Cheap Flights to Tonga | Popular Routes to Tonga from HK$1,968

View HK$1,968 flight on Tue, 21 Jul 2026Opens in a new window

Popular airlines to Tonga

  • Fiji Airways

  • Air New Zealand

  • Qantas Airways

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Cheap round-trip flights to Tonga

Prices were available within the past 7 days and start at HK$1,968 for one-way flights and HK$4,465 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Sat, 8 Aug - Tue, 11 Aug
SYD
Sydney
TBU
Tongatapu Island
HK$4,465 Return, found 1 day ago
HK$4,465
Return
found 1 day ago
Select Qantas Airways flight, departing Sat, 8 Aug from Sydney to Tongatapu Island, returning Tue, 11 Aug, priced at HK$4,465 found 1 day ago
Fiji Airways
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$4,645 Return, found 1 day ago
HK$4,645
Return
found 1 day ago
Select Fiji Airways flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$4,645 found 1 day ago
Qantas Airways
Sat, 8 Aug - Tue, 11 Aug
SYD
Sydney
TBU
Tongatapu Island
HK$4,848 Return, found 1 day ago
HK$4,848
Return
found 1 day ago
Select Qantas Airways flight, departing Sat, 8 Aug from Sydney to Tongatapu Island, returning Tue, 11 Aug, priced at HK$4,848 found 1 day ago
Fiji Airways
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$4,975 Return, found 1 day ago
HK$4,975
Return
found 1 day ago
Select Fiji Airways flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$4,975 found 1 day ago
Fiji Airways
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$5,125 Return, found 1 day ago
HK$5,125
Return
found 1 day ago
Select Fiji Airways flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$5,125 found 1 day ago
Fiji Airways
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$5,151 Return, found 1 day ago
HK$5,151
Return
found 1 day ago
Select Fiji Airways flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$5,151 found 1 day ago
Qantas Airways
Sat, 8 Aug - Tue, 11 Aug
SYD
Sydney
TBU
Tongatapu Island
HK$5,355 Return, found 1 day ago
HK$5,355
Return
found 1 day ago
Select Qantas Airways flight, departing Sat, 8 Aug from Sydney to Tongatapu Island, returning Tue, 11 Aug, priced at HK$5,355 found 1 day ago
Qantas Airways
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$5,458 Return, found 1 day ago
HK$5,458
Return
found 1 day ago
Select Qantas Airways flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$5,458 found 1 day ago
Fiji Airways
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$5,480 Return, found 1 day ago
HK$5,480
Return
found 1 day ago
Select Fiji Airways flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$5,480 found 1 day ago
Air New Zealand
Tue, 21 Jul - Sat, 25 Jul
SYD
Sydney
TBU
Tongatapu Island
HK$5,898 Return, found 1 day ago
HK$5,898
Return
found 1 day ago
Select Air New Zealand flight, departing Tue, 21 Jul from Sydney to Tongatapu Island, returning Sat, 25 Jul, priced at HK$5,898 found 1 day ago
Book with confidence

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.

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
Tue, 23 Jun - Sat, 27 Jun
HKG
Hong Kong SAR
TBU
Tongatapu Island
HK$9,694 Return, found 3 days ago
HK$9,694
Return
found 3 days ago
Select Fiji Airways flight, departing Tue, 23 Jun from Hong Kong SAR to Tongatapu Island, returning Sat, 27 Jun, priced at HK$9,694 found 3 days ago

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$4,465. 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$4,465 and HK$9,694. If you were travelling one way from Sydney (SYD), you could have nabbed a deal from only HK$1,968.
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$4,465 to HK$9,694 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.

Book with confidence

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.
About Tonga

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