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Cheap flights from Washington to Tonga from $1,147

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 8/13. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Washington to Tonga

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:34 pm - 3:55 pm
PDX
-
TBU
26h 21m
2 stops
Multiple Airlines Logo
11:20 am - 8:31 pm
TBU
-
PDX
29h 11m
2 stops
$1,147Multiple Airlines
Thu, Aug 13 - Wed, Aug 26
Air New Zealand Logo
5:00 am - 10:45 am
SEA
-
TBU
33h 45m
2 stops
Air New Zealand Logo
11:55 am - 6:32 pm
TBU
-
SEA
26h 37m
2 stops
$1,352Air New Zealand
Sun, Jul 12 - Mon, Jul 20
Air New Zealand Logo
3:33 pm - 9:40 pm
SEA
-
TBU
34h 07m
2 stops
Air New Zealand Logo
11:55 am - 6:32 pm
TBU
-
SEA
26h 37m
2 stops
$1,354Air New Zealand
Wed, Jul 8 - Sat, Jul 18
Air New Zealand Logo
10:29 am - 9:40 pm
SEA
-
TBU
39h 11m
2 stops
Air New Zealand Logo
3:50 pm - 10:22 pm
TBU
-
SEA
26h 32m
2 stops
$1,365Air New Zealand
Wed, Jul 8 - Wed, Jul 15
Multiple Airlines Logo
5:32 pm - 3:55 pm
PDX
-
TBU
26h 23m
3 stops
Multiple Airlines Logo
11:20 am - 8:31 pm
TBU
-
PDX
29h 11m
2 stops
$1,382Multiple Airlines
Thu, Aug 13 - Wed, Aug 26
Air New Zealand Logo
8:45 am - 9:40 pm
SEA
-
TBU
40h 55m
2 stops
Air New Zealand Logo
8:55 pm - 10:22 pm
TBU
-
SEA
45h 27m
2 stops
$1,385Air New Zealand
Wed, Jul 8 - Tue, Jul 14
Air New Zealand Logo
10:29 am - 10:45 am
SEA
-
TBU
52h 16m
2 stops
Air New Zealand Logo
11:55 am - 10:22 pm
TBU
-
SEA
30h 27m
2 stops
$1,409Air New Zealand
Sat, Jul 11 - Mon, Jul 20
Fiji Airways Logo
5:38 pm - 1:45 am
PDX
-
TBU
36h 07m
2 stops
Fiji Airways Logo
5:40 am - 9:35 pm
TBU
-
PDX
35h 55m
2 stops
$1,612Fiji Airways
Sat, Apr 4 - Tue, Apr 7
Fiji Airways Logo
5:38 pm - 1:45 am
PDX
-
TBU
36h 07m
2 stops
Fiji Airways Logo
5:40 am - 5:28 am
TBU
-
PDX
43h 48m
3 stops
$1,793Fiji Airways
Sat, Apr 4 - Tue, Apr 7
Fiji Airways Logo
5:35 pm - 1:05 am
PDX
-
TBU
35h 30m
2 stops
Fiji Airways Logo
5:40 am - 4:17 pm
TBU
-
PDX
30h 37m
3 stops
$1,958Fiji Airways
Wed, Jun 17 - Fri, Jul 24

Air New Zealand flights from State of Washington to Tonga

Our best Air New Zealand deals on State of Washington to Tonga flight tickets
Air New Zealand
Jul 12
SEA5:00 amSeattle/Tacoma Intl
33h 45m
2 stops
TBU10:45 amNuku‘alofa Fua'Amotu Intl
Jul 20
TBU11:55 amNuku‘alofa Fua'Amotu Intl
26h 37m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,352
Air New Zealand
Jul 8
SEA3:33 pmSeattle/Tacoma Intl
34h 07m
2 stops
TBU9:40 pmNuku‘alofa Fua'Amotu Intl
Jul 18
TBU11:55 amNuku‘alofa Fua'Amotu Intl
26h 37m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,354
Air New Zealand
Jul 8
SEA8:45 amSeattle/Tacoma Intl
40h 55m
2 stops
TBU9:40 pmNuku‘alofa Fua'Amotu Intl
Jul 20
TBU11:55 amNuku‘alofa Fua'Amotu Intl
26h 37m
2 stops
SEA6:32 pmSeattle/Tacoma Intl
$1,365

