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Cheap flights from the United Kingdom to Tonga from £1,680

LHR — TBU
19 Oct — 26 Oct1
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

Mon 14/922:05 -
2 stops48h 40m
Wed 30/914:50 -
2 stops32h 20m
Deal found 14/9£2,728
Tue 15/921:35 -
3 stops60h 05m
Wed 30/914:50 -
2 stops33h 25m
Deal found 15/9£3,042
Mon 14/922:05 -
2 stops48h 40m
Wed 30/914:50 -
3 stops64h 30m
Deal found 14/9£3,122

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from the United Kingdom to Tonga that are best for you.

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Cheapest return flight
Fastest return journey

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sat 3/10

15:05-09:45

2 stops30h 40m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

£1,680

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sat 3/10

20:50-01:45

3 stops40h 55m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

£7,553

Flights are sorted by cheapest return flights first.

Deals found on 18/9

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

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

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
669 reviews
Check prices

Food

7.5

Comfort

7.9

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed
Air New Zealand
8.0
Very Good
669 reviews
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Food

7.5

Comfort

7.9

Boarding

8.2

Entertainment

7.4

Crew

8.5

Overall

8.0

Reviews

1 / 20
6.0
Good

Anonymous,Aug 2026

FLL - IAH

All good. Problem was delay caused by weather in Houston creating anxiety about my AirNZ connection. Nothing that United could do about that, and in fairness th captain kept us very well informed

Related info for your journey

  • 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

Top airline flying from United Kingdom to Tonga

AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,234Average£1,745FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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