A coastal cityscape with a prominent building with a red roof, a pier extending into the water, and various smaller structures along the waterfront.

Cheap Flights to Tongatapu Island from HK$16,799

View HK$16,799 flight on Sat, 26 Sept 2026Opens in a new window

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Cheap round-trip flights to Tongatapu Island

Prices were available within the past 7 days and start at HK$16,799 for one-way flights and HK$25,397 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Singapore Airlines
Air New Zealand
Air New Zealand

Frequently asked questions

How do I find cheap flights to Tongatapu Island that have flexible change policies?
We know that travel plans can change very quickly, so reserving a flexible fare with Expedia is a wise idea. Just check the "No change fee" box underneath the "Flexible change policies" filter. Your low-cost, flexible flight to Tongatapu Island is just a few clicks away.
How can I find cheap tickets to Tongatapu Island?
In the last seven days, HK$25,397 was the lowest price for a flight to Tongatapu Island. If you want to save even more, book in advance and be flexible with your travel dates. Search for your journey to Tongatapu Island, then check out prices for nearby days by clicking on the "flexible dates" link above.
How much is a flight to Tongatapu Island?
In the last seven days, return airfares to Tongatapu Island sold for as little as HK$25,397 and reached a maximum price of HK$26,807. For one-way fares departing from Singapore (SIN), the cheapest seat during this same period was only HK$16,799.
When is the cheapest time to fly to Tongatapu Island?
Jet off on a Tuesday to boost your odds of getting the cheapest fare to Tongatapu Island. Mondays are usually the second most affordable day to take off. Saturday is generally the most expensive day to fly anywhere.
How much is a plane ticket to Tongatapu Island?
In the last seven days, plane tickets to Tongatapu Island fluctuated between HK$25,397 and HK$26,807. Prices tend to go up over time, so snap up a bargain today.
What months are the cheapest to book a flight to Tongatapu Island?
February is the ideal month to snap up a terrific deal to Tongatapu Island. Be aware that the costliest time to book a seat in the U.S. Isn't during the height of summer, but the month of December.

Travel information

Destination airport
Fua'amotu Intl.
Destination airport IATA code
TBU
Destination city name
Nuku'alofa
Roundtrip price
HK$25,397

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