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.

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.

£1,263 Cheap Flights from London to Guam in 2026

Find the cheapest flights from London to Guam

Return

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

19:35 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

19h 20m1 stop Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,263Korean Air

Mon, 28 Sep - Sun, 11 Oct

19:35 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

19h 20m1 stop Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,264Korean Air

Mon, 28 Sep - Sun, 11 Oct

19:35 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

19h 20m1 stop Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,265Korean Air

Mon, 28 Sep - Sun, 11 Oct

19:35 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

19h 20m1 stop Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,266Korean Air

Mon, 28 Sep - Sun, 11 Oct

19:35 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

19h 20m1 stop Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,272Korean Air

Mon, 28 Sep - Sun, 11 Oct

09:30 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

29h 25m2 stops Abu Dhabi Zayed Intl Incheon Intl

17:20 - 18:45GUM Tamuning Guam Intl-LHR London Heathrow

34h 25m2 stops Incheon Intl Abu Dhabi Zayed Intl

£1,465Multiple Airlines

Mon, 28 Sep - Mon, 12 Oct

09:30 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

29h 25m2 stops Abu Dhabi Zayed Intl Incheon Intl

17:20 - 18:45GUM Tamuning Guam Intl-LHR London Heathrow

34h 25m2 stops Incheon Intl Abu Dhabi Zayed Intl

£1,466Multiple Airlines

Mon, 28 Sep - Mon, 12 Oct

20:55 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

42h 00m2 stops Amsterdam Schiphol Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,620Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

20:55 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

42h 00m2 stops Amsterdam Schiphol Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,621Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

20:55 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

42h 00m2 stops Amsterdam Schiphol Incheon Intl

02:00 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

24h 20m1 stop Incheon Intl

£1,624Multiple Airlines

Mon, 28 Sep - Sun, 11 Oct

Cheap last-minute flights

Enter your travel dates to find the best prices.

