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Cheap flights from Guam to London from £603

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — LON
16 Aug — 23 Aug1
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 17 July 2026.

Thu 5/1102:20
GUM
-
LHR
2 stops25h 35m
Multiple Airlines
Sun 15/1106:50
LHR
-
GUM
3 stops32h 20m
Multiple Airlines
Deal found 13/7£841
Thu 5/1102:20
GUM
-
LHR
2 stops25h 35m
Multiple Airlines
Sat 14/1108:30
LHR
-
GUM
3 stops30h 40m
Multiple Airlines
Deal found 13/7£874
Fri 6/1102:20
GUM
-
LHR
2 stops26h 15m
Multiple Airlines
Sat 14/1108:30
LHR
-
GUM
3 stops30h 40m
Multiple Airlines
Deal found 13/7£886
Thu 5/1102:20
GUM
-
LGW
3 stops41h 55m
Multiple Airlines
Sun 15/1110:30
LGW
-
GUM
3 stops28h 40m
Multiple Airlines
Deal found 13/7£904
Thu 5/1102:20
GUM
-
LGW
3 stops44h 00m
Multiple Airlines
Sat 14/1107:10
LGW
-
GUM
3 stops32h 00m
Multiple Airlines
Deal found 13/7£912
Fri 6/1102:20
GUM
-
LGW
3 stops46h 55m
Multiple Airlines
Sat 14/1107:10
LGW
-
GUM
3 stops32h 00m
Multiple Airlines
Deal found 13/7£920
Fri 6/1105:25
GUM
-
LHR
2 stops35h 00m
Philippine Airlines
Sat 14/1114:15
LHR
-
GUM
2 stops27h 40m
Philippine Airlines
Deal found 13/7£991
Fri 25/904:40
GUM
-
LGW
2 stops35h 00m
Multiple Airlines
Thu 8/1006:30
LGW
-
GUM
3 stops36h 50m
Multiple Airlines
Deal found 12/7£1,128

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 17 July 2026.

Round-trip from

£841

One-way from

£603
5/11-15/11
  • 5/11-15/11
  • 5 total stops
  • 57h 55m total
  • Guam to London
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 45h 40m 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 17 July 2026.
Use the filters below to find and compare flights from Guam to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 5/11

02:20-17:55

2 stops25h 35m

London Heathrow

Sun 15/11

17:40-01:10

2 stops21h 30m

£874

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Thu 5/11

02:20-10:15

3 stops41h 55m

London Gatwick

Sun 15/11

10:30-01:10

3 stops28h 40m

£904

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sat 7/11

05:25-06:25

2 stops35h 00m

London Heathrow

Sat 14/11

14:15-03:55

2 stops27h 40m

£991

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 25/9

06:00-06:25

2 stops33h 25m

London Heathrow

Thu 8/10

15:05-04:20

2 stops28h 15m

£1,012

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Fri 25/9

04:40-06:40

2 stops35h 00m

London Gatwick

Thu 8/10

06:30-04:20

3 stops36h 50m

£1,128

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Fri 6/11

05:25-18:25

2 stops47h 00m

London Gatwick

Sat 14/11

09:40-03:55

2 stops56h 15m

£1,160

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Sat 7/11

05:25-18:25

2 stops47h 00m

London Gatwick

Sat 14/11

13:35-03:55

2 stops52h 20m

£1,160
Fastest return journey

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 5/11

02:40-16:30

1 stop23h 50m

London Heathrow

Sun 15/11

18:50-01:00

1 stop20h 10m

£1,477

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sat 7/11

16:50-16:30

1 stop33h 40m

London Heathrow

Sat 14/11

18:50-14:35

1 stop33h 45m

£1,478

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 24/9

00:50-14:20

1 stop22h 30m

London Heathrow

Thu 8/10

09:30-03:35

2 stops33h 05m

£1,585

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 13 resultsSorted by cheapest first
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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 35h. Philippine Airlines provides one of the quickest options available for as low as £991. 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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Can Cheapflights find flights from Guam to London with no change fees?

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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Not ready to book yet? You can track prices for flights from Guam to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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