£1,460+ Cheap flights to Tonga

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
— TBU
3 Jan — 10 Jan1
1 adult
1 adult, Economy, 0 bags

Flights to Tonga in 2025

Enter your travel dates to find the best prices.

Best flights to Tonga
Discover carefully curated flight deals to Tonga that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 4 December 2025.

Wed 6/511:25LHR - TBU
2 stops46h 05mAir New Zealand
Fri 22/522:40TBU - LHR
2 stops53h 05mAir New Zealand
Deal found 4/12£1,460
Wed 6/522:05LHR - TBU
2 stops57h 40mMultiple Airlines
Fri 22/522:40TBU - LHR
3 stops56h 40mMultiple Airlines
Deal found 4/12£1,735

Cheapflights Fare Finder

 
Locate flights to Tonga that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 858,174 searches and data was last updated on 4 December 2025.
Use the filters below to find and compare flights to Tonga that are best for you.

Fly from

London

Route

Depart

Return

Price

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 6/5

11:25-21:30

2 stops46h 05m

Nuku‘alofa Fua'Amotu Intl

Fri 22/5

22:40-15:45

2 stops53h 05m

£1,460

LondonNuku‘alofa

LHR - TBU

LHRTBU

London Heathrow

Wed 6/5

22:05-19:45

2 stops57h 40m

Nuku‘alofa Fua'Amotu Intl

Fri 22/5

22:40-19:20

3 stops56h 40m

£1,735

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Best time to book a flight to Tonga

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

How long is the flight to Tonga?

On average, a flight from London to Tonga takes 45 hours 15 minutes. Flights to Tonga from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Tonga?

The most popular airline flying from London to Tonga is Air New Zealand.

Air New Zealand
Air New Zealand
From £1,241

What are the cheapest airlines that fly to Tonga?

The cheapest airline flying from London to Tonga is Air New Zealand.

Rainfall in Tonga by month

Plan your trip to Tonga by taking into account the average rainfall totals by month.

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.

Temperature in Tonga by month

Plan your trip to Tonga by taking into account the average temperature totals by month.

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).

FAQs about flying to Tonga

  • Can I find cheaper flights to Tonga if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Tonga on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Tonga?

    Based on reviews from Cheapflights users, Air New Zealand is rated the highest out of the airlines that fly to Tonga.

  • Does Nuku‘alofa Fua'Amotu Intl have car hire?

    Yes. Those touching down at Nuku‘alofa Fua'Amotu Intl can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Nuku‘alofa Fua'Amotu Intl?

    Yes. Nuku‘alofa Fua'Amotu Intl has hotels nearby for those requiring accommodations. Aloft Airport Accommodation is the closest property to Nuku‘alofa Fua'Amotu Intl (0.0 mi away from Nuku‘alofa Fua'Amotu Intl).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Find flights to Tonga cities and airports

Select your preferred flight destination in Tonga from the list below.
Flights to Nuku‘alofa
Flights to Vava'u

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

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