£450 Cheap Flights to Guam in 2026

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Recent flights found to popular cities in Guam

Find flights to these popular cities in Guam from your nearest airport.

Flights to Tamuning

Search all flight deals to Tamuning

Korean Air

2 Mar

LHR

18h 15m

1 stop

GUM

19 Mar

GUM

25h 30m

1 stop

LHR

£1,081

Korean Air

2 Mar

LHR

33h 45m

1 stop

GUM

19 Mar

GUM

25h 30m

1 stop

LHR

£1,083

Korean Air

2 Mar

LHR

18h 15m

1 stop

GUM

20 Mar

GUM

33h 40m

1 stop

LHR

£1,090

Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

28 Feb

GUM

33h 40m

1 stop

LHR

£1,126

Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

28 Feb

GUM

33h 40m

1 stop

LHR

£1,128

Multiple Airlines

22 Feb

MAN

29h 15m

2 stops

GUM

28 Feb

GUM

40h 30m

2 stops

MAN

£1,155

Korean Air

13 Mar

LHR

33h 45m

1 stop

GUM

17 Mar

GUM

33h 40m

1 stop

LHR

£1,187

Korean Air

13 Mar

LHR

33h 45m

1 stop

GUM

16 Mar

GUM

25h 30m

1 stop

LHR

£1,189

Korean Air

13 Mar

LHR

33h 45m

1 stop

GUM

16 Mar

GUM

25h 30m

1 stop

LHR

£1,197

Korean Air

8 Mar

MAN

38h 55m

2 stops

GUM

11 Mar

GUM

41h 20m

2 stops

MAN

£1,298

Korean Air

8 Mar

MAN

38h 55m

2 stops

GUM

11 Mar

GUM

41h 20m

2 stops

MAN

£1,301

Korean Air

8 Mar

MAN

38h 55m

2 stops

GUM

11 Mar

GUM

41h 20m

2 stops

MAN

£1,309

Find the cheapest flights from the United Kingdom to Guam

Round-trip

One-way

Recent return flight deals from the United Kingdom to Guam

Enter your travel dates to find the best prices.

18:50 - 23:05

LHR

GUM

18h 15m

1 stop

01:00 - 16:30

GUM

LHR

25h 30m

1 stop

£1,081Korean Air

Mon, 2 Mar - Thu, 19 Mar

18:50 - 14:35

LHR

GUM

33h 45m

1 stop

01:00 - 16:30

GUM

LHR

25h 30m

1 stop

£1,083Korean Air

Mon, 2 Mar - Thu, 19 Mar

18:50 - 23:05

LHR

GUM

18h 15m

1 stop

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,090Korean Air

Mon, 2 Mar - Fri, 20 Mar

18:50 - 23:05

LHR

GUM

18h 15m

1 stop

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,126Korean Air

Tue, 24 Feb - Sat, 28 Feb

18:50 - 23:05

LHR

GUM

18h 15m

1 stop

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,128Korean Air

Tue, 24 Feb - Sat, 28 Feb

09:55 - 01:10

MAN

GUM

29h 15m

2 stops

02:40 - 09:10

GUM

MAN

40h 30m

2 stops

£1,155Multiple Airlines

Sun, 22 Feb - Sat, 28 Feb

18:50 - 14:35

LHR

GUM

33h 45m

1 stop

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,187Korean Air

Fri, 13 Mar - Tue, 17 Mar

18:50 - 14:35

LHR

GUM

33h 45m

1 stop

01:00 - 16:30

GUM

LHR

25h 30m

1 stop

£1,189Korean Air

Fri, 13 Mar - Mon, 16 Mar

18:50 - 14:35

LHR

GUM

33h 45m

1 stop

01:00 - 16:30

GUM

LHR

25h 30m

1 stop

£1,197Korean Air

Fri, 13 Mar - Mon, 16 Mar

13:40 - 14:35

MAN

GUM

38h 55m

2 stops

01:00 - 08:20

GUM

MAN

41h 20m

2 stops

£1,298Korean Air

Sun, 8 Mar - Wed, 11 Mar

Fly from

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Thu 19/3

01:00-16:30

1 stop25h 30m

£1,081

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Thu 19/3

01:00-16:30

1 stop25h 30m

£1,083

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Fri 20/3

16:50-16:30

1 stop33h 40m

£1,090

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 24/2

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Sat 28/2

16:50-16:30

1 stop33h 40m

£1,126

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 24/2

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Sat 28/2

16:50-16:30

1 stop33h 40m

£1,128

ManchesterTamuning

MAN - GUM

MANGUM

Manchester

Sun 22/2

09:55-01:10

2 stops29h 15m

Tamuning Guam Intl

Sat 28/2

02:40-09:10

2 stops40h 30m

£1,155

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 13/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Tue 17/3

16:50-16:30

1 stop33h 40m

£1,187

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 13/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Mon 16/3

01:00-16:30

1 stop25h 30m

£1,189

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 13/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Mon 16/3

01:00-16:30

1 stop25h 30m

£1,197

ManchesterTamuning

MAN - GUM

MANGUM

Manchester

Sun 8/3

13:40-14:35

2 stops38h 55m

Tamuning Guam Intl

Wed 11/3

01:00-08:20

2 stops41h 20m

£1,298

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

Guam flights insights and trends

Explore insights for your Guam flight to craft the best travel plan

How long is the flight from United Kingdom to Guam?

On average, it takes 18h 15m to fly from United Kingdom to Guam if you fly out of London Heathrow (the most popular airport in United Kingdom) and into Tamuning Guam Intl (the most popular airport in Guam). If you’re flying out of Manchester and into Tamuning Guam Intl, then the flight time is around 35h 10m.

Cheapest flights to cities in Guam

Click on the cities below to find out when it's cheapest to fly to Guam from United Kingdom

Tamuning

Find flights to Tamuning

Cheap Guam flight deals and tips

Summary info about Guam flight prices, duration and airlines

Best One-Way Price	£450
Best Round-Trip Price	£1,081
Fastest flight time	42h 00m

The best one-way flight price to Guam from United Kingdom in the last 72 hours is £450 (London Heathrow to Tamuning Guam Intl).

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The best round-trip flight price to Guam from United Kingdom in the last 72 hours is £1,081 (London Heathrow to Tamuning Guam Intl).

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The fastest flight to Guam from United Kingdom takes 42h 00m (London Heathrow to Tamuning Guam Intl).

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Frequently asked questions about flying to Guam

What is the best airport to land at to visit UnderWater World?

Flying into Tamuning Airport is typically the best way to visit UnderWater World, since it is the closest airport to the area.

What is the most popular airport in Guam to fly to?

Tamuning Guam Intl is the most popular airport in Guam to fly to, with 100% of all users travelling to Guam opting to take a flight into this airport. If you’re interested in staying in Tamuning, which is the city in Guam that is closest to Tamuning Guam Intl, then be sure to check momondo for cheap flight deals.

When did momondo last update prices for flights to Guam?

Prices for flights to Guam were last updated today.

How many operators does momondo search for flights to Guam?

There are 2 operators available for flights to Guam as of January 2026.

How old do you have to be to fly 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 to Guam.

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

The required travel and health documents for your Guam trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Guam. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

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

Finding the right flight to Guam is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. These options can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Guam quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Guam which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights to Guam?

momondo provides multiple filters to help you find the best flight to Guam. Filter by price, airline, airport, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Guam, momondo offers a useful price alert feature which will track prices for flights to Guam and alert you when they change.