Cheap flights from London Heathrow Airport to Tonga from £1,230
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/7. Fares are subject to change and may not be available on all flights or dates of travel.
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 13 June 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 13 June 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 13 June 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
Sat 26/7
11:40-11:10
2 stops35h 30m
Nuku‘alofa Fua'Amotu Intl
Sat 2/8
12:20-10:10
2 stops33h 50m
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Sun 31/8
13:05-11:10
2 stops34h 05m
Nuku‘alofa Fua'Amotu Intl
Sat 27/9
12:20-11:10
2 stops34h 50m
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Sun 7/9
09:25-11:10
2 stops37h 45m
Nuku‘alofa Fua'Amotu Intl
Wed 8/10
11:20-19:30
2 stops44h 10m
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Mon 23/6
09:25-13:20
2 stops39h 55m
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 13 June 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.
Rainfall in Tonga by month
Plan your trip to Tonga by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Tonga ranges from 95.0 - 210.0 inches per month. February is typically the wettest month, when rainfall can reach 210.0 mm. June is typically the driest time to visit Tonga when rainfall is around 95.0 mm.
Temperature in Tonga by month
Plan your trip to Tonga by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Tonga, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 22.0 C).
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 13 June 2025.
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Gina,Dec 2024
BLR - SIN
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Gina,Dec 2024
BLR - SIN
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Gina,Dec 2024
BLR - SIN
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Tonga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Heathrow to Tonga
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