In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Tamuning to London Heathrow Airport as you normally would.

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

For a flight from Tamuning to London Heathrow, you will be flying from Guam Intl. Tamuning Guam Intl (GUM) is just 1.1 mi from the center of the city. Guam Intl is the only Tamuning airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Tamuning Guam Intl on a regular basis.

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

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

How can I find direct flights from Tamuning to Heathrow?

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

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

Yes. Cheapflights offers flight deals from Tamuning 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.

£893+ Cheap Flights from Tamuning to London Heathrow Airport

Cheap flight deals from Tamuning to Heathrow

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from Tamuning to Heathrow
Explore the most affordable flight options available from Tamuning to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Mon 2/1105:40 -

2 stops45h 50m

Mon 9/1117:40 -

1 stop21h 20m

Deal found 18/9£958

Sun 1/1105:40 -

2 stops46h 55m

Sun 8/1117:40 -

1 stop21h 20m

Deal found 16/9£999

Sun 1/1105:25 -

2 stops35h 00m

Sun 8/1114:15 -

2 stops27h 45m

Deal found 16/9£1,109

Find flight deals from Tamuning to Heathrow

Round-trip from	£958
One-way from	£893

2/11-9/11
3 total stops
67h 10m total
Tamuning to London

Search Deals

12/10-31/12
2 total stops
34h 20m total
Tamuning to London

Search Deals

Cheapflights Fare Finder

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

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Fly to

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Price

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TamuningLondon

GUM Tamuning Guam Intl - LHR London Heathrow

GUMLHR

Tamuning Guam Intl

Mon 12/10

16:40-18:00

2 stops34h 20m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£893

TamuningLondon

GUM Tamuning Guam Intl - LHR London Heathrow

GUMLHR

Tamuning Guam Intl

Mon 12/10

17:20-18:50

1 stop34h 30m

London Heathrow

Wed 31/12

00:00-09:00

Nonstop0h 00m

£949

TamuningLondon

GUM Tamuning Guam Intl - LHR London Heathrow

GUMLHR

Tamuning Guam Intl

Mon 2/11

05:40-17:30

2 stops45h 50m

London Heathrow

Mon 9/11

17:40-01:00

1 stop21h 20m

£958

TamuningLondon

GUM Tamuning Guam Intl - LHR London Heathrow

GUMLHR

Tamuning Guam Intl

Sun 1/11

05:40-18:35

2 stops46h 55m

London Heathrow

Sun 8/11

17:40-01:00

1 stop21h 20m

£999

TamuningLondon

GUM Tamuning Guam Intl - LHR London Heathrow

GUMLHR

Tamuning Guam Intl

Thu 14/1

16:50-22:55

2 stops40h 05m

London Heathrow

Tue 19/1

06:35-01:00

2 stops32h 25m

£3,225

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Sorted by cheapest first

Best time to book a flight from Tamuning to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Tamuning with our price prediction graph.

GUM-LHR

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 from for flights from Tamuning to London Heathrow?
For a flight from Tamuning to London Heathrow, you will be flying from Guam Intl. Tamuning Guam Intl (GUM) is just 1.1 mi from the center of the city. Guam Intl is the only Tamuning airport and it handles 0 outbound flights to London Heathrow per day. 0 airlines have flights to London Heathrow from Tamuning Guam Intl on a regular basis.
Can I find deals for flights from Tamuning to Heathrow that include hotel bookings?
Yes. In addition to deals on Tamuning to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Tamuning to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Tamuning to Heathrow.
Can I find deals for business class flights from Tamuning to Heathrow?
Yes. Cheapflights offers flight deals from Tamuning 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

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Cheapflights makes it easy to find Tamuning to Heathrow 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.

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Millions of users choose and trust Cheapflights to book the best flight deals from Tamuning to Heathrow 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 Tamuning to Heathrow with no change fees?

Yes, we can. To see specific flights from Tamuning to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Tamuning to Heathrow flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Tamuning to London Heathrow Airport from £893

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 Tamuning to Heathrow

Cheapest flights from Tamuning to HeathrowExplore the most affordable flight options available from Tamuning to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Explore the most affordable flight options available from Tamuning to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Tamuning to HeathrowDiscover carefully curated flight deals from Tamuning to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from Tamuning to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

One-way flights from Tamuning to HeathrowSearch for one-way flight options from Tamuning to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from Tamuning to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Find flight deals from Tamuning to Heathrow

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Cheapflights Fare Finder

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

Best time to book a flight from Tamuning to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Tamuning with our price prediction graph.

Related info for your journey

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

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

How can I find direct flights from Tamuning to Heathrow?

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

Travelling to a place near London Heathrow Airport?

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 Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Tamuning to Heathrow by cabin class

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

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 20 September 2026.

Tamuning and Heathrow flights

Browse other Tamuning and Heathrow flight options. Last updated on 20 September 2026.

Popular flight searches

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Fly with Cheapflights

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

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Tamuning to Heathrow
Explore the most affordable flight options available from Tamuning to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from Tamuning to Heathrow
Discover carefully curated flight deals from Tamuning to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

One-way flights from Tamuning to Heathrow
Search for one-way flight options from Tamuning to Heathrow. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.