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South Pacific

$366+ 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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$742
(Air Canada)

One-way from

$366
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,051

Good round-trip deal

$758 or less

Good one-way deal

$634 or less
From Washington to South Pacific
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One-way flight from Washington to South Pacific
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Highest demand for flights based on searches. 11% potential increase in price ($148 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington to South Pacific.
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Price to beat on a one-way flight from Washington to South Pacific.
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Find 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 septiembre 11, 2025.

This Air Canada deal was found by Cheapflights users on 9/9. 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.
dom. 12/143:40 pmSEA - AKL
1 stop22h 20mAir Canada
dom. 12/212:00 pmAKL - SEA
1 stop21h 31mAir Canada
Deal found 9/9$742
This Expedia deal was found by Cheapflights users on 9/9. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/318:00 pmSEA - AKL
2 stops32h 25mMultiple Airlines
lun. 11/176:45 amAKL - SEA
2 stops23h 46mMultiple Airlines
Deal found 9/9$746
This Air Canada deal was found by Cheapflights users on 9/11. 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.
vie. 10/107:40 pmPDX - AKL
2 stops25h 10mAir Canada
mié. 12/172:00 pmAKL - PDX
1 stop16h 15mAir Canada
Deal found 9/11$766
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/810:05 amSEA - AKL
1 stop27h 55mAir Canada
dom. 12/212:00 pmAKL - SEA
1 stop16h 31mAir Canada
Deal found 9/10$768
This Air Canada deal was found by Cheapflights users on 9/10. 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.
lun. 12/157:00 pmPDX - AKL
1 stop19h 00mAir Canada
lun. 2/167:00 amAKL - PDX
2 stops32h 30mAir Canada
Deal found 9/10$768
This Air Canada deal was found by Cheapflights users on 9/10. 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.
dom. 11/28:00 pmSEA - AKL
2 stops24h 20mAir Canada
dom. 11/166:15 amAKL - SEA
2 stops34h 01mAir Canada
Deal found 9/10$772
This Orbitz deal was found by Cheapflights users on 9/10. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/27:00 pmPDX - AKL
2 stops25h 20mAir Canada
dom. 11/166:15 amAKL - PDX
2 stops29h 30mAir Canada
Deal found 9/10$772
This Air Canada deal was found by Cheapflights users on 9/11. 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.
vie. 10/318:00 pmSEA - AKL
2 stops25h 55mMultiple Airlines
vie. 11/146:15 amAKL - SEA
2 stops24h 16mMultiple Airlines
Deal found 9/11$812
This Air Canada deal was found by Cheapflights users on 9/11. 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.
dom. 10/192:55 pmSEA - SYD
2 stops26h 45mAir Canada
dom. 10/267:00 amSYD - SEA
2 stops20h 31mAir Canada
Deal found 9/11$814
This Air Canada deal was found by Cheapflights users on 9/11. 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.
sáb. 10/257:15 pmSEA - MEL
2 stops25h 00mAir Canada
sáb. 11/88:10 amMEL - SEA
2 stops25h 21mAir Canada
Deal found 9/11$815
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/203:23 pmSEA - SYD
1 stop23h 07mAmerican Airlines
mié. 10/19:10 amSYD - SEA
1 stop22h 39mAmerican Airlines
Deal found 9/9$815
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/213:23 pmSEA - SYD
1 stop23h 07mAmerican Airlines
dom. 10/56:45 pmSYD - SEA
1 stop21h 13mAmerican Airlines
Deal found 9/10$816

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 septiembre 11, 2025.
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

PortlandAuckland

PDX - AKL

PDXAKL

Portland

vie. 10/10

7:40 pm-4:50 pm

2 stops25h 10m

Auckland Intl

mié. 12/17

2:00 pm-9:15 am

1 stop16h 15m

$766

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

dom. 11/9

4:30 pm-7:25 am

1 stop19h 55m

Sydney Kingsford Smith

vie. 11/28

5:45 pm-6:11 pm

1 stop19h 26m

$827

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

mié. 11/12

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

vie. 11/21

9:40 pm-11:17 pm

1 stop20h 37m

$827

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

dom. 11/9

4:30 pm-7:25 am

1 stop19h 55m

Sydney Kingsford Smith

dom. 11/23

5:45 pm-6:11 pm

1 stop19h 26m

$827

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

jue. 11/6

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

vie. 11/21

9:40 pm-8:49 pm

1 stop18h 09m

$828

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

vie. 11/7

7:00 am-7:45 pm

1 stop17h 45m

Sydney Kingsford Smith

jue. 11/20

9:40 pm-5:35 am

1 stop26h 55m

$828

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

mar. 9/30

5:26 pm-7:00 am

1 stop20h 34m

Sydney Kingsford Smith

mié. 10/15

10:30 am-9:15 pm

2 stops28h 45m

$843

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

dom. 9/21

5:40 pm-6:35 am

1 stop19h 55m

Sydney Kingsford Smith

mar. 9/30

9:25 am-12:45 pm

1 stop20h 20m

$844

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

jue. 11/6

7:28 pm-9:15 am

1 stop18h 47m

Sydney Kingsford Smith

mié. 11/19

11:50 am-6:10 pm

2 stops25h 20m

$844

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

dom. 9/21

5:35 pm-6:55 am

1 stop20h 20m

Sydney Kingsford Smith

jue. 10/2

9:30 am-9:15 pm

2 stops28h 45m

$844

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, February is the cheapest month in which you can book a flight from State of Washington to South Pacific (average of $1,035). Flying from State of Washington to South Pacific in December is currently the most expensive (average of $1,626). 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.

What is the cheapest time of day to fly from WA to SP?

Find hourly flight availability from Washington to South Pacific. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 11, 2025.

When flying from State of Washington to South Pacific, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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, Alaska Airlines, and Delta can get you from State of Washington to South Pacific in just under 17h 45m. Your travel time can differ by up to 7h 25m. The distance from State of Washington to South Pacific is about 7744 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 Air Canada, with whom users have recently found tickets for as low as $366. However, be on the lookout for offers from Qantas Airways and United Airlines, 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, February is the cheapest month in which you can book a flight from State of Washington to South Pacific (average of $1,035). Flying from State of Washington to South Pacific in December is currently the most expensive (average of $1,626). 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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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$167Average$1,170FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$591Average$1,166FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$620Average$1,120FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$647Average$1,202FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$718Average$908FlexibilityNo cancel feeOn-time73%
American AirlinesCheapest$769Average$1,086FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$776Average$1,306FlexibilityNo cancel feeOn-time69%
ANACheapest$794Average$1,083FlexibilityNo cancel feeOn-time80%
Hawaiian AirlinesCheapest$826Average$1,199FlexibilityNo cancel feeOn-time85%
Fiji AirwaysCheapest$845Average$1,181FlexibilityNo cancel feeOn-time74%

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