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Cheap flights from London to Guam from £1,056

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 13/11. 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
1 adult, Economy, 0 bags
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Find the cheapest flights from London to Guam

Cheap return flights

Enter your travel dates to find the best prices.
Philippine Airlines Logo
14:15 - 04:20
LHR
-
GUM
28h 05m
2 stops
Philippine Airlines Logo
06:00 - 06:25
GUM
-
LHR
34h 25m
2 stops
£1,056Philippine Airlines
Fri, 13 Nov - Tue, 17 Nov
Philippine Airlines Logo
15:05 - 04:20
LHR
-
GUM
28h 15m
2 stops
Philippine Airlines Logo
06:00 - 06:25
GUM
-
LHR
33h 25m
2 stops
£1,072Philippine Airlines
Mon, 28 Sep - Mon, 12 Oct
Philippine Airlines Logo
15:05 - 04:20
LHR
-
GUM
28h 15m
2 stops
Philippine Airlines Logo
06:00 - 06:25
GUM
-
LHR
33h 25m
2 stops
£1,097Philippine Airlines
Mon, 28 Sep - Mon, 12 Oct
Philippine Airlines Logo
14:15 - 04:20
LHR
-
GUM
28h 05m
2 stops
Philippine Airlines Logo
06:00 - 06:25
GUM
-
LHR
34h 25m
2 stops
£1,100Philippine Airlines
Sat, 28 Nov - Wed, 2 Dec
Philippine Airlines Logo
15:05 - 04:20
LHR
-
GUM
28h 15m
2 stops
Philippine Airlines Logo
06:00 - 06:25
GUM
-
LHR
33h 25m
2 stops
£1,102Philippine Airlines
Mon, 28 Sep - Mon, 12 Oct
Korean Air Logo
19:35 - 15:35
LHR
-
GUM
35h 00m
1 stop
Korean Air Logo
17:20 - 17:20
GUM
-
LHR
33h 00m
1 stop
£1,168Korean Air
Mon, 28 Sep - Mon, 12 Oct
Korean Air Logo
19:35 - 23:55
LHR
-
GUM
19h 20m
1 stop
Korean Air Logo
17:20 - 17:20
GUM
-
LHR
33h 00m
1 stop
£1,168Korean Air
Mon, 28 Sep - Mon, 12 Oct
Korean Air Logo
19:35 - 23:55
LHR
-
GUM
19h 20m
1 stop
Korean Air Logo
02:00 - 17:20
GUM
-
LHR
24h 20m
1 stop
£1,171Korean Air
Mon, 28 Sep - Sun, 11 Oct
Korean Air Logo
19:35 - 15:35
LHR
-
GUM
35h 00m
1 stop
Korean Air Logo
02:00 - 17:20
GUM
-
LHR
24h 20m
1 stop
£1,174Korean Air
Mon, 28 Sep - Sun, 11 Oct
Multiple Airlines Logo
09:00 - 14:35
LGW
-
GUM
44h 35m
2 stops
Multiple Airlines Logo
16:35 - 06:40
GUM
-
LGW
47h 05m
2 stops
£1,338Multiple Airlines
Wed, 8 Jul - Wed, 15 Jul

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Philippine Airlines flights from London to Guam

Our best Philippine Airlines deals on London to Guam flight tickets
Philippine Airlines
13 Nov
LHR14:15London Heathrow
28h 05m
2 stops
GUM04:20Tamuning Guam Intl
17 Nov
GUM06:00Tamuning Guam Intl
34h 25m
2 stops
LHR06:25London Heathrow
£1,056
Philippine Airlines
28 Sept
LHR15:05London Heathrow
28h 15m
2 stops
GUM04:20Tamuning Guam Intl
12 Oct
GUM06:00Tamuning Guam Intl
33h 25m
2 stops
LHR06:25London Heathrow
£1,072
Philippine Airlines
28 Sept
LHR15:05London Heathrow
28h 15m
2 stops
GUM04:20Tamuning Guam Intl
12 Oct
GUM06:00Tamuning Guam Intl
33h 25m
2 stops
LHR06:25London Heathrow
£1,097

Korean Air flights from London to Guam

Our best Korean Air deals on London to Guam flight tickets
Korean Air
28 Sept
LHR19:35London Heathrow
35h 00m
1 stop
GUM15:35Tamuning Guam Intl
12 Oct
GUM17:20Tamuning Guam Intl
33h 00m
1 stop
LHR17:20London Heathrow
£1,168
Korean Air
28 Sept
LHR19:35London Heathrow
19h 20m
1 stop
GUM23:55Tamuning Guam Intl
12 Oct
GUM17:20Tamuning Guam Intl
33h 00m
1 stop
LHR17:20London Heathrow
£1,168
Korean Air
28 Sept
LHR19:35London Heathrow
19h 20m
1 stop
GUM23:55Tamuning Guam Intl
11 Oct
GUM02:00Tamuning Guam Intl
24h 20m
1 stop
LHR17:20London Heathrow
£1,171

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 11 June 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

Fri 13/11

14:15-04:20

2 stops28h 05m

Tamuning Guam Intl

Tue 17/11

06:00-06:25

2 stops34h 25m

£1,056

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

15:05-04:20

2 stops28h 15m

Tamuning Guam Intl

Mon 12/10

06:00-06:25

2 stops33h 25m

£1,072

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

15:05-04:20

2 stops28h 15m

Tamuning Guam Intl

Mon 12/10

06:00-06:25

2 stops33h 25m

£1,097

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 28/11

14:15-04:20

2 stops28h 05m

Tamuning Guam Intl

Wed 2/12

06:00-06:25

2 stops34h 25m

£1,100

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

15:05-04:20

2 stops28h 15m

Tamuning Guam Intl

Mon 12/10

06:00-06:25

2 stops33h 25m

£1,102

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

19:35-15:35

1 stop35h 00m

Tamuning Guam Intl

Mon 12/10

17:20-17:20

1 stop33h 00m

£1,168

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Mon 12/10

17:20-17:20

1 stop33h 00m

£1,168
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Sun 11/10

02:00-17:20

1 stop24h 20m

£1,171

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

19:35-15:35

1 stop35h 00m

Tamuning Guam Intl

Sun 11/10

02:00-17:20

1 stop24h 20m

£1,174

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Wed 8/7

09:00-14:35

2 stops44h 35m

Tamuning Guam Intl

Wed 15/7

16:35-06:40

2 stops47h 05m

£1,338

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

Cheap London to Guam flight deals and tips

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

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from London to Guam takes 19h 20m
There are no direct flights from London to Guam. There are no popular flight routes from London to Guam.
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Frequently asked questions about flying from London to Guam

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

    Prices for flights from London to Guam refresh daily.

  • 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.

Frequently asked questions about flying from London to Guam

  • How do I get Price Alerts for flights from London to Guam?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to London from Guam. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from London to Guam with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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.

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Popular Cities in Guam

Popular flights according to clicks in the last 7 days on momondo
Flights to Tamuningfrom £794