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$878+ 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 3/26. Fares are subject to change and may not be available on all flights or dates of travel.
GRK — LON
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
1 adult, Economy
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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 February 3, 2026.

This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/263:59 pm
GRK
-
LHR
1 stop15h 16m
Multiple Airlines
Mon 3/3012:55 pm
LHR
-
GRK
1 stop15h 08m
Multiple Airlines
Deal found 2/2$878
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 11/2310:34 am
GRK
-
LHR
1 stop15h 41m
American Airlines
Sun 11/293:00 pm
LHR
-
GRK
1 stop14h 43m
American Airlines
Deal found 2/3$1,001
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Tue 11/2410:34 am
GRK
-
LHR
1 stop15h 41m
American Airlines
Mon 11/303:00 pm
LHR
-
GRK
1 stop14h 43m
American Airlines
Deal found 2/2$1,031
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:06 pm
GRK
-
LHR
1 stop13h 49m
Multiple Airlines
Tue 7/712:55 pm
LHR
-
GRK
1 stop16h 40m
Multiple Airlines
Deal found 2/2$1,219
This Finnair deal was found by Cheapflights users on 2/1. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/273:06 pm
GRK
-
LHR
1 stop13h 49m
Multiple Airlines
Sat 7/412:55 pm
LHR
-
GRK
1 stop16h 40m
Multiple Airlines
Deal found 2/1$1,461
This Finnair deal was found by Cheapflights users on 2/2. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/2311:56 am
GRK
-
LHR
1 stop18h 19m
Multiple Airlines
Thu 2/262:45 pm
LHR
-
GRK
1 stop13h 18m
Multiple Airlines
Deal found 2/2$9,314
This American Airlines deal was found by Cheapflights users on 2/2. 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.
Mon 2/2311:56 am
GRK
-
LHR
1 stop16h 04m
American Airlines
Thu 2/2611:20 am
LHR
-
GRK
2 stops16h 43m
American Airlines
Deal found 2/2$9,318

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 February 3, 2026.

Round-trip from

$878
(Finnair)
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 February 3, 2026.
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

Thu 3/26

3:59 pm-12:15 pm

1 stop15h 16m

London Heathrow

Mon 3/30

12:55 pm-10:03 pm

1 stop15h 08m

$878

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Thu 7/2

3:06 pm-10:55 am

1 stop13h 49m

London Heathrow

Tue 7/7

12:55 pm-11:35 pm

1 stop16h 40m

$1,219

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Sat 6/27

3:06 pm-10:55 am

1 stop13h 49m

London Heathrow

Sat 7/4

12:55 pm-11:35 pm

1 stop16h 40m

$1,461

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Mon 2/23

11:56 am-12:15 pm

1 stop18h 19m

London Heathrow

Thu 2/26

2:45 pm-10:03 pm

1 stop13h 18m

$9,314

KilleenLondon

GRK - LHR

GRKLHR

Killeen Fort Hood Regional

Mon 2/23

11:56 am-10:00 am

1 stop16h 04m

London Heathrow

Thu 2/26

11:20 am-10:03 pm

2 stops16h 43m

$9,318

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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 $839). 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 16h 04m. American Airlines provides one of the quickest options available for as low as $9,318. 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 $839). 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
Croydon
Southend-on-Sea
Harrow
Eastleigh
Gatwick
Dartford
Dover
Winchester
Orpington
Watford
Hayes
Borehamwood
Aylesbury
Chipping Norton
Horley
Kingston upon Thames
Eastbourne
Sutton

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