Find flights
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Tamuning from £465

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — GUM
30 Mar — 6 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 25 March 2025.

Round-trip from

£961

One-way from

£465

Popular in

August

Cheapest in

November

Average price

£1,513
Japan Airlines
  • Japan Airlines
  • 15/9-22/9
  • 4 total stops
  • 109h 00m total
  • London to Tamuning
Search Deals
7/5
  • 7/5
  • 2 total stops
  • 57h 00m total
  • London to Tamuning
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (£300 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£74 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 25 March 2025.

Mon 15/918:10LHR - GUM
2 stops59h 30mJapan Airlines
Mon 22/916:40GUM - LHR
2 stops49h 30mJapan Airlines
Deal found 24/3£961
Mon 15/912:20LHR - GUM
2 stops28h 40mMultiple Airlines
Sun 21/903:05GUM - LHR
2 stops45h 10mMultiple Airlines
Deal found 24/3£1,012
Fri 4/719:35LHR - GUM
1 stop34h 40mKorean Air
Mon 7/717:00GUM - LHR
1 stop33h 20mKorean Air
Deal found 24/3£1,351

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 25 March 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

Mon 15/9

18:10-14:40

2 stops59h 30m

Tamuning Guam Intl

Mon 22/9

16:40-09:10

2 stops49h 30m

£961

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Mon 15/9

12:20-02:00

2 stops28h 40m

Tamuning Guam Intl

Sun 21/9

03:05-15:15

2 stops45h 10m

£1,012

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Fri 4/7

19:35-15:15

1 stop34h 40m

Tamuning Guam Intl

Mon 7/7

17:00-17:20

1 stop33h 20m

£1,351

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Wed 7/5

22:05-16:05

2 stops57h 00m

£465

LondonTamuning

LHR - GUM

LHRGUM

London Heathrow

Sat 12/7

19:35-15:15

1 stop34h 40m

£1,105

Flights are sorted by cheapest return flights first.

Deals found on 24/3

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 25 March 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 25 March 2025.
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

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
1,047 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

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
1,440 reviews
Korean Air
8.4
Very Good
1,047 reviews
Check prices

Boarding

8.5

Food

8.1

Comfort

8.3

Entertainment

8.2

Overall

8.4

Crew

8.7

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 2 different airlines.

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

    Japan Airlines, at £961, was found to be the cheapest airline from London Heathrow Airport to Tamuning. An alternate airline flying to your destination would be Korean Air. You may be able to fly from London Heathrow Airport to Tamuning for 22% 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 2 airlines flying from Heathrow to Tamuning

Discover the top 2 airlines 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest£852Average£907FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Korean AirCheapest£1,068Average£1,149FlexibilityNo cancel feeOn-time81%
Search Korean Air flights

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.