How long is the flight from Guam to London?

A quick flight from Guam to London can take about 25h 30m. Korean Air provides one of the quickest options available for as low as £1,486. The distance from Guam to London is about 7483 mi.

In terms of precipitation, rainfall in London ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

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

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

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

How can I find direct flights from Guam to London?

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

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

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

£1,021+ Flights from Guam to London

Cheap flight deals from Guam to London

Round-trip from	£1,021

18/12-25/12
4 total stops
89h 05m total
Guam to London

Search Deals

Find flight deals from Guam to London

Enter your travel dates to find the best prices.

Cheapest flights from Guam to London
Explore the most affordable flight options available from Guam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Thu 18/1205:45GUM - LHR

2 stops44h 25mMultiple Airlines

Thu 25/1221:20LHR - GUM

2 stops44h 40mMultiple Airlines

Deal found 23/10£1,021

Wed 17/1202:40GUM - LHR

1 stop23h 50mKorean Air

Thu 25/1218:50LHR - GUM

1 stop18h 15mKorean Air

Deal found 23/10£2,010

Best flights from Guam to London
Discover carefully curated flight deals from Guam to London that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 24 October 2025.

Thu 18/1205:45GUM - LHR

2 stops44h 25mMultiple Airlines

Thu 25/1221:20LHR - GUM

2 stops44h 40mMultiple Airlines

Deal found 23/10£1,021

Thu 12/301:00GUM - LHR

1 stop25h 30mKorean Air

Sun 15/318:50LHR - GUM

1 stop18h 15mKorean Air

Deal found 21/10£1,486

Wed 17/1202:40GUM - LHR

1 stop23h 50mKorean Air

Thu 25/1218:50LHR - GUM

1 stop18h 15mKorean Air

Deal found 23/10£2,010

Fri 13/316:35GUM - LHR

2 stops32h 50mMalaysia Airlines

Sun 15/321:25LHR - GUM

2 stops31h 10mMalaysia Airlines

Deal found 21/10£5,232

Fly from

Fly to

Route

Depart

Return

Price

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 18/12

05:45-16:10

2 stops44h 25m

London Heathrow

Thu 25/12

21:20-04:00

2 stops44h 40m

£1,021

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 12/3

01:00-16:30

1 stop25h 30m

London Heathrow

Sun 15/3

18:50-23:05

1 stop18h 15m

£1,486

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 17/12

02:40-16:30

1 stop23h 50m

London Heathrow

Thu 25/12

18:50-23:05

1 stop18h 15m

£2,010

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 13/3

16:35-15:25

2 stops32h 50m

London Heathrow

Sun 15/3

21:25-14:35

2 stops31h 10m

£5,232

Flights are sorted by cheapest return flights first.

Deals found on 23/10

Best time to book a flight from Guam to London

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

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

Related info for your journey

How long is the flight from Guam to London?
A quick flight from Guam to London can take about 25h 30m. Korean Air provides one of the quickest options available for as low as £1,486. The distance from Guam to London is about 7483 mi.
Can I find deals for flights from Guam to London that include hotel bookings?
Yes. In addition to deals on Guam to London flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Guam to London?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Guam to London.
Can I find deals for business class flights from Guam to London?
Yes. Cheapflights offers flight deals from Guam to London by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

Need flexible booking options for your flight to London from Guam? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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Cheap flights from Guam to London from £1,021

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Guam to London

Keep the following information in mind while searching for Guam to London flight deals. Data was last updated 24 October 2025.

Round-trip from

Find flight deals from Guam to London

Cheapest flights from Guam to LondonExplore the most affordable flight options available from Guam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Explore the most affordable flight options available from Guam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Guam to London

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

Cheapflights Insights

Everything you need to know about your flight from Guam to London

Related info for your journey

Find useful and relevant information for your journey from Guam to London. 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 Guam to London?

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

How can I find direct flights from Guam to London?

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

Travelling to a place near London?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Guam to London

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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 Guam to London?

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

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

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

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Cheapest flights from Guam to London
Explore the most affordable flight options available from Guam to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 October 2025.