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South Pacific

$392+ Cheap flights from Seattle (SEA) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Seattle to South Pacific

Keep the following information in mind while searching for Seattle to South Pacific flight deals. Data was last updated June 12, 2025.

Round-trip from

$712
(lol.travel)

One-way from

$392
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,089

Good round-trip deal

$756 or less

Good one-way deal

$651 or less
From Seattle/Tacoma Intl to South Pacific
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One-way flight from Seattle/Tacoma Intl to South Pacific
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Highest demand for flights based on searches. 10% potential increase in price ($139 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to South Pacific.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to South Pacific.
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Find flight deals from Seattle to South Pacific

Cheapest flights from Seattle to South Pacific
Explore the most affordable flight options available from Seattle to South Pacific. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This lol.travel deal was found by Cheapflights users on 6/10. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/159:35 pmSEA - PPT
Nonstop9h 25mAir Tahiti Nui
Sun 6/297:00 amPPT - SEA
Nonstop9h 15mAir Tahiti Nui
Deal found 6/10$712
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:05 pmSEA - PPT
1 stop12h 45mMultiple Airlines
Thu 10/27:00 amPPT - SEA
1 stop22h 07mMultiple Airlines
Deal found 6/10$756
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Sun 9/72:55 pmSEA - SYD
1 stop23h 25mAir Canada
Tue 9/169:20 amSYD - SEA
1 stop20h 46mAir Canada
Deal found 6/11$777
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/272:32 pmSEA - SYD
1 stop23h 58mQantas Airways
Tue 9/169:10 amSYD - SEA
1 stop20h 40mQantas Airways
Deal found 6/12$793
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:00 pmSEA - AKL
1 stop21h 55mDelta
Sun 11/92:50 pmAKL - SEA
1 stop20h 55mDelta
Deal found 6/11$794
This United Airlines deal was found by Cheapflights users on 6/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/23:37 pmSEA - AKL
1 stop20h 33mUnited Airlines
Sun 11/163:50 pmAKL - SEA
1 stop21h 25mUnited Airlines
Deal found 6/10$800
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Tue 9/162:55 pmSEA - MEL
2 stops27h 10mAir Canada
Thu 10/26:00 amMEL - SEA
2 stops25h 16mAir Canada
Deal found 6/11$813
This Flighttix deal was found by Cheapflights users on 6/12. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/46:09 pmSEA - SYD
1 stop20h 21mMultiple Airlines
Sun 8/179:10 amSYD - SEA
1 stop18h 39mMultiple Airlines
Deal found 6/12$821
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 8/22:30 pmSEA - SYD
1 stop24h 00mAmerican Airlines
Sun 8/245:45 pmSYD - SEA
1 stop20h 48mAmerican Airlines
Deal found 6/12$835
This Delta deal was found by Cheapflights users on 6/12. 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.
Fri 8/19:25 pmSEA - SYD
1 stop40h 10mDelta
Thu 8/149:25 amSYD - SEA
1 stop20h 09mDelta
Deal found 6/12$843
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/45:10 amSEA - SYD
1 stop32h 45mUnited Airlines
Sun 8/179:30 amSYD - SEA
2 stops23h 24mUnited Airlines
Deal found 6/12$845
This Air Canada deal was found by Cheapflights users on 6/12. 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 11/28:20 pmSEA - AKL
2 stops31h 10mAir Canada
Sat 11/86:15 amAKL - SEA
2 stops24h 01mAir Canada
Deal found 6/12$872

Cheapflights Fare Finder

Customize your flight search to find flights from Seattle 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 June 12, 2025.
Use the filters below to find and compare flights from Seattle to South Pacific that are best for you.

