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Cheap flights from London Heathrow Airport to Tamuning from £837

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
22 Apr — 29 Apr1
1 adult

Cheap 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 17 April 2025.

Round-trip from

£837

Popular in

August

Cheapest in

November

Average price

£882
12/6-24/6
  • 12/6-24/6
  • 4 total stops
  • 73h 15m total
  • London to Tamuning
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£321 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Heathrow to Tamuning

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 17 April 2025.

Thu 12/609:45LHR - GUM
2 stops29h 25mMultiple Airlines
Tue 24/601:55GUM - LHR
2 stops43h 50mMultiple Airlines
Deal found 17/4£837
Thu 12/620:05LHR - GUM
2 stops57h 35mJapan Airlines
Thu 26/616:40GUM - LHR
2 stops47h 45mJapan Airlines
Deal found 17/4£1,081
Sun 1/619:35LHR - GUM
1 stop19h 35mKorean Air
Sat 7/601:55GUM - LHR
1 stop24h 25mKorean Air
Deal found 16/4£1,308
Fri 25/719:00LHR - GUM
1 stop35h 45mANA
Fri 5/907:30GUM - LHR
2 stops41h 50mANA
Deal found 16/4£5,538

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 17 April 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Tamuning that are best for you.

Fly from

Heathrow

Fly to

Tamuning

Route

Depart

Return

Price

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 12/6

09:45-00:10

2 stops29h 25m

Tamuning Guam Intl

Tue 24/6

01:55-12:45

2 stops43h 50m

£837

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Thu 12/6

20:05-14:40

2 stops57h 35m

Tamuning Guam Intl

Thu 26/6

16:40-07:25

2 stops47h 45m

£1,081

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sun 1/6

19:35-00:10

1 stop19h 35m

Tamuning Guam Intl

Sat 7/6

01:55-17:20

1 stop24h 25m

£1,308

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 25/7

19:00-15:45

1 stop35h 45m

Tamuning Guam Intl

Fri 5/9

07:30-16:20

2 stops41h 50m

£5,538

Flights are sorted by cheapest return flights first.

Deals found on 17/4

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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Tamuning

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

Find hourly flight availability from Heathrow to Tamuning. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 April 2025.

It’s optimal to fly from London Heathrow Airport to Tamuning at midday. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

Rainfall in Tamuning by month

Plan your trip to Tamuning by taking into account the average rainfall totals by month.

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.

Temperature in Tamuning by month

Plan your trip to Tamuning by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Tamuning

Get insights into the airlines that provide service to Tamuning. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tamuning. Reviews last updated 17 April 2025.
Korean Air
8.4
Very Good
1,064 reviews
Check prices

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.
Korean Air
8.4
Very Good
1,064 reviews
Korean Air
8.4
Very Good
1,064 reviews
Check prices

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.
Japan Airlines
8.3
Very Good
1,443 reviews
Korean Air
8.4
Very Good
1,064 reviews
Check prices

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.
ANA
8.3
Very Good
844 reviews
Korean Air
8.4
Very Good
1,064 reviews
Check prices

Overall

8.4

Food

8.1

Crew

8.7

Entertainment

8.2

Boarding

8.5

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2024

DFW - ICN

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

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 1 airline.

  • What are the cheapest airlines flying from London Heathrow Airport to Tamuning round-trip?

    Japan Airlines, at £1,081, was found to be the cheapest airline from London Heathrow Airport to Tamuning.Alternate airlines flying return to your destination include Korean Air and ANA. You may be able to fly from London Heathrow Airport to Tamuning for 7% less than the average price by searching for these 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

Top airline flying from Heathrow to Tamuning

Discover the top airline that operate flights from Heathrow to Tamuning. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest£831Average£885FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

Fly with Cheapflights

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

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

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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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