*Fares displayed are all inclusive round trip fares including all taxes, fees and other mandatory charges. For flights to or from Sydney, prices may be based on travel to or from SYD or WSI airports.
Portland (PDX) to Tonga flights from $1,906* with Air New Zealand
Search and book flights between Portland and Tonga by comparing our fares shown on this page. Plan your adventure today!
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1 Passenger, Economy - lowest
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Explore Air NZ flights from Portland (PDX) to Tonga departing in the next 90 days
Fares shown in this carousel are for return flights scheduled to depart in the next 3 months. Use the filters to narrow down your search for Portland to Tonga flights.
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Portland (PDX)to
Nukuʻalofa (TBU)Aug 25, 2026 - Sep 02, 2026From$2,176Refreshed: 11 hrs agoPer person, returnEconomy
*Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.
Compare & book Air NZ flights from Portland (PDX) to Tonga departing in the next 11 months
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Portland (PDX)to
Nukuʻalofa (TBU)
Dec 17, 2026 - Jan 13, 2027
Per person, return
Economy
From
$1,906
Refreshed: 21 hrs ago
*Fares displayed have been available for flights searched within the last 24 hours and may not currently be available at time of booking. Flights may not be available at peak times or on all flights. Additional fees, including service/card payment fees may apply. Other terms and conditions may also apply.