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Cheap flights from the United Kingdom to Tonga from £662

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 25/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TBU
8 Sep — 15 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from United Kingdom to Tonga

Enter your travel dates to find the best prices.

Cheapest flights from United Kingdom to Tonga
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 9 August 2026.

Wed 2/921:20 -
2 stops49h 25m
Wed 9/915:50 -
2 stops38h 50m
Deal found 5/8£1,134
Thu 3/914:30 -
2 stops32h 15m
Thu 10/911:55 -
2 stops35h 40m
Deal found 5/8£1,439
Fri 4/921:20 -
2 stops49h 25m
Fri 11/922:40 -
2 stops56h 00m
Deal found 7/8£1,705

Find flight deals from United Kingdom to Tonga

Keep the following information in mind while searching for United Kingdom to Tonga flight deals. Data was last updated 9 August 2026.

Round-trip from

£1,134

One-way from

£662
2/9-9/9
  • 2/9-9/9
  • 4 total stops
  • 88h 15m total
  • United Kingdom to Tonga
Search Deals
25/10
  • 25/10
  • 3 total stops
  • 40h 25m total
  • United Kingdom to Tonga
Search Deals

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 9 August 2026.
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

Cheapest return flight

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Wed 2/9

21:20-10:45

2 stops49h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 9/9

15:50-18:40

2 stops38h 50m

£1,134
Fastest return journey

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Thu 3/9

14:30-10:45

2 stops32h 15m

Nuku‘alofa Fua'Amotu Intl

Thu 10/9

11:55-11:35

2 stops35h 40m

£1,439

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Fri 4/9

20:35-10:45

2 stops50h 10m

Nuku‘alofa Fua'Amotu Intl

Fri 11/9

22:40-13:15

3 stops50h 35m

£2,247
Cheapest one-way

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Sun 25/10

20:25-15:55

2 stops30h 30m

£722

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Tue 27/10

17:40-01:50

3 stops43h 10m

£760

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Fri 23/10

21:20-20:25

2 stops59h 05m

£928

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Sat 3/10

15:05-09:45

2 stops30h 40m

£1,148
Fastest single journey

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Mon 26/10

16:50-10:35

2 stops28h 45m

£1,171

LondonNuku‘alofa

LHR London Heathrow - TBU Nuku‘alofa Fua'Amotu Intl

LHRTBU

London Heathrow

Sat 3/10

18:55-18:45

3 stops59h 50m

£1,188

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Sorted by cheapest first

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.
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 the United Kingdom to Tonga

No data available for this route at this time. Please check back soon.

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 9 August 2026.
Read through reviews of airlines operating flights from the United Kingdom to Tonga, such as Air New Zealand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Overall

8.0

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very Good
659 reviews
Air New Zealand
8.0
Very Good
659 reviews
Check prices

Overall

8.0

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

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.

  • Can I find deals for flights from United Kingdom to Tonga that include hotel bookings?

    Yes. In addition to deals on United Kingdom to Tonga flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Tonga?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Tonga.

  • Can I find deals for business class flights from United Kingdom to Tonga?

    Yes. Cheapflights offers flight deals from United Kingdom to Tonga by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Tonga

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Top airline flying from United Kingdom to Tonga

Discover the top airline that operate flights from United Kingdom to Tonga. 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 9 August 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,257Average£1,729FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

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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!

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