Find flights
When to book
FAQs

Cheap flights from Guam to London Heathrow Airport from £608

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
GUM — LHR
22 Aug — 29 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Guam to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Guam to Heathrow
Explore the most affordable flight options available from Guam to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 July 2026.

Wed 25/1102:20
GUM
-
LHR
2 stops25h 30m
Multiple Airlines
Thu 10/1217:40
LHR
-
GUM
2 stops21h 30m
Multiple Airlines
Deal found 20/7£772
Sun 9/802:00
GUM
-
LHR
2 stops27h 40m
Multiple Airlines
Wed 19/809:30
LHR
-
GUM
2 stops30h 30m
Multiple Airlines
Deal found 22/7£811
Mon 10/800:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Thu 20/816:35
LHR
-
GUM
1 stop23h 25m
Multiple Airlines
Deal found 22/7£1,057
Mon 10/800:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Fri 21/816:35
LHR
-
GUM
1 stop23h 25m
Multiple Airlines
Deal found 22/7£1,085
Fri 4/900:50
GUM
-
LHR
2 stops28h 35m
Multiple Airlines
Sat 12/915:05
LHR
-
GUM
2 stops28h 15m
Multiple Airlines
Deal found 22/7£1,088
Mon 10/800:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Mon 17/816:35
LHR
-
GUM
1 stop23h 25m
Multiple Airlines
Deal found 22/7£1,112
Wed 12/800:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Wed 19/816:35
LHR
-
GUM
1 stop23h 25m
Multiple Airlines
Deal found 22/7£1,166
Wed 12/800:50
GUM
-
LHR
1 stop22h 30m
Multiple Airlines
Thu 20/816:35
LHR
-
GUM
1 stop23h 25m
Multiple Airlines
Deal found 22/7£1,168

Find flight deals from Guam to Heathrow

Keep the following information in mind while searching for Guam to Heathrow flight deals. Data was last updated 23 July 2026.

Round-trip from

£772

One-way from

£608
25/11-10/12
  • 25/11-10/12
  • 4 total stops
  • 47h 00m total
  • Guam to London
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 45h 40m total
  • Guam to London
Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 25/11

02:20-17:50

2 stops25h 30m

London Heathrow

Thu 10/12

17:40-01:10

2 stops21h 30m

£772

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 9/8

06:00-06:25

2 stops33h 25m

London Heathrow

Sat 22/8

15:05-04:20

2 stops28h 15m

£1,197

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Thu 13/8

06:00-06:25

2 stops33h 25m

London Heathrow

Wed 19/8

15:05-04:20

2 stops28h 15m

£1,319

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 7/8

06:00-06:25

2 stops33h 25m

London Heathrow

Fri 21/8

15:05-04:20

2 stops28h 15m

£1,319

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Fri 7/8

02:00-18:50

1 stop25h 50m

London Heathrow

Fri 21/8

13:25-23:55

1 stop25h 30m

£1,642

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 12/8

06:00-06:25

2 stops57h 25m

London Heathrow

Thu 20/8

15:05-04:20

2 stops28h 15m

£1,660

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Wed 12/8

06:00-06:25

2 stops57h 25m

London Heathrow

Tue 18/8

15:05-04:20

2 stops28h 15m

£1,660
Cheapest one-way

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 7/9

16:35-20:25

2 stops36h 50m

£916

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Mon 12/10

17:20-18:50

1 stop34h 30m

£949
Fastest single journey

TamuningLondon

GUM - LHR

GUMLHR

Tamuning Guam Intl

Sun 6/9

02:00-18:50

1 stop25h 50m

£949

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Sorted by cheapest first

Best time to book a flight from Guam to Heathrow

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

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 Guam to Heathrow. 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 Heathrow Airport?

    A quick flight from Guam to London Heathrow Airport can take about 33h 25m. Philippine Airlines provides one of the quickest options available for as low as £1,197. Airlines will cover a distance of 7483 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Guam to Heathrow 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Wembley
Gatwick
Slough
Ilford
Hayes
Croydon
Colchester
Brentford
Eastbourne
Northampton
Watford
Swindon
Southend-on-Sea
Poole
Kingston upon Thames
Southall
Aylesbury

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.

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 Guam to Heathrow?

When you search for this flight from Guam to Heathrow, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Guam to Heathrow for you. Better yet — we are completely free to use.

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

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

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

Of course! You can now track prices for flights from Guam to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price 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.