In terms of precipitation, rainfall in Tamuning ranges from 65.0 - 365.0 inches per month. August is typically the wettest month, when rainfall can reach 365.0 mm. March is typically the driest time to visit Tamuning when rainfall is around 65.0 mm.

If weather is an important factor for your trip to Tamuning, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 28.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 27.0 C).

What is the cheapest time of day to fly from LHR to GUM?

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

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.

£482+ Cheap Flights from London Heathrow Airport to Tamuning

Cheap flight deals from Heathrow to Tamuning

Enter your travel dates to find the best prices.

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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 12 September 2026.

Mon 2/1119:30 -

2 stops23h 00m

Mon 9/1105:40 -

2 stops37h 40m

Deal found 11/9£860

Sun 18/1012:35 -

2 stops27h 25m

Fri 23/1002:00 -

2 stops24h 40m

Deal found 12/9£952

Mon 30/1118:50 -

1 stop20h 10m

Mon 7/1205:40 -

2 stops45h 50m

Deal found 8/9£985

Sun 25/1011:00 -

2 stops28h 00m

Sat 31/1002:00 -

2 stops39h 15m

Deal found 10/9£1,006

Thu 17/916:35 -

1 stop23h 25m

Tue 22/904:40 -

2 stops35h 50m

Deal found 11/9£1,058

Find flight deals from Heathrow to Tamuning

Round-trip from	£860
One-way from	£482

2/11-9/11
4 total stops
60h 40m total
London to Tamuning

Search Deals

12/10-31/12
3 total stops
43h 00m total
London to Tamuning

Search Deals

Cheapflights Fare Finder

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

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LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Tue 13/10

20:25-03:35

2 stops22h 10m

Tamuning Guam Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£629

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Thu 15/10

20:25-03:35

2 stops22h 10m

Tamuning Guam Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£662

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sun 11/10

20:25-03:35

2 stops22h 10m

Tamuning Guam Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£665

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sat 10/10

15:05-04:20

2 stops28h 15m

Tamuning Guam Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£856

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 2/11

19:30-04:30

2 stops23h 00m

Tamuning Guam Intl

Mon 9/11

05:40-09:20

2 stops37h 40m

£860

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sun 18/10

12:35-01:00

2 stops27h 25m

Tamuning Guam Intl

Fri 23/10

02:00-17:40

2 stops24h 40m

£952

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sun 25/10

11:00-01:00

2 stops28h 00m

Tamuning Guam Intl

Sat 31/10

02:00-07:15

2 stops39h 15m

£1,006

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Mon 30/11

06:30-01:00

2 stops32h 30m

Tamuning Guam Intl

Sun 6/12

02:40-22:00

2 stops29h 20m

£1,153

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Wed 11/11

14:15-04:00

2 stops27h 45m

Tamuning Guam Intl

Sun 15/11

05:25-06:25

2 stops35h 00m

£1,183

LondonTamuning

LHR London Heathrow - GUM Tamuning Guam Intl

LHRGUM

London Heathrow

Sat 10/10

13:25-23:55

1 stop25h 30m

Tamuning Guam Intl

Wed 31/12

00:00-15:00

Nonstop0h 00m

£1,517

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 11 resultsSorted 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.

LHR-GUM

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

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.

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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.

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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.

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Cheap flights from London Heathrow Airport to Tamuning from £482

This is the cheapest retur 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.

Cheap flight deals from Heathrow to Tamuning

Cheapest flights from Heathrow to TamuningExplore 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 12 September 2026.

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 12 September 2026.

Best flights from Heathrow to TamuningDiscover carefully curated flight deals from Heathrow to Tamuning that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Discover carefully curated flight deals from Heathrow to Tamuning that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Heathrow to TamuningDiscover last-minute flight deals from Heathrow to Tamuning. Data last updated 12 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Tamuning. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Heathrow to TamuningSearch for one-way flight options from Heathrow to Tamuning. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

Search for one-way flight options from Heathrow to Tamuning. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.

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

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.

Related info for your journey

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

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

How can I find direct flights from Heathrow to Tamuning?

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

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.

Search flights from Heathrow to Tamuning by cabin class

Find flights from Heathrow to Tamuning, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Tamuning flights

Browse other Heathrow and Tamuning flight options. Last updated on 12 September 2026.

Other flights from Heathrow

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

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

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

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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 12 September 2026.

Best flights from Heathrow to Tamuning
Discover carefully curated flight deals from Heathrow to Tamuning that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 12 September 2026.

Last-minute flights from Heathrow to Tamuning
Discover last-minute flight deals from Heathrow to Tamuning. Data last updated 12 September 2026 and is based on user searches.

One-way flights from Heathrow to Tamuning
Search for one-way flight options from Heathrow to Tamuning. Find affordable one-way fares based on user searches. Data last updated 12 September 2026.