£1,423 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.

Temperatures in Tongatapu can vary between 22 °C and 27 °C based on the time of year. Typically, the coldest month in Tongatapu will be July, and the warmest month will be February. It is also worth noting that those looking to avoid rain and/or snow should consider travelling to Tongatapu in June, June, and May, as that is when precipitation is least likely.

Flight times from United Kingdom to Tongatapu vary, but if you’re flying out of London Heathrow and flying into Nuku‘alofa Fua'Amotu Intl (one of the most popular routes), then the duration is 35h 35m on average. Another popular route from United Kingdom to Tongatapu is flying from Manchester to Nuku‘alofa Fua'Amotu Intl, which will take roughly . Keep in mind that layovers or delays could extend your travel time.

Prices for flights to Tongatapu are updated daily.

As of January 2026, there is 1 operator available to choose from for flights to Tongatapu.

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Tongatapu.

The required travel and health documents for your Tongatapu trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tongatapu. We recommend that you seek guidance from your airline or a reliable third party such as IATA.