Fiji Airways flights from State of Washington to Tonga

Our best Fiji Airways deals on State of Washington to Tonga flight tickets
Fiji Airways
Jul 9
SEA2:32 pmSeattle/Tacoma Intl
29h 23m
2 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 17
TBU11:20 amNuku‘alofa Fua'Amotu Intl
26h 43m
2 stops
SEA6:03 pmSeattle/Tacoma Intl
$1,505
Fiji Airways
Jul 9
SEA2:32 pmSeattle/Tacoma Intl
29h 23m
2 stops
TBU3:55 pmNuku‘alofa Fua'Amotu Intl
Jul 14
TBU5:40 amNuku‘alofa Fua'Amotu Intl
37h 15m
2 stops
SEA10:55 pmSeattle/Tacoma Intl
$1,533
Fiji Airways
Jul 11
SEA6:37 pmSeattle/Tacoma Intl
35h 08m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 15
TBU5:40 amNuku‘alofa Fua'Amotu Intl
34h 10m
2 stops
SEA7:50 pmSeattle/Tacoma Intl
$1,583

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 March 3, 2026.
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

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Thu 8/13

5:34 pm-3:55 pm

2 stops26h 21m

Nuku‘alofa Fua'Amotu Intl

Wed 8/26

11:20 am-8:31 pm

2 stops29h 11m

$1,147

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sun 7/12

5:00 am-10:45 am

2 stops33h 45m

Nuku‘alofa Fua'Amotu Intl

Mon 7/20

11:55 am-6:32 pm

2 stops26h 37m

$1,352

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/8

3:33 pm-9:40 pm

2 stops34h 07m

Nuku‘alofa Fua'Amotu Intl

Sat 7/18

11:55 am-6:32 pm

2 stops26h 37m

$1,354

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/8

10:29 am-9:40 pm

2 stops39h 11m

Nuku‘alofa Fua'Amotu Intl

Wed 7/15

3:50 pm-10:22 pm

2 stops26h 32m

$1,365

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Thu 8/13

5:32 pm-3:55 pm

3 stops26h 23m

Nuku‘alofa Fua'Amotu Intl

Wed 8/26

11:20 am-8:31 pm

2 stops29h 11m

$1,382

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/8

8:45 am-9:40 pm

2 stops40h 55m

Nuku‘alofa Fua'Amotu Intl

Tue 7/14

8:55 pm-10:22 pm

2 stops45h 27m

$1,385

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Sat 7/11

10:29 am-10:45 am

2 stops52h 16m

Nuku‘alofa Fua'Amotu Intl

Mon 7/20

11:55 am-10:22 pm

2 stops30h 27m

$1,409

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Sat 4/4

5:38 pm-1:45 am

2 stops36h 07m

Nuku‘alofa Fua'Amotu Intl

Tue 4/7

5:40 am-9:35 pm

2 stops35h 55m

$1,612

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Sat 4/4

5:38 pm-1:45 am

2 stops36h 07m

Nuku‘alofa Fua'Amotu Intl

Tue 4/7

5:40 am-5:28 am

3 stops43h 48m

$1,793

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Wed 6/17

5:35 pm-1:05 am

2 stops35h 30m

Nuku‘alofa Fua'Amotu Intl

Fri 7/24

5:40 am-4:17 pm

3 stops30h 37m

$1,958

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

Fastest flight time

29h 23m

Direct flights

None
The fastest flight from State of Washington to Tonga takes 29h 23m
There are no direct flights from State of Washington to Tonga. There are no popular flight routes from State of Washington to Tonga.
Search flight deals

  • 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 cities in Tonga

Popular flights according to clicks in the last 7 days on momondo
Flights to Nuku‘alofafrom $872