Cheap Flights to Tongatapu Island from HK$1,511

View HK$1,511 flight on Wed, 2 Sept 2026Opens in a new window

Popular airlines

  • Fiji Airways

    Fiji Airways

  • Air New Zealand

    Air New Zealand

  • Qantas Airways

    Qantas Airways

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap round-trip flights to Tongatapu Island

Prices were available within the past 7 days and start at HK$1,511 for one-way flights and HK$3,321 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air New Zealand
Fri, 3 Apr - Mon, 6 Apr
AKL
Auckland
TBU
Tongatapu Island
HK$3,321 Return, found 10 hours ago
HK$3,321
Return
found 10 hours ago
Select Air New Zealand flight, departing Fri, 3 Apr from Auckland to Tongatapu Island, returning Mon, 6 Apr, priced at HK$3,321 found 10 hours ago
Air New Zealand
Fri, 3 Apr - Mon, 6 Apr
AKL
Auckland
TBU
Tongatapu Island
HK$3,926 Return, found 10 hours ago
HK$3,926
Return
found 10 hours ago
Select Air New Zealand flight, departing Fri, 3 Apr from Auckland to Tongatapu Island, returning Mon, 6 Apr, priced at HK$3,926 found 10 hours ago
Fiji Airways
Fri, 3 Apr - Mon, 6 Apr
AKL
Auckland
TBU
Tongatapu Island
HK$5,141 Return, found 10 hours ago
HK$5,141
Return
found 10 hours ago
Select Fiji Airways flight, departing Fri, 3 Apr from Auckland to Tongatapu Island, returning Mon, 6 Apr, priced at HK$5,141 found 10 hours ago
Qantas Airways
Fri, 3 Apr - Mon, 6 Apr
AKL
Auckland
TBU
Tongatapu Island
HK$6,925 Return, found 10 hours ago
HK$6,925
Return
found 10 hours ago
Select Qantas Airways flight, departing Fri, 3 Apr from Auckland to Tongatapu Island, returning Mon, 6 Apr, priced at HK$6,925 found 10 hours ago
Jetstar
Fri, 3 Apr - Mon, 6 Apr
AKL
Auckland
TBU
Tongatapu Island
HK$7,907 Return, found 10 hours ago
HK$7,907
Return
found 10 hours ago
Select Jetstar flight, departing Fri, 3 Apr from Auckland to Tongatapu Island, returning Mon, 6 Apr, priced at HK$7,907 found 10 hours ago

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$3,321 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$3,321 and reached a maximum price of HK$7,907. For one-way fares departing from Auckland (AKL), the cheapest seat during this same period was only HK$1,511.
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$3,321 and HK$7,907. 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.
Flights to Tongatapu Island information
Destination airport
Fua'amotu Intl.
Destination airport IATA code
TBU
Destination city name
Nuku'alofa
Return price
HK$3,321
*Available to Expedia members.