£377 Cheap Flights to Guam in 2025

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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

27 Oct

LHR

42h 00m

2 stops

GUM

10 Nov

GUM

39h 10m

2 stops

LHR

£2,850

Find similar

Multiple Airlines

27 Oct

LHR

30h 00m

2 stops

GUM

11 Nov

GUM

25h 35m

1 stop

LHR

£2,904

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Multiple Airlines

27 Oct

LHR

30h 00m

2 stops

GUM

9 Nov

GUM

25h 35m

1 stop

LHR

£2,928

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Multiple Airlines

27 Oct

LHR

30h 00m

2 stops

GUM

10 Nov

GUM

25h 35m

1 stop

LHR

£2,935

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Multiple Airlines

27 Oct

LGW

42h 05m

2 stops

GUM

10 Nov

GUM

47h 40m

2 stops

LGW

£2,956

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Multiple Airlines

26 Oct

LHR

33h 00m

2 stops

GUM

11 Nov

GUM

25h 35m

1 stop

LHR

£2,974

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Multiple Airlines

25 Oct

LHR

43h 55m

2 stops

GUM

11 Nov

GUM

25h 35m

1 stop

LHR

£2,976

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Multiple Airlines

26 Oct

LHR

33h 00m

2 stops

GUM

9 Nov

GUM

25h 35m

1 stop

LHR

£2,997

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Multiple Airlines

26 Oct

LHR

33h 00m

2 stops

GUM

10 Nov

GUM

25h 35m

1 stop

LHR

£3,006

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Multiple Airlines

27 Oct

LHR

30h 00m

2 stops

GUM

7 Nov

GUM

25h 35m

1 stop

LHR

£3,040

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Multiple Airlines

26 Oct

LHR

33h 00m

2 stops

GUM

7 Nov

GUM

25h 35m

1 stop

LHR

£3,110

Find similar

Multiple Airlines

29 Oct

LHR

42h 00m

2 stops

GUM

11 Nov

GUM

25h 35m

1 stop

LHR

£3,191

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Find the cheapest flights from the United Kingdom to Guam

Round-trip

One-way

Recent return flight deals from the United Kingdom to Guam

10:35 - 14:35LHR-GUM

42h 00m2 stops

16:50 - 22:00GUM-LHR

39h 10m2 stops

£2,850

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Mon, 27 Oct - Mon, 10 Nov

09:30 - 01:30LHR-GUM

30h 00m2 stops

02:30 - 18:05GUM-LHR

25h 35m1 stop

£2,904

Find Deal

Mon, 27 Oct - Tue, 11 Nov

09:30 - 01:30LHR-GUM

30h 00m2 stops

02:30 - 18:05GUM-LHR

25h 35m1 stop

£2,928

Find Deal

Mon, 27 Oct - Sun, 9 Nov

09:30 - 01:30LHR-GUM

30h 00m2 stops

02:30 - 18:05GUM-LHR

25h 35m1 stop

£2,935

Find Deal

Mon, 27 Oct - Mon, 10 Nov

10:30 - 14:35LGW-GUM

42h 05m2 stops

16:50 - 06:30GUM-LGW

47h 40m2 stops

£2,956

Find Deal

Mon, 27 Oct - Mon, 10 Nov

06:30 - 01:30LHR-GUM

33h 00m2 stops

02:30 - 18:05GUM-LHR

25h 35m1 stop

£2,974

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Sun, 26 Oct - Tue, 11 Nov

20:35 - 01:30LHR-GUM

43h 55m2 stops

02:30 - 18:05GUM-LHR

25h 35m1 stop

£2,976

Find Deal

Sat, 25 Oct - Tue, 11 Nov

06:30 - 01:30LHR-GUM

33h 00m2 stops

02:30 - 18:05GUM-LHR

25h 35m1 stop

£2,997

Find Deal

Sun, 26 Oct - Sun, 9 Nov

18:50 - 14:35LHR-GUM

33h 45m1 stop

16:50 - 16:30GUM-LHR

33h 40m1 stop

£4,154Korean Air

Find Deal

Mon, 27 Oct - Mon, 10 Nov

18:50 - 14:35LHR-GUM

33h 45m1 stop

16:50 - 16:30GUM-LHR

33h 40m1 stop

£4,245Korean Air

Find Deal

Mon, 27 Oct - Tue, 11 Nov

Fly from

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 27/10

10:35-14:35

2 stops42h 00m

Tamuning Guam Intl

Mon 10/11

16:50-22:00

2 stops39h 10m

£2,850

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 27/10

09:30-01:30

2 stops30h 00m

Tamuning Guam Intl

Tue 11/11

02:30-18:05

1 stop25h 35m

£2,904

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 27/10

09:30-01:30

2 stops30h 00m

Tamuning Guam Intl

Sun 9/11

02:30-18:05

1 stop25h 35m

£2,928

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 27/10

09:30-01:30

2 stops30h 00m

Tamuning Guam Intl

Mon 10/11

02:30-18:05

1 stop25h 35m

£2,935

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Mon 27/10

10:30-14:35

2 stops42h 05m

Tamuning Guam Intl

Mon 10/11

16:50-06:30

2 stops47h 40m

£2,956

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 26/10

06:30-01:30

2 stops33h 00m

Tamuning Guam Intl

Tue 11/11

02:30-18:05

1 stop25h 35m

£2,974

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 25/10

20:35-01:30

2 stops43h 55m

Tamuning Guam Intl

Tue 11/11

02:30-18:05

1 stop25h 35m

£2,976

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 26/10

06:30-01:30

2 stops33h 00m

Tamuning Guam Intl

Sun 9/11

02:30-18:05

1 stop25h 35m

£2,997

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 27/10

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Mon 10/11

16:50-16:30

1 stop33h 40m

£4,154

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 27/10

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Tue 11/11

16:50-16:30

1 stop33h 40m

£4,245

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 33h 30m 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 27h 15m.

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	£377
Best Round-Trip Price	£2,850
Fastest flight time	20h 30m

The best one-way flight price to Guam from United Kingdom in the last 72 hours is £377 (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 £2,850 (London Heathrow to Tamuning Guam Intl).

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The fastest flight to Guam from United Kingdom takes 20h 30m (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:
£215 per person with Philippine Airlines
£805 per person with Japan Airlines
£1,020 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 August 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.