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$1,187+ Cheap flights from Washington 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TBU
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap flight deals from Washington to Tonga

Cheapest flights from Washington to Tonga
Explore the most affordable flight options available from Washington to Tonga. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 29, 2026.

This oojo deal was found by Cheapflights users on 1/27. 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.
vie. 2/209:14 pm
SEA
-
TBU
2 stops55h 36m
Multiple Airlines
mié. 3/185:40 am
TBU
-
SEA
2 stops33h 11m
Multiple Airlines
Deal found 1/27$1,187
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/92:54 pm
SEA
-
TBU
2 stops38h 51m
Fiji Airways
mié. 9/2311:20 am
TBU
-
SEA
2 stops30h 32m
Fiji Airways
Deal found 1/28$1,233
This oojo deal was found by Cheapflights users on 1/27. 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.
mar. 8/252:32 pm
SEA
-
TBU
2 stops39h 13m
Multiple Airlines
jue. 9/311:20 am
TBU
-
SEA
2 stops26h 37m
Multiple Airlines
Deal found 1/27$1,238
This oojo deal was found by Cheapflights users on 1/27. 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.
vie. 2/209:14 pm
SEA
-
TBU
2 stops55h 36m
Multiple Airlines
mar. 3/245:40 am
TBU
-
SEA
2 stops33h 11m
Multiple Airlines
Deal found 1/27$1,242
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/252:32 pm
SEA
-
TBU
2 stops39h 13m
Fiji Airways
mié. 9/211:20 am
TBU
-
SEA
2 stops27h 36m
Fiji Airways
Deal found 1/27$1,276
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/242:32 pm
SEA
-
TBU
2 stops24h 03m
Fiji Airways
mié. 9/211:20 am
TBU
-
SEA
2 stops27h 36m
Fiji Airways
Deal found 1/27$1,309
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/262:32 pm
SEA
-
TBU
2 stops39h 13m
Fiji Airways
mié. 9/25:00 am
TBU
-
SEA
2 stops36h 07m
Fiji Airways
Deal found 1/27$1,365
This oojo deal was found by Cheapflights users on 1/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/124:50 pm
SEA
-
TBU
2 stops25h 10m
Multiple Airlines
mar. 3/35:40 am
TBU
-
SEA
2 stops32h 20m
Multiple Airlines
Deal found 1/28$1,471
This Fiji Airways deal was found by Cheapflights users on 1/26. 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.
mar. 1/273:22 pm
PDX
-
TBU
2 stops26h 38m
Fiji Airways
sáb. 1/314:00 pm
TBU
-
PDX
2 stops22h 52m
Fiji Airways
Deal found 1/26$1,594

Find flight deals from Washington to Tonga

Keep the following information in mind while searching for Washington to Tonga flight deals. Data was last updated enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,187
(oojo)
Provider with most accurate pricing for Seattle/Tacoma Intl-Nuku‘alofa Fua'Amotu Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Nuku‘alofa Fua'Amotu Intl flights.
Search Deals
From Washington to Tonga
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 enero 29, 2026.
Use the filters below to find and compare flights from Washington to Tonga that are best for you.

Fly from

Washington

Fly to

Tonga

Route

Depart

Return

Price

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

vie. 2/20

9:14 pm-1:50 am

2 stops55h 36m

Nuku‘alofa Fua'Amotu Intl

mié. 3/18

5:40 am-6:51 pm

2 stops33h 11m

$1,187

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

vie. 2/20

9:14 pm-1:50 am

2 stops55h 36m

Nuku‘alofa Fua'Amotu Intl

mar. 3/24

5:40 am-6:51 pm

2 stops33h 11m

$1,242

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

jue. 2/12

4:50 pm-3:00 pm

2 stops25h 10m

Nuku‘alofa Fua'Amotu Intl

mar. 3/3

5:40 am-5:00 pm

2 stops32h 20m

$1,471

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

vie. 2/20

7:33 pm-8:20 pm

2 stops51h 47m

Nuku‘alofa Fua'Amotu Intl

mié. 3/18

1:10 pm-3:50 pm

3 stops46h 40m

$2,047

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

sáb. 4/4

7:22 pm-1:45 am

2 stops34h 23m

Nuku‘alofa Fua'Amotu Intl

mar. 4/7

5:40 am-10:49 pm

2 stops37h 09m

$2,181

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Best time to book a flight from Washington to Tonga

Have a flexible travel schedule? Discover the best time to fly to Tonga from Washington 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 Washington 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 Washington to Tonga. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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.

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