How long is the flight from London Heathrow Airport to Tongatapu?

Departing from London Heathrow Airport to Tongatapu will take you 32h 30m. The distance from London Heathrow Airport to Tongatapu is about 10321 mi.

In terms of precipitation, rainfall in Tongatapu ranges from 95.0 - 210.0 inches per month. February is typically the wettest month, when rainfall can reach 210.0 mm. June is typically the driest time to visit Tongatapu when rainfall is around 95.0 mm.

If weather is an important factor for your trip to Tongatapu, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 22.0 C).

What is the cheapest time of day to fly from LHR to TT?

When flying from London Heathrow Airport to Tongatapu, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Heathrow to Tongatapu that include hotel bookings?

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

How can I find direct flights from Heathrow to Tongatapu?

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

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

Yes. Cheapflights offers flight deals from Heathrow to Tongatapu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£687+ Cheap Flights from London Heathrow Airport to Tongatapu

Cheap flight deals from Heathrow to Tongatapu

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Heathrow to Tongatapu
Explore the most affordable flight options available from Heathrow to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.

Sun 27/1221:00 -

2 stops50h 00m

Wed 30/1221:40 -

2 stops56h 50m

Deal found 9/9£1,701

Thu 17/916:55 -

2 stops35h 00m

Wed 30/911:20 -

2 stops35h 45m

Deal found 12/9£1,867

Mon 28/913:05 -

2 stops36h 30m

Sat 3/1010:55 -

2 stops35h 15m

Deal found 12/9£2,430

Thu 17/915:00 -

2 stops31h 45m

Wed 30/914:50 -

2 stops32h 20m

Deal found 12/9£2,599

Mon 28/912:20 -

3 stops58h 15m

Sat 3/1016:55 -

2 stops39h 40m

Deal found 12/9£2,861

Thu 17/917:00 -

2 stops35h 30m

Wed 30/914:50 -

3 stops31h 55m

Deal found 12/9£2,865

Find flight deals from Heathrow to Tongatapu

Round-trip from	£1,447
One-way from	£687

Air New Zealand
28/2-17/3
4 total stops
70h 10m total
London to Tongatapu

Search Deals

7/12-31/12
3 total stops
53h 00m total
London to Tongatapu

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 7/12

21:00-15:00

3 stops53h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

£687

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 7/12

13:30-10:35

2 stops32h 05m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

£825

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sun 28/2

10:55-08:55

2 stops33h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 17/3

13:20-13:30

2 stops37h 10m

£1,447

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Wed 3/3

09:25-20:25

3 stops46h 00m

Nuku‘alofa Fua'Amotu Intl

Thu 11/3

21:40-06:25

3 stops45h 45m

£1,508

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 1/3

14:30-12:00

2 stops32h 30m

Nuku‘alofa Fua'Amotu Intl

Tue 16/3

10:10-05:55

2 stops32h 45m

£1,514

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sat 27/2

21:45-20:25

2 stops33h 40m

Nuku‘alofa Fua'Amotu Intl

Tue 16/3

10:10-05:55

2 stops32h 45m

£1,531

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

£1,637

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 1/3

14:15-12:00

3 stops32h 45m

Nuku‘alofa Fua'Amotu Intl

Thu 18/3

21:40-06:25

3 stops45h 45m

£1,637

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Sun 27/12

21:00-12:00

2 stops50h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 30/12

21:40-17:30

2 stops56h 50m

£1,701

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Tue 2/3

20:35-20:25

2 stops34h 50m

Nuku‘alofa Fua'Amotu Intl

Tue 16/3

10:10-07:40

2 stops34h 30m

£1,917

Flights are sorted by cheapest return flights first.

