Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Killeen to London from £422

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 3/2. 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
0 bags
Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Killeen to London (GRK-LHR)

Cheap return flights

American Airlines Logo
18:49 - 11:40GRK-LHR
10h 51m1 stop
American Airlines Logo
08:20 - 19:47LHR-GRK
17h 27m1 stop
£702American Airlines
Find Deal
Tue, 2 Dec - Thu, 1 Jan
American Airlines Logo
11:52 - 08:15GRK-LHR
14h 23m1 stop
American Airlines Logo
16:30 - 23:26LHR-GRK
12h 56m1 stop
£1,130American Airlines
Find Deal
Mon, 1 Dec - Fri, 2 Jan
American Airlines Logo
10:28 - 09:00GRK-LHR
16h 32m1 stop
American Airlines Logo
08:20 - 22:10LHR-GRK
19h 50m1 stop
£1,374American Airlines
Find Deal
Sun, 24 Aug - Sat, 30 Aug
American Airlines Logo
12:11 - 10:50GRK-LHR
16h 39m1 stop
American Airlines Logo
11:05 - 22:10LHR-GRK
17h 05m2 stops
£1,377American Airlines
Find Deal
Sun, 24 Aug - Sat, 30 Aug

American Airlines flights from Killeen to London Heathrow Airport

Our best American Airlines deals on Killeen to London Heathrow Airport flight tickets
American Airlines
2 Dec
GRK18:49Killeen Fort Hood Regional
10h 51m
1 stop
LHR11:40London Heathrow
1 Jan
LHR08:20London Heathrow
17h 27m
1 stop
GRK19:47Killeen Fort Hood Regional
£702
Find similar
American Airlines
1 Dec
GRK11:52Killeen Fort Hood Regional
14h 23m
1 stop
LHR08:15London Heathrow
2 Jan
LHR16:30London Heathrow
12h 56m
1 stop
GRK23:26Killeen Fort Hood Regional
£1,130
Find similar
American Airlines
24 Aug
GRK10:28Killeen Fort Hood Regional
16h 32m
1 stop
LHR09:00London Heathrow
30 Aug
LHR08:20London Heathrow
19h 50m
1 stop
GRK22:10Killeen Fort Hood Regional
£1,374
Find similar

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 11 August 2025.
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

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 2/12

18:49-11:40

1 stop10h 51m

London Heathrow

Thu 1/1

08:20-19:47

1 stop17h 27m

£702

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Mon 1/12

11:52-08:15

1 stop14h 23m

London Heathrow

Fri 2/1

16:30-23:26

1 stop12h 56m

£1,130

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sun 24/8

10:28-09:00

1 stop16h 32m

London Heathrow

Sat 30/8

08:20-22:10

1 stop19h 50m

£1,374

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sun 24/8

12:11-10:50

1 stop16h 39m

London Heathrow

Sat 30/8

11:05-22:10

2 stops17h 05m

£1,377

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 3/2

10:21-08:35

2 stops16h 14m

£422

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sat 7/2

18:42-10:00

1 stop33h 18m

£431

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 3/2

18:42-12:15

1 stop11h 33m

£450

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sat 7/2

05:16-06:25

2 stops19h 09m

£459

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Thu 5/2

12:40-08:15

1 stop13h 35m

£488

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Fri 6/2

10:21-06:45

2 stops14h 24m

£525

Flights are sorted by cheapest return 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 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

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 return 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

Best price found

£422

Fastest flight time

10h 51m

Direct flights

None
The best one-way flight to London Heathrow Airport from Killeen in the past 72 hours is £422. The best return flight deal from Killeen to London Heathrow Airport found on momondo in the last 72 hours is £702.
The fastest flight from Killeen to London Heathrow Airport takes 10h 51m
There are no direct flights from Killeen to London Heathrow Airport. Popular non-direct route for this connection is Killeen Fort Hood Regional Airport - London Heathrow Airport.
Search flight deals

  • How far is Killeen Fort Hood Regional to London Heathrow by plane?

    The distance between Killeen Fort Hood Regional and London Heathrow is about 4855.2 mi. Typically, this will take 10h 51m by plane in normal conditions.

  • 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 are refreshed on a daily basis.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Slough
Northampton
Maidstone
Southend-on-Sea
Swindon
Canterbury
Gatwick
Stratford-upon-Avon
Ipswich
Ilford
Guildford
Colchester
Dartford
Swanage
Hounslow
Worthing
Dover

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Killeen to London . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. All flights to London from Killeen on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo provides multiple filters to help you find the best flight to London from Killeen. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 16/8
Sat 23/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to London