In terms of precipitation, rainfall in Guam ranges from 65.0 - 365.0 inches per month. August is typically the wettest month, when rainfall can reach 365.0 mm. March is typically the driest time to visit Guam when rainfall is around 65.0 mm.

If weather is an important factor for your trip to Guam, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What is the cheapest month to fly from United Kingdom to Guam?

June is one of the best times of the year to fly to Guam from United Kingdom. Prices for June average £974 per person but you can even find prices for as low as £823. The most expensive prices can be found in the month of October. Opting for a June flight can save you 17% on your journey compared to booking in October

Can I find deals for flights from United Kingdom to Guam that include hotel bookings?

Yes. In addition to deals on United Kingdom to Guam flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Guam?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Guam.

Can I find deals for business class flights from United Kingdom to Guam?

Yes. Cheapflights offers flight deals from United Kingdom to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£1,368+ Flights from the United Kingdom to Guam

Cheap flight deals from United Kingdom to Guam

Round-trip from	£974
Popular in	October
Cheapest in	June
Average price	£852

12/8-18/8
5 total stops
70h 50m total
United Kingdom to Guam

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£19 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from United Kingdom to Guam

Cheapest flights from United Kingdom to Guam
Explore the most affordable flight options available from United Kingdom to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Tue 12/806:05LGW - GUM

3 stops34h 55mMultiple Airlines

Mon 18/803:40GUM - LGW

2 stops35h 55mMultiple Airlines

Deal found 28/6£974

Thu 14/807:10LHR - GUM

2 stops46h 30mMultiple Airlines

Thu 21/816:40GUM - LHR

2 stops36h 10mMultiple Airlines

Deal found 29/6£977

Tue 12/819:45LHR - GUM

2 stops57h 55mJapan Airlines

Mon 18/816:40GUM - LHR

2 stops47h 40mJapan Airlines

Deal found 30/6£991

Best flights from United Kingdom to Guam
Discover carefully curated flight deals from United Kingdom to Guam that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 June 2025.

Tue 12/806:05LGW - GUM

3 stops34h 55mMultiple Airlines

Mon 18/803:40GUM - LGW

2 stops35h 55mMultiple Airlines

Deal found 28/6£974

Tue 12/819:45LHR - GUM

2 stops57h 55mJapan Airlines

Mon 18/816:40GUM - LHR

2 stops47h 40mJapan Airlines

Deal found 30/6£991

Thu 14/807:10LHR - GUM

2 stops46h 30mMultiple Airlines

Thu 21/816:40GUM - LHR

2 stops36h 10mMultiple Airlines

Deal found 29/6£977

Last-minute flights from United Kingdom to Guam
Discover last-minute flight deals from United Kingdom to Guam. Data last updated 30 June 2025 and is based on user searches.

Thu 10/715:35LHR - GUM

2 stops38h 05mMultiple Airlines

Thu 31/716:40GUM - LHR

2 stops47h 45mMultiple Airlines

Deal found 30/6£1,038

Thu 10/712:35LGW - GUM

2 stops28h 55mMultiple Airlines

Wed 30/703:40GUM - LGW

2 stops35h 55mMultiple Airlines

Deal found 30/6£1,132

Thu 10/719:20LHR - GUM

1 stop34h 20mJapan Airlines

Thu 31/716:40GUM - LHR

2 stops47h 45mJapan Airlines

Deal found 30/6£1,213

Mon 28/711:25LHR - GUM

2 stops42h 15mJapan Airlines

Mon 4/816:40GUM - LHR

2 stops33h 25mJapan Airlines

Deal found 30/6£1,172

Mon 28/719:35LHR - GUM

1 stop19h 35mKorean Air

Sun 3/801:55GUM - LHR

1 stop24h 25mKorean Air

Deal found 30/6£1,535

One-way flights from United Kingdom to Guam
Search for one-way flight options from United Kingdom to Guam. Find affordable one-way fares based on user searches. Data last updated 30 June 2025.

