight tickets
American Airlines
Apr 14
GRK3:54 pmKilleen Fort Hood Regional
16h 31m
1 stop
LHR2:25 pmLondon Heathrow
Apr 21
LHR2:25 pmLondon Heathrow
13h 27m
1 stop
GRK9:52 pmKilleen Fort Hood Regional
$863
American Airlines
Apr 13
GRK10:05 amKilleen Fort Hood Regional
16h 00m
1 stop
LHR8:05 amLondon Heathrow
Apr 17
LHR10:05 amLondon Heathrow
19h 41m
1 stop
GRK11:46 pmKilleen Fort Hood Regional
$1,380

momondo Fare Finder

 
Customize your flight search to find flights from Killeen to London Heathrow Airport 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, momondo users made 832,500 searches. Data last updated March 20, 2026.
Use the filters below to find and compare flights from Killeen to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 4/14

3:54 pm-2:25 pm

1 stop16h 31m

London Heathrow

Tue 4/21

2:25 pm-9:52 pm

1 stop13h 27m

$863
Quickest round-trip

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 4/14

11:58 am-9:05 am

2 stops15h 07m

London Heathrow

Tue 4/21

12:55 pm-7:54 pm

1 stop12h 59m

$1,044

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Mon 4/13

10:05 am-8:05 am

1 stop16h 00m

London Heathrow

Fri 4/17

10:05 am-11:46 pm

1 stop19h 41m

$1,380

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to London from

How to get the cheapest flight ticket from Killeen to London Heathrow Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What airlines fly to London Heathrow Airport?

British Airways, American Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Killeen according to our data. British Airways is the first choice among our users, with 68% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 8 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

When to book flights from Killeen to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Killeen to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Killeen to London Heathrow Airport (GRK to LHR) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Killeen to London Heathrow Airport

Fastest flight time

18h 50m

Direct flights

None
The fastest flight from Killeen to London Heathrow Airport takes 18h 50m
There are no direct flights from Killeen to London Heathrow Airport. There are no popular flight routes from Killeen to London Heathrow Airport.
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  • How far is Killeen Fort Hood Regional to London Heathrow by plane?

    There are 4855.2 mi between Killeen Fort Hood Regional and London Heathrow. Flights usually cover this in 18h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Killeen Fort Hood Regional Airport to London Heathrow Airport?

    Prices for flights from Killeen Fort Hood Regional Airport to London Heathrow Airport were last updated today.

  • How old do you have to be to fly from Killeen Fort Hood Regional Airport to London Heathrow Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Killeen Fort Hood Regional Airport to London Heathrow Airport.

  • What documentation or ID do you need to fly to London Heathrow Airport?

    The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Luton
Dover
Slough
Crawley
Stratford-upon-Avon
Wembley
Hayes
Dartford
Croydon
Harrow
Watford
Brentwood
Guildford
Stansted
Cobham
Folkestone
Romford

Why use momondo?

Why should I use momondo to find a flight deal from Killeen to London?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Killeen.

Can I find flights from Killeen to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Killeen which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Killeen to London?

Once all potential Killeen to London flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Killeen to London right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to London from Killeen. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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