In terms of precipitation, rainfall in Tonga 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 Tonga when rainfall is around 95.0 mm.

If weather is an important factor for your trip to Tonga, 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 TO?

When flying from London Heathrow Airport to Tonga, 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 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.

£540+ Cheap Flights from London Heathrow Airport to Tonga

Cheap flight deals from Heathrow to Tonga

Enter your travel dates to find the best prices.

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

Wed 4/1121:00 -

2 stops48h 55m

Wed 11/1113:20 -

2 stops41h 10m

Deal found 12/10£1,336

Mon 9/1110:00 -

2 stops37h 00m

Mon 16/1121:40 -

2 stops52h 50m

Deal found 10/10£1,431

Thu 26/1109:35 -

2 stops36h 20m

Thu 3/1221:40 -

2 stops51h 10m

Deal found 12/10£1,566

Find flight deals from Heathrow to Tonga

Round-trip from	£1,336
One-way from	£540

4/11-11/11
4 total stops
90h 05m total
London to Tonga

Search Deals

16/11-31/12
3 total stops
58h 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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Price

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LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 16/11

21:00-20:25

3 stops58h 25m

Nuku‘alofa Fua'Amotu Intl

Wed 31/12

00:00-12:00

Nonstop0h 00m

£540

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Wed 4/11

21:00-10:55

2 stops48h 55m

Nuku‘alofa Fua'Amotu Intl

Wed 11/11

13:20-17:30

2 stops41h 10m

£1,336

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Thu 26/11

09:35-10:55

2 stops36h 20m

Nuku‘alofa Fua'Amotu Intl

Thu 3/12

21:40-11:50

2 stops51h 10m

£1,566

LondonNuku‘alofa

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

LHRTBU

London Heathrow

Mon 9/11

09:00-10:35

3 stops36h 35m

Nuku‘alofa Fua'Amotu Intl

Mon 16/11

11:20-17:50

3 stops43h 30m

£1,709

Flights are sorted by cheapest return flights first.

Deals found on 8/10

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.

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 Tonga

LHR-TO0

LHR-TBU

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

671 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Blair,Oct 2026

WLG - AKL

The chicken dish was okay but kind of weird unlike the chicken penne on my trip home which was delicious.

Air New Zealand

8.0

Very Good

671 reviews

Air New Zealand

8.0

Very Good

671 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Blair,Oct 2026

WLG - AKL

The chicken dish was okay but kind of weird unlike the chicken penne on my trip home which was delicious.

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

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Top airline flying from Heathrow to Tonga

Airline	Cheapest	Average	Flexibility	On-time
Air New Zealand	Cheapest£1,442	Average£1,779	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights

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When you search for this flight from Heathrow to Tonga, 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.

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

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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Cheap flights from London Heathrow Airport to Tonga from £540

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Heathrow to Tonga

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

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

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

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

Last-minute flights from Heathrow to TongaDiscover last-minute flight deals from Heathrow to Tonga. Data last updated 13 October 2026 and is based on user searches.

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

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

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

Find flight deals from Heathrow to Tonga

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Cheapflights Fare Finder

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

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.

Cheapflights Insights

Reviews of airlines servicing Tonga

Get insights into the airlines that provide service to Tonga. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tonga. Reviews last updated 13 October 2026.

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.

Related info for your journey

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

How can I find direct flights from Heathrow to Tonga?

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

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 Tonga

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

Complete your trip

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

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

Search flights from Heathrow to Tonga by cabin class

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

Heathrow and Tonga flights

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Top airline flying from Heathrow to Tonga

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

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

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

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

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

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

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

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