£672 Cheap Flights to Guam in 2025/26

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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

Multiple Airlines

8 Nov

LHR

39h 30m

2 stops

GUM

14 Nov

GUM

27h 35m

2 stops

LHR

£672

Find similar

Multiple Airlines

8 Nov

LHR

30h 00m

3 stops

GUM

14 Nov

GUM

27h 30m

2 stops

LHR

£711

Find similar

Multiple Airlines

8 Nov

LHR

40h 50m

1 stop

GUM

14 Nov

GUM

27h 45m

1 stop

LHR

£930

Find similar

Multiple Airlines

8 Nov

LHR

19h 20m

1 stop

GUM

14 Nov

GUM

27h 30m

2 stops

LHR

£939

Find similar

Multiple Airlines

8 Nov

LHR

27h 45m

2 stops

GUM

15 Nov

GUM

35h 45m

2 stops

LHR

£981

Find similar

Multiple Airlines

8 Nov

LHR

19h 20m

1 stop

GUM

15 Nov

GUM

35h 40m

2 stops

LHR

£1,019

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Korean Air

2 Mar

LHR

33h 45m

1 stop

GUM

19 Mar

GUM

25h 30m

1 stop

LHR

£1,086

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Korean Air

2 Mar

LHR

18h 15m

1 stop

GUM

20 Mar

GUM

33h 40m

1 stop

LHR

£1,087

Find similar

Japan Airlines

2 Mar

LHR

38h 30m

2 stops

GUM

20 Mar

GUM

49h 50m

2 stops

LHR

£1,156

Find similar

Japan Airlines

2 Mar

LHR

38h 30m

2 stops

GUM

20 Mar

GUM

49h 50m

2 stops

LHR

£1,158

Find similar

Multiple Airlines

8 Nov

LHR

19h 20m

1 stop

GUM

15 Nov

GUM

35h 55m

1 stop

LHR

£1,222

Find similar

Multiple Airlines

2 Mar

LHR

25h 35m

2 stops

GUM

20 Mar

GUM

33h 40m

1 stop

LHR

£1,342

Find similar

Find the cheapest flights from the United Kingdom to Guam

Round-trip

Recent return flight deals from the United Kingdom to Guam

21:30 - 23:00LHR-GUM

39h 30m2 stops

00:20 - 17:55GUM-LHR

27h 35m2 stops

£672Multiple Airlines

Find Deal

Sat, 8 Nov - Fri, 14 Nov

07:00 - 23:00LHR-GUM

30h 00m3 stops

00:20 - 17:50GUM-LHR

27h 30m2 stops

£711Multiple Airlines

Find Deal

Sat, 8 Nov - Fri, 14 Nov

20:10 - 23:00LHR-GUM

40h 50m1 stop

00:20 - 18:05GUM-LHR

27h 45m1 stop

£930Multiple Airlines

Find Deal

Sat, 8 Nov - Fri, 14 Nov

20:10 - 01:30LHR-GUM

19h 20m1 stop

00:20 - 17:50GUM-LHR

27h 30m2 stops

£939Multiple Airlines

Find Deal

Sat, 8 Nov - Fri, 14 Nov

18:50 - 14:35LHR-GUM

33h 45m1 stop

01:00 - 16:30GUM-LHR

25h 30m1 stop

£1,086Korean Air

Find Deal

Mon, 2 Mar - Thu, 19 Mar

18:50 - 23:05LHR-GUM

18h 15m1 stop

16:50 - 16:30GUM-LHR

33h 40m1 stop

£1,087Korean Air

Find Deal

Mon, 2 Mar - Fri, 20 Mar

14:05 - 14:35LHR-GUM

38h 30m2 stops

16:35 - 08:25GUM-LHR

49h 50m2 stops

£1,156Japan Airlines

Find Deal

Mon, 2 Mar - Fri, 20 Mar

14:05 - 14:35LHR-GUM

38h 30m2 stops

16:35 - 08:25GUM-LHR

49h 50m2 stops

£1,158Japan Airlines

Find Deal

Mon, 2 Mar - Fri, 20 Mar

13:35 - 04:20LHR-GUM

52h 45m2 stops

07:25 - 05:55GUM-LHR

56h 30m3 stops

£1,914United Airlines

Find Deal

Mon, 2 Mar - Fri, 20 Mar

10:25 - 04:20LHR-GUM

55h 55m2 stops

07:25 - 05:55GUM-LHR

56h 30m3 stops

£1,917United Airlines

Find Deal

Mon, 2 Mar - Fri, 20 Mar

Fly from

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 8/11

21:30-23:00

2 stops39h 30m

Tamuning Guam Intl

Fri 14/11

00:20-17:55

2 stops27h 35m

£672

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 8/11

07:00-23:00

3 stops30h 00m

Tamuning Guam Intl

Fri 14/11

00:20-17:50

2 stops27h 30m

£711

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 8/11

20:10-23:00

1 stop40h 50m

Tamuning Guam Intl

Fri 14/11

00:20-18:05

1 stop27h 45m

£930

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 8/11

20:10-01:30

1 stop19h 20m

Tamuning Guam Intl

Fri 14/11

00:20-17:50

2 stops27h 30m

£939

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

£1,086

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

£1,087

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

14:05-14:35

2 stops38h 30m

Tamuning Guam Intl

Fri 20/3

16:35-08:25

2 stops49h 50m

£1,156

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

14:05-14:35

2 stops38h 30m

Tamuning Guam Intl

Fri 20/3

16:35-08:25

2 stops49h 50m

£1,158

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

13:35-04:20

2 stops52h 45m

Tamuning Guam Intl

Fri 20/3

07:25-05:55

3 stops56h 30m

£1,914

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

10:25-04:20

2 stops55h 55m

Tamuning Guam Intl

Fri 20/3

07:25-05:55

3 stops56h 30m

£1,917

Flights are sorted by cheapest return flights first.

Sorted 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 38h 55m.

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 Round-Trip Price	£672
Fastest flight time	18h 15m

The best round-trip flight price to Guam from United Kingdom in the last 72 hours is £672 (London Heathrow to Tamuning Guam Intl).

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The fastest flight to Guam from United Kingdom takes 18h 15m (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 cheapest flight to Guam?

The best prices found on momondo for flights to Guam are:
£205 per person with Philippine Airlines
£798 per person with Japan Airlines
£1,013 per person with Korean Air

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.

What is the best day of the week to fly to Guam?

Sunday is the best day of the week to fly to Guam based on flight prices. Thursday is another affordable option. If you are looking to save money on flights to Guam, then try to avoid flying out on a Friday since this is when prices are at their highest.

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 3 operators available for flights to Guam as of September 2025.

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.