$1,266+ Cheap flights from Seattle (SEA) 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 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TBU
Feb 20 — Feb 271
1 adult, Economy
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Cheapest flights from Seattle to TongaExplore the most affordable flight options available from Seattle to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
Explore the most affordable flight options available from Seattle to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:32 pm
SEA
- TBU
2 stops24h 03m
Fiji Airways
Thu 8/2711:20 am
TBU
- SEA
2 stops30h 12m
Fiji Airways
Deal found 1/20![Fiji Airways logo]()
$1,266
This Fiji Airways deal was found by Cheapflights users on 1/20. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/47:22 pm
SEA
- TBU
2 stops34h 23m
Fiji Airways
Tue 4/75:40 am
TBU
- SEA
2 stops37h 09m
Fiji Airways
Deal found 1/20![Fiji Airways logo]()
$1,930
Find flight deals from Seattle to Tonga
Keep the following information in mind while searching for Seattle to Tonga flight deals. Data was last updated January 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | Expedia 3 stars |
Round-trip from | $1,930 (Fiji Airways) |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Tonga that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 21, 2026.
Use the filters below to find and compare flights from Seattle to Tonga that are best for you.
Fly from
Seattle
Fly to
Tonga
Route
Depart
Return
Price
SeattleNuku‘alofa
SEA - TBU
SEATBU
Seattle/Tacoma Intl
Sat 4/4
7:22 pm-1:45 am
2 stops34h 23m
Nuku‘alofa Fua'Amotu Intl
Tue 4/7
5:40 am-10:49 pm
2 stops37h 09m
$1,930
Best time to book a flight from Seattle to Tonga
Have a flexible travel schedule? Discover the best time to fly to Tonga from Seattle 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 Seattle to Tonga
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