Deals found on 10/9

Showing 1-10 of 12 resultsSorted by cheapest first

Best time to book a flight from Heathrow to Tongatapu

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

LHR-TBU

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 Heathrow Airport to Tongatapu

LHR-TOTT

LHR-TBU

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

Reviews of airlines servicing Tongatapu

Check out reviews from past customers who have flown with Air New Zealand from London Heathrow Airport to Tongatapu to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air New Zealand

8.0

Very Good

669 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Air New Zealand

8.0

Very Good

669 reviews

Air New Zealand

8.0

Very Good

669 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Dec 2025

BNE - AKL

Related info for your journey

How long is the flight from London Heathrow Airport to Tongatapu?
Departing from London Heathrow Airport to Tongatapu will take you 32h 30m. The distance from London Heathrow Airport to Tongatapu is about 10321 mi.
Can I find deals for flights from Heathrow to Tongatapu that include hotel bookings?
Yes. In addition to deals on Heathrow to Tongatapu flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Tongatapu?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Tongatapu.
Can I find deals for business class flights from Heathrow to Tongatapu?
Yes. Cheapflights offers flight deals from Heathrow to Tongatapu 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

Alternative routes

Complete your trip

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Alternative routes for Heathrow to Tongatapu

Heathrow to Nuku‘alofa flights

Top airline flying from Heathrow to Tongatapu

Airline	Cheapest	Average	Flexibility	On-time
Air New Zealand	Cheapest£1,219	Average£1,725	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Tongatapu?

When you search for this flight from Heathrow to Tongatapu, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Tongatapu?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Heathrow to Tongatapu for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Heathrow to Tongatapu with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Tongatapu flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Heathrow to Tongatapu become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Tongatapu from Heathrow today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London Heathrow Airport to Tongatapu from £687

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/12. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Tongatapu

Cheapest flights from Heathrow to TongatapuExplore the most affordable flight options available from Heathrow to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.

Explore the most affordable flight options available from Heathrow to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.

Best flights from Heathrow to TongatapuDiscover carefully curated flight deals from Heathrow to Tongatapu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Discover carefully curated flight deals from Heathrow to Tongatapu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Heathrow to TongatapuDiscover last-minute flight deals from Heathrow to Tongatapu. Data last updated 13 September 2026 and is based on user searches.

Discover last-minute flight deals from Heathrow to Tongatapu. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Heathrow to TongatapuSearch for one-way flight options from Heathrow to Tongatapu. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Search for one-way flight options from Heathrow to Tongatapu. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.

Find flight deals from Heathrow to Tongatapu

Round-trip from

One-way from

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Tongatapu

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

Cheapflights Insights

Reviews of airlines servicing Tongatapu

Check out reviews from past customers who have flown with Air New Zealand from London Heathrow Airport to Tongatapu to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London Heathrow Airport to Tongatapu?

Can I find deals for flights from Heathrow to Tongatapu that include hotel bookings?

How can I find direct flights from Heathrow to Tongatapu?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Heathrow to Tongatapu

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Tongatapu by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from Heathrow to Tongatapu by cabin class

Find flights from Heathrow to Tongatapu, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Heathrow and Tongatapu flights

Browse other Heathrow and Tongatapu flight options. Last updated on 13 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top airline flying from Heathrow to Tongatapu

Fly with Cheapflights

How does Cheapflights help users find flights from Heathrow to Tongatapu?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Tongatapu?

Can Cheapflights find flights from Heathrow to Tongatapu with no change fees?

Can Cheapflights notify me if prices for flights from Heathrow to Tongatapu become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Heathrow to Tongatapu
Explore the most affordable flight options available from Heathrow to Tongatapu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 September 2026.

Best flights from Heathrow to Tongatapu
Discover carefully curated flight deals from Heathrow to Tongatapu that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 13 September 2026.

Last-minute flights from Heathrow to Tongatapu
Discover last-minute flight deals from Heathrow to Tongatapu. Data last updated 13 September 2026 and is based on user searches.

One-way flights from Heathrow to Tongatapu
Search for one-way flight options from Heathrow to Tongatapu. Find affordable one-way fares based on user searches. Data last updated 13 September 2026.