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Cheap flights from Killeen to London from $342

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Killeen to London departing on 9/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
3:09 pm - 10:55 am
GRK
-
LHR
13h 46m
1 stop
Multiple Airlines Logo
12:55 pm - 9:28 am
LHR
-
GRK
26h 33m
1 stop
$911Multiple Airlines
Mon, Aug 24 - Tue, Sep 1
American Airlines Logo
3:07 pm - 10:55 am
GRK
-
LHR
13h 48m
1 stop
American Airlines Logo
8:55 am - 10:44 pm
LHR
-
GRK
19h 49m
1 stop
$1,291American Airlines
Thu, Jun 4 - Thu, Jun 11
American Airlines Logo
7:13 am - 7:20 am
GRK
-
LHR
18h 07m
2 stops
American Airlines Logo
8:50 am - 10:44 pm
LHR
-
GRK
19h 54m
2 stops
$1,316American Airlines
Tue, May 19 - Wed, Jun 10
Multiple Airlines Logo
11:58 am - 6:20 am
GRK
-
LHR
12h 22m
1 stop
Multiple Airlines Logo
10:05 am - 11:38 pm
LHR
-
GRK
19h 33m
1 stop
$1,337Multiple Airlines
Tue, May 19 - Wed, Jun 10
British Airways Logo
11:58 am - 10:30 am
GRK
-
LHR
16h 32m
2 stops
British Airways Logo
12:55 pm - 10:44 pm
LHR
-
GRK
15h 49m
1 stop
$1,342British Airways
Tue, May 19 - Wed, Jun 17
American Airlines Logo
7:13 am - 7:20 am
GRK
-
LHR
18h 07m
2 stops
American Airlines Logo
1:20 pm - 10:44 pm
LHR
-
GRK
15h 24m
2 stops
$1,353American Airlines
Tue, May 19 - Tue, Jun 9
British Airways Logo
3:54 pm - 10:55 am
GRK
-
LHR
13h 01m
1 stop
British Airways Logo
1:20 pm - 10:44 pm
LHR
-
GRK
15h 24m
2 stops
$1,387British Airways
Tue, May 19 - Tue, Jun 16
American Airlines Logo
3:07 pm - 10:55 am
GRK
-
LHR
13h 48m
1 stop
American Airlines Logo
12:55 pm - 11:38 pm
LHR
-
GRK
16h 43m
1 stop
$1,435American Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
3:07 pm - 10:55 am
GRK
-
LHR
13h 48m
1 stop
Multiple Airlines Logo
12:55 pm - 11:39 pm
LHR
-
GRK
16h 44m
1 stop
$1,466Multiple Airlines
Tue, Jun 23 - Tue, Jul 14
Multiple Airlines Logo
6:44 am - 10:55 am
GRK
-
LHR
22h 11m
1 stop
Multiple Airlines Logo
12:55 pm - 10:27 pm
LHR
-
GRK
15h 32m
1 stop
$1,467Multiple Airlines
Tue, Jun 23 - Tue, Jul 14

American Airlines flights from Killeen to London Heathrow Airport

Our best American Airlines deals on Killeen to London Heathrow Airport flight tickets
American Airlines
May 14
GRK7:13 pmKilleen Fort Hood Regional
11h 37m
1 stop
LHR12:50 pmLondon Heathrow
May 28
LHR8:55 amLondon Heathrow
20h 43m
1 stop
GRK11:38 pmKilleen Fort Hood Regional
$1,208
American Airlines
May 12
GRK3:54 pmKilleen Fort Hood Regional
16h 01m
2 stops
LHR1:55 pmLondon Heathrow
May 26
LHR8:50 amLondon Heathrow
16h 01m
2 stops
GRK6:51 pmKilleen Fort Hood Regional
$1,265
American Airlines
May 13
GRK7:13 pmKilleen Fort Hood Regional
11h 37m
1 stop
LHR12:50 pmLondon Heathrow
May 27
LHR8:50 amLondon Heathrow
16h 32m
2 stops
GRK7:22 pmKilleen Fort Hood Regional
$1,266

