Cheap Flights to Tonga | Popular Routes to Tonga from HK$2,078

View HK$2,078 flight on Tue, 21 Jul 2026Opens in a new window

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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$2,078 for one-way flights and HK$3,571 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fiji Airways
Thu, 30 Apr - Tue, 12 May
NAN
Nadi
TBU
Tongatapu Island
HK$3,571 Return, found 16 hours ago
HK$3,571
Return
found 16 hours ago
Select Fiji Airways flight, departing Thu, 30 Apr from Nadi to Tongatapu Island, returning Tue, 12 May, priced at HK$3,571 found 16 hours ago
Fiji Airways
Thu, 30 Jul - Thu, 6 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$3,597 Return, found 2 days ago
HK$3,597
Return
found 2 days ago
Select Fiji Airways flight, departing Thu, 30 Jul from Nadi to Tongatapu Island, returning Thu, 6 Aug, priced at HK$3,597 found 2 days ago
Fiji Airways
Thu, 30 Apr - Sat, 9 May
NAN
Nadi
TBU
Tongatapu Island
HK$3,671 Return, found 16 hours ago
HK$3,671
Return
found 16 hours ago
Select Fiji Airways flight, departing Thu, 30 Apr from Nadi to Tongatapu Island, returning Sat, 9 May, priced at HK$3,671 found 16 hours ago
Fiji Airways
Thu, 30 Jul - Thu, 6 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$3,707 Return, found 2 days ago
HK$3,707
Return
found 2 days ago
Select Fiji Airways flight, departing Thu, 30 Jul from Nadi to Tongatapu Island, returning Thu, 6 Aug, priced at HK$3,707 found 2 days ago
Fiji Airways
Sat, 2 May - Sat, 9 May
NAN
Nadi
TBU
Tongatapu Island
HK$3,781 Return, found 16 hours ago
HK$3,781
Return
found 16 hours ago
Select Fiji Airways flight, departing Sat, 2 May from Nadi to Tongatapu Island, returning Sat, 9 May, priced at HK$3,781 found 16 hours ago
Fiji Airways
Tue, 5 May - Sat, 9 May
NAN
Nadi
TBU
Tongatapu Island
HK$3,881 Return, found 16 hours ago
HK$3,881
Return
found 16 hours ago
Select Fiji Airways flight, departing Tue, 5 May from Nadi to Tongatapu Island, returning Sat, 9 May, priced at HK$3,881 found 16 hours ago
Fiji Airways
Wed, 6 May - Fri, 15 May
NAN
Nadi
TBU
Tongatapu Island
HK$3,931 Return, found 16 hours ago
HK$3,931
Return
found 16 hours ago
Select Fiji Airways flight, departing Wed, 6 May from Nadi to Tongatapu Island, returning Fri, 15 May, priced at HK$3,931 found 16 hours ago
Fiji Airways
Sat, 25 Jul - Fri, 31 Jul
NAN
Nadi
TBU
Tongatapu Island
HK$3,957 Return, found 2 days ago
HK$3,957
Return
found 2 days ago
Select Fiji Airways flight, departing Sat, 25 Jul from Nadi to Tongatapu Island, returning Fri, 31 Jul, priced at HK$3,957 found 2 days ago
Fiji Airways
Tue, 5 May - Mon, 11 May
NAN
Nadi
TBU
Tongatapu Island
HK$3,981 Return, found 16 hours ago
HK$3,981
Return
found 16 hours ago
Select Fiji Airways flight, departing Tue, 5 May from Nadi to Tongatapu Island, returning Mon, 11 May, priced at HK$3,981 found 16 hours ago
Air New Zealand
Sun, 26 Jul - Sat, 1 Aug
NAN
Nadi
TBU
Tongatapu Island
HK$7,681 Return, found 2 days ago
HK$7,681
Return
found 2 days ago
Select Air New Zealand flight, departing Sun, 26 Jul from Nadi to Tongatapu Island, returning Sat, 1 Aug, priced at HK$7,681 found 2 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$3,571. 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$3,571 and HK$7,681. If you were travelling one way from Nadi (NAN), you could have nabbed a deal from only HK$2,078.
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$3,571 to HK$7,681 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.

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