Thu 10/711:20LHR - GUM

3 stops56h 10mMultiple Airlines

Deal found 29/6£1,630

Thu 10/713:35LGW - GUM

3 stops53h 55mMultiple Airlines

Deal found 29/6£1,790

Thu 10/719:35LHR - GUM

1 stop19h 35mKorean Air

Deal found 29/6£3,080

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Tue 12/8

06:05-02:00

3 stops34h 55m

Tamuning Guam Intl

Mon 18/8

03:40-06:35

2 stops35h 55m

£974

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 14/8

07:10-14:40

2 stops46h 30m

Tamuning Guam Intl

Thu 21/8

16:40-19:50

2 stops36h 10m

£977

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 12/8

19:45-14:40

2 stops57h 55m

Tamuning Guam Intl

Mon 18/8

16:40-07:20

2 stops47h 40m

£991

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 10/7

11:20-04:30

3 stops56h 10m

£1,630

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Thu 10/7

13:35-04:30

3 stops53h 55m

£1,790

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 10/7

19:35-00:10

1 stop19h 35m

£3,080

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Best time to book a flight from United Kingdom to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from United Kingdom with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Guam

What is the cheapest time of day to fly from GB to GU?

When flying from United Kingdom to Guam, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Guam

Get a feel of what it's like to fly with Korean Air and Japan Airlines from the United Kingdom to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Korean Air

8.4

Very Good

1,101 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Korean Air

8.4

Very Good

1,101 reviews

Korean Air

8.4

Very Good

1,101 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Japan Airlines

8.3

Very Good

1,504 reviews

Korean Air

8.4

Very Good

1,101 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Can I find deals for flights from United Kingdom to Guam that include hotel bookings?
Yes. In addition to deals on United Kingdom to Guam flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Guam?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Guam.
Can I find deals for business class flights from United Kingdom to Guam?
Yes. Cheapflights offers flight deals from United Kingdom to Guam by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from United Kingdom to Guam

Airline	Cheapest	Average	Flexibility	On-time
Japan Airlines	Cheapest£803	Average£890	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights
Korean Air	Cheapest£1,006	Average£1,086	FlexibilityNo cancel fee	On-time81%	Search Korean Air flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Guam?

Deals for United Kingdom to Guam flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Guam?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Guam from United Kingdom.

Can Cheapflights find flights from United Kingdom to Guam with no change fees?

Yes, we can. To see specific flights from United Kingdom to Guam with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from United Kingdom to Guam become cheaper?

Yes! Start tracking prices for United Kingdom to Guam flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from the United Kingdom to Guam from £974

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/8. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Guam

Keep the following information in mind while searching for United Kingdom to Guam flight deals. Data was last updated 30 June 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from United Kingdom to Guam

Cheapest flights from United Kingdom to GuamExplore the most affordable flight options available from United Kingdom to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Explore the most affordable flight options available from United Kingdom to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Guam that are best for you.

Best time to book a flight from United Kingdom to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from United Kingdom with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Guam

What is the cheapest time of day to fly from GB to GU?

Find hourly flight availability from United Kingdom to Guam. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 30 June 2025.

Reviews of airlines servicing Guam

Get insights into the airlines that provide service to Guam. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Guam. Reviews last updated 30 June 2025.

Get a feel of what it's like to fly with Korean Air and Japan Airlines from the United Kingdom to Guam by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom to Guam. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from United Kingdom to Guam that include hotel bookings?

How can I find direct flights from United Kingdom to Guam?

Can I find deals for business class flights from United Kingdom to Guam?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for United Kingdom to Guam

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from United Kingdom to Guam

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Guam?

Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Guam?

Can Cheapflights find flights from United Kingdom to Guam with no change fees?

Can Cheapflights notify me if prices for flights from United Kingdom to Guam become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from United Kingdom to Guam
Explore the most affordable flight options available from United Kingdom to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 June 2025.