Cheap flights from London Heathrow to Guam

from as little as £1,493

14 nights in Guam, departing London Heathrow on 16 / Jun / 2025 with Korean Air (price found 123 hours ago)

Subject to availability, prices correct of the last 24 hours
Guam

The London Heathrow / Guam route

All 12061 km of it

Cheap flight deals for this route

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Guam flight facts

What you need to know

Alternative flights from the UK to Guam

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Guam

16 / Jun / 2025 is currently the lowest priced day of the year to fly the London Heathrow/Guam route. There are around five flights on any given week from the UK to Guam and the cheapest month to fly right now is June.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

23 °C

AVG

27 °C

HIGHEST

30 °C

Rainfall (mm)
LOWEST

57 mm

AVG

183.5 mm

HIGHEST

360 mm

Key facts about Guam

How to get cheap flights from London Heathrow to Guam

Tips and advice from our flight experts

Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Guam, across the one airlines that offer this route. We've found that 16 / Jun / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.

There are five flights from London Heathrow to or via Guam every week. Out of the one available airlines, the most popular ones are Qatar Airways. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.

Generally speaking, the flight from London Heathrow to Guam takes around 25 hrs. The fastest flight takes 25 hrs to cover the 12061 km distance. You can view all flight times yourself in the results list.

If you need somewhere to stay for your trip to Pacific Islands, take a look at our accommodation options.

Other popular destinations near Guam

Where other people are flying to

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