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Cheap flights from Guam to London from £392

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — LON
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Guam to London

Enter your travel dates to find the best prices.

Cheapest flights from Guam to London
Explore the most affordable flight options available from Guam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 February 2026.

Thu 2/700:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Fri 10/716:35
LHR
-
GUM
1 stop22h 10m
Multiple Airlines
Deal found 19/2£898
Wed 17/606:00
GUM
-
LGW
2 stops46h 45m
Multiple Airlines
Fri 3/710:05
LGW
-
GUM
2 stops57h 15m
Multiple Airlines
Deal found 19/2£928
Sun 8/305:45
GUM
-
LHR
2 stops48h 15m
Multiple Airlines
Sun 15/322:35
LHR
-
GUM
2 stops43h 25m
Multiple Airlines
Deal found 18/2£940
Wed 17/606:00
GUM
-
LHR
2 stops41h 25m
Multiple Airlines
Fri 3/716:50
LHR
-
GUM
2 stops50h 30m
Multiple Airlines
Deal found 19/2£953
Sun 8/301:00
GUM
-
LHR
1 stop25h 30m
Korean Air
Mon 9/318:50
LHR
-
GUM
1 stop18h 15m
Korean Air
Deal found 19/2£1,471
Sun 8/316:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Sun 15/318:50
LHR
-
GUM
1 stop33h 45m
Korean Air
Deal found 18/2£1,471
Wed 17/617:20
GUM
-
LHR
1 stop33h 00m
Korean Air
Fri 3/719:35
LHR
-
GUM
1 stop35h 00m
Korean Air
Deal found 19/2£1,483
Sun 8/302:40
GUM
-
LHR
2 stops25h 55m
Multiple Airlines
Mon 9/321:25
LHR
-
GUM
2 stops31h 10m
Multiple Airlines
Deal found 19/2£2,543

Find flight deals from Guam to London

Keep the following information in mind while searching for Guam to London flight deals. Data was last updated 20 February 2026.

Round-trip from

£898

One-way from

£392
2/7-10/7
  • 2/7-10/7
  • 2 total stops
  • 44h 40m total
  • Guam to London
Search Deals
23/4
  • 23/4
  • 3 total stops
  • 59h 15m total
  • Guam to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Guam 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 858,174 searches. Data last updated 20 February 2026.
Use the filters below to find and compare flights from Guam to London that are best for you.

Fly from

Guam

Fly to

London

Route

Depart

Return

Price

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 2/7

00:50-14:20

1 stop22h 30m

London Heathrow

Fri 10/7

16:35-23:45

1 stop22h 10m

£898

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Wed 17/6

06:00-19:45

2 stops46h 45m

London Gatwick

Fri 3/7

10:05-04:20

2 stops57h 15m

£928

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 8/3

05:45-20:00

2 stops48h 15m

London Heathrow

Sun 15/3

22:35-04:00

2 stops43h 25m

£940

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 8/3

01:00-16:30

1 stop25h 30m

London Heathrow

Mon 9/3

18:50-23:05

1 stop18h 15m

£1,471

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 8/3

16:50-16:30

1 stop33h 40m

London Heathrow

Sun 15/3

18:50-14:35

1 stop33h 45m

£1,471

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 17/6

17:20-17:20

1 stop33h 00m

London Heathrow

Fri 3/7

19:35-15:35

1 stop35h 00m

£1,483

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 8/3

02:40-18:35

2 stops25h 55m

London Heathrow

Mon 9/3

21:25-14:35

2 stops31h 10m

£2,543

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 23/4

04:40-06:55

3 stops59h 15m

£392

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 9/3

05:45-13:50

2 stops42h 05m

£467

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 8/3

01:00-16:30

1 stop25h 30m

£943

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Best time to book a flight from Guam to London

Have a flexible travel schedule? Discover the best time to fly to London from Guam with our price prediction graph.
Estimated return 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 Guam to London
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • How long is the flight from Guam to London?

    A quick flight from Guam to London can take about 25h 30m. Korean Air provides one of the quickest options available for as low as £1,471. The distance from Guam to London is about 7483 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Guam 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.

See more FAQs

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Why should you use Cheapflights to find cheap flight tickets from Guam to London?

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Need flexible booking options for your flight to London from Guam? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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