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Cheap flights from London to Tonga from £743

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TBU
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Tonga

Enter your travel dates to find the best prices.

Cheapest flights from London to Tonga
Explore the most affordable flight options available from London to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2026.

Sat 25/718:55
LHR
-
TBU
3 stops60h 50m
Multiple Airlines
Tue 4/820:55
TBU
-
LHR
3 stops70h 35m
Multiple Airlines
Deal found 18/6£1,494
Thu 12/1110:40
LHR
-
TBU
2 stops35h 15m
Singapore Airlines
Mon 16/1121:40
TBU
-
LHR
2 stops47h 00m
Singapore Airlines
Deal found 17/6£2,460
Thu 25/615:00
LHR
-
TBU
2 stops31h 45m
Air New Zealand
Wed 15/715:50
TBU
-
LHR
2 stops35h 55m
Air New Zealand
Deal found 15/6£3,137
Wed 24/622:05
LHR
-
TBU
2 stops35h 35m
Air New Zealand
Wed 15/715:50
TBU
-
LHR
2 stops35h 55m
Air New Zealand
Deal found 15/6£3,149

Find flight deals from London to Tonga

Keep the following information in mind while searching for London to Tonga flight deals. Data was last updated 18 June 2026.

Round-trip from

£1,494

One-way from

£743
25/7-4/8
  • 25/7-4/8
  • 6 total stops
  • 131h 25m total
  • London to Tonga
Search Deals
2/9
  • 2/9
  • 2 total stops
  • 49h 25m total
  • London to Tonga
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 18 June 2026.
Use the filters below to find and compare flights from London to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 25/7

09:10-10:45

2 stops37h 35m

Nuku‘alofa Fua'Amotu Intl

Tue 4/8

20:55-11:00

2 stops50h 05m

£1,853
Fastest return journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 12/11

10:40-10:55

2 stops35h 15m

Nuku‘alofa Fua'Amotu Intl

Mon 16/11

21:40-07:40

2 stops47h 00m

£2,460
Cheapest one-way

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 3/10

22:05-10:35

3 stops48h 30m

£810

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Fri 2/10

20:50-10:35

3 stops49h 45m

£1,015

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 3/8

08:05-14:35

3 stops42h 30m

£1,086
Fastest single journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 3/10

15:05-09:45

2 stops30h 40m

£1,172

Flights are sorted by cheapest return flights first.

Deals found on 15/6

Sorted by cheapest first

Best time to book a flight from London to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from London 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 to Tonga
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London to Tonga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from London to Tonga?

    Airlines like Singapore Airlines fly from London to Tonga in about 35h 15m. The time it takes to get you to your destination can typically vary by up to . There are 10321 mi between London and Tonga.

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

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

  • How can I find direct flights from London to Tonga?

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

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

    Yes. Cheapflights offers flight deals from London 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.

See more FAQs

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Alternative routes for London to Tonga

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Top airline flying from London to Tonga

Discover the top airline that operate flights from London 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 18 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,280Average£1,760FlexibilityNo cancel feeOn-time78%
Search Air New Zealand 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 London to Tonga?

Deals for London to Tonga 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 London to Tonga?

Millions of users choose and trust Cheapflights to book the best flight deals from London to Tonga for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to Tonga with no change fees?

Yes, we can. To see specific flights from London to Tonga with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from London to Tonga become cheaper?

Not ready to book yet? You can track prices for flights from London to Tonga on Cheapflights with our Price Alert feature and get notified when better prices are available.

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