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Cheap flights from London Heathrow Airport to Tonga from £1,523

LHR — TBU
21 Oct — 28 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Tonga

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Tonga

Mon 16/1112:05 -
2 stops34h 55m
Mon 23/1121:40 -
2 stops45h 15m
Deal found 20/9£1,523

Find flight deals from Heathrow to Tonga

Round-trip from

£1,523
Air New Zealand
  • Air New Zealand
  • 16/11-23/11
  • 4 total stops
  • 80h 10m total
  • London to Tonga
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Use the filters below to find and compare flights from London Heathrow Airport to Tonga that are best for you.

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Cheapest return flight

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 16/11

12:05-12:00

2 stops34h 55m

Nuku‘alofa Fua'Amotu Intl

Mon 23/11

21:40-05:55

2 stops45h 15m

£1,523
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

£1,674

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

£7,498

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Sorted by cheapest first

Best time to book a flight from Heathrow to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Tonga

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

Reviews of airlines servicing Tonga

Read reviews from past customers who have flown with Air New Zealand from London Heathrow Airport to Tonga. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
669 reviews
Check prices

Entertainment

7.4

Food

7.5

Comfort

7.9

Boarding

8.2

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

Entertainment

7.4

Food

7.5

Comfort

7.9

Boarding

8.2

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 Heathrow to Tonga that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow to Tonga

AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,424Average£1,756FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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