Cheap flights from the United Kingdom to Tonga from £1,573
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
Find flight deals from United Kingdom to Tonga
Cheapest flights from United Kingdom to TongaExplore the most affordable flight options available from United Kingdom to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Explore the most affordable flight options available from United Kingdom to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from United Kingdom 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 11 July 2025.
Use the filters below to find and compare flights from the United Kingdom to Tonga that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Sat 30/8
09:30-11:10
3 stops37h 40m
Nuku‘alofa Fua'Amotu Intl
Thu 2/10
11:20-20:40
3 stops45h 20m
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
13:35-15:45
2 stops38h 10m
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
Thu 24/7
16:55-16:25
2 stops35h 30m
LondonNuku‘alofa
LHR - TBU
LHRTBU
London Heathrow
Thu 24/7
08:30-16:25
3 stops43h 55m
Best time to book a flight from United Kingdom to Tonga
Have a flexible travel schedule? Discover the best time to fly to Tonga from United Kingdom with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from the United Kingdom to Tonga
What is the cheapest time of day to fly from GB to TO?
Find hourly flight availability from United Kingdom 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 11 July 2025.
When flying from United Kingdom 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 11 July 2025.
Read through reviews of airlines operating flights from the United Kingdom to Tonga, such as Singapore Airlines, Fiji Airways, andAir New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jul 2025
DAD - SIN
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jul 2025
DAD - SIN
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jul 2025
DAD - SIN
Crew
Food
Overall
Boarding
Comfort
Entertainment
Reviews
Anonymous,Jul 2025
DAD - SIN
Related info for your journey
Find useful and relevant information for your journey from United Kingdom 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 United Kingdom to Tonga
See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from United Kingdom to Tonga?
Cheapflights makes it easy to find United Kingdom to Tonga flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from United Kingdom to Tonga?
Cheapflights simply makes it quick and affordable to book flights from United Kingdom to Tonga by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from United Kingdom to Tonga with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from United Kingdom to Tonga, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from United Kingdom to Tonga become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!