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Cheap flights from the United Kingdom to Guam from £410

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United Kingdom to Guam departing on 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
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Find the cheapest flights from the United Kingdom to Guam

Recent return flight deals from the United Kingdom to Guam

Logo
17:40 - 01:20LHR-GUM
21h 40m2 stops
Logo
02:20 - 15:55GUM-LHR
47h 35m2 stops
£734
Find Deal
Mon, 9 Mar - Fri, 13 Mar
Logo
20:10 - 01:20LHR-GUM
19h 10m1 stop
Logo
02:20 - 18:05GUM-LHR
25h 45m1 stop
£1,013
Find Deal
Mon, 9 Mar - Fri, 13 Mar
Logo
08:55 - 23:05LHR-GUM
28h 10m2 stops
Logo
16:50 - 07:40GUM-LHR
24h 50m2 stops
£1,036
Find Deal
Mon, 9 Mar - Sat, 14 Mar
Korean Air Logo
18:50 - 23:05LHR-GUM
18h 15m1 stop
Korean Air Logo
01:00 - 16:30GUM-LHR
25h 30m1 stop
£1,091Korean Air
Find Deal
Mon, 2 Mar - Thu, 19 Mar
Korean Air Logo
18:50 - 14:35LHR-GUM
33h 45m1 stop
Korean Air Logo
01:00 - 16:30GUM-LHR
25h 30m1 stop
£1,092Korean Air
Find Deal
Mon, 2 Mar - Thu, 19 Mar
Japan Airlines Logo
14:05 - 14:35LHR-GUM
38h 30m2 stops
Japan Airlines Logo
16:35 - 08:25GUM-LHR
49h 50m2 stops
£1,161Japan Airlines
Find Deal
Mon, 2 Mar - Fri, 20 Mar
Japan Airlines Logo
14:05 - 14:35LHR-GUM
38h 30m2 stops
Japan Airlines Logo
16:35 - 08:25GUM-LHR
49h 50m2 stops
£1,163Japan Airlines
Find Deal
Mon, 2 Mar - Fri, 20 Mar
Logo
09:00 - 04:00LGW-GUM
33h 00m2 stops
Logo
05:45 - 06:40GUM-LGW
34h 55m2 stops
£1,192
Find Deal
Mon, 9 Mar - Sat, 14 Mar
United Airlines Logo
07:40 - 04:20LHR-GUM
34h 40m2 stops
United Airlines Logo
07:25 - 05:55GUM-LHR
56h 30m3 stops
£1,923United Airlines
Find Deal
Mon, 2 Mar - Fri, 20 Mar
United Airlines Logo
10:25 - 04:20LHR-GUM
55h 55m2 stops
United Airlines Logo
07:25 - 05:55GUM-LHR
56h 30m3 stops
£1,925United Airlines
Find Deal
Mon, 2 Mar - Fri, 20 Mar

Korean Air flights from United Kingdom to Guam

Our best Korean Air deals on United Kingdom to Guam flight tickets
Korean Air
2 Mar
LHR18:50London Heathrow
18h 15m
1 stop
GUM23:05Tamuning Guam Intl
19 Mar
GUM01:00Tamuning Guam Intl
25h 30m
1 stop
LHR16:30London Heathrow
£1,091
Find similar
Korean Air
2 Mar
LHR18:50London Heathrow
33h 45m
1 stop
GUM14:35Tamuning Guam Intl
19 Mar
GUM01:00Tamuning Guam Intl
25h 30m
1 stop
LHR16:30London Heathrow
£1,092
Find similar
Korean Air
31 Jan
LHR18:50London Heathrow
18h 15m
1 stop
GUM23:05Tamuning Guam Intl
20 Apr
GUM17:00Tamuning Guam Intl
33h 20m
1 stop
LHR17:20London Heathrow
£3,931
Find similar

