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Cheap flights from London to Tonga from £574

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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TBU
23 May — 30 May1
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 23 April 2026.

Wed 24/608:40
LHR
-
TBU
3 stops53h 05m
Multiple Airlines
Tue 14/705:40
TBU
-
LHR
3 stops47h 50m
Multiple Airlines
Deal found 18/4£1,407
Thu 4/608:25
LHR
-
TBU
3 stops43h 30m
Multiple Airlines
Thu 11/611:20
TBU
-
LHR
3 stops62h 45m
Multiple Airlines
Deal found 20/4£1,548
Mon 25/509:30
LHR
-
TBU
3 stops37h 05m
Multiple Airlines
Thu 18/605:40
TBU
-
LHR
3 stops60h 45m
Multiple Airlines
Deal found 19/4£1,567
Tue 26/522:15
LHR
-
TBU
3 stops39h 30m
Multiple Airlines
Thu 18/605:40
TBU
-
LHR
3 stops42h 45m
Multiple Airlines
Deal found 19/4£1,619
Mon 25/522:15
LHR
-
TBU
3 stops48h 20m
Multiple Airlines
Fri 19/616:55
TBU
-
LHR
3 stops55h 30m
Multiple Airlines
Deal found 19/4£1,629

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 23 April 2026.

Round-trip from

£1,407

One-way from

£574
24/6-14/7
  • 24/6-14/7
  • 6 total stops
  • 100h 55m total
  • London to Tonga
Search Deals
11/5
  • 11/5
  • 3 total stops
  • 48h 45m 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 23 April 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

Wed 24/6

08:40-01:45

3 stops53h 05m

Nuku‘alofa Fua'Amotu Intl

Tue 14/7

05:40-17:35

2 stops47h 55m

£1,411

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 4/6

08:25-15:55

3 stops43h 30m

Nuku‘alofa Fua'Amotu Intl

Thu 11/6

11:20-14:05

3 stops62h 45m

£1,548

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 25/5

09:30-10:35

3 stops37h 05m

Nuku‘alofa Fua'Amotu Intl

Thu 18/6

05:40-06:25

3 stops60h 45m

£1,567

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 25/5

22:15-10:35

3 stops48h 20m

Nuku‘alofa Fua'Amotu Intl

Fri 19/6

16:55-12:25

3 stops55h 30m

£1,629
Fastest return journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 24/6

15:05-21:40

2 stops42h 35m

Nuku‘alofa Fua'Amotu Intl

Tue 14/7

20:55-05:55

2 stops45h 00m

£2,102

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Sat 1/8

18:55-19:45

3 stops60h 50m

Nuku‘alofa Fua'Amotu Intl

Fri 7/8

22:40-08:00

3 stops69h 20m

£2,305

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Thu 17/9

09:25-19:45

2 stops46h 20m

Nuku‘alofa Fua'Amotu Intl

Mon 21/9

11:55-19:30

2 stops67h 35m

£2,427
Cheapest one-way
Fastest single journey

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 11/5

22:00-10:45

3 stops48h 45m

£574

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Mon 25/5

22:00-19:45

3 stops57h 45m

£695

Flights are sorted by cheapest return flights first.

Deals found on 22/4

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.

  • 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.

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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 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,256Average£1,727FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

Fly with Cheapflights

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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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