19:35 - 23:55LHR London Heathrow-GUM Tamuning Guam Intl

19h 20m1 stop Incheon Intl

17:20 - 17:20GUM Tamuning Guam Intl-LHR London Heathrow

33h 00m1 stop Incheon Intl

£1,382Korean Air

Sat, 5 Sep - Wed, 9 Sep

13:25 - 15:35LHR London Heathrow-GUM Tamuning Guam Intl

41h 10m1 stop Incheon Intl

17:20 - 18:50GUM Tamuning Guam Intl-LHR London Heathrow

34h 30m1 stop Incheon Intl

£1,466Korean Air

Sat, 5 Sep - Wed, 9 Sep

13:25 - 15:35LHR London Heathrow-GUM Tamuning Guam Intl

41h 10m1 stop Incheon Intl

17:20 - 18:50GUM Tamuning Guam Intl-LHR London Heathrow

34h 30m1 stop Incheon Intl

£1,468Korean Air

Sat, 5 Sep - Wed, 9 Sep

13:25 - 15:35LHR London Heathrow-GUM Tamuning Guam Intl

41h 10m1 stop Incheon Intl

02:00 - 18:50GUM Tamuning Guam Intl-LHR London Heathrow

25h 50m1 stop Incheon Intl

£1,471Korean Air

Sat, 5 Sep - Tue, 8 Sep

15:05 - 04:20LHR London Heathrow-GUM Tamuning Guam Intl

28h 15m2 stops Doha Hamad Intl Manila Ninoy Aquino Intl

06:00 - 06:25GUM Tamuning Guam Intl-LHR London Heathrow

57h 25m2 stops Manila Ninoy Aquino Intl Doha Hamad Intl

£1,596Philippine Airlines

Sat, 5 Sep - Wed, 9 Sep

15:05 - 04:20LHR London Heathrow-GUM Tamuning Guam Intl

28h 15m2 stops Doha Hamad Intl Manila Ninoy Aquino Intl

06:00 - 06:25GUM Tamuning Guam Intl-LHR London Heathrow

57h 25m2 stops Manila Ninoy Aquino Intl Doha Hamad Intl

£1,605Philippine Airlines

Sat, 5 Sep - Wed, 9 Sep

15:05 - 04:20LHR London Heathrow-GUM Tamuning Guam Intl

28h 15m2 stops Doha Hamad Intl Manila Ninoy Aquino Intl

06:00 - 06:25GUM Tamuning Guam Intl-LHR London Heathrow

57h 25m2 stops Manila Ninoy Aquino Intl Doha Hamad Intl

£1,673Philippine Airlines

Sat, 5 Sep - Wed, 9 Sep

15:05 - 04:20LHR London Heathrow-GUM Tamuning Guam Intl

28h 15m2 stops Doha Hamad Intl Manila Ninoy Aquino Intl

06:00 - 06:25GUM Tamuning Guam Intl-LHR London Heathrow

57h 25m2 stops Manila Ninoy Aquino Intl Doha Hamad Intl

£2,373Philippine Airlines

Sat, 5 Sep - Wed, 9 Sep

15:05 - 04:20LHR London Heathrow-GUM Tamuning Guam Intl

28h 15m2 stops Doha Hamad Intl Manila Ninoy Aquino Intl

06:00 - 06:25GUM Tamuning Guam Intl-LHR London Heathrow

57h 25m2 stops Manila Ninoy Aquino Intl Doha Hamad Intl

£2,638Philippine Airlines

Sat, 5 Sep - Wed, 9 Sep

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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

19h 20m

1 stop

GUM23:55Tamuning Guam Intl

11 Oct

GUM02:00Tamuning Guam Intl

24h 20m

1 stop

LHR17:20London Heathrow

£1,263

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

£1,264

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

£1,265

Philippine Airlines flights from London to Guam

Our best Philippine Airlines deals on London to Guam flight tickets

Philippine Airlines

5 Sept

LHR15:05London Heathrow

28h 15m

2 stops

GUM04:20Tamuning Guam Intl

9 Sept

GUM06:00Tamuning Guam Intl

57h 25m

2 stops

LHR06:25London Heathrow

£1,596

Philippine Airlines

5 Sept

LHR15:05London Heathrow

28h 15m

2 stops

GUM04:20Tamuning Guam Intl

9 Sept

GUM06:00Tamuning Guam Intl

57h 25m

2 stops

LHR06:25London Heathrow

£1,605

Philippine Airlines

5 Sept

LHR15:05London Heathrow

28h 15m

2 stops

GUM04:20Tamuning Guam Intl

9 Sept

GUM06:00Tamuning Guam Intl

57h 25m

2 stops

LHR06:25London Heathrow

£1,673

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

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

£1,263

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

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

£1,264

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

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

£1,265

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

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

£1,266

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

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

£1,272

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 28/9

09:30-23:55

2 stops29h 25m

Tamuning Guam Intl

Mon 12/10

17:20-18:45

2 stops34h 25m

£1,465

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 28/9

09:30-23:55

2 stops29h 25m

Tamuning Guam Intl

Mon 12/10

17:20-18:45

2 stops34h 25m

£1,466

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 28/9

20:55-23:55

2 stops42h 00m

Tamuning Guam Intl

Sun 11/10

02:00-17:20

1 stop24h 20m

£1,620

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 28/9

20:55-23:55

2 stops42h 00m

Tamuning Guam Intl

Sun 11/10

02:00-17:20

1 stop24h 20m

£1,621

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 28/9

20:55-23:55

2 stops42h 00m

Tamuning Guam Intl

Sun 11/10

02:00-17:20

1 stop24h 20m

£1,624

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

Best price found	£1,263
Fastest flight time	28h 30m
Direct flights	None

The best flight deal from London to Guam found on momondo in the last 72 hours is £1,263

The fastest flight from London to Guam takes 28h 30m

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

Search flight deals

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.

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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Flights to Tamuningfrom £840

Cheap flights from London to Guam from £1,263

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 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from London to Guam

Cheap return flights

Cheap last-minute flights

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Korean Air flights from London to Guam

Our best Korean Air deals on London to Guam flight tickets

Philippine Airlines flights from London to Guam

Our best Philippine Airlines deals on London to Guam flight tickets

momondo Fare Finder

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

Cheap London to Guam flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from London to Guam

Frequently asked questions about flying from London to Guam

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Guam

Popular Cities in Guam

Popular flights according to clicks in the last 7 days on momondo

London flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Guam

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Guam

Explore popular destinations other users love

According to popular flight searches on momondo this year