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Cheap flights from Washington to Tonga from $1,178

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 9/1. 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
9:35 pm - 1:45 am
PDX
-
TBU
56h 10m
2 stops
Multiple Airlines Logo
5:40 am - 8:36 pm
TBU
-
PDX
34h 56m
2 stops
$1,178Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Multiple Airlines Logo
5:35 pm - 10:35 am
PDX
-
TBU
21h 00m
2 stops
Multiple Airlines Logo
11:20 am - 8:50 pm
TBU
-
PDX
29h 30m
2 stops
$1,244Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
2:50 pm - 10:35 am
PDX
-
TBU
23h 45m
2 stops
Multiple Airlines Logo
11:20 am - 9:15 pm
TBU
-
PDX
29h 55m
2 stops
$1,275Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
10:30 am - 1:05 am
PDX
-
TBU
42h 35m
3 stops
Multiple Airlines Logo
5:00 am - 8:50 pm
TBU
-
PDX
35h 50m
2 stops
$1,394Multiple Airlines
Mon, Sep 21 - Wed, Sep 30
Multiple Airlines Logo
1:50 pm - 10:35 am
PDX
-
TBU
24h 45m
2 stops
Multiple Airlines Logo
5:40 am - 6:14 am
TBU
-
PDX
44h 34m
3 stops
$1,429Multiple Airlines
Tue, Sep 1 - Tue, Sep 15
Fiji Airways Logo
10:30 am - 1:05 am
PDX
-
TBU
42h 35m
3 stops
Fiji Airways Logo
5:00 am - 9:15 pm
TBU
-
PDX
36h 15m
2 stops
$1,453Fiji Airways
Mon, Sep 21 - Wed, Sep 30
Fiji Airways Logo
5:36 pm - 1:45 am
SEA
-
TBU
36h 09m
2 stops
Fiji Airways Logo
5:40 am - 9:45 pm
TBU
-
SEA
36h 05m
2 stops
$1,579Fiji Airways
Wed, Jul 1 - Sat, Jul 11
Multiple Airlines Logo
6:10 pm - 3:55 pm
SEA
-
TBU
25h 45m
2 stops
Multiple Airlines Logo
5:40 am - 8:01 pm
TBU
-
SEA
34h 21m
2 stops
$1,607Multiple Airlines
Thu, Jun 25 - Sat, Jul 11
Fiji Airways Logo
4:15 pm - 1:05 am
SEA
-
TBU
36h 50m
3 stops
Fiji Airways Logo
5:40 am - 5:59 pm
TBU
-
SEA
32h 19m
2 stops
$1,694Fiji Airways
Mon, Aug 24 - Fri, Aug 28
Fiji Airways Logo
5:02 pm - 1:05 am
SEA
-
TBU
36h 03m
2 stops
Fiji Airways Logo
5:40 am - 11:21 pm
TBU
-
SEA
37h 41m
2 stops
$1,725Fiji Airways
Mon, Aug 24 - Fri, Aug 28

Fiji Airways flights from State of Washington to Tonga

Our best Fiji Airways deals on State of Washington to Tonga flight tickets
Fiji Airways
Sep 21
PDX10:30 amPortland
42h 35m
3 stops
TBU1:05 amNuku‘alofa Fua'Amotu Intl
Sep 30
TBU5:00 amNuku‘alofa Fua'Amotu Intl
36h 15m
2 stops
PDX9:15 pmPortland
$1,453
Fiji Airways
Jul 1
SEA5:36 pmSeattle/Tacoma Intl
36h 09m
2 stops
TBU1:45 amNuku‘alofa Fua'Amotu Intl
Jul 11
TBU5:40 amNuku‘alofa Fua'Amotu Intl
36h 05m
2 stops
SEA9:45 pmSeattle/Tacoma Intl
$1,579
Fiji Airways
Aug 24
SEA4:15 pmSeattle/Tacoma Intl
36h 50m
3 stops
TBU1:05 amNuku‘alofa Fua'Amotu Intl
Aug 28
TBU5:40 amNuku‘alofa Fua'Amotu Intl
32h 19m
2 stops
SEA5:59 pmSeattle/Tacoma Intl
$1,694

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 May 8, 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

Cheapest round-trip

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 9/1

9:35 pm-1:45 am

2 stops56h 10m

Nuku‘alofa Fua'Amotu Intl

Tue 9/15

5:40 am-8:36 pm

2 stops34h 56m

$1,178
Quickest round-trip

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

5:35 pm-10:35 am

2 stops21h 00m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

11:20 am-8:50 pm

2 stops29h 30m

$1,244

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

2:50 pm-10:35 am

2 stops23h 45m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

11:20 am-9:15 pm

2 stops29h 55m

$1,275

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

10:30 am-1:05 am

3 stops42h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

5:00 am-8:50 pm

2 stops35h 50m

$1,394

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Tue 9/1

1:50 pm-10:35 am

2 stops24h 45m

Nuku‘alofa Fua'Amotu Intl

Tue 9/15

5:40 am-6:14 am

3 stops44h 34m

$1,429

PortlandNuku‘alofa

PDX - TBU

PDXTBU

Portland

Mon 9/21

10:30 am-1:05 am

3 stops42h 35m

Nuku‘alofa Fua'Amotu Intl

Wed 9/30

5:00 am-9:15 pm

2 stops36h 15m

$1,453

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Wed 7/1

5:36 pm-1:45 am

2 stops36h 09m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-9:45 pm

2 stops36h 05m

$1,579

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Thu 6/25

6:10 pm-3:55 pm

2 stops25h 45m

Nuku‘alofa Fua'Amotu Intl

Sat 7/11

5:40 am-8:01 pm

2 stops34h 21m

$1,607

SeattleNuku‘alofa

SEA - TBU

SEATBU

Seattle/Tacoma Intl

Mon 8/24

4:15 pm-1:05 am

3 stops36h 50m

Nuku‘alofa Fua'Amotu Intl

Fri 8/28

5:40 am-5:59 pm

2 stops32h 19m

$1,694

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-11:21 pm

2 stops37h 41m

$1,725

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

23h 45m

Direct flights

None
The fastest flight from State of Washington to Tonga takes 23h 45m
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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Frequently asked questions about flying from Washington to Tonga

  • 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.

Frequently asked questions about flying from Washington to Tonga

  • 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 $971