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Cheap flights from London Heathrow Airport to Tonga from £1,289

LHR — TBU
7 Oct — 14 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

Sun 18/1021:20 -
2 stops52h 15m
Wed 28/1013:20 -
2 stops41h 10m
Deal found 7/9£1,289
Fri 6/1117:05 -
2 stops62h 20m
Fri 13/1121:40 -
2 stops51h 10m
Deal found 3/9£1,519
Sun 18/1015:05 -
2 stops39h 40m
Tue 27/1010:10 -
2 stops46h 00m
Deal found 7/9£1,721
Mon 19/1013:05 -
2 stops36h 30m
Wed 28/1013:20 -
2 stops37h 10m
Deal found 7/9£1,829
Mon 19/1013:00 -
2 stops36h 35m
Tue 27/1010:10 -
2 stops32h 45m
Deal found 7/9£1,850
Sun 18/1015:05 -
2 stops39h 40m
Mon 2/1121:40 -
2 stops45h 15m
Deal found 7/9£1,901
Sat 17/1015:05 -
2 stops30h 40m
Mon 2/1121:40 -
2 stops45h 15m
Deal found 7/9£1,979
Sat 17/1015:05 -
2 stops30h 40m
Tue 27/1010:10 -
2 stops32h 45m
Deal found 7/9£1,996
Sat 17/1015:05 -
2 stops30h 40m
Wed 28/1013:20 -
2 stops37h 10m
Deal found 7/9£2,008
Mon 19/1012:45 -
2 stops36h 50m
Mon 2/1121:40 -
2 stops45h 15m
Deal found 7/9£2,031

Find flight deals from Heathrow to Tonga

Round-trip from

£1,289
18/10-28/10
  • 18/10-28/10
  • 4 total stops
  • 93h 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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Depart

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Price

Cheapest return flight

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Fri 6/11

17:05-20:25

2 stops62h 20m

Nuku‘alofa Fua'Amotu Intl

Fri 13/11

21:40-11:50

2 stops51h 10m

£1,519
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

£1,533

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sat 17/10

15:05-09:45

2 stops30h 40m

Nuku‘alofa Fua'Amotu Intl

Mon 2/11

21:40-05:55

2 stops45h 15m

£1,979

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Tue 20/10

11:20-09:45

2 stops34h 25m

Nuku‘alofa Fua'Amotu Intl

Tue 3/11

10:10-05:55

2 stops32h 45m

£2,117

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 19/10

20:35-13:35

2 stops29h 00m

Nuku‘alofa Fua'Amotu Intl

Mon 26/10

21:40-15:20

2 stops54h 40m

£2,176

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Fri 2/10

20:35-09:45

2 stops49h 10m

Nuku‘alofa Fua'Amotu Intl

Fri 9/10

21:40-13:20

2 stops51h 40m

£2,321

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Tue 20/10

20:35-20:40

2 stops60h 05m

Nuku‘alofa Fua'Amotu Intl

Mon 2/11

21:40-19:10

2 stops58h 30m

£2,321

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sun 18/10

22:05-13:35

2 stops51h 30m

Nuku‘alofa Fua'Amotu Intl

Fri 30/10

21:40-15:20

2 stops54h 40m

£2,365

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Fri 16/10

09:25-09:45

2 stops60h 20m

Nuku‘alofa Fua'Amotu Intl

Fri 30/10

21:40-15:20

2 stops54h 40m

£2,715

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Fri 2/10

18:00-09:45

2 stops51h 45m

Nuku‘alofa Fua'Amotu Intl

Fri 9/10

21:40-19:20

3 stops57h 40m

£2,968

Flights are sorted by cheapest return flights first.

Deals found on 2/9

Showing 1-10 of 11 resultsSorted by cheapest first
1
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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
668 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Comfort

7.9

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
668 reviews
Air New Zealand
8.0
Very Good
668 reviews
Check prices

Boarding

8.2

Entertainment

7.4

Overall

8.0

Food

7.4

Crew

8.5

Comfort

7.9

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

  • How long is the flight from London Heathrow Airport to Tonga?

    Airlines like Singapore Airlines fly from London Heathrow Airport to Tonga in about 34h 25m. The time it takes to get you to your destination can typically vary by up to . The distance from London Heathrow Airport to Tonga is about 10321 mi.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Heathrow to Tonga

AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest£1,220Average£1,726FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights

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