Cheap Flights to Tonga | Popular Routes to Tonga from HK$1,974

View HK$1,974 flight on Fri, 21 Aug 2026Opens in a new window

Popular airlines to Tonga

  • Fiji Airways

    Fiji Airways

  • Air New Zealand

    Air New Zealand

  • Qantas Airways

    Qantas Airways

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Cheap round-trip flights to Tonga

Prices were available within the past 7 days and start at HK$1,974 for one-way flights and HK$3,395 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$3,395 Return, found 1 day ago
HK$3,395
Return
found 1 day ago
Select Fiji Airways flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$3,395 found 1 day ago
Fiji Airways
Fri, 27 Mar - Mon, 30 Mar
NAN
Nadi
TBU
Tongatapu Island
HK$3,408 Return, found 6 days ago
HK$3,408
Return
found 6 days ago
Select Fiji Airways flight, departing Fri, 27 Mar from Nadi to Tongatapu Island, returning Mon, 30 Mar, priced at HK$3,408 found 6 days ago
Fiji Airways
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$4,742 Return, found 1 day ago
HK$4,742
Return
found 1 day ago
Select Fiji Airways flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$4,742 found 1 day ago
Fiji Airways
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$4,917 Return, found 1 day ago
HK$4,917
Return
found 1 day ago
Select Fiji Airways flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$4,917 found 1 day ago
Fiji Airways
Fri, 27 Mar - Mon, 30 Mar
NAN
Nadi
TBU
Tongatapu Island
HK$4,923 Return, found 6 days ago
HK$4,923
Return
found 6 days ago
Select Fiji Airways flight, departing Fri, 27 Mar from Nadi to Tongatapu Island, returning Mon, 30 Mar, priced at HK$4,923 found 6 days ago
Air New Zealand
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$5,072 Return, found 1 day ago
HK$5,072
Return
found 1 day ago
Select Air New Zealand flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$5,072 found 1 day ago
Air New Zealand
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$5,247 Return, found 1 day ago
HK$5,247
Return
found 1 day ago
Select Air New Zealand flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$5,247 found 1 day ago
Air New Zealand
Fri, 27 Mar - Mon, 30 Mar
NAN
Nadi
TBU
Tongatapu Island
HK$6,013 Return, found 6 days ago
HK$6,013
Return
found 6 days ago
Select Air New Zealand flight, departing Fri, 27 Mar from Nadi to Tongatapu Island, returning Mon, 30 Mar, priced at HK$6,013 found 6 days ago
Qantas Airways
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$6,166 Return, found 1 day ago
HK$6,166
Return
found 1 day ago
Select Qantas Airways flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$6,166 found 1 day ago
Jetstar
Fri, 21 Aug - Mon, 31 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$6,474 Return, found 1 day ago
HK$6,474
Return
found 1 day ago
Select Jetstar flight, departing Fri, 21 Aug from Nadi to Tongatapu Island, returning Mon, 31 Aug, priced at HK$6,474 found 1 day ago

About Tonga

Expedia offers flights to Tonga to meet every traveller's needs. Whatever your flight need - Expedia has the flight for you. So choose from flights to Tonga or destinations around the world and discover how easy it is to make your flight reservations on Expedia.

Frequently asked questions

How do I find cheap flights to Tonga that have flexible change policies?
We know that travel schedules can change in the blink of an eye, so locking in a flexible ticket with Expedia is a sensible idea. Just check the "No change fee" box below the "Flexible change policies" filter. Your well-priced and flexible flight to Tonga is just a few clicks away.
How can I find cheap tickets to Tonga?
One of the easiest ways to score cheap tickets to Tonga is to be flexible with your travel dates. Search for your flights, then click "flexible dates" at the top of your results. You'll see the cheapest prices for nearby days. The best price for a flight to Tonga in the last seven days was HK$3,395. Booking well ahead of time will usually help you get an even bigger bargain.
How much is a flight to Tonga?
The price of a round-trip airfare to Tonga in the last seven days varied between HK$3,395 and HK$9,286. If you were travelling one way from Nadi (NAN), you could have nabbed a deal from only HK$1,974.
When is the cheapest time to fly to Tonga?
Take off to Tonga earlier in the week and you'll usually be rewarded more economical fares. Tuesday is typically the cheapest day to fly out, with Monday a close second. If you'd like to avoid the most expensive flights, stay away from Saturdays.
How much is a plane ticket to Tonga?
Flights to Tonga varied from HK$3,395 to HK$9,286 in the last seven days. Usually, the earlier you book the better the deal.
What is the best time to go to Tonga?
Make your way to Tonga during August, September and October. People flock to main cities like Eua at this time of year. If you prefer hot weather, it's good to know that the summer season in Tonga begins December 1. Average temperatures range from 27ºC to 27ºC in Eua then.
What months are the cheapest to book a flight to Tonga?
An excellent month to purchase low-cost fares to Tonga is February. It's worth remembering that in the USA, an expensive time to reserve a ticket is the festive month of December.

Trending flights to Tonga

These prices were available within the past 7 days. Prices quoted are per person, return, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Fri, 17 Jul - Sat, 25 Jul
HKG
Hong Kong SAR
TBU
Tongatapu Island
HK$9,286 Return, found 6 days ago
HK$9,286
Return
found 6 days ago
Select Fiji Airways flight, departing Fri, 17 Jul from Hong Kong SAR to Tongatapu Island, returning Sat, 25 Jul, priced at HK$9,286 found 6 days ago
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