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$1,429+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TBU
Jun 1 — Jun 81
Mon 6/1
Mon 6/8
1 adult, Economy
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Cheap flight deals from Seattle to Tonga

Cheapest flights from Seattle to Tonga
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 May 2, 2026.

This Fiji Airways deal was found by Cheapflights users on 4/28. 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 10/315:05 pm
SEA
-
TBU
2 stops36h 45m
Fiji Airways
Wed 11/411:20 am
TBU
-
SEA
2 stops28h 36m
Fiji Airways
Deal found 4/28$1,429
This oojo deal was found by Cheapflights users on 4/27. 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.
Sun 10/185:59 pm
SEA
-
TBU
2 stops20h 36m
Multiple Airlines
Sat 10/245:40 am
TBU
-
SEA
2 stops35h 46m
Multiple Airlines
Deal found 4/27$1,449
This Fiji Airways deal was found by Cheapflights users on 5/1. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:02 pm
SEA
-
TBU
2 stops36h 03m
Fiji Airways
Fri 8/285:40 am
TBU
-
SEA
2 stops34h 52m
Fiji Airways
Deal found 5/1$1,650
This Booking.com deal was found by Cheapflights users on 4/27. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:30 am
SEA
-
TBU
2 stops27h 15m
Air New Zealand
Sat 10/247:55 pm
TBU
-
SEA
3 stops38h 23m
Air New Zealand
Deal found 4/27$2,188

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 May 2, 2026.

Round-trip from

$1,449
(oojo)
From Seattle/Tacoma Intl to Tonga
Search Deals

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 May 2, 2026.
Use the filters below to find and compare flights from Seattle to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 10/18

5:59 pm-10:35 am

2 stops20h 36m

Nuku‘alofa Fua'Amotu Intl

Sat 10/24

5:40 am-9:26 pm

2 stops35h 46m

$1,449

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Mon 8/24

5:02 pm-1:05 am

2 stops36h 03m

Nuku‘alofa Fua'Amotu Intl

Fri 8/28

5:40 am-8:32 pm

2 stops34h 52m

$1,650

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 10/18

10:30 am-9:45 am

2 stops27h 15m

Nuku‘alofa Fua'Amotu Intl

Sat 10/24

7:55 pm-2:18 pm

3 stops38h 23m

$2,188

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Sorted by cheapest first

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
No data available for this route at this time. Please check back soon.

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.

  • What airport do you fly from for flights from Seattle to Tonga?

    If you book a flight to Tonga from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Tonga?

    Departing from Seattle to Tonga will take you 27h 15m. Airlines will cover a distance of 5763 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Seattle to Tonga that include hotel bookings?

    Yes. In addition to deals on Seattle to Tonga flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Tonga?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Tonga.

  • Can I find deals for business class flights from Seattle to Tonga?

    Yes. Cheapflights offers flight deals from Seattle to Tonga by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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