Japan Airlines flights from United Kingdom to Guam

Our best Japan Airlines deals on United Kingdom to Guam flight tickets
Japan Airlines
2 Mar
LHR14:05London Heathrow
38h 30m
2 stops
GUM14:35Tamuning Guam Intl
20 Mar
GUM16:35Tamuning Guam Intl
49h 50m
2 stops
LHR08:25London Heathrow
£1,161
Find similar
Japan Airlines
2 Mar
LHR14:05London Heathrow
38h 30m
2 stops
GUM14:35Tamuning Guam Intl
20 Mar
GUM16:35Tamuning Guam Intl
49h 50m
2 stops
LHR08:25London Heathrow
£1,163
Find similar
Japan Airlines
31 Jan
LHR19:15London Heathrow
57h 20m
2 stops
GUM14:35Tamuning Guam Intl
20 Apr
GUM16:40Tamuning Guam Intl
32h 00m
1 stop
LHR15:40London Heathrow
£3,194
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from United Kingdom 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, momondo users made 279,928 searches. Data last updated 12 September 2025.
Use the filters below to find and compare flights from the United Kingdom to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

17:40-01:20

2 stops21h 40m

Tamuning Guam Intl

Fri 13/3

02:20-15:55

2 stops47h 35m

£734

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

20:10-01:20

1 stop19h 10m

Tamuning Guam Intl

Fri 13/3

02:20-18:05

1 stop25h 45m

£1,013

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

08:55-23:05

2 stops28h 10m

Tamuning Guam Intl

Sat 14/3

16:50-07:40

2 stops24h 50m

£1,036

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Thu 19/3

01:00-16:30

1 stop25h 30m

£1,091

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Thu 19/3

01:00-16:30

1 stop25h 30m

£1,092

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

14:05-14:35

2 stops38h 30m

Tamuning Guam Intl

Fri 20/3

16:35-08:25

2 stops49h 50m

£1,161

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

14:05-14:35

2 stops38h 30m

Tamuning Guam Intl

Fri 20/3

16:35-08:25

2 stops49h 50m

£1,163

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Mon 9/3

09:00-04:00

2 stops33h 00m

Tamuning Guam Intl

Sat 14/3

05:45-06:40

2 stops34h 55m

£1,192

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

07:40-04:20

2 stops34h 40m

Tamuning Guam Intl

Fri 20/3

07:25-05:55

3 stops56h 30m

£1,923

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

10:25-04:20

2 stops55h 55m

Tamuning Guam Intl

Fri 20/3

07:25-05:55

3 stops56h 30m

£1,925

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Guam from

How to get the cheapest flight ticket from United Kingdom to Guam

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Guam?

If you don’t want to visit Guam in June, then you should wait until September to fly from United Kingdom, when ticket prices are also cheap, with an average price of £909.

What is the cheapest day to depart on your flight to Guam?

Our data shows that Sunday is the least expensive day to fly to Guam. Tickets to fly out on this day can be as low as £843. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from United Kingdom to Guam for around £2,015.

What is the cheapest time of day to depart on your flight to Guam?

Our data shows that the cheapest United Kingdom to Guam flights are usually those with departure times in the evening. Our users have found flights to Guam in the evening for as low as £1,036. In contrast, the most expensive time of day to depart to Guam is in the afternoon when prices are around £1,108.

Cheap United Kingdom to Guam flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United Kingdom to Guam

Direct flights

None
There are no direct flights from United Kingdom to Guam. There are no popular flight routes from United Kingdom to Guam.
Search flight deals

  • When did momondo last update prices for flights from United Kingdom to Guam?

    Prices for flights from United Kingdom to Guam refresh daily.

  • How many operators does momondo search for flights from United Kingdom to Guam?

  • How old do you have to be to fly from United Kingdom to Guam?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United Kingdom to Guam.

  • What documentation or ID do you need to fly to Guam?

    The travel and health documents required for your trip to Guam can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Guam. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from United Kingdom to Guam

Compare and see reviews for airlines that fly from United Kingdom to Guam with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom £813Free CancellationRating
8.3
1,559 reviews
Search Japan Airlines flights
Korean AirPriceFrom £1,020Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights

Why use momondo?

Why should I use momondo to find a flight deal from United Kingdom to Guam?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from United Kingdom to Guam. momondo saves you time and could save you money on your trip.

Can I find flights from United Kingdom to Guam with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United Kingdom to Guam flights to just show those with flexible booking policies.

How can momondo help me find flights from United Kingdom to Guam?

Once all potential United Kingdom to Guam flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from United Kingdom to Guam right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Guam from United Kingdom. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Guam trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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