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Cheap flights from London to Guam from £571

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
23 Mar — 30 Mar1
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 21 February 2026.

Sun 8/317:40
LHR
-
GUM
2 stops21h 30m
Multiple Airlines
Wed 11/302:40
GUM
-
LHR
2 stops25h 15m
Multiple Airlines
Deal found 19/2£571
Sun 8/310:30
LGW
-
GUM
2 stops28h 40m
Multiple Airlines
Wed 11/302:40
GUM
-
LGW
2 stops45h 20m
Multiple Airlines
Deal found 19/2£657
Tue 14/412:35
LGW
-
GUM
2 stops30h 00m
Multiple Airlines
Mon 27/404:40
GUM
-
LGW
2 stops34h 55m
Multiple Airlines
Deal found 19/2£762
Thu 9/418:40
LHR
-
GUM
2 stops23h 55m
Multiple Airlines
Mon 27/404:40
GUM
-
LHR
2 stops37h 40m
Multiple Airlines
Deal found 19/2£764
Thu 9/412:35
LGW
-
GUM
2 stops30h 00m
Multiple Airlines
Mon 27/404:40
GUM
-
LGW
2 stops34h 55m
Multiple Airlines
Deal found 19/2£795
Tue 14/419:30
LHR
-
GUM
2 stops23h 05m
Multiple Airlines
Mon 27/404:40
GUM
-
LHR
2 stops37h 40m
Multiple Airlines
Deal found 19/2£796
Sun 12/416:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Sun 26/400:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 19/2£828
Sun 12/416:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Mon 27/400:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 19/2£829
Sun 12/416:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Fri 24/400:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 19/2£830
Sat 11/416:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Sun 26/400:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 19/2£839
Mon 6/419:35
LHR
-
GUM
1 stop23h 00m
Multiple Airlines
Sat 25/404:40
GUM
-
LHR
1 stop21h 40m
Multiple Airlines
Deal found 19/2£841
Sat 11/419:35
LHR
-
GUM
1 stop23h 00m
Multiple Airlines
Sat 25/404:40
GUM
-
LHR
1 stop21h 40m
Multiple Airlines
Deal found 19/2£842

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 21 February 2026.

Round-trip from

£571

Popular in

December

Cheapest in

May

Average price

£1,181
8/3-11/3
  • 8/3-11/3
  • 4 total stops
  • 46h 45m total
  • London to Guam
Search Deals
Highest demand for flights based on searches. 45% potential increase in price (£796 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 25% potential price decrease (£196 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
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 21 February 2026.
Use the filters below to find and compare flights from London to Guam that are best for you.

Fly from

London

Fly to

Guam

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 8/3

17:40-01:10

2 stops21h 30m

Tamuning Guam Intl

Wed 11/3

02:40-17:55

2 stops25h 15m

£571

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sun 8/3

10:30-01:10

2 stops28h 40m

Tamuning Guam Intl

Wed 11/3

02:40-14:00

2 stops45h 20m

£657

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Tue 14/4

12:35-03:35

2 stops30h 00m

Tamuning Guam Intl

Mon 27/4

04:40-06:35

2 stops34h 55m

£762

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 9/4

18:40-03:35

2 stops23h 55m

Tamuning Guam Intl

Mon 27/4

04:40-09:20

2 stops37h 40m

£764

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Thu 9/4

12:35-03:35

2 stops30h 00m

Tamuning Guam Intl

Mon 27/4

04:40-06:35

2 stops34h 55m

£795

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 14/4

13:25-03:35

1 stop29h 10m

Tamuning Guam Intl

Mon 27/4

04:40-18:50

1 stop23h 10m

£795

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 13/4

16:35-03:35

1 stop26h 00m

Tamuning Guam Intl

Sun 26/4

00:50-14:20

1 stop22h 30m

£843

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 15/4

16:35-03:35

1 stop26h 00m

Tamuning Guam Intl

Tue 28/4

00:50-14:20

1 stop22h 30m

£895

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 13/4

19:35-03:35

1 stop23h 00m

Tamuning Guam Intl

Fri 24/4

04:40-17:20

1 stop21h 40m

£909

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 14/4

16:35-03:35

1 stop26h 00m

Tamuning Guam Intl

Mon 27/4

00:50-14:20

1 stop22h 30m

£946

Flights are sorted by cheapest return flights first.

Deals found on 17/2

Showing 1-10 of 16 results
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.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated 21 February 2026.
Get a feel of what it's like to fly with Japan Airlines from London to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,712 reviews
Check prices

Overall

8.3

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very Good
1,712 reviews
Japan Airlines
8.3
Very Good
1,712 reviews
Check prices

Overall

8.3

Food

7.7

Boarding

8.4

Comfort

8.2

Crew

8.7

Entertainment

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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.

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

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

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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.

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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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