$1,464+ Cheap flights from Oregon to Tonga
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — TBU
Dec 3 — Dec 101
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Oregon to Tonga
Keep the following information in mind while searching for Oregon to Tonga flight deals. Data was last updated November 3, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Find flight deals from Oregon to Tonga
Cheapest flights from Oregon to TongaExplore the most affordable flight options available from Oregon to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.
Explore the most affordable flight options available from Oregon to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 3, 2025.
This Expedia deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:42 pmPDX - TBU
2 stops19h 23mMultiple Airlines
Mon 11/1711:20 amTBU - PDX
2 stops30h 30mMultiple Airlines
Deal found 11/1![Multiple Airlines logo]()
$1,464
Best time to book a flight from Oregon to Tonga
Have a flexible travel schedule? Discover the best time to fly to Tonga from Oregon with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Oregon to Tonga
What is the cheapest time of day to fly from OR to TO?
Find hourly flight availability from Oregon to Tonga. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 3, 2025.
It’s optimal to fly from Oregon to Tonga in the evening. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the afternoon.