$627+ Cheap flights from Seattle (SEA) to Tonga
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TBU
apr 5 — apr 121
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 Seattle to Tonga
Keep the following information in mind while searching for Seattle to Tonga flight deals. Data was last updated mars 31, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,502 (Trip.com) |
One-way from | $627 (Jetabroad) |
Find flight deals from Seattle to Tonga
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 mars 31, 2025.
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 mars 31, 2025.
This Trip.com deal was found by Cheapflights users on 3/31. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
tors 5/152:30 pmSEA - TBU
2 stops29h 15mMultiple Airlines
tors 5/224:45 pmTBU - SEA
2 stops27h 14mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$1,502
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 mars 31, 2025.
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
tors 5/15
2:30 pm-3:45 pm
2 stops29h 15m
Nuku‘alofa Fua'Amotu Intl
tors 5/22
4:45 pm-11:59 pm
2 stops27h 14m
$1,502
SeattleNuku‘alofa
SEA - TBU
SEATBU
Seattle/Tacoma Intl
ons 8/20
6:59 pm-3:55 pm
2 stops24h 56m
$627
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
Rainfall in Tonga by month
Plan your trip to Tonga by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Tonga ranges from 3.7 - 8.3 inches per month. February is typically the wettest month, when rainfall can reach 8.3 in. June is typically the driest time to visit Tonga when rainfall is around 3.7 in.
Temperature in Tonga by month
Plan your trip to Tonga by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Tonga, use this chart to help with planning. For those seeking warmer temperatures, February is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 71.6 F).
Related info for your journey
Find useful and relevant information for your journey from Seattle to Tonga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Seattle to Tonga
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Seattle to Tonga
Discover the top airline that operate flights from Seattle to Tonga. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated mars 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,206 | Average$1,769 | FlexibilityNo cancel fee | On-time78% |