Find flights
When to book

Cheap flights from London to Guam from £506

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Guam

Enter your travel dates to find the best prices.

Cheapest flights from London to Guam
Explore the most affordable flight options available from London to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 August 2026.

Mon 7/911:40 -
2 stops30h 55m
Mon 14/904:40 -
2 stops46h 50m
Deal found 9/8£608
Tue 17/1117:40 -
2 stops21h 30m
Sun 22/1102:20 -
2 stops51h 20m
Deal found 11/8£700
Sat 26/911:10 -
3 stops31h 25m
Fri 2/1000:50 -
3 stops47h 05m
Deal found 12/8£822
Tue 17/1110:30 -
2 stops28h 40m
Sun 22/1102:20 -
2 stops38h 10m
Deal found 11/8£840
Mon 7/919:25 -
2 stops34h 10m
Mon 14/916:35 -
2 stops29h 40m
Deal found 9/8£849
Sat 26/906:50 -
3 stops31h 55m
Sat 3/1004:40 -
2 stops24h 45m
Deal found 12/8£995
Sat 26/915:05 -
2 stops28h 15m
Sat 3/1006:00 -
2 stops33h 25m
Deal found 11/8£1,109

Find flight deals from London to Guam

Keep the following information in mind while searching for London to Guam flight deals. Data was last updated 13 August 2026.

Round-trip from

£608

One-way from

£506
7/9-14/9
  • 7/9-14/9
  • 4 total stops
  • 77h 45m total
  • London to Guam
Search Deals
19/1
  • 19/1
  • 3 total stops
  • 41h 20m total
  • London to Guam
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 13 August 2026.
Use the filters below to find and compare flights from London to Guam that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonTamuning

LGW London Gatwick - GUM Tamuning Guam Intl

LGWGUM

London Gatwick

Mon 7/9

11:40-03:35

2 stops30h 55m

Tamuning Guam Intl

Mon 14/9

04:40-18:30

2 stops46h 50m

£608

LondonTamuning

LGW London Gatwick - GUM Tamuning Guam Intl

LGWGUM

London Gatwick

Sat 26/9

11:10-03:35

3 stops31h 25m

Tamuning Guam Intl

Fri 2/10

00:50-14:55

3 stops47h 05m

£822

LondonTamuning

LGW London Gatwick - GUM Tamuning Guam Intl

LGWGUM

London Gatwick

Tue 17/11

10:30-01:10

2 stops28h 40m

Tamuning Guam Intl

Sun 22/11

02:20-06:30

2 stops38h 10m

£840

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 7/9

19:25-14:35

2 stops34h 10m

Tamuning Guam Intl

Mon 14/9

16:35-13:15

2 stops29h 40m

£849
Fastest return journey

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Tue 17/11

18:50-01:10

1 stop20h 20m

Tamuning Guam Intl

Sun 22/11

02:20-16:30

1 stop24h 10m

£1,022

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sat 26/9

15:05-04:20

2 stops28h 15m

Tamuning Guam Intl

Sat 3/10

06:00-06:25

2 stops33h 25m

£1,109

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sat 26/9

06:50-23:45

3 stops31h 55m

Tamuning Guam Intl

Sat 3/10

04:40-18:50

1 stop23h 10m

£1,111

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sat 26/9

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Sat 3/10

17:20-17:20

1 stop33h 00m

£1,244
Cheapest one-way

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sun 24/1

21:10-01:00

2 stops41h 50m

£586

LondonTamuning

LGW London Gatwick - GUM Tamuning Guam Intl

LGWGUM

London Gatwick

Sun 24/1

22:05-03:55

3 stops43h 50m

£612

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Best time to book a flight from London to Guam

Have a flexible travel schedule? Discover the best time to fly to Guam from London 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 London to Guam

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London 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 London to Guam that include hotel bookings?

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

  • How can I find direct flights from London to Guam?

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

  • Can I find deals for business class flights from London to Guam?

    Yes. Cheapflights offers flight deals from London 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

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

Alternative routes for London to Guam

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Sydney flights
Gatwick to Sydney flights
Stansted to Sydney flights
Heathrow to Melbourne flights
London City to Sydney flights
Heathrow to Perth flights
Gatwick to Melbourne flights
Heathrow to Auckland flights
Stansted to Melbourne flights
Gatwick to Auckland flights
London City to Melbourne flights
Heathrow to Brisbane flights
Stansted to Auckland flights
Gatwick to Perth flights
Stansted to Perth flights
Manchester to Sydney flights
London City to Auckland flights
Gatwick to Brisbane flights
Heathrow to Avalon flights
Stansted to Brisbane flights
London City to Perth flights
Luton to Sydney flights
London City to Brisbane flights
Manchester to Melbourne flights
Manchester to Perth flights
Luton to Auckland flights
Manchester to Brisbane flights
Heathrow to Adelaide flights
Manchester to Auckland flights
Manchester to Avalon flights
Heathrow to Christchurch flights
Gatwick to Adelaide flights
Edinburgh to Sydney flights
Stansted to Adelaide flights
Gatwick to Christchurch flights
Stansted to Christchurch flights
London City to Adelaide flights
Heathrow to Nadi flights
Birmingham to Sydney flights
Edinburgh to Melbourne flights
Heathrow to Wellington flights
Luton to Perth flights
Gatwick to Wellington flights
Newcastle upon Tyne to Sydney flights
Luton to Brisbane flights
Birmingham to Melbourne flights
Gatwick to Avalon flights
Gatwick to Nadi flights
Stansted to Wellington flights
Edinburgh to Perth flights

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 London to Guam?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from London to Guam. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights helps you find that perfect flight to Guam from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to Guam, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from London to Guam on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.