$689 Cheap flights to Tongatapu

100% of momondo users visit Nuku‘alofa more often than any other city in Tongatapu. When travelling to Nuku‘alofa, typically the most convenient airport to fly into is Nuku‘alofa Airport.

The temperatures in Tongatapu range from 22 °C to 27 °C depending on the time of year. The warmest month in Tongatapu is February, and the coldest month in Tongatapu is July. Those looking for a drier month during their visit should travel during the months of June, June, or May, when rain is least likely compared to the rest of the year.

Qantas Airways is the most popular airline offering flights to Tongatapu, with 51% of our users opting to fly with them when travelling to Tongatapu. Other popular options include Fiji Airways and Air New Zealand. There are a total of 3 different airlines flying to Tongatapu.

Flights to Tongatapu have been found on momondo for as low as $357 per ticket recently. However, the average price tends to be $939 and anything for $640 or less is a good deal. $2,434 is the most expensive flight we’ve seen in the past week, though you may be able to avoid this price depending on what airport you fly from, what airline you choose, and how far in advance you book your flights.

Friday is the best day of the week to fly to Tongatapu based on flight prices. Monday is another affordable option. If you are looking to save money on flights to Tongatapu, then try to avoid flying out on a Thursday since this is when prices are at their highest.

Prices for flights to Tongatapu are refreshed on a daily basis.

The number of operators available for flights to Tongatapu is 3 as of December 2025.

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel to Tongatapu.

The travel and health documents required for your trip to Tongatapu can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Tongatapu. We always recommend checking with your airline or a trusted third party such as IATA to get advice.