HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
London

$1,101+ Cheap flights from Killeen (GRK) to London (LON)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — LON
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Killeen to London with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Killeen to London

Cheapest flights from Killeen to London
Explore the most affordable flight options available from Killeen to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/247:29 amGRK - LHR
1 stop19h 06mAmerican Airlines
Tue 12/308:20 amLHR - GRK
1 stop20h 09mAmerican Airlines
Deal found 12/21$1,101
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2510:21 amGRK - LHR
1 stop14h 29mAmerican Airlines
Tue 12/308:20 amLHR - GRK
1 stop13h 07mAmerican Airlines
Deal found 12/21$1,161
This American Airlines deal was found by Cheapflights users on 12/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:57 amGRK - LHR
1 stop14h 38mAmerican Airlines
Wed 12/3111:55 amLHR - GRK
1 stop14h 38mAmerican Airlines
Deal found 12/21$1,296
This American Airlines deal was found by Cheapflights users on 12/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:58 pmGRK - LHR
1 stop12h 02mAmerican Airlines
Wed 12/318:10 amLHR - GRK
2 stops18h 23mAmerican Airlines
Deal found 12/22$1,324

Find flight deals from Killeen to London

Discover tips and strategies to find the most affordable flight options for your journey from Killeen (GRK) to London (LON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 23, 2025.

Round-trip from

$4,559
(American Airlines)
From Killeen Fort Hood Regional to London (LON)
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Killeen to London 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, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Killeen to London that are best for you.

Fly from

Killeen

Fly to

London

Route

Depart

Return

Price

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 2/10

5:00 pm-12:15 pm

1 stop13h 15m

London Heathrow

Tue 3/17

6:00 am-8:17 pm

2 stops19h 17m

$4,559

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 2/10

5:00 pm-12:15 pm

1 stop13h 15m

London Heathrow

Thu 3/19

7:30 am-10:03 pm

2 stops19h 33m

$4,562

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 2/11

12:31 pm-9:15 am

2 stops14h 44m

London Heathrow

Tue 3/17

6:00 am-8:17 pm

2 stops19h 17m

$4,564

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 2/11

12:31 pm-9:15 am

2 stops14h 44m

London Heathrow

Thu 3/19

7:30 am-10:03 pm

2 stops19h 33m

$4,566

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Wed 2/11

5:00 pm-10:00 am

1 stop11h 00m

London Heathrow

Wed 3/18

11:55 am-11:47 pm

1 stop16h 52m

$4,581

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sun 2/15

3:51 pm-11:40 am

1 stop13h 49m

London Heathrow

Tue 3/17

8:20 am-6:03 pm

1 stop14h 43m

$4,831

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Thu 2/12

6:37 pm-11:40 am

1 stop11h 03m

London Heathrow

Tue 3/17

11:55 am-8:17 pm

1 stop13h 22m

$4,831

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Tue 2/10

5:00 pm-11:40 am

1 stop12h 40m

London Heathrow

Fri 3/20

11:55 am-10:03 pm

1 stop15h 08m

$4,831

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Thu 2/12

6:37 pm-11:40 am

1 stop11h 03m

London Heathrow

Thu 3/19

8:20 am-6:03 pm

1 stop14h 43m

$4,831

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sat 2/14

12:02 pm-8:15 am

1 stop14h 13m

London Heathrow

Tue 3/17

8:20 am-6:03 pm

1 stop14h 43m

$4,831

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 17 results
1
2

Best time to book a flight from Killeen to London

Have a flexible travel schedule? Discover the best time to fly to London from Killeen with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Killeen to London

What is the cheapest month to book a flight from Killeen to London?

Currently, August is the cheapest month in which you can book a flight from Killeen to London (average of $131). Flying from Killeen to London in June is currently the most expensive (average of $835). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Killeen to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Killeen Fort Hood Regional (GRK) is the airport you will fly out of if you book a flight from Killeen to London. You should not have trouble finding flights to London from Fort Hood Regional; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Killeen airport to London. It is only a 6.9 mi journey to Fort Hood Regional (GRK) from Killeen’s city center.

  • How long is the flight from Killeen to London?

    A quick flight from Killeen to London can take about 13h 15m. American Airlines provides one of the quickest options available for as low as $4,559. There are 4862 mi between Killeen and London.

  • What are the most popular routes from Killeen to London?

    The most popular route from Killeen to London is Killeen Fort Hood Regional - London Heathrow. You may also consider Killeen Fort Hood Regional - London City or Killeen Fort Hood Regional - London Gatwick.

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

    Yes. In addition to deals on Killeen to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Killeen to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Killeen to London.

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

    Yes. Cheapflights offers flight deals from Killeen to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Killeen to London?

    Currently, August is the cheapest month in which you can book a flight from Killeen to London (average of $131). Flying from Killeen to London in June is currently the most expensive (average of $835). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Ilford
Hounslow
Southend-on-Sea
Harrow
Eastleigh
Dartford
Dover
Winchester
Croydon
Hayes
Orpington
Watford
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Folkestone
Eastbourne
Sutton

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 London

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Heathrow flights
Hobby to Heathrow flights
George Bush Intcntl to Heathrow flights
Austin to Heathrow flights
Dallas/Fort Worth to Gatwick flights
Love Field to Heathrow flights
Hobby to Gatwick flights
George Bush Intcntl to Gatwick flights
Hobby to London City flights
Dallas/Fort Worth to Stansted flights
Dallas/Fort Worth to London City flights
Dallas/Fort Worth to Edinburgh flights
George Bush Intcntl to London City flights
Austin to Gatwick flights
Austin to London City flights
George Bush Intcntl to Stansted flights
Love Field to Edinburgh flights
Hobby to Edinburgh flights
Love Field to Gatwick flights
Dallas/Fort Worth to Luton flights
Austin to Stansted flights
Dallas/Fort Worth to Manchester flights
San Antonio to Heathrow flights
George Bush Intcntl to Edinburgh flights
Hobby to Manchester flights
Austin to Edinburgh flights
San Antonio to Gatwick flights
El Paso to Heathrow flights
George Bush Intcntl to Manchester flights
Austin to Manchester flights
San Antonio to London City flights
Love Field to Manchester flights
San Antonio to Edinburgh flights
San Antonio to Manchester flights
Harlingen to Heathrow flights
El Paso to London City flights
Dallas/Fort Worth to Newcastle upon Tyne flights
San Antonio to Stansted flights
George Bush Intcntl to Leeds flights
McAllen to Heathrow flights
Dallas/Fort Worth to Birmingham flights
George Bush Intcntl to Luton flights
Lubbock to Heathrow flights
Dallas/Fort Worth to Liverpool flights
Austin to Southampton flights
Corpus Christi to Heathrow flights
McAllen to London City flights
McAllen to Gatwick flights
El Paso to Gatwick flights
Hobby to Birmingham flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.