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Cheap flights from London to Guam from £1,039

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
22 Jun — 29 Jun1
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 23 May 2026.

Wed 3/616:35
LHR
-
GUM
1 stop22h 10m
Multiple Airlines
Fri 5/600:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 20/5£1,039
Thu 9/719:35
LHR
-
GUM
1 stop19h 20m
Korean Air
Tue 14/702:00
GUM
-
LHR
1 stop24h 20m
Korean Air
Deal found 19/5£1,086
Mon 28/919:35
LHR
-
GUM
1 stop35h 00m
Korean Air
Mon 12/1017:20
GUM
-
LHR
1 stop33h 00m
Korean Air
Deal found 18/5£1,163
Wed 3/606:25
LGW
-
GUM
3 stops32h 20m
Multiple Airlines
Fri 5/600:50
GUM
-
LGW
2 stops26h 00m
Multiple Airlines
Deal found 20/5£1,270
Sun 14/619:35
LHR
-
GUM
1 stop35h 00m
Korean Air
Thu 18/617:20
GUM
-
LHR
1 stop33h 00m
Korean Air
Deal found 18/5£1,324
Mon 28/916:00
LHR
-
GUM
2 stops37h 35m
Multiple Airlines
Mon 12/1016:40
GUM
-
LHR
2 stops29h 35m
Multiple Airlines
Deal found 18/5£1,325

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 23 May 2026.

Round-trip from

£1,039
3/6-5/6
  • 3/6-5/6
  • 2 total stops
  • 44h 40m 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 23 May 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
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 3/6

15:20-23:45

2 stops23h 25m

Tamuning Guam Intl

Fri 5/6

00:50-18:40

2 stops26h 50m

£1,151

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Mon 12/10

17:20-17:20

1 stop33h 00m

£1,167

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Wed 3/6

06:25-23:45

3 stops32h 20m

Tamuning Guam Intl

Fri 5/6

00:50-17:50

2 stops26h 00m

£1,270

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 14/6

19:35-15:35

1 stop35h 00m

Tamuning Guam Intl

Thu 18/6

17:20-17:20

1 stop33h 00m

£1,324

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 28/9

16:00-14:35

2 stops37h 35m

Tamuning Guam Intl

Mon 12/10

16:40-13:15

2 stops29h 35m

£1,325

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 14/11

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Wed 18/11

16:50-16:30

1 stop33h 40m

£1,327

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 14/6

18:10-14:35

2 stops59h 25m

Tamuning Guam Intl

Thu 18/6

16:35-17:05

2 stops33h 30m

£1,527

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 20/6

19:35-15:35

1 stop35h 00m

Tamuning Guam Intl

Tue 30/6

17:20-17:20

1 stop33h 00m

£5,667

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 14/6

15:05-18:05

3 stops66h 00m

Tamuning Guam Intl

Thu 18/6

19:30-06:55

2 stops44h 25m

£11,597

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 14/11

11:35-18:50

2 stops69h 15m

Tamuning Guam Intl

Wed 18/11

19:45-06:40

2 stops44h 55m

£11,751

Flights are sorted by cheapest return flights first.

Deals found on 20/5

Sorted by cheapest first

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.

  • How long is the flight from London to Guam?

    There are many flights that can get you from London to Guam in 19h 20m. Fly via Korean Air to get the fastest option. Airlines will cover a distance of 7483 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for London to Guam

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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.

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