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Cheap flights from London Heathrow Airport to Tamuning from £1,075

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/4. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
29 Apr — 6 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Tamuning

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Tamuning
Explore the most affordable flight options available from Heathrow to Tamuning. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 March 2026.

Thu 23/421:55
LHR
-
GUM
2 stops31h 45m
Multiple Airlines
Thu 30/416:40
GUM
-
LHR
2 stops30h 30m
Multiple Airlines
Deal found 26/3£1,075
Thu 23/419:20
LHR
-
GUM
1 stop34h 20m
Japan Airlines
Thu 30/416:40
GUM
-
LHR
1 stop32h 15m
Japan Airlines
Deal found 26/3£1,156
Tue 15/916:35
LHR
-
GUM
1 stop26h 00m
Multiple Airlines
Sat 19/904:40
GUM
-
LHR
3 stops42h 25m
Multiple Airlines
Deal found 29/3£1,230
Thu 14/519:35
LHR
-
GUM
1 stop19h 20m
Korean Air
Mon 18/517:20
GUM
-
LHR
1 stop33h 00m
Korean Air
Deal found 28/3£1,253
Sun 7/619:35
LHR
-
GUM
1 stop35h 00m
Korean Air
Wed 10/602:00
GUM
-
LHR
1 stop24h 20m
Korean Air
Deal found 30/3£1,330
Sun 7/618:10
LHR
-
GUM
2 stops59h 25m
Japan Airlines
Thu 11/616:35
GUM
-
LHR
2 stops33h 30m
Japan Airlines
Deal found 30/3£1,390
Mon 28/915:35
LHR
-
GUM
2 stops38h 00m
Multiple Airlines
Mon 12/1016:40
GUM
-
LHR
2 stops29h 35m
Multiple Airlines
Deal found 28/3£1,394

Find flight deals from Heathrow to Tamuning

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Tamuning (GUM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 March 2026.

Round-trip from

£1,075
23/4-30/4
  • 23/4-30/4
  • 4 total stops
  • 62h 15m total
  • London to Tamuning
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Tamuning 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 30 March 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Tamuning that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 23/4

21:55-14:40

2 stops31h 45m

Tamuning Guam Intl

Thu 30/4

16:40-14:10

2 stops30h 30m

£1,075

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 23/4

19:20-14:40

1 stop34h 20m

Tamuning Guam Intl

Thu 30/4

16:40-15:55

1 stop32h 15m

£1,156
Fastest return journey

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 14/5

19:35-23:55

1 stop19h 20m

Tamuning Guam Intl

Mon 18/5

17:20-17:20

1 stop33h 00m

£1,253

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 7/6

19:35-15:35

1 stop35h 00m

Tamuning Guam Intl

Wed 10/6

02:00-17:20

1 stop24h 20m

£1,330

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Tue 15/9

16:35-03:35

1 stop26h 00m

Tamuning Guam Intl

Sat 19/9

04:40-07:00

2 stops35h 20m

£1,333

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 7/6

18:10-14:35

2 stops59h 25m

Tamuning Guam Intl

Thu 11/6

16:35-17:05

2 stops33h 30m

£1,390

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 14/5

18:10-14:40

2 stops59h 30m

Tamuning Guam Intl

Mon 18/5

16:40-11:35

2 stops51h 55m

£1,679

Flights are sorted by cheapest return flights first.

Deals found on 26/3

Sorted by cheapest first

Best time to book a flight from Heathrow to Tamuning

Have a flexible travel schedule? Discover the best time to fly to Tamuning 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.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Tamuning. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tamuning from London Heathrow?

    Located just 1.1 mi from the city center, Tamuning Guam Intl is the airport most travelers will use when flying to Tamuning from London Heathrow. Booking flights from London Heathrow to Guam Intl (GUM) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.

  • How long is the flight from London Heathrow Airport to Tamuning?

    Japan Airlines and Korean Air can get you from London Heathrow Airport to Tamuning in just under 19h 20m. Your travel time can differ by up to 15h. The distance between London Heathrow Airport and Tamuning is about 7483 mi. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow to Tamuning 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.

Complete your trip

Complete your trip to Tamuning by adding a car hire and/or hotel booking to your travel itinerary.
Tamuning car hire
Tamuning Guam Intl Airport car hire
Tumon car hire

Fly with Cheapflights

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How does Cheapflights help users find flights from Heathrow to Tamuning?

Deals for Heathrow to Tamuning flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Tamuning.

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

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

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

Of course! You can now track prices for flights from Heathrow to Tamuning 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.

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