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Cheap flights from London to Guam from £817

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
8 Apr — 15 Apr1
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 9 March 2026.

Sat 9/516:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Tue 12/500:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 8/3£817
Sat 9/512:35
LGW
-
GUM
2 stops30h 00m
Multiple Airlines
Wed 13/504:40
GUM
-
LGW
2 stops34h 55m
Multiple Airlines
Deal found 8/3£820
Fri 22/511:00
LGW
-
GUM
2 stops31h 35m
Multiple Airlines
Fri 29/504:40
GUM
-
LGW
2 stops46h 50m
Multiple Airlines
Deal found 7/3£854
Fri 22/516:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Thu 28/500:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 7/3£865
Sat 4/413:40
LHR
-
GUM
2 stops28h 55m
Multiple Airlines
Fri 24/404:40
GUM
-
LHR
2 stops34h 55m
Multiple Airlines
Deal found 8/3£978
Sat 4/414:55
LGW
-
GUM
2 stops27h 40m
Multiple Airlines
Fri 24/404:40
GUM
-
LGW
2 stops35h 00m
Multiple Airlines
Deal found 8/3£1,038
Sat 14/310:30
LGW
-
GUM
2 stops28h 40m
Multiple Airlines
Fri 20/302:40
GUM
-
LGW
2 stops37h 50m
Multiple Airlines
Deal found 5/3£1,100
Mon 28/1209:25
LGW
-
GUM
3 stops32h 55m
Multiple Airlines
Fri 1/106:00
GUM
-
LGW
3 stops34h 25m
Multiple Airlines
Deal found 8/3£1,107
Sun 15/322:00
LHR
-
GUM
2 stops41h 10m
Multiple Airlines
Sat 21/302:40
GUM
-
LHR
1 stop25h 25m
Multiple Airlines
Deal found 6/3£1,109
Tue 1/919:35
LHR
-
GUM
1 stop19h 20m
Korean Air
Fri 4/903:00
GUM
-
LHR
1 stop23h 20m
Korean Air
Deal found 9/3£1,177
Fri 8/519:35
LHR
-
GUM
1 stop19h 20m
Korean Air
Sat 9/503:00
GUM
-
LHR
1 stop23h 20m
Korean Air
Deal found 5/3£1,180
Sat 14/313:40
LHR
-
GUM
2 stops25h 30m
Multiple Airlines
Fri 20/302:40
GUM
-
LHR
2 stops45h 10m
Multiple Airlines
Deal found 5/3£1,194

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 9 March 2026.

Round-trip from

£817
9/5-12/5
  • 9/5-12/5
  • 2 total stops
  • 48h 30m 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 9 March 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

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 9/5

16:35-03:35

1 stop26h 00m

Tamuning Guam Intl

Tue 12/5

00:50-14:20

1 stop22h 30m

£817

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sat 9/5

12:35-03:35

2 stops30h 00m

Tamuning Guam Intl

Wed 13/5

04:40-06:35

2 stops34h 55m

£820

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Fri 22/5

11:00-03:35

2 stops31h 35m

Tamuning Guam Intl

Fri 29/5

04:40-18:30

2 stops46h 50m

£854

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 22/5

16:35-03:35

1 stop26h 00m

Tamuning Guam Intl

Thu 28/5

00:50-14:20

1 stop22h 30m

£865

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sat 4/4

14:55-03:35

2 stops27h 40m

Tamuning Guam Intl

Fri 24/4

04:40-06:40

2 stops35h 00m

£1,038

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 4/4

13:25-03:35

1 stop29h 10m

Tamuning Guam Intl

Fri 24/4

04:40-18:50

1 stop23h 10m

£1,110
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 1/9

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Fri 4/9

03:00-17:20

1 stop23h 20m

£1,177

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 9/5

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Wed 13/5

17:20-17:20

1 stop33h 00m

£1,204

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 9/5

19:10-14:40

2 stops58h 30m

Tamuning Guam Intl

Wed 13/5

16:40-20:40

2 stops37h 00m

£1,379

Flights are sorted by cheapest return flights first.

Deals found on 8/3

Sorted by cheapest first

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 9 March 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
1,727 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

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
1,727 reviews
Japan Airlines
8.3
Very Good
1,727 reviews
Check prices

Overall

8.3

Boarding

8.4

Crew

8.7

Food

7.7

Comfort

8.2

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?

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.

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