Find flights
When to book
FAQs

Cheap flights from London Heathrow Airport to Guam from £940

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
27 Feb — 6 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Guam

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Guam
Explore the most affordable flight options available from Heathrow to Guam. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 28 January 2026.

Sun 8/1115:35
LHR
-
GUM
2 stops37h 00m
Multiple Airlines
Fri 27/1116:35
GUM
-
LHR
1 stop32h 40m
Multiple Airlines
Deal found 26/1£940
Mon 2/318:50
LHR
-
GUM
1 stop33h 45m
Korean Air
Thu 19/301:00
GUM
-
LHR
1 stop25h 30m
Korean Air
Deal found 27/1£1,086
Sun 8/1118:50
LHR
-
GUM
1 stop33h 45m
Korean Air
Fri 27/1116:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Deal found 26/1£1,120
Tue 24/218:50
LHR
-
GUM
1 stop18h 15m
Korean Air
Sat 28/216:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Deal found 26/1£1,128
Fri 13/318:50
LHR
-
GUM
1 stop18h 15m
Korean Air
Tue 17/316:50
GUM
-
LHR
1 stop33h 40m
Korean Air
Deal found 25/1£1,190
Thu 26/314:25
LHR
-
GUM
2 stops24h 45m
Multiple Airlines
Wed 8/400:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Deal found 27/1£1,270
Sun 29/310:45
LHR
-
GUM
2 stops28h 00m
Multiple Airlines
Thu 9/400:50
GUM
-
LHR
2 stops30h 00m
Multiple Airlines
Deal found 27/1£1,295

Find flight deals from Heathrow to Guam

Keep the following information in mind while searching for Heathrow to Guam flight deals. Data was last updated 28 January 2026.

Round-trip from

£1,083

Popular in

December

Cheapest in

November

Average price

£1,021
Korean Air
  • Korean Air
  • 2/3-19/3
  • 2 total stops
  • 59h 15m total
  • London to Guam
Search Deals
Highest demand for flights based on searches. 34% potential increase in price (£447 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 22% potential price decrease (£160 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 28 January 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Guam that are best for you.

Fly from

Heathrow

Fly to

Guam

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

18:50-14:35

1 stop33h 45m

Tamuning Guam Intl

Thu 19/3

01:00-16:30

1 stop25h 30m

£1,086

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 24/2

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Sat 28/2

16:50-16:30

1 stop33h 40m

£1,128

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 13/3

18:50-23:05

1 stop18h 15m

Tamuning Guam Intl

Tue 17/3

16:50-16:30

1 stop33h 40m

£1,190

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 26/3

14:25-01:10

2 stops24h 45m

Tamuning Guam Intl

Wed 8/4

00:50-14:20

1 stop22h 30m

£1,270

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 29/3

10:45-23:45

2 stops28h 00m

Tamuning Guam Intl

Thu 9/4

00:50-21:50

2 stops30h 00m

£1,295

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 2/3

06:35-23:05

2 stops30h 30m

Tamuning Guam Intl

Fri 20/3

16:50-16:30

1 stop33h 40m

£1,380

Flights are sorted by cheapest return flights first.

Deals found on 27/1

Best time to book a flight from Heathrow to Guam

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

    Departing from London Heathrow Airport to Guam will take you 33h 45m. The distance between London Heathrow Airport and Guam is about 7483 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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

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

Alternative routes for Heathrow 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 Sydney flights
Stansted to Sydney flights
Gatwick to Melbourne flights
Heathrow to Auckland flights
Stansted to Melbourne flights
London City to Sydney flights
London City to Melbourne flights
Heathrow to Brisbane flights
Gatwick to Perth flights
Stansted to Perth flights
Heathrow to Avalon flights
London City to Perth flights
Gatwick to Auckland flights
Stansted to Auckland flights
Gatwick to Brisbane flights
London City to Auckland flights
Stansted to Brisbane flights
Luton to Sydney flights
London City to Brisbane flights
Heathrow to Adelaide flights
Luton to Perth flights
Luton to Auckland flights
Gatwick to Adelaide flights
London City to Adelaide flights
Heathrow to Christchurch flights
Stansted to Adelaide flights
Stansted to Christchurch flights
Heathrow to Nadi flights
Gatwick to Christchurch flights
Heathrow to Wellington flights
Luton to Brisbane flights
Gatwick to Wellington flights
Gatwick to Nadi flights
Stansted to Wellington flights
Gatwick to Avalon flights
Heathrow to Cairns flights
Heathrow to Queenstown flights
Heathrow to Papeete flights
Gatwick to Cairns flights
Gatwick to Queenstown flights
Stansted to Cairns flights
Stansted to Queenstown flights
London City to Christchurch flights
Heathrow to Coolangatta flights
Heathrow to Hobart flights
Southend to Sydney flights
Gatwick to Papeete 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 Heathrow to Guam?

Cheapflights makes it easy to find Heathrow to Guam flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Heathrow to Guam for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Guam flexibly with Cheapflights today.

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

Yes! Start tracking prices for Heathrow 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.

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.