Cheap flights from London Heathrow Airport to Tonga from £1,269
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/8. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Heathrow to Tonga
Keep the following information in mind while searching for Heathrow to Tonga flight deals. Data was last updated 1 July 2025.
Round-trip from | £1,269 |
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Find flight deals from Heathrow to Tonga
Cheapest flights from Heathrow to TongaExplore the most affordable flight options available from Heathrow to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Explore the most affordable flight options available from Heathrow to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Heathrow to Tonga 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 1 July 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Tonga that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Wed 13/8
16:25-11:10
2 stops30h 45m
Nuku‘alofa Fua'Amotu Intl
Wed 20/8
14:35-10:05
2 stops31h 30m
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Sun 7/9
11:25-11:10
2 stops35h 45m
Nuku‘alofa Fua'Amotu Intl
Wed 8/10
13:35-15:45
2 stops38h 10m
Best time to book a flight from Heathrow to Tonga
Have a flexible travel schedule? Discover the best time to fly to Tonga from Heathrow with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from London Heathrow Airport to Tonga
What is the cheapest time of day to fly from LHR to TO?
Find hourly flight availability from Heathrow to Tonga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.
When flying from London Heathrow Airport to Tonga, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Reviews of airlines servicing Tonga
Get insights into the airlines that provide service to Tonga. 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 Tonga. Reviews last updated 1 July 2025.
Read reviews from past customers who have flown with Singapore Airlines from London Heathrow Airport to Tonga. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Pierre,Apr 2025
MLE - SIN
Entertainment
Crew
Boarding
Overall
Comfort
Food
Reviews
Pierre,Apr 2025
MLE - SIN
Related info for your journey
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Alternative routes for Heathrow to Tonga
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Can Cheapflights find flights from Heathrow to Tonga with no change fees?
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