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Cheap flights from London to Guam from £811

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Guam departing on 8/12. 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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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
17:40 - 01:20LHR-GUM
21h 40m2 stops
Multiple Airlines Logo
02:20 - 18:05GUM-LHR
25h 45m1 stop
£811Multiple Airlines
Find Deal
seg, 8 dez - qui, 11 dez
Multiple Airlines Logo
17:40 - 01:00LHR-GUM
21h 20m2 stops
Multiple Airlines Logo
02:20 - 16:30GUM-LHR
24h 10m1 stop
£858Multiple Airlines
Find Deal
ter, 25 nov - qui, 27 nov
Multiple Airlines Logo
18:50 - 01:20LHR-GUM
20h 30m1 stop
Multiple Airlines Logo
02:20 - 18:05GUM-LHR
25h 45m1 stop
£934Multiple Airlines
Find Deal
seg, 8 dez - qui, 11 dez
Multiple Airlines Logo
18:50 - 01:20LHR-GUM
20h 30m1 stop
Multiple Airlines Logo
02:20 - 18:05GUM-LHR
25h 45m1 stop
£967Multiple Airlines
Find Deal
ter, 25 nov - qui, 27 nov
Multiple Airlines Logo
18:50 - 01:20LHR-GUM
20h 30m1 stop
Multiple Airlines Logo
16:10 - 12:05GUM-LHR
29h 55m2 stops
£1,060Multiple Airlines
Find Deal
seg, 8 dez - sex, 12 dez
Korean Air Logo
18:50 - 23:05LHR-GUM
18h 15m1 stop
Korean Air Logo
16:50 - 16:30GUM-LHR
33h 40m1 stop
£1,093Korean Air
Find Deal
seg, 2 mar - sex, 20 mar
Korean Air Logo
18:50 - 14:35LHR-GUM
33h 45m1 stop
Korean Air Logo
01:00 - 16:30GUM-LHR
25h 30m1 stop
£1,153Korean Air
Find Deal
seg, 2 mar - qui, 19 mar
Japan Airlines Logo
07:30 - 14:35LHR-GUM
45h 05m2 stops
Japan Airlines Logo
16:35 - 09:10GUM-LHR
26h 35m2 stops
£1,330Japan Airlines
Find Deal
ter, 24 fev - sáb, 28 fev
Japan Airlines Logo
18:10 - 14:35LHR-GUM
58h 25m2 stops
Japan Airlines Logo
16:35 - 08:25GUM-LHR
49h 50m2 stops
£1,362Japan Airlines
Find Deal
seg, 8 dez - sex, 12 dez
United Airlines Logo
07:55 - 04:20LHR-GUM
34h 25m2 stops
United Airlines Logo
07:40 - 09:40GUM-LHR
36h 00m2 stops
£1,937United Airlines
Find Deal
seg, 3 nov - seg, 10 nov

Korean Air flights from London to Guam

Our best Korean Air deals on London to Guam flight tickets
Korean Air
2 Mar
LHR18:50London Heathrow
18h 15m
1 stop
GUM23:05Tamuning Guam Intl
20 Mar
GUM16:50Tamuning Guam Intl
33h 40m
1 stop
LHR16:30London Heathrow
£1,093
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
£1,153
Find similar
Korean Air
24 Feb
LHR18:50London Heathrow
18h 15m
1 stop
GUM23:05Tamuning Guam Intl
27 Feb
GUM01:00Tamuning Guam Intl
25h 30m
1 stop
LHR16:30London Heathrow
£1,162
Find similar

Japan Airlines flights from London to Guam

Our best Japan Airlines deals on London to Guam flight tickets
Japan Airlines
24 Feb
LHR07:30London Heathrow
45h 05m
2 stops
GUM14:35Tamuning Guam Intl
28 Feb
GUM16:35Tamuning Guam Intl
26h 35m
2 stops
LHR09:10London Heathrow
£1,330
Find similar
Japan Airlines
8 Dec
LHR18:10London Heathrow
58h 25m
2 stops
GUM14:35Tamuning Guam Intl
12 Dec
GUM16:35Tamuning Guam Intl
49h 50m
2 stops
LHR08:25London Heathrow
£1,362
Find similar
Japan Airlines
24 Feb
LHR10:20London Heathrow
42h 15m
2 stops
GUM14:35Tamuning Guam Intl
28 Feb
GUM16:35Tamuning Guam Intl
32h 40m
2 stops
LHR15:15London Heathrow
£1,369
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 21 outubro 2025.
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

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 8/12

17:40-01:20

2 stops21h 40m

Tamuning Guam Intl

qui 11/12

02:20-18:05

1 stop25h 45m

£811

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

ter 25/11

17:40-01:00

2 stops21h 20m

Tamuning Guam Intl

qui 27/11

02:20-16:30

1 stop24h 10m

£858

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 8/12

18:50-01:20

1 stop20h 30m

Tamuning Guam Intl

qui 11/12

02:20-18:05

1 stop25h 45m

£934

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

ter 25/11

18:50-01:20

1 stop20h 30m

Tamuning Guam Intl

qui 27/11

02:20-18:05

1 stop25h 45m

£967

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 8/12

18:50-01:20

1 stop20h 30m

Tamuning Guam Intl

sex 12/12

16:10-12:05

2 stops29h 55m

£1,060

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 2/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

sex 20/3

16:50-16:30

1 stop33h 40m

£1,093

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 2/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

qui 19/3

01:00-16:30

1 stop25h 30m

£1,153

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

ter 24/2

07:30-14:35

2 stops45h 05m

Tamuning Guam Intl

sáb 28/2

16:35-09:10

2 stops26h 35m

£1,330

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 8/12

18:10-14:35

2 stops58h 25m

Tamuning Guam Intl

sex 12/12

16:35-08:25

2 stops49h 50m

£1,362

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

seg 3/11

07:55-04:20

2 stops34h 25m

Tamuning Guam Intl

seg 10/11

07:40-09:40

2 stops36h 00m

£1,937

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Guam from

How to get the cheapest flight ticket from London 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 London, when ticket prices are also cheap, with an average price of £917.

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 £851. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from London to Guam for around £2,033.

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

Our data shows that the cheapest London 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 £1,046. In contrast, the most expensive time of day to depart to Guam is in the afternoon when prices are around £1,118.

Cheap London to Guam flight deals and tips

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

Direct flights

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

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

    Prices for flights from London to Guam refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Guam.

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

    The necessary travel and health documents for your Guam trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to Guam

Compare and see reviews for airlines that fly from London to Guam with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom £821Free CancellationRating
8.3
1,582 reviews
Search Japan Airlines flights
Korean AirPriceFrom £1,029Free CancellationRating
8.4
1,153 reviews
Search Korean Air flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Guam for you.

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

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

How can momondo help me find flights from London to Guam?

Once all potential London 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 London to Guam right now. Can momondo alert me if prices change?

Price alerts on flights to Guam from London are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Guam trip

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1 adult
qui 20/11
qui 27/11
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Popular Cities in Guam

Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom £1,046