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Cheap flights from the United Kingdom to Guam from £513

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Guam

Enter your travel dates to find the best prices.

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 5 December 2025.

Sun 7/1212:30EDI - GUM
2 stops53h 50mUnited Airlines
Thu 11/1219:20GUM - EDI
2 stops46h 35mUnited Airlines
Deal found 2/12£11,219

Find 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 5 December 2025.

Round-trip from

£513

Popular in

October

Cheapest in

May

Average price

£1,094
9/3-15/3
  • 9/3-15/3
  • 4 total stops
  • 46h 40m total
  • United Kingdom to Guam
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£10 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from United Kingdom to Guam that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from the United Kingdom to Guam that are best for you.

Fly from

United Kingdom

Fly to

Guam

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 9/3

17:40-01:10

2 stops21h 30m

Tamuning Guam Intl

Sun 15/3

02:40-17:50

2 stops25h 10m

£513

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Wed 11/3

06:15-01:00

3 stops32h 45m

Tamuning Guam Intl

Tue 24/3

02:40-21:10

2 stops28h 30m

£803

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 11/3

18:50-01:10

1 stop20h 20m

Tamuning Guam Intl

Tue 24/3

02:40-18:35

2 stops25h 55m

£851

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Fri 20/3

16:50-16:30

1 stop33h 40m

£1,080

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

£1,087

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 3/4

18:10-14:40

2 stops59h 30m

Tamuning Guam Intl

Sat 11/4

16:40-20:40

2 stops37h 00m

£1,203

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 2/1

07:45-14:35

2 stops44h 50m

Tamuning Guam Intl

Fri 9/1

16:35-08:25

2 stops49h 50m

£1,214

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 3/4

20:10-15:15

1 stop34h 05m

Tamuning Guam Intl

Sat 11/4

17:00-19:25

2 stops35h 25m

£1,307

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 24/2

14:45-14:35

2 stops37h 50m

Tamuning Guam Intl

Fri 27/2

01:00-16:30

1 stop25h 30m

£1,328

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Fri 2/1

10:30-01:10

2 stops28h 40m

Tamuning Guam Intl

Thu 8/1

02:40-22:35

2 stops29h 55m

£1,375

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 12 results
1
2

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?

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 5 December 2025.

It’s optimal to fly from United Kingdom to Guam in the evening. By choosing this option you can save up to 34% on the cost of your flight, compared to a flight at midday.

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 5 December 2025.
Get a feel of what it's like to fly with 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.
Japan Airlines
8.3
Very Good
1,638 reviews
Check prices

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

NRT - YVR

I had difficulties to get my mileage number registered on my flights. I wasn’t able to put it in at JAL check-in counter or online checking-in. I had to call the customer service in Japan by wasting much time.
Japan Airlines
8.3
Very Good
1,638 reviews
Japan Airlines
8.3
Very Good
1,638 reviews
Check prices

Food

7.7

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Overall

8.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Nov 2025

NRT - YVR

I had difficulties to get my mileage number registered on my flights. I wasn’t able to put it in at JAL check-in counter or online checking-in. I had to call the customer service in Japan by wasting much time.

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.

  • How long is the flight from United Kingdom to Guam?

    For as low as £1,396, Korean Air can have you in Guam from United Kingdom in 38h 55m. United Kingdom and Guam are separated by a distance of 7420 mi.

  • 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.

See more FAQs

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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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