£1,086 Cheap Flights to Guam in 2026

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

Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

28 Feb

GUM

33h 40m

1 stop

LHR

£1,086

Korean Air

24 Feb

LHR

18h 15m

1 stop

GUM

28 Feb

GUM

33h 40m

1 stop

LHR

£1,090

Japan Airlines

2 May

EDI

57h 05m

2 stops

GUM

16 May

GUM

35h 20m

2 stops

EDI

£1,129

Korean Air

7 Feb

LHR

33h 45m

1 stop

GUM

14 Feb

GUM

33h 40m

1 stop

LHR

£1,131

Multiple Airlines

10 Feb

EDI

29h 35m

3 stops

GUM

16 Feb

GUM

39h 05m

3 stops

EDI

£1,153

Korean Air

14 Mar

LHR

18h 15m

1 stop

GUM

18 Mar

GUM

33h 40m

1 stop

LHR

£1,193

Korean Air

14 Mar

LHR

18h 15m

1 stop

GUM

17 Mar

GUM

25h 30m

1 stop

LHR

£1,197

Multiple Airlines

2 May

EDI

30h 20m

3 stops

GUM

15 May

GUM

42h 20m

3 stops

EDI

£1,202

Multiple Airlines

10 Feb

EDI

22h 10m

2 stops

GUM

16 Feb

GUM

54h 30m

2 stops

EDI

£1,211

Korean Air

7 Feb

LHR

18h 15m

1 stop

GUM

14 Feb

GUM

33h 40m

1 stop

LHR

£1,223

Multiple Airlines

10 Feb

EDI

31h 40m

2 stops

GUM

16 Feb

GUM

39h 05m

3 stops

EDI

£1,256

Multiple Airlines

2 May

EDI

35h 25m

2 stops

GUM

15 May

GUM

42h 20m

3 stops

EDI

£1,267

Find the cheapest flights from the United Kingdom to Guam

Round-trip

Last minute

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

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,086Korean 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

£1,090Korean Air

Tue, 24 Feb - Sat, 28 Feb

20:35 - 14:40

EDI

GUM

57h 05m

2 stops

16:40 - 19:00

GUM

EDI

35h 20m

2 stops

£1,129Japan Airlines

Sat, 2 May - Sat, 16 May

18:50 - 14:35

LHR

GUM

33h 45m

1 stop

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,131Korean Air

Sat, 7 Feb - Sat, 14 Feb

09:35 - 01:10

EDI

GUM

29h 35m

3 stops

02:40 - 07:45

GUM

EDI

39h 05m

3 stops

£1,153Multiple Airlines

Tue, 10 Feb - Mon, 16 Feb

18:50 - 23:05

LHR

GUM

18h 15m

1 stop

16:50 - 16:30

GUM

LHR

33h 40m

1 stop

£1,193Korean Air

Sat, 14 Mar - Wed, 18 Mar

18:50 - 23:05

LHR

GUM

18h 15m

1 stop

01:00 - 16:30

GUM

LHR

25h 30m

1 stop

£1,197Korean Air

Sat, 14 Mar - Tue, 17 Mar

08:35 - 23:55

EDI

GUM

30h 20m

3 stops

02:50 - 12:10

GUM

EDI

42h 20m

3 stops

£1,202Multiple Airlines

Sat, 2 May - Fri, 15 May

17:25 - 14:35

LHR

GUM

59h 10m

2 stops

16:35 - 17:00

GUM

LHR

34h 25m

2 stops

£1,387Japan Airlines

Sat, 14 Mar - Wed, 18 Mar

10:45 - 14:35

LHR

GUM

65h 50m

2 stops

16:35 - 09:10

GUM

LHR

26h 35m

2 stops

£1,392Japan Airlines

Sat, 14 Mar - Wed, 18 Mar

Fly from

Route

Depart

Return

Price

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

£1,086

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

£1,090

EdinburghTamuning

EDI - GUM

EDIGUM

Edinburgh Turnhouse

Sat 2/5

20:35-14:40

2 stops57h 05m

Tamuning Guam Intl

Sat 16/5

16:40-19:00

2 stops35h 20m

£1,129

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 7/2

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Sat 14/2

16:50-16:30

1 stop33h 40m

£1,131

EdinburghTamuning

EDI - GUM

EDIGUM

Edinburgh Turnhouse

Tue 10/2

09:35-01:10

3 stops29h 35m

Tamuning Guam Intl

Mon 16/2

02:40-07:45

3 stops39h 05m

£1,153

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 14/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Wed 18/3

16:50-16:30

1 stop33h 40m

£1,193

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 14/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Tue 17/3

01:00-16:30

1 stop25h 30m

£1,197

EdinburghTamuning

EDI - GUM

EDIGUM

Edinburgh Turnhouse

Sat 2/5

08:35-23:55

3 stops30h 20m

Tamuning Guam Intl

Fri 15/5

02:50-12:10

3 stops42h 20m

£1,202

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 14/3

17:25-14:35

2 stops59h 10m

Tamuning Guam Intl

Wed 18/3

16:35-17:00

2 stops34h 25m

£1,387

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 14/3

10:45-14:35

2 stops65h 50m

Tamuning Guam Intl

Wed 18/3

16:35-09:10

2 stops26h 35m

£1,392

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	£1,086
Fastest flight time	18h 15m

The best round-trip flight price to Guam from United Kingdom in the last 72 hours is £1,086 (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 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.