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Cheap flights from London to Guam from £385

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 18/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
21 Aug — 28 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Guam

Enter your travel dates to find the best prices.

Cheapest flights from London to Guam
Explore the most affordable flight options available from London to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 July 2026.

Wed 2/916:35
LHR
-
GUM
1 stop23h 25m
Multiple Airlines
Wed 9/904:40
GUM
-
LHR
2 stops24h 45m
Multiple Airlines
Deal found 19/7£952
Tue 28/706:30
LHR
-
GUM
2 stops33h 30m
Multiple Airlines
Wed 12/802:00
GUM
-
LHR
2 stops24h 10m
Multiple Airlines
Deal found 19/7£985
Tue 4/807:45
LGW
-
GUM
2 stops34h 50m
Multiple Airlines
Fri 7/804:40
GUM
-
LGW
2 stops35h 00m
Multiple Airlines
Deal found 21/7£1,021
Tue 28/716:05
LGW
-
GUM
2 stops26h 30m
Multiple Airlines
Thu 13/804:40
GUM
-
LGW
3 stops47h 55m
Multiple Airlines
Deal found 19/7£1,038
Mon 3/807:40
LHR
-
GUM
3 stops33h 00m
Multiple Airlines
Thu 6/804:40
GUM
-
LHR
2 stops35h 50m
Multiple Airlines
Deal found 20/7£1,056
Fri 31/707:40
LHR
-
GUM
3 stops33h 10m
Multiple Airlines
Sat 8/804:40
GUM
-
LHR
2 stops35h 50m
Multiple Airlines
Deal found 20/7£1,056
Sat 1/813:45
LGW
-
GUM
2 stops25h 00m
Multiple Airlines
Thu 6/800:50
GUM
-
LGW
2 stops27h 50m
Multiple Airlines
Deal found 21/7£1,116
Mon 28/919:35
LHR
-
GUM
1 stop19h 20m
Korean Air
Sun 11/1002:00
GUM
-
LHR
1 stop24h 20m
Korean Air
Deal found 22/7£1,174
Fri 31/706:10
LGW
-
GUM
3 stops36h 25m
Multiple Airlines
Sat 8/804:40
GUM
-
LGW
2 stops35h 20m
Multiple Airlines
Deal found 21/7£1,222

Find flight deals from London to Guam

Keep the following information in mind while searching for London to Guam flight deals. Data was last updated 22 July 2026.

Round-trip from

£952

One-way from

£385
2/9-9/9
  • 2/9-9/9
  • 3 total stops
  • 48h 10m total
  • London to Guam
Search Deals
18/8
  • 18/8
  • 3 total stops
  • 34h 05m total
  • London to Guam
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London to Guam 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 22 July 2026.
Use the filters below to find and compare flights from London to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 2/9

16:35-01:00

1 stop23h 25m

Tamuning Guam Intl

Wed 9/9

04:40-20:25

2 stops24h 45m

£952

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Tue 4/8

07:45-03:35

2 stops34h 50m

Tamuning Guam Intl

Fri 7/8

04:40-06:40

2 stops35h 00m

£1,021

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sat 1/8

13:45-23:45

2 stops25h 00m

Tamuning Guam Intl

Thu 6/8

00:50-19:40

2 stops27h 50m

£1,116

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 1/8

09:55-23:45

3 stops28h 50m

Tamuning Guam Intl

Thu 6/8

00:50-19:20

2 stops27h 30m

£1,183

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 4/8

06:30-15:35

2 stops24h 05m

Tamuning Guam Intl

Fri 7/8

17:20-22:00

2 stops37h 40m

£1,323

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 1/8

06:30-23:45

2 stops32h 15m

Tamuning Guam Intl

Sat 8/8

04:40-07:30

2 stops35h 50m

£1,366

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

09:30-23:55

2 stops29h 25m

Tamuning Guam Intl

Mon 12/10

17:20-18:45

2 stops34h 25m

£1,479

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 4/8

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Fri 7/8

17:20-17:20

1 stop33h 00m

£1,488
Cheapest one-way

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 19/8

21:00-01:00

2 stops43h 00m

£394

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Tue 18/8

12:35-01:00

2 stops27h 25m

£415

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from London to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from London 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 London to Guam

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 London to Guam. 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 London to Guam that include hotel bookings?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to Guam?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Guam. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Guam from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Guam with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Guam, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from London to Guam become cheaper?

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

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