£946 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

10 Mar

LHR

21h 30m

2 stops

GUM

25 Mar

GUM

25h 25m

1 stop

LHR

£946

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Multiple Airlines

31 Jan

LHR

27h 45m

2 stops

GUM

6 Feb

GUM

28h 45m

2 stops

LHR

£991

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Multiple Airlines

31 Jan

LGW

28h 30m

2 stops

GUM

6 Feb

GUM

44h 20m

3 stops

LGW

£997

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Multiple Airlines

31 Jan

LGW

28h 40m

3 stops

GUM

6 Feb

GUM

44h 20m

3 stops

LGW

£1,067

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Multiple Airlines

31 Jan

LGW

28h 00m

2 stops

GUM

7 Feb

GUM

34h 55m

2 stops

LGW

£1,080

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Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

27 Feb

GUM

25h 30m

1 stop

LHR

£1,091

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Korean Air

24 Feb

LHR

33h 45m

1 stop

GUM

28 Feb

GUM

33h 40m

1 stop

LHR

£1,093

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Multiple Airlines

10 Mar

LGW

27h 55m

2 stops

GUM

26 Mar

GUM

34h 10m

2 stops

LGW

£1,111

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Japan Airlines

14 Jun

LHR

43h 20m

2 stops

GUM

18 Jun

GUM

25h 30m

2 stops

LHR

£1,131

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Japan Airlines

14 Jun

LHR

43h 20m

2 stops

GUM

18 Jun

GUM

33h 25m

2 stops

LHR

£1,133

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Multiple Airlines

10 Mar

LHR

33h 20m

2 stops

GUM

26 Mar

GUM

34h 40m

2 stops

LHR

£1,143

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Multiple Airlines

31 Jan

LHR

32h 35m

3 stops

GUM

6 Feb

GUM

25h 55m

2 stops

LHR

£1,154

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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

Enter your travel dates to find the best prices.

17:40 - 01:10

LHR

GUM

21h 30m2 stops

02:40 - 18:05

GUM

LHR

25h 25m1 stop

£946Multiple Airlines

Tue, 10 Mar - Wed, 25 Mar

14:15 - 04:00

LHR

GUM

27h 45m2 stops

02:40 - 21:25

GUM

LHR

28h 45m2 stops

£991Multiple Airlines

Sat, 31 Jan - Fri, 6 Feb

10:30 - 01:00

LGW

GUM

28h 30m2 stops

02:40 - 13:00

GUM

LGW

44h 20m3 stops

£997Multiple Airlines

Sat, 31 Jan - Fri, 6 Feb

10:30 - 01:10

LGW

GUM

28h 40m3 stops

02:40 - 13:00

GUM

LGW

44h 20m3 stops

£1,067Multiple Airlines

Sat, 31 Jan - Fri, 6 Feb

18:50 - 23:05

LHR

GUM

18h 15m1 stop

01:00 - 16:30

GUM

LHR

25h 30m1 stop

£1,091Korean Air

Tue, 24 Feb - Fri, 27 Feb

18:50 - 14:35

LHR

GUM

33h 45m1 stop

16:50 - 16:30

GUM

LHR

33h 40m1 stop

£1,093Korean Air

Tue, 24 Feb - Sat, 28 Feb

10:20 - 14:40

LHR

GUM

43h 20m2 stops

16:40 - 09:10

GUM

LHR

25h 30m2 stops

£1,131Japan Airlines

Sun, 14 Jun - Thu, 18 Jun

10:20 - 14:40

LHR

GUM

43h 20m2 stops

16:40 - 17:05

GUM

LHR

33h 25m2 stops

£1,133Japan Airlines

Sun, 14 Jun - Thu, 18 Jun

11:30 - 18:05

EDI

GUM

45h 35m2 stops

12:15 - 08:05

GUM

EDI

28h 50m2 stops

£11,082United Airlines

Sun, 14 Jun - Thu, 18 Jun

11:30 - 18:05

EDI

GUM

45h 35m2 stops

12:15 - 08:05

GUM

EDI

28h 50m2 stops

£11,083United Airlines

Sun, 14 Jun - Thu, 18 Jun

Fly from

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 10/3

17:40-01:10

2 stops21h 30m

Tamuning Guam Intl

Wed 25/3

02:40-18:05

1 stop25h 25m

£946

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 31/1

14:15-04:00

2 stops27h 45m

Tamuning Guam Intl

Fri 6/2

02:40-21:25

2 stops28h 45m

£991

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sat 31/1

10:30-01:00

2 stops28h 30m

Tamuning Guam Intl

Fri 6/2

02:40-13:00

3 stops44h 20m

£997

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Sat 31/1

10:30-01:10

3 stops28h 40m

Tamuning Guam Intl

Fri 6/2

02:40-13:00

3 stops44h 20m

£1,067

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 24/2

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Fri 27/2

01:00-16:30

1 stop25h 30m

£1,091

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 24/2

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Sat 28/2

16:50-16:30

1 stop33h 40m

£1,093

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 14/6

10:20-14:40

2 stops43h 20m

Tamuning Guam Intl

Thu 18/6

16:40-09:10

2 stops25h 30m

£1,131

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 14/6

10:20-14:40

2 stops43h 20m

Tamuning Guam Intl

Thu 18/6

16:40-17:05

2 stops33h 25m

£1,133

EdinburghTamuning

EDI - GUM

EDIGUM

Edinburgh Turnhouse

Sun 14/6

11:30-18:05

2 stops45h 35m

Tamuning Guam Intl

Thu 18/6

12:15-08:05

2 stops28h 50m

£11,082

EdinburghTamuning

EDI - GUM

EDIGUM

Edinburgh Turnhouse

Sun 14/6

11:30-18:05

2 stops45h 35m

Tamuning Guam Intl

Thu 18/6

12:15-08:05

2 stops28h 50m

£11,083

Flights are sorted by cheapest return flights first.

Showing 1-10 of 15 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 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 One-Way Price	£464
Best Round-Trip Price	£946
Fastest flight time	41h 55m

The best one-way flight price to Guam from United Kingdom in the last 72 hours is £464 (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 £946 (London Heathrow to Tamuning Guam Intl).

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The fastest flight to Guam from United Kingdom takes 41h 55m (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.

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 2 operators available for flights to Guam as of December 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.