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Cheap flights from London Heathrow Airport to Tamuning from £511

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
10 Sep — 17 Sep1
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 11 August 2026.

Mon 7/919:25 -
2 stops34h 10m
Mon 14/916:35 -
2 stops29h 40m
Deal found 9/8£849
Mon 28/919:35 -
1 stop35h 00m
Mon 12/1017:20 -
1 stop33h 00m
Deal found 7/8£1,169

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 11 August 2026.

Round-trip from

£849

One-way from

£511
7/9-14/9
  • 7/9-14/9
  • 4 total stops
  • 63h 50m total
  • London to Tamuning
Search Deals
20/1
  • 20/1
  • 3 total stops
  • 46h 25m 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 11 August 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 London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 7/9

19:25-14:35

2 stops34h 10m

Tamuning Guam Intl

Mon 14/9

16:35-13:15

2 stops29h 40m

£849

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Tue 2/2

11:10-01:10

2 stops28h 00m

Tamuning Guam Intl

Mon 15/2

02:20-20:50

2 stops28h 30m

£884
Fastest return journey

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 9/11

18:50-01:00

1 stop20h 10m

Tamuning Guam Intl

Wed 11/11

16:50-16:30

1 stop33h 40m

£1,325

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 28/9

21:45-23:55

2 stops41h 10m

Tamuning Guam Intl

Mon 12/10

17:20-18:45

2 stops34h 25m

£1,479
Cheapest one-way

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sun 24/1

21:10-01:00

2 stops41h 50m

£586

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 18/1

21:10-01:00

2 stops41h 50m

£587

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sun 24/1

18:50-01:00

1 stop20h 10m

£1,155

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 18/1

18:50-01:00

1 stop20h 10m

£1,155

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Tue 19/1

18:50-14:35

1 stop33h 45m

£1,155

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Wed 20/1

14:10-14:35

1 stop38h 25m

£1,155

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 12 resultsSorted by cheapest first
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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.

  • 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

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 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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