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South Pacific

$388+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Mar 9 — Mar 161
Sun 3/9
Sun 3/16
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 March 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$805
(Kiwi.com)

One-way from

$388
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$991

Good round-trip deal

$826 or less

Good one-way deal

$660 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sydney Kingsford Smith flights.
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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. 10% potential increase in price ($127 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($33 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 4, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Tue 4/112:00 pmSEA - MEL
2 stops34h 35mMultiple Airlines
Wed 4/303:45 pmMEL - SEA
1 stop31h 30mMultiple Airlines
Deal found 3/3$805
This Air Canada deal was found by Cheapflights users on 3/3. 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 9/217:15 pmSEA - MEL
2 stops25h 05mAir Canada
Sun 10/127:10 amMEL - SEA
2 stops20h 11mAir Canada
Deal found 3/3$809
This EaseMyTrip deal was found by Cheapflights users on 3/3. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/177:45 pmSEA - PPT
2 stops47h 50mAir France
Thu 4/246:45 pmPPT - SEA
1 stop14h 48mAir France
Deal found 3/3$819
This Kiwi.com deal was found by Cheapflights users on 3/3. 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.
Thu 4/179:35 pmSEA - PPT
1 stop34h 15mMultiple Airlines
Thu 4/247:00 amPPT - SEA
1 stop23h 06mMultiple Airlines
Deal found 3/3$824
This Air Canada deal was found by Cheapflights users on 3/3. 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.
Mon 8/2510:10 amPDX - SYD
1 stop28h 10mAir Canada
Mon 9/19:20 amSYD - PDX
1 stop17h 15mAir Canada
Deal found 3/3$834
This Gotogate deal was found by Cheapflights users on 3/3. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/169:35 pmSEA - PPT
Nonstop9h 25mAir Tahiti Nui
Wed 4/2311:45 pmPPT - SEA
1 stop15h 47mAir Tahiti Nui
Deal found 3/3$837
This Air Canada deal was found by Cheapflights users on 3/4. 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.
Thu 10/307:05 pmSEA - SYD
2 stops43h 35mAir Canada
Fri 11/711:20 amSYD - SEA
1 stop22h 10mAir Canada
Deal found 3/4$848
This Delta deal was found by Cheapflights users on 3/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/155:30 amSEA - SYD
2 stops32h 05mDelta
Tue 4/229:25 amSYD - SEA
1 stop20h 08mDelta
Deal found 3/3$859
This CheapTickets.ch deal was found by Cheapflights users on 3/3. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/175:14 amSEA - PPT
2 stops16h 41mAustrian Airlines
Thu 4/249:10 pmPPT - SEA
2 stops22h 50mAustrian Airlines
Deal found 3/3$863
This United Airlines deal was found by Cheapflights users on 3/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/17:01 pmSEA - SYD
2 stops42h 59mUnited Airlines
Fri 7/189:30 amSYD - SEA
2 stops28h 11mUnited Airlines
Deal found 3/2$863
This CheapTickets.ch deal was found by Cheapflights users on 3/3. 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 CheapTickets.ch is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/179:10 amSEA - PPT
1 stop12h 45mLufthansa
Thu 4/249:10 pmPPT - SEA
2 stops17h 57mLufthansa
Deal found 3/3$869
This United Airlines deal was found by Cheapflights users on 3/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/167:10 pmSEA - PPT
2 stops50h 50mUnited Airlines
Sun 3/309:10 pmPPT - SEA
2 stops41h 57mUnited Airlines
Deal found 3/3$870

Find flights from Washington to South Pacific within your budget

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 March 4, 2025.

Fly from

Washington

Fly to

South Pacific

Route

Depart

Return

Price

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 4/1

12:00 pm-4:35 pm

2 stops34h 35m

Melbourne

Wed 4/30

3:45 pm-6:15 am

1 stop31h 30m

$805

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Mon 5/19

7:15 pm-11:35 am

2 stops23h 20m

Melbourne

Tue 6/10

6:00 am-9:18 am

2 stops20h 18m

$810

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Thu 4/17

7:45 pm-4:35 pm

2 stops47h 50m

Papeete Faaa

Thu 4/24

6:45 pm-12:33 pm

1 stop14h 48m

$819

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Thu 4/17

9:35 pm-4:50 am

1 stop34h 15m

Papeete Faaa

Thu 4/24

7:00 am-9:06 am

1 stop23h 06m

$824

PortlandSydney

PDX - SYD

PDXSYD

Portland

Mon 8/25

10:10 am-7:20 am

1 stop28h 10m

Sydney Kingsford Smith

Mon 9/1

9:20 am-9:35 am

1 stop17h 15m

$834

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Wed 4/16

9:35 pm-4:00 am

Nonstop9h 25m

Papeete Faaa

Wed 4/23

11:45 pm-6:32 pm

1 stop15h 47m

$837

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 6/3

2:55 pm-7:20 am

1 stop23h 25m

Sydney Kingsford Smith

Sun 6/22

9:20 am-9:21 am

1 stop17h 01m

$848

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 4/15

5:30 am-6:35 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 4/22

9:25 am-12:33 pm

1 stop20h 08m

$859

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Thu 4/17

5:14 am-6:55 pm

2 stops16h 41m

Papeete Faaa

Thu 4/24

9:10 pm-11:00 pm

2 stops22h 50m

$863

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Tue 7/1

7:01 pm-7:00 am

2 stops42h 59m

Sydney Kingsford Smith

Fri 7/18

9:30 am-8:41 pm

2 stops28h 11m

$863

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/3

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.

Travel insights for flights from Washington to South Pacific

Get recent, data-driven insights about flights from Washington to South Pacific including ideal travel times, pricing trends, and more.

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 $1,051). Flying from State of Washington to South Pacific in December is currently the most expensive (average of $1,643). 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 March 4, 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.

Rainfall in South Pacific by month

Plan your trip to South Pacific by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Pacific ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit South Pacific when rainfall is around 2.0 in.

Temperature in South Pacific by month

Plan your trip to South Pacific by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Pacific, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing South Pacific

Get insights into the airlines that provide service to South Pacific. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Pacific. Reviews last updated March 4, 2025.
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Entertainment

7.2

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui
8.7
Very good
61 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Entertainment

7.2

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

EVA Air
8.4
Very good
1,181 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Entertainment

7.2

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

ANA
8.4
Very good
834 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Entertainment

7.2

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

China Airlines
8.2
Very good
721 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Entertainment

7.2

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Singapore Airlines
8.1
Very good
1,286 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Overall

8.7

Food

7.8

Comfort

8.0

Crew

9.1

Entertainment

7.2

Boarding

8.7

Reviews

1 / 2

10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 $424. However, be on the lookout for offers from American Airlines 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 $1,051). Flying from State of Washington to South Pacific in December is currently the most expensive (average of $1,643). 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.

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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 March 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$538Average$1,450FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$555Average$1,213FlexibilityNo cancel feeOn-time73%
Qantas AirwaysCheapest$719Average$1,490FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$748Average$1,166FlexibilityNo cancel feeOn-time67%
ANACheapest$767Average$1,196FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$807Average$1,190FlexibilityNo cancel feeOn-time71%
DeltaCheapest$830Average$1,287FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$842Average$1,124FlexibilityNo cancel feeOn-time85%
Air FranceCheapest$852Average$1,064FlexibilityNo cancel feeOn-time77%
Alaska AirlinesCheapest$854Average$1,278FlexibilityNo cancel feeOn-time75%
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