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Cheap flights from Washington to Tonga from $1,921

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Tonga departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Fiji Airways Logo
6:35 pm - 10:35 amSEA-TBU
20h 00m2 stops
Fiji Airways Logo
5:00 am - 6:38 pmTBU-SEA
33h 38m2 stops
$1,921Fiji Airways
Find Deal
Sat, May 2 - Tue, May 5
Fiji Airways Logo
5:59 pm - 10:35 amPDX-TBU
19h 36m2 stops
Fiji Airways Logo
11:20 am - 5:11 pmTBU-PDX
26h 51m2 stops
$2,060Fiji Airways
Find Deal
Sun, Dec 14 - Mon, Dec 22
Fiji Airways Logo
9:50 am - 1:05 amSEA-TBU
43h 15m2 stops
Fiji Airways Logo
11:20 am - 6:35 amTBU-SEA
39h 15m3 stops
$2,093Fiji Airways
Find Deal
Sat, May 2 - Tue, May 5

Fiji Airways flights from State of Washington to Tonga

Our best Fiji Airways deals on State of Washington to Tonga flight tickets
Fiji Airways
May 2
SEA6:35 pmSeattle/Tacoma Intl
20h 00m
2 stops
TBU10:35 amNuku‘alofa Fua'Amotu Intl
May 5
TBU5:00 amNuku‘alofa Fua'Amotu Intl
33h 38m
2 stops
SEA6:38 pmSeattle/Tacoma Intl
$1,921
Find similar
Fiji Airways
Dec 14
PDX5:59 pmPortland
19h 36m
2 stops
TBU10:35 amNuku‘alofa Fua'Amotu Intl
Dec 22
TBU11:20 amNuku‘alofa Fua'Amotu Intl
26h 51m
2 stops
PDX5:11 pmPortland
$2,060
Find similar
Fiji Airways
May 2
SEA9:50 amSeattle/Tacoma Intl
43h 15m
2 stops
TBU1:05 amNuku‘alofa Fua'Amotu Intl
May 5
TBU11:20 amNuku‘alofa Fua'Amotu Intl
39h 15m
3 stops
SEA6:35 amSeattle/Tacoma Intl
$2,093
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of 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, momondo users made 832,500 searches. Data last updated November 17, 2025.
Use the filters below to find and compare flights from Washington to Tonga that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sat 5/2

6:35 pm-10:35 am

2 stops20h 00m

Nuku‘alofa Fua'Amotu Intl

Tue 5/5

5:00 am-6:38 pm

2 stops33h 38m

$1,921

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Sun 12/14

5:59 pm-10:35 am

2 stops19h 36m

Nuku‘alofa Fua'Amotu Intl

Mon 12/22

11:20 am-5:11 pm

2 stops26h 51m

$2,060

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sat 5/2

9:50 am-1:05 am

2 stops43h 15m

Nuku‘alofa Fua'Amotu Intl

Tue 5/5

11:20 am-6:35 am

3 stops39h 15m

$2,093

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap State of Washington to Tonga flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Tonga

Direct flights

None
There are no direct flights from State of Washington to Tonga. There are no popular flight routes from State of Washington to Tonga.
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  • When did momondo last update prices for flights from Washington to Tonga?

    Prices for flights from Washington to Tonga are updated daily.

  • How old do you have to be to fly from Washington to Tonga?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Tonga.

  • What documentation or ID do you need to fly to Tonga?

    The required travel and health documents for your Tonga trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tonga. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from State of Washington to Tonga?

    Price Alerts will notify you by email when the price for flights to Tonga from State of Washington decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from State of Washington to Tonga with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Tonga?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to Tonga for you.

Can I find flights from Washington to Tonga with flexible booking policies on momondo?

Yes. All flights to Tonga from Washington on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Washington to Tonga?

momondo provides multiple filters to help you find the best flight to Tonga from Washington. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington to Tonga right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington to Tonga flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $1,041