£522 Cheap Flights to Guam in 2025/26

1 adult

0 bags

Voted winner of Europe's Best Travel App 2023

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

9 Mar

LHR

21h 30m

2 stops

GUM

14 Mar

GUM

25h 10m

2 stops

LHR

£522

Find similar

Multiple Airlines

9 Mar

LGW

28h 40m

3 stops

GUM

14 Mar

GUM

37h 50m

3 stops

LGW

£672

Find similar

Multiple Airlines

9 Mar

LHR

33h 10m

3 stops

GUM

14 Mar

GUM

28h 20m

2 stops

LHR

£771

Find similar

Multiple Airlines

9 Mar

LHR

21h 30m

2 stops

GUM

15 Mar

GUM

35h 15m

1 stop

LHR

£826

Find similar

Multiple Airlines

9 Mar

LHR

21h 30m

2 stops

GUM

14 Mar

GUM

25h 25m

1 stop

LHR

£839

Find similar

Multiple Airlines

9 Mar

LHR

20h 20m

1 stop

GUM

14 Mar

GUM

25h 25m

1 stop

LHR

£962

Find similar

Multiple Airlines

9 Mar

LHR

28h 10m

2 stops

GUM

15 Mar

GUM

24h 50m

2 stops

LHR

£1,014

Find similar

Multiple Airlines

9 Mar

LHR

20h 20m

1 stop

GUM

15 Mar

GUM

35h 15m

1 stop

LHR

£1,054

Find similar

Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

27 Feb

GUM

25h 30m

1 stop

LHR

£1,088

Find similar

Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

27 Feb

GUM

25h 30m

1 stop

LHR

£1,090

Find similar

Korean Air

2 Mar

LHR

18h 15m

1 stop

GUM

19 Mar

GUM

25h 30m

1 stop

LHR

£1,091

Find similar

Multiple Airlines

9 Mar

LGW

33h 00m

2 stops

GUM

15 Mar

GUM

34h 10m

2 stops

LGW

£1,129

Find similar

Find the cheapest flights from the United Kingdom to Guam

Round-trip

Recent return flight deals from the United Kingdom to Guam

Enter your travel dates to find the best prices.

17:40 - 01:10LHR-GUM

21h 30m2 stops

02:40 - 17:50GUM-LHR

25h 10m2 stops

£522Multiple Airlines

Find Deal

Mon, 9 Mar - Sat, 14 Mar

10:30 - 01:10LGW-GUM

28h 40m3 stops

02:40 - 06:30GUM-LGW

37h 50m3 stops

£672Multiple Airlines

Find Deal

Mon, 9 Mar - Sat, 14 Mar

06:00 - 01:10LHR-GUM

33h 10m3 stops

02:40 - 21:00GUM-LHR

28h 20m2 stops

£771Multiple Airlines

Find Deal

Mon, 9 Mar - Sat, 14 Mar

17:40 - 01:10LHR-GUM

21h 30m2 stops

16:50 - 18:05GUM-LHR

35h 15m1 stop

£826Multiple Airlines

Find Deal

Mon, 9 Mar - Sun, 15 Mar

17:40 - 01:10LHR-GUM

21h 30m2 stops

02:40 - 18:05GUM-LHR

25h 25m1 stop

£839Multiple Airlines

Find Deal

Mon, 9 Mar - Sat, 14 Mar

18:50 - 01:10LHR-GUM

20h 20m1 stop

02:40 - 18:05GUM-LHR

25h 25m1 stop

£962Multiple Airlines

Find Deal

Mon, 9 Mar - Sat, 14 Mar

08:55 - 23:05LHR-GUM

28h 10m2 stops

16:50 - 07:40GUM-LHR

24h 50m2 stops

£1,014Multiple Airlines

Find Deal

Mon, 9 Mar - Sun, 15 Mar

18:50 - 01:10LHR-GUM

20h 20m1 stop

16:50 - 18:05GUM-LHR

35h 15m1 stop

£1,054Multiple Airlines

Find Deal

Mon, 9 Mar - Sun, 15 Mar

18:50 - 23:05LHR-GUM

18h 15m1 stop

01:00 - 16:30GUM-LHR

25h 30m1 stop

£1,088Korean Air

Find Deal

Tue, 24 Feb - Fri, 27 Feb

18:50 - 23:05LHR-GUM

18h 15m1 stop

01:00 - 16:30GUM-LHR

25h 30m1 stop

£1,090Korean Air

Find Deal

Tue, 24 Feb - Fri, 27 Feb

Fly from

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

17:40-01:10

2 stops21h 30m

Tamuning Guam Intl

Sat 14/3

02:40-17:50

2 stops25h 10m

£522

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Mon 9/3

10:30-01:10

3 stops28h 40m

Tamuning Guam Intl

Sat 14/3

02:40-06:30

3 stops37h 50m

£672

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

06:00-01:10

3 stops33h 10m

Tamuning Guam Intl

Sat 14/3

02:40-21:00

2 stops28h 20m

£771

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

17:40-01:10

2 stops21h 30m

Tamuning Guam Intl

Sun 15/3

16:50-18:05

1 stop35h 15m

£826

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

17:40-01:10

2 stops21h 30m

Tamuning Guam Intl

Sat 14/3

02:40-18:05

1 stop25h 25m

£839

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

18:50-01:10

1 stop20h 20m

Tamuning Guam Intl

Sat 14/3

02:40-18:05

1 stop25h 25m

£962

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

08:55-23:05

2 stops28h 10m

Tamuning Guam Intl

Sun 15/3

16:50-07:40

2 stops24h 50m

£1,014

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

18:50-01:10

1 stop20h 20m

Tamuning Guam Intl

Sun 15/3

16:50-18:05

1 stop35h 15m

£1,054

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

£1,088

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

£1,090

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 25h 20m.

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	£522
Fastest flight time	18h 15m

The best round-trip flight price to Guam from United Kingdom in the last 72 hours is £522 (London Heathrow to Tamuning Guam Intl).

Search Deals

The fastest flight to Guam from United Kingdom takes 18h 15m (London Heathrow to Tamuning Guam Intl).

Search Deals

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:
£222 per person with Philippine Airlines
£831 per person with Japan Airlines
£1,054 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 November 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.