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Cheap flights from Guam to London from £405

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Guam to London departing on 10/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from Guam to London

Recent return flight deals from Guam to London

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 12:35
GUM
-
LGW
39h 35m
3 stops
Multiple Airlines Logo
10:05 - 04:20
LGW
-
GUM
57h 15m
3 stops
£1,065Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
00:50 - 14:20
GUM
-
LHR
22h 30m
1 stop
Multiple Airlines Logo
16:35 - 03:35
LHR
-
GUM
26h 00m
1 stop
£1,074Multiple Airlines
Wed, 3 Jun - Fri, 19 Jun
Multiple Airlines Logo
17:20 - 18:40
GUM
-
LHR
34h 20m
2 stops
Multiple Airlines Logo
19:35 - 01:00
LHR
-
GUM
20h 25m
1 stop
£1,106Multiple Airlines
Mon, 8 Jun - Mon, 15 Jun
Multiple Airlines Logo
00:50 - 15:00
GUM
-
LGW
47h 10m
3 stops
Multiple Airlines Logo
09:00 - 04:20
LGW
-
GUM
34h 20m
3 stops
£1,134Multiple Airlines
Mon, 18 May - Tue, 26 May
Multiple Airlines Logo
00:50 - 14:20
GUM
-
LHR
22h 30m
1 stop
Multiple Airlines Logo
16:35 - 01:00
LHR
-
GUM
23h 25m
1 stop
£1,155Multiple Airlines
Sun, 7 Jun - Mon, 15 Jun
Multiple Airlines Logo
00:50 - 12:35
GUM
-
LGW
44h 45m
2 stops
Multiple Airlines Logo
10:05 - 03:35
LGW
-
GUM
32h 30m
2 stops
£1,158Multiple Airlines
Sun, 7 Jun - Mon, 15 Jun
Multiple Airlines Logo
00:50 - 09:10
GUM
-
LHR
41h 20m
3 stops
Multiple Airlines Logo
06:00 - 04:20
LHR
-
GUM
37h 20m
3 stops
£1,178Multiple Airlines
Mon, 18 May - Tue, 26 May
Multiple Airlines Logo
00:50 - 20:25
GUM
-
LHR
28h 35m
2 stops
Multiple Airlines Logo
16:35 - 23:45
LHR
-
GUM
22h 10m
1 stop
£1,217Multiple Airlines
Wed, 3 Jun - Fri, 19 Jun
Multiple Airlines Logo
06:00 - 16:10
GUM
-
LHR
43h 10m
2 stops
Multiple Airlines Logo
19:50 - 04:20
LHR
-
GUM
47h 30m
2 stops
£1,221Multiple Airlines
Thu, 4 Jun - Fri, 19 Jun
Multiple Airlines Logo
06:00 - 07:05
GUM
-
LHR
34h 05m
2 stops
Multiple Airlines Logo
16:50 - 04:20
LHR
-
GUM
50h 30m
2 stops
£1,250Multiple Airlines
Thu, 4 Jun - Fri, 19 Jun

Korean Air flights from Guam to London

Our best Korean Air deals on Guam to London flight tickets
Korean Air
4 Jun
GUM17:20Tamuning Guam Intl
33h 00m
1 stop
LHR17:20London Heathrow
19 Jun
LHR19:35London Heathrow
35h 00m
1 stop
GUM15:35Tamuning Guam Intl
£1,481
Korean Air
19 May
GUM17:20Tamuning Guam Intl
34h 30m
1 stop
LHR18:50London Heathrow
26 May
LHR13:25London Heathrow
41h 10m
1 stop
GUM15:35Tamuning Guam Intl
£1,555

momondo Fare Finder

 
Customise your flight search to find flights from Guam to London 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 24 April 2026.
Use the filters below to find and compare flights from Guam to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Mon 8/6

06:00-12:35

3 stops39h 35m

London Gatwick

Mon 15/6

10:05-04:20

3 stops57h 15m

£1,065

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 3/6

00:50-14:20

1 stop22h 30m

London Heathrow

Fri 19/6

16:35-03:35

1 stop26h 00m

£1,074

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 8/6

17:20-18:40

2 stops34h 20m

London Heathrow

Mon 15/6

19:35-01:00

1 stop20h 25m

£1,106

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Mon 18/5

00:50-15:00

3 stops47h 10m

London Gatwick

Tue 26/5

09:00-04:20

3 stops34h 20m

£1,134
Fastest return journey

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 7/6

00:50-14:20

1 stop22h 30m

London Heathrow

Mon 15/6

16:35-01:00

1 stop23h 25m

£1,155

TamuningLondon

GUM - LGW

GUMLGW

Tamuning Guam Intl

Sun 7/6

00:50-12:35

2 stops44h 45m

London Gatwick

Mon 15/6

10:05-03:35

2 stops32h 30m

£1,158

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 18/5

00:50-09:10

3 stops41h 20m

London Heathrow

Tue 26/5

06:00-04:20

3 stops37h 20m

£1,178

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 3/6

00:50-20:25

2 stops28h 35m

London Heathrow

Fri 19/6

16:35-23:45

1 stop22h 10m

£1,217

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 4/6

06:00-16:10

2 stops43h 10m

London Heathrow

Fri 19/6

19:50-04:20

2 stops47h 30m

£1,221

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 4/6

06:00-07:05

2 stops34h 05m

London Heathrow

Fri 19/6

16:50-04:20

2 stops50h 30m

£1,250

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Cheap Guam to London flight deals and tips

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

Fastest flight time

34h 05m

Direct flights

None
The fastest flight from Guam to London takes 34h 05m
There are no direct flights from Guam to London. There are no popular flight routes from Guam to London.
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Frequently asked questions about flying from Guam to London

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

    Prices for flights from Guam to London are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Guam to London.

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

    The travel and health documents required for your trip to London 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 London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Guam to London

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Guam from London. 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 Guam to London with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Eastbourne
Milton Keynes
Luton
Gatwick
Slough
Maidstone
Wembley
Southend-on-Sea
Ipswich
Canterbury
Ilford
Guildford
Hayes
Dover
Chelmsford
Folkestone
Chichester
Bedford
Ramsgate
Harlow

Why use momondo?

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

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 Guam to London for you.

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

Yes. All flights to London from Guam on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Guam to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Guam to London now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to London and let you know when they change.

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Find better results for your trip to the United Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London
London City Airport
London Gatwick Airport
London Heathrow Airport
London Luton Airport
London Southend Airport
London Stansted Airport