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Cheap flights from Guam to London from £251

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 14/12. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — LON
7 Dec — 14 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Guam to London

Keep the following information in mind while searching for Guam to London flight deals. Data was last updated 7 November 2025.

Round-trip from

£588

One-way from

£251
19/11-23/11
  • 19/11-23/11
  • 4 total stops
  • 68h 50m total
  • Guam to London
Search Deals
14/12
  • 14/12
  • 3 total stops
  • 44h 30m total
  • Guam to London
Search Deals

Find 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 7 November 2025.

Wed 19/1102:45GUM - LHR
2 stops47h 10mMultiple Airlines
Sun 23/1117:40LHR - GUM
2 stops21h 40mMultiple Airlines
Deal found 6/11£588
Sat 20/1200:20GUM - LGW
2 stops40h 10mMultiple Airlines
Sun 28/1210:30LGW - GUM
2 stops28h 50mMultiple Airlines
Deal found 6/11£833
Sun 21/1216:10GUM - LHR
2 stops27h 00mMultiple Airlines
Sun 28/1210:20LHR - GUM
2 stops29h 00mMultiple Airlines
Deal found 6/11£1,030
Sun 21/1216:50GUM - LHR
1 stop33h 40mKorean Air
Sun 28/1218:50LHR - GUM
1 stop18h 15mKorean Air
Deal found 6/11£1,741
Tue 11/1116:35GUM - LGW
2 stops47h 55mMultiple Airlines
Thu 13/1110:30LGW - GUM
2 stops42h 05mMultiple Airlines
Deal found 6/11£3,256

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 7 November 2025.
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

Wed 19/11

02:45-15:55

2 stops47h 10m

London Heathrow

Sun 23/11

17:40-01:20

2 stops21h 40m

£588

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Sat 20/12

00:20-06:30

2 stops40h 10m

London Gatwick

Sun 28/12

10:30-01:20

2 stops28h 50m

£833

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 21/12

16:10-09:10

2 stops27h 00m

London Heathrow

Sun 28/12

10:20-01:20

2 stops29h 00m

£1,030

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 12/3

01:00-16:30

1 stop25h 30m

London Heathrow

Sun 15/3

18:50-14:35

1 stop33h 45m

£1,510

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Sun 14/12

03:20-13:50

3 stops44h 30m

£251

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 14/12

02:15-17:30

2 stops49h 15m

£251

Flights are sorted by cheapest return flights first.

Deals found on 7/11

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.

  • 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.

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