British Airways flights from Killeen to London Heathrow Airport

Our best British Airways deals on Killeen to London Heathrow Airport flight tickets
British Airways
May 13
GRK7:13 pmKilleen Fort Hood Regional
11h 37m
1 stop
LHR12:50 pmLondon Heathrow
May 29
LHR12:15 pmLondon Heathrow
16h 29m
2 stops
GRK10:44 pmKilleen Fort Hood Regional
$1,286
British Airways
May 19
GRK11:58 amKilleen Fort Hood Regional
16h 32m
2 stops
LHR10:30 amLondon Heathrow
Jun 17
LHR12:55 pmLondon Heathrow
15h 49m
1 stop
GRK10:44 pmKilleen Fort Hood Regional
$1,342
British Airways
May 19
GRK3:54 pmKilleen Fort Hood Regional
13h 01m
1 stop
LHR10:55 amLondon Heathrow
Jun 16
LHR1:20 pmLondon Heathrow
15h 24m
2 stops
GRK10:44 pmKilleen Fort Hood Regional
$1,387

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 May 9, 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

Mon 8/24

3:09 pm-10:55 am

1 stop13h 46m

London Heathrow

Tue 9/1

12:55 pm-9:28 am

1 stop26h 33m

$911

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Thu 6/4

3:07 pm-10:55 am

1 stop13h 48m

London Heathrow

Thu 6/11

8:55 am-10:44 pm

1 stop19h 49m

$1,291

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 5/19

7:13 am-7:20 am

2 stops18h 07m

London Heathrow

Wed 6/10

8:50 am-10:44 pm

2 stops19h 54m

$1,316

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 5/19

11:58 am-6:20 am

1 stop12h 22m

London Heathrow

Wed 6/10

10:05 am-11:38 pm

1 stop19h 33m

$1,337

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 5/19

11:58 am-10:30 am

2 stops16h 32m

London Heathrow

Wed 6/17

12:55 pm-10:44 pm

1 stop15h 49m

$1,342

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 5/19

7:13 am-7:20 am

2 stops18h 07m

London Heathrow

Tue 6/9

1:20 pm-10:44 pm

2 stops15h 24m

$1,353
Quickest round-trip

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 5/19

3:54 pm-10:55 am

1 stop13h 01m

London Heathrow

Tue 6/16

1:20 pm-10:44 pm

2 stops15h 24m

$1,387

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Mon 6/1

3:07 pm-10:55 am

1 stop13h 48m

London Heathrow

Mon 6/8

12:55 pm-11:38 pm

1 stop16h 43m

$1,435

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 6/23

3:07 pm-10:55 am

1 stop13h 48m

London Heathrow

Tue 7/14

12:55 pm-11:39 pm

1 stop16h 44m

$1,466

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 6/23

6:44 am-10:55 am

1 stop22h 11m

London Heathrow

Tue 7/14

12:55 pm-10:27 pm

1 stop15h 32m

$1,467

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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 is the cheapest airline that flies from Killeen Fort Hood Regional to London Heathrow?

American Airlines is the most popular carrier operating from Killeen Fort Hood Regional to London Heathrow

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 70% 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

13h 46m

Direct flights

None
The fastest flight from Killeen to London Heathrow Airport takes 13h 46m
There are no direct flights from Killeen to London Heathrow Airport. There are no popular flight routes from Killeen to London Heathrow Airport.
Search flight deals

Frequently asked questions about flying from Killeen to London Heathrow Airport

  • 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 13h 46m, 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 many operators does momondo search for flights from Killeen Fort Hood Regional Airport to London Heathrow Airport?

  • 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.

  • What is the most popular airline from Killeen to London Heathrow Airport?

Best airlines flying from Killeen to London Heathrow Airport

Compare and see reviews for airlines that fly from Killeen to London Heathrow Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $951Free CancellationRating
7.1
11,669 reviews
Search American Airlines flights

Traveling to a place near London?

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

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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