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South Pacific

$359+ 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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$709
(Mytrip)

One-way from

$359
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,109

Good round-trip deal

$723 or less

Good one-way deal

$574 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 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 ($130 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 April 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 April 17, 2025.

This Gotogate deal was found by Cheapflights users on 4/16. 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 5/79:35 pmSEA - PPT
Nonstop9h 25mAir Tahiti Nui
Wed 5/147:00 amPPT - SEA
Nonstop9h 15mAir Tahiti Nui
Deal found 4/16$717
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Wed 12/37:05 pmSEA - AKL
1 stop18h 55mAir Canada
Wed 2/112:00 pmAKL - SEA
1 stop21h 30mAir Canada
Deal found 4/17$901
This Air Canada deal was found by Cheapflights users on 4/17. 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 11/23:05 pmSEA - AKL
2 stops29h 15mMultiple Airlines
Sun 11/166:45 amAKL - SEA
2 stops24h 05mMultiple Airlines
Deal found 4/17$904
This Gurufare deal was found by Cheapflights users on 4/17. 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.
Fri 6/62:30 pmSEA - NAN
1 stop20h 15mMultiple Airlines
Tue 6/179:40 pmNAN - SEA
