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South Pacific

$414+ Cheap flights from Washington to South Pacific

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Washington to South Pacific

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

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:32 pm
SEA
-
PPT
1 stop17h 48m
Multiple Airlines
Tue 3/107:15 am
PPT
-
SEA
1 stop22h 32m
Multiple Airlines
Deal found 1/28$670
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:41 pm
SEA
-
PPT
1 stop34h 39m
Multiple Airlines
Fri 3/67:15 am
PPT
-
SEA
1 stop23h 32m
Multiple Airlines
Deal found 1/28$679
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:58 pm
SEA
-
PPT
1 stop13h 42m
Multiple Airlines
Mon 5/47:00 am
PPT
-
SEA
1 stop12h 18m
Multiple Airlines
Deal found 1/28$697
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:31 pm
SEA
-
PPT
1 stop34h 19m
Multiple Airlines
Mon 4/67:00 am
PPT
-
SEA
1 stop13h 16m
Multiple Airlines
Deal found 1/27$700
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/187:45 am
SEA
-
PPT
2 stops23h 35m
Multiple Airlines
Tue 2/247:15 am
PPT
-
SEA
1 stop23h 32m
Multiple Airlines
Deal found 1/28$707
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/18:15 am
SEA
-
PPT
1 stop23h 05m
Multiple Airlines
Fri 3/67:15 am
PPT
-
SEA
1 stop23h 32m
Multiple Airlines
Deal found 1/28$713
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/229:50 am
PDX
-
AKL
1 stop28h 10m
Air Canada
Sun 3/81:00 pm
AKL
-
PDX
1 stop21h 40m
Air Canada
Deal found 1/28$717
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/213:15 pm
PDX
-
AKL
2 stops30h 40m
Air Canada
Tue 4/286:10 am
AKL
-
PDX
2 stops27h 30m
Air Canada
Deal found 1/26$727
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.
Mon 2/239:50 am
PDX
-
AKL
2 stops34h 30m
Air Canada
Mon 3/91:00 pm
AKL
-
PDX
1 stop16h 15m
Air Canada
Deal found 1/27$733
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/297:03 am
SEA
-
PPT
1 stop24h 47m
Multiple Airlines
Mon 4/67:00 am
PPT
-
SEA
1 stop13h 16m
Multiple Airlines
Deal found 1/27$734
This Gurufare 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/223:15 pm
PDX
-
AKL
1 stop22h 45m
Air New Zealand
Sun 3/81:00 pm
AKL
-
PDX
1 stop16h 15m
Air New Zealand
Deal found 1/27$746
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/289:31 pm
SEA
-
PPT
1 stop34h 19m
Multiple Airlines
Sat 4/47:00 am
PPT
-
SEA
1 stop22h 38m
Multiple Airlines
Deal found 1/27$756

Find flight deals from Washington to South Pacific

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$670
(Kiwi.com)

One-way from

$414
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,290

Good round-trip deal

$760 or less

Good one-way deal

$578 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sydney Kingsford Smith flights.
Search Deals
From Washington to South Pacific
Search Deals
One-way flight from Washington to South Pacific
Search Deals
Highest demand for flights based on searches. 16% potential increase in price ($200 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Washington to South Pacific.
Search Deals
Price to beat on a one-way flight from Washington to South Pacific.
Search Deals

Cheapflights Fare Finder

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

Fly from

Washington

Fly to

South Pacific

Route

Depart

Return

Price

SeattleChristchurch

SEA - CHC

SEACHC

Seattle/Tacoma Intl

Sun 5/3

3:00 pm-2:20 pm

2 stops28h 20m

Christchurch

Wed 5/20

6:00 am-9:15 am

2 stops22h 15m

$783

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Tue 3/10

10:58 am-7:35 am

1 stop24h 37m

Auckland Intl

Wed 3/18

1:35 pm-4:43 pm

1 stop23h 08m

$793

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Thu 2/26

1:40 pm-9:10 am

1 stop22h 30m

Auckland Intl

Mon 3/9

2:50 pm-12:33 pm

1 stop17h 43m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Mon 2/23

5:10 pm-8:35 am

1 stop18h 25m

Auckland Intl

Fri 3/6

2:35 pm-12:02 pm

1 stop18h 27m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Mon 2/23

3:50 pm-9:10 am

1 stop20h 20m

Auckland Intl

Tue 3/10

2:50 pm-12:33 pm

1 stop17h 43m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Wed 2/25

1:02 pm-8:35 am

1 stop22h 33m

Auckland Intl

Fri 3/6

2:35 pm-12:02 pm

1 stop18h 27m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Tue 2/17

3:50 pm-9:10 am

1 stop20h 20m

Auckland Intl

Tue 3/3

3:50 pm-6:55 pm

1 stop24h 05m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Thu 2/26

1:02 pm-8:35 am

1 stop22h 33m

Auckland Intl

Mon 3/9

1:35 pm-4:43 pm

1 stop23h 08m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Mon 2/23

7:57 pm-9:10 am

1 stop16h 13m

Auckland Intl

Mon 3/9

2:50 pm-6:48 pm

1 stop23h 58m

$794

PortlandAuckland

PDX - AKL

PDXAKL

Portland

Sat 2/21

1:02 pm-8:35 am

1 stop22h 33m

Auckland Intl

Sat 3/7

2:35 pm-4:10 pm

1 stop22h 35m

$794

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Washington to South Pacific

Have a flexible travel schedule? Discover the best time to fly to South Pacific 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 South Pacific

What is the cheapest month to book a flight from State of Washington to South Pacific?

Currently, August is the cheapest month in which you can book a flight from State of Washington to South Pacific (average of $157). Flying from State of Washington to South Pacific in October is currently the most expensive (average of $729). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to South Pacific. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from State of Washington to South Pacific?

    Air Canada, Delta, and United Airlines can get you from State of Washington to South Pacific in just under 22h 30m. Your travel time can differ by up to 5h 50m. The distance from State of Washington to South Pacific is about 6902 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from State of Washington to South Pacific one-way?

    The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as $253. However, be on the lookout for offers from Air Canada and Qantas Airways, as they are both options that can get you from State of Washington to South Pacific for a low price.

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

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

  • How can I find direct flights from Washington to South Pacific?

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

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

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

  • What is the cheapest month to book a flight from State of Washington to South Pacific?

    Currently, August is the cheapest month in which you can book a flight from State of Washington to South Pacific (average of $157). Flying from State of Washington to South Pacific in October is currently the most expensive (average of $729). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington to South Pacific

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Washington to South Pacific

Discover the top 10 airlines that operate flights from Washington to South Pacific. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$97Average$1,304FlexibilityNo cancel feeOn-time75%
DeltaCheapest$157Average$1,236FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$576Average$1,271FlexibilityNo cancel feeOn-time67%
ANACheapest$583Average$615FlexibilityNo cancel feeOn-time80%
Qantas AirwaysCheapest$647Average$1,212FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$667Average$1,234FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$714Average$846FlexibilityNo cancel feeOn-time73%
Philippine AirlinesCheapest$758Average$880FlexibilityNo cancel feeOn-time60%
American AirlinesCheapest$759Average$1,034FlexibilityNo cancel feeOn-time71%
Hawaiian AirlinesCheapest$812Average$1,201FlexibilityNo cancel feeOn-time85%

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