Find flights
When to book
Airlines

Cheap flights from London to Guam from £465

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — GUM
30 Mar — 6 Apr1
1 adult

Cheap flight deals from London to Guam

Keep the following information in mind while searching for London to Guam flight deals. Data was last updated 25 March 2025.

Round-trip from

£861

One-way from

£465

Popular in

October

Cheapest in

June

Average price

£1,029
15/9-21/9
  • 15/9-21/9
  • 5 total stops
  • 75h 00m total
  • London to Guam
Search Deals
7/5
  • 7/5
  • 2 total stops
  • 57h 00m total
  • London to Guam
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£20 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 March 2025
Search Deals

Find flight deals from London to Guam

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 25 March 2025.

Mon 15/912:00LGW - GUM
2 stops29h 00mMultiple Airlines
Sun 21/903:05GUM - LGW
3 stops46h 00mMultiple Airlines
Deal found 24/3£861
Mon 15/918:10LHR - GUM
2 stops59h 30mJapan Airlines
Mon 22/916:40GUM - LHR
2 stops49h 30mJapan Airlines
Deal found 24/3£961
Mon 15/912:20LHR - GUM
2 stops28h 40mMultiple Airlines
Sun 21/903:05GUM - LHR
2 stops45h 10mMultiple Airlines
Deal found 24/3£1,012
Fri 4/719:35LHR - GUM
1 stop34h 40mKorean Air
Mon 7/717:00GUM - LHR
1 stop33h 20mKorean Air
Deal found 24/3£1,351

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 25 March 2025.
Use the filters below to find and compare flights from London to Guam that are best for you.

Fly from

London

Fly to

Guam

Route

Depart

Return

Price

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Mon 15/9

12:00-02:00

2 stops29h 00m

Tamuning Guam Intl

Sun 21/9

03:05-16:05

3 stops46h 00m

£861

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 15/9

18:10-14:40

2 stops59h 30m

Tamuning Guam Intl

Mon 22/9

16:40-09:10

2 stops49h 30m

£961

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 15/9

12:20-02:00

2 stops28h 40m

Tamuning Guam Intl

Sun 21/9

03:05-15:15

2 stops45h 10m

£1,012

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 4/7

19:35-15:15

1 stop34h 40m

Tamuning Guam Intl

Mon 7/7

17:00-17:20

1 stop33h 20m

£1,351

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 7/5

22:05-16:05

2 stops57h 00m

£465

LondonTamuning

LGW - GUM

LGWGUM

London Gatwick

Wed 7/5

11:35-04:30

3 stops31h 55m

£613

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 12/7

19:35-15:15

1 stop34h 40m

£1,105

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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

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

Find hourly flight availability from London 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 25 March 2025.

When flying from London 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.

Rainfall in Guam by month

Plan your trip to Guam by taking into account the average rainfall totals by month.

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.

Temperature in Guam by month

Plan your trip to Guam by taking into account the average temperature totals by month.

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).

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 25 March 2025.
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.
Korean Air
8.4
Very Good
1,047 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.
Japan Airlines
8.3
Very Good
1,440 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Comfort

8.3

Overall

8.4

Food

8.1

Crew

8.7

Boarding

8.5

Entertainment

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

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
Heathrow to Melbourne flights
Heathrow to Perth flights
Gatwick to Melbourne flights
Gatwick to Sydney flights
Stansted to Sydney flights
London City to Sydney flights
Stansted to Melbourne flights
London City to Melbourne flights
Heathrow to Brisbane flights
Heathrow to Auckland flights
Heathrow to Avalon flights
Gatwick to Auckland flights
Gatwick to Perth flights
Stansted to Perth flights
Stansted to Auckland flights
London City to Perth flights
Gatwick to Brisbane flights
London City to Auckland flights
Stansted to Brisbane flights
London City to Brisbane flights
Manchester to Melbourne flights
Manchester to Brisbane flights
Manchester to Sydney flights
Gatwick to Avalon flights
Manchester to Avalon flights
Luton to Sydney flights
Heathrow to Adelaide flights
Heathrow to Nadi flights
Manchester to Auckland flights
Manchester to Perth flights
Heathrow to Christchurch flights
Heathrow to Cairns flights
Stansted to Adelaide flights
Gatwick to Adelaide flights
Luton to Perth flights
Edinburgh to Melbourne flights
London City to Adelaide flights
Gatwick to Christchurch flights
Stansted to Christchurch flights
Birmingham to Brisbane flights
Birmingham to Sydney flights
Edinburgh to Auckland flights
Heathrow to Papeete flights
Heathrow to Wellington flights
Newcastle upon Tyne to Melbourne flights
Gatwick to Nadi flights
Newcastle upon Tyne to Perth flights
Luton to Brisbane flights
Edinburgh to Brisbane flights

Top 2 airlines flying from London to Guam

Discover the top 2 airlines that operate flights from London to Guam. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest£852Average£907FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Korean AirCheapest£1,068Average£1,149FlexibilityNo cancel feeOn-time81%
Search Korean Air 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.