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

Prices for flights from Guam to London Heathrow Airport are updated daily.

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

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 Heathrow Airport.

What documentation or ID do you need to fly to London Heathrow Airport?

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

£445 Cheap Flights from Guam to London Heathrow Airport in 2026

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Find the cheapest flights from Guam to London

Return

One-way

Recent return flight deals from Guam to London

Enter your travel dates to find the best prices.

00:50 - 19:20

GUM

LHR

27h 30m

2 stops

06:40 - 03:35

LHR

GUM

35h 55m

3 stops

£1,136Multiple Airlines

Thu, 6 Aug - Fri, 14 Aug

06:00 - 07:35

GUM

LHR

34h 35m

2 stops

15:05 - 04:20

LHR

GUM

28h 15m

2 stops

£1,356Multiple Airlines

Fri, 7 Aug - Fri, 14 Aug

02:00 - 14:20

GUM

LHR

21h 20m

1 stop

16:35 - 01:00

LHR

GUM

23h 25m

1 stop

£1,604Multiple Airlines

Thu, 6 Aug - Fri, 14 Aug

04:40 - 20:25

GUM

LHR

24h 45m

2 stops

16:35 - 23:45

LHR

GUM

22h 10m

1 stop

£1,626Multiple Airlines

Fri, 7 Aug - Fri, 14 Aug

04:40 - 07:00

GUM

LHR

35h 20m

3 stops

09:30 - 03:35

LHR

GUM

33h 05m

3 stops

£1,697Multiple Airlines

Fri, 7 Aug - Fri, 14 Aug

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Use the filters below to find and compare flights from Guam to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 6/8

00:50-19:20

2 stops27h 30m

London Heathrow

Fri 14/8

06:40-03:35

3 stops35h 55m

£1,136

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 7/8

06:00-07:35

2 stops34h 35m

London Heathrow

Fri 14/8

15:05-04:20

2 stops28h 15m

£1,356

Fastest return journey

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 6/8

02:00-14:20

1 stop21h 20m

London Heathrow

Fri 14/8

16:35-01:00

1 stop23h 25m

£1,604

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 7/8

04:40-20:25

2 stops24h 45m

London Heathrow

Fri 14/8

16:35-23:45

1 stop22h 10m

£1,626

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 7/8

04:40-07:00

3 stops35h 20m

London Heathrow

Fri 14/8

09:30-03:35

3 stops33h 05m

£1,697

Cheapest one-way

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 9/8

04:40-19:50

2 stops48h 10m

£445

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 12/10

06:00-06:25

2 stops33h 25m

£518

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 9/8

06:00-19:20

3 stops46h 20m

£591

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 7/9

16:35-13:15

2 stops29h 40m

£691

Fastest single journey

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sat 8/8

00:50-14:20

1 stop22h 30m

£897

Flights are sorted by cheapest return flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

How to get the cheapest flight ticket from Guam to London Heathrow Airport

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 airline that flies from Guam to London Heathrow?

Philippine Airlines and Korean Air are the most popular carriers operating from Guam to London Heathrow

Cheap Guam to London Heathrow Airport flight deals and tips

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

Fastest flight time	33h 25m
Direct flights	None

The fastest flight from Guam to London Heathrow Airport takes 33h 25m

There are no direct flights from Guam to London Heathrow Airport. There are no popular flight routes from Guam to London Heathrow Airport.

Search flight deals

Frequently asked questions about flying from Guam to London Heathrow Airport

When did momondo last update prices for flights from Guam to London Heathrow Airport?
Prices for flights from Guam to London Heathrow Airport are updated daily.
How old do you have to be to fly from Guam to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Eastbourne

Wembley

Milton Keynes

Gatwick

Luton

Stratford-upon-Avon

Slough

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Maidstone

Northampton

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Poole

Guildford

Hayes

Chichester

Bedford

Why use momondo?

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

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

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

Flights from Guam to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

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

Of course. momondo tracks the price of Guam to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.