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Cheap flights from London Heathrow Airport to Tonga from £716

LHR — TBU
27 Sep — 4 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

Wed 21/1021:20 -
2 stops48h 25m
Mon 2/1121:40 -
2 stops56h 50m
Deal found 25/8£1,152
Sat 10/1018:20 -
2 stops43h 25m
Sat 17/1005:00 -
2 stops51h 35m
Deal found 26/8£1,778

Find flight deals from Heathrow to Tonga

Round-trip from

£1,152

One-way from

£716
21/10-2/11
  • 21/10-2/11
  • 4 total stops
  • 105h 15m total
  • London to Tonga
Search Deals
19/10
  • 19/10
  • 2 total stops
  • 48h 25m total
  • London to Tonga
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Tonga that are best for you.

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Route

Depart

Return

Price

Cheapest return flight

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Wed 21/10

21:20-09:45

2 stops48h 25m

Nuku‘alofa Fua'Amotu Intl

Mon 2/11

21:40-17:30

2 stops56h 50m

£1,152
Fastest return journey

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 1/2

14:55-12:00

3 stops32h 05m

Nuku‘alofa Fua'Amotu Intl

Thu 11/2

21:40-19:50

3 stops59h 10m

£1,696

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sat 10/10

18:20-01:45

2 stops43h 25m

Nuku‘alofa Fua'Amotu Intl

Sat 17/10

05:00-20:35

2 stops51h 35m

£1,778
Cheapest one-way

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 19/10

21:20-09:45

2 stops48h 25m

£716

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sat 3/10

18:55-18:45

3 stops59h 50m

£1,269
Fastest single 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

£1,341

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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
665 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
665 reviews
Air New Zealand
8.0
Very Good
665 reviews
Check prices

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Comfort

7.9

Entertainment

7.4

Reviews

1 / 20
2.0
Mediocre

Viren,Jun 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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£1,214Average£1,717FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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Need flexible booking options for your flight to Tonga from Heathrow? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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