Fly from

Seattle

Fly to

South Pacific

Route

Depart

Return

Price

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Sun 6/15

9:35 pm-4:00 am

Nonstop9h 25m

Papeete Faaa

Sun 6/29

7:00 am-7:15 pm

Nonstop9h 15m

$712

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 9/7

2:55 pm-7:20 am

1 stop23h 25m

Sydney Kingsford Smith

Tue 9/16

9:20 am-1:06 pm

1 stop20h 46m

$777

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 8/27

2:32 pm-7:30 am

1 stop23h 58m

Sydney Kingsford Smith

Tue 9/16

9:10 am-12:50 pm

1 stop20h 40m

$793

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 9/16

2:55 pm-11:05 am

2 stops27h 10m

Melbourne

Thu 10/2

6:00 am-2:16 pm

2 stops25h 16m

$813

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 8/4

6:09 pm-7:30 am

1 stop20h 21m

Sydney Kingsford Smith

Sun 8/17

9:10 am-10:49 am

1 stop18h 39m

$821

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sat 8/2

2:30 pm-7:30 am

1 stop24h 00m

Sydney Kingsford Smith

Sun 8/24

5:45 pm-9:33 pm

1 stop20h 48m

$835

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Fri 8/1

5:10 am-6:55 am

1 stop32h 45m

Sydney Kingsford Smith

Mon 8/11

9:30 am-8:57 pm

2 stops28h 27m

$843

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 8/3

2:24 pm-6:35 am

1 stop23h 11m

Sydney Kingsford Smith

Sat 8/16

9:25 am-12:34 pm

1 stop20h 09m

$850

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 8/27

10:00 am-9:25 am

2 stops30h 25m

Sydney Kingsford Smith

Tue 9/16

11:50 am-6:36 pm

2 stops23h 46m

$896

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 8/27

11:35 pm-5:00 am

1 stop36h 25m

Melbourne

Wed 9/10

8:00 am-7:15 pm

1 stop28h 15m

$908

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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

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

What is the cheapest month to book a flight from Seattle to South Pacific?

Currently, March is the cheapest month in which you can book a flight from Seattle to South Pacific (average of $1,041). Flying from Seattle to South Pacific in December is currently the most expensive (average of $1,635). 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 SEA to SP?

Find hourly flight availability from Seattle 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 June 12, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to South Pacific as you normally would.

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 June 12, 2025.
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

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
1,202 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

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.
Korean Air
8.4
Very good
1,088 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

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
8.3
Very good
738 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

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
8.3
Very good
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Overall

8.7

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

Crew

9.0

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 Seattle 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 airport do you fly from for flights from Seattle to South Pacific?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to South Pacific.

  • What are the cheapest airlines to fly from Seattle to South Pacific one-way?

    The cheapest airlines for a one-way flight from Seattle to South Pacific are Qantas Airways ($401), Air Canada ($415), and American Airlines ($428).

  • What are the most popular routes from Seattle to South Pacific?

    While some choose either Seattle/Tacoma Intl - Auckland Intl or Seattle/Tacoma Intl - Melbourne, Seattle/Tacoma Intl - Sydney Kingsford Smith is the most popular route from Seattle to South Pacific.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to South Pacific?

    Currently, March is the cheapest month in which you can book a flight from Seattle to South Pacific (average of $1,041). Flying from Seattle to South Pacific in December is currently the most expensive (average of $1,635). 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 Seattle 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 Seattle to South Pacific

Discover the top 10 airlines that operate flights from Seattle 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$538Average$1,433FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$555Average$1,117FlexibilityNo cancel feeOn-time73%
Qantas AirwaysCheapest$647Average$1,277FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$748Average$1,138FlexibilityNo cancel feeOn-time67%
Alaska AirlinesCheapest$756Average$1,227FlexibilityNo cancel feeOn-time75%
ANACheapest$791Average$1,139FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$807Average$1,177FlexibilityNo cancel feeOn-time71%
DeltaCheapest$829Average$1,273FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$842Average$1,155FlexibilityNo cancel feeOn-time85%
Fiji AirwaysCheapest$845Average$1,149FlexibilityNo cancel feeOn-time74%

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