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Cheap flights from London Heathrow Airport to Killeen from £717

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Killeen departing on 2/9. 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 London Heathrow Airport to Killeen (LHR-GRK)

Cheap return flights

American Airlines Logo
15:10 - 22:10LHR-GRK
13h 00m1 stop
American Airlines Logo
16:40 - 10:50GRK-LHR
12h 10m1 stop
£717American Airlines
Find Deal
Tue, 2 Sep - Tue, 30 Sep
American Airlines Logo
15:10 - 22:10LHR-GRK
13h 00m1 stop
American Airlines Logo
16:40 - 10:50GRK-LHR
12h 10m1 stop
£721American Airlines
Find Deal
Tue, 2 Sep - Tue, 30 Sep
American Airlines Logo
16:25 - 09:47LHR-GRK
23h 22m1 stop
American Airlines Logo
20:13 - 14:25GRK-LHR
12h 12m1 stop
£751American Airlines
Find Deal
Fri, 19 Sep - Thu, 2 Oct
American Airlines Logo
08:20 - 16:10LHR-GRK
13h 50m1 stop
American Airlines Logo
20:13 - 14:25GRK-LHR
12h 12m1 stop
£767American Airlines
Find Deal
Fri, 19 Sep - Thu, 2 Oct

American Airlines flights from London Heathrow Airport to Killeen

Our best American Airlines deals on London Heathrow Airport to Killeen flight tickets
American Airlines
2 Sept
LHR15:10London Heathrow
13h 00m
1 stop
GRK22:10Killeen Fort Hood Regional
30 Sept
GRK16:40Killeen Fort Hood Regional
12h 10m
1 stop
LHR10:50London Heathrow
£717
Find similar
American Airlines
2 Sept
LHR15:10London Heathrow
13h 00m
1 stop
GRK22:10Killeen Fort Hood Regional
30 Sept
GRK16:40Killeen Fort Hood Regional
12h 10m
1 stop
LHR10:50London Heathrow
£721
Find similar
American Airlines
19 Sept
LHR16:25London Heathrow
23h 22m
1 stop
GRK09:47Killeen Fort Hood Regional
2 Oct
GRK20:13Killeen Fort Hood Regional
12h 12m
1 stop
LHR14:25London Heathrow
£751
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Killeen 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 15 August 2025.
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

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 2/9

15:10-22:10

1 stop13h 00m

Killeen Fort Hood Regional

Tue 30/9

16:40-10:50

1 stop12h 10m

£717

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 2/9

15:10-22:10

1 stop13h 00m

Killeen Fort Hood Regional

Tue 30/9

16:40-10:50

1 stop12h 10m

£721

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 19/9

16:25-09:47

1 stop23h 22m

Killeen Fort Hood Regional

Thu 2/10

20:13-14:25

1 stop12h 12m

£751

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 19/9

08:20-16:10

1 stop13h 50m

Killeen Fort Hood Regional

Thu 2/10

20:13-14:25

1 stop12h 12m

£767

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Tue 16/12

08:20-15:47

1 stop13h 27m

£1,147

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Sat 20/12

08:20-15:31

1 stop13h 11m

£1,727

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 12/9

08:25-22:32

2 stops20h 07m

£2,676

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Sat 13/9

06:15-22:45

2 stops22h 30m

£2,683

LondonKilleen

LHR - GRK

LHRGRK

London Heathrow

Fri 12/9

16:25-09:47

1 stop23h 22m

£2,698

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Killeen from

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

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 day to depart on your flight to Killeen?

The cheapest day to depart from London Heathrow Airport to Killeen is on a Friday. Travellers who choose to depart for Killeen on a Friday will often find tickets for as low as £568. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Killeen on Thursday is £1,193.

When to book flights from London Heathrow Airport to Killeen

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

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

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

Best price found

£1,147

Fastest flight time

13h 00m

Direct flights

None

Airports in Killeen

1 airport
The best one-way flight to Killeen from London Heathrow Airport in the past 72 hours is £1,147. The best return flight deal from London Heathrow Airport to Killeen found on momondo in the last 72 hours is £717.
The fastest flight from London Heathrow Airport to Killeen takes 13h 00m
There are no direct flights from London Heathrow Airport to Killeen. Popular non-direct route for this connection is London Heathrow Airport - Killeen Fort Hood Regional Airport.
There is 1 airport near Killeen: Killeen Fort Hood Regional (GRK)
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  • How far is London Heathrow to Killeen Fort Hood Regional by plane?

    The straight-line distance from London Heathrow to Killeen Fort Hood Regional is 4855.2 mi. By plane, this route typically takes 13h 00m.

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

    Prices for flights from London Heathrow Airport to Killeen Fort Hood Regional Airport are refreshed on a daily basis.

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

  • What documentation or ID do you need to fly to Killeen Fort Hood Regional Airport?

    The required travel and health documents for your Killeen Fort Hood Regional Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Killeen Fort Hood Regional Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from London to Killeen. momondo saves you time and could save you money on your trip.

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

Flights from London to Killeen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Killeen from London.

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

If you are not ready to book a flight from London to Killeen now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Killeen and let you know when they change.

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