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Cheap flights from London to Guam from £995

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
21 May — 28 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 21 April 2026.

Tue 29/1220:05
LHR
-
GUM
2 stops56h 30m
Multiple Airlines
Wed 10/216:35
GUM
-
LHR
2 stops60h 40m
Multiple Airlines
Deal found 17/4£995
Thu 14/509:30
LHR
-
GUM
2 stops44h 10m
Multiple Airlines
Thu 21/516:40
GUM
-
LHR
2 stops30h 25m
Multiple Airlines
Deal found 18/4£1,072
Tue 15/1215:25
LHR
-
GUM
2 stops37h 10m
Multiple Airlines
Tue 12/116:35
GUM
-
LHR
2 stops25h 50m
Multiple Airlines
Deal found 16/4£1,147
Tue 29/1218:40
LGW
-
GUM
2 stops57h 55m
Multiple Airlines
Wed 10/206:00
GUM
-
LGW
2 stops34h 40m
Multiple Airlines
Deal found 17/4£1,315
Thu 3/1218:50
LHR
-
GUM
1 stop33h 45m
Korean Air
Mon 7/1216:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Deal found 19/4£1,329
Tue 15/1218:50
LHR
-
GUM
1 stop33h 45m
Korean Air
Tue 12/116:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Deal found 16/4£1,382
Mon 28/916:00
LHR
-
GUM
2 stops37h 35m
Multiple Airlines
Mon 12/1016:40
GUM
-
LHR
2 stops30h 30m
Multiple Airlines
Deal found 20/4£1,458
Sun 13/1218:50
LHR
-
GUM
1 stop33h 45m
Korean Air
Tue 12/116:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Deal found 16/4£1,464
Tue 15/1208:40
LGW
-
GUM
2 stops43h 55m
Multiple Airlines
Tue 12/116:35
GUM
-
LGW
2 stops47h 20m
Multiple Airlines
Deal found 16/4£1,505

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 April 2026.

Round-trip from

£1,072
14/5-21/5
  • 14/5-21/5
  • 4 total stops
  • 74h 35m 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 21 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

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 14/5

09:30-14:40

2 stops44h 10m

Tamuning Guam Intl

Thu 21/5

16:40-14:05

2 stops30h 25m

£1,072
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

16:00-14:35

2 stops37h 35m

Tamuning Guam Intl

Mon 12/10

16:40-14:10

2 stops30h 30m

£1,458

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 14/5

13:25-15:35

1 stop41h 10m

Tamuning Guam Intl

Thu 21/5

17:20-17:20

1 stop33h 00m

£1,493

Flights are sorted by cheapest return flights first.

Deals found on 18/4

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 21 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
1,786 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

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
1,786 reviews
Japan Airlines
8.3
Very Good
1,786 reviews
Check prices

Boarding

8.4

Food

7.7

Crew

8.7

Overall

8.3

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.

  • How long is the flight from London to Guam?

    There are many flights that can get you from London to Guam in 41h 10m. Fly via Korean Air to get the fastest option. Airlines will cover a distance of 7483 mi.

  • 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.

See more FAQs

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Fly with Cheapflights

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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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