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Cheap flights from London to Guam from £516

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
5 May — 12 May1
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 5 April 2026.

Thu 14/512:35
LGW
-
GUM
2 stops26h 10m
Multiple Airlines
Thu 4/604:40
GUM
-
LGW
2 stops34h 55m
Multiple Airlines
Deal found 3/4£882
Sun 7/606:00
LGW
-
GUM
3 stops36h 35m
Multiple Airlines
Sun 14/604:40
GUM
-
LGW
3 stops47h 45m
Multiple Airlines
Deal found 2/4£884
Sun 7/609:30
LHR
-
GUM
2 stops33h 05m
Multiple Airlines
Sun 14/617:20
GUM
-
LHR
2 stops30h 45m
Multiple Airlines
Deal found 2/4£898
Thu 14/515:25
LHR
-
GUM
2 stops38h 15m
Multiple Airlines
Thu 4/616:35
GUM
-
LHR
2 stops30h 25m
Multiple Airlines
Deal found 3/4£1,006
Tue 15/1218:10
LHR
-
GUM
2 stops58h 25m
Japan Airlines
Wed 13/116:35
GUM
-
LHR
1 stop23h 50m
Japan Airlines
Deal found 3/4£1,045
Tue 15/1218:40
LHR
-
GUM
2 stops57h 55m
Multiple Airlines
Wed 13/116:35
GUM
-
LHR
2 stops39h 05m
Multiple Airlines
Deal found 3/4£1,060
Tue 15/1218:10
LHR
-
GUM
2 stops58h 25m
Japan Airlines
Tue 12/116:35
GUM
-
LHR
2 stops25h 50m
Japan Airlines
Deal found 3/4£1,095
Fri 22/509:05
LHR
-
GUM
2 stops44h 35m
Multiple Airlines
Tue 26/516:40
GUM
-
LHR
2 stops34h 20m
Multiple Airlines
Deal found 5/4£1,096
Sun 13/1218:30
LHR
-
GUM
1 stop34h 05m
Japan Airlines
Wed 13/116:35
GUM
-
LHR
1 stop32h 40m
Japan Airlines
Deal found 3/4£1,199
Sat 17/1010:25
LGW
-
GUM
3 stops32h 55m
Multiple Airlines
Mon 26/1016:50
GUM
-
LGW
3 stops47h 35m
Multiple Airlines
Deal found 1/4£1,229
Fri 6/1109:00
LGW
-
GUM
2 stops43h 35m
Multiple Airlines
Fri 4/1216:35
GUM
-
LGW
2 stops47h 20m
Multiple Airlines
Deal found 3/4£1,258
Tue 15/1209:25
LGW
-
GUM
3 stops32h 55m
Multiple Airlines
Wed 13/106:00
GUM
-
LGW
3 stops34h 25m
Multiple Airlines
Deal found 3/4£1,304

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 5 April 2026.

Round-trip from

£882

One-way from

£516
14/5-4/6
  • 14/5-4/6
  • 4 total stops
  • 61h 05m total
  • London to Guam
Search Deals
18/4
  • 18/4
  • 2 total stops
  • 56h 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 5 April 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

LGW - GUM

LGWGUM

London Gatwick

Thu 14/5

12:35-23:45

2 stops26h 10m

Tamuning Guam Intl

Thu 4/6

04:40-06:35

2 stops34h 55m

£882

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sun 7/6

06:00-03:35

3 stops36h 35m

Tamuning Guam Intl

Sun 14/6

04:40-19:25

3 stops47h 45m

£884

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 14/5

15:25-14:40

2 stops38h 15m

Tamuning Guam Intl

Thu 4/6

16:35-14:00

2 stops30h 25m

£1,006

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 22/5

09:05-14:40

2 stops44h 35m

Tamuning Guam Intl

Tue 26/5

16:40-18:00

2 stops34h 20m

£1,096

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 7/6

09:30-03:35

3 stops33h 05m

Tamuning Guam Intl

Sun 14/6

17:20-12:45

2 stops28h 25m

£1,101

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 7/6

19:35-15:35

1 stop35h 00m

Tamuning Guam Intl

Thu 11/6

17:20-17:20

1 stop33h 00m

£1,329

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

10:50-14:35

2 stops42h 45m

Tamuning Guam Intl

Mon 12/10

16:40-13:15

2 stops29h 35m

£1,357
Cheapest one-way

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 18/4

22:05-15:35

2 stops56h 30m

£516
Fastest single journey

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sat 18/4

21:30-15:35

2 stops33h 05m

£648

Flights are sorted by cheapest return flights first.

Deals found on 1/4

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 5 April 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
1,767 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Overall

8.3

Food

7.7

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
1,767 reviews
Japan Airlines
8.3
Very Good
1,767 reviews
Check prices

Entertainment

7.8

Comfort

8.2

Crew

8.7

Boarding

8.4

Overall

8.3

Food

7.7

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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Fly with Cheapflights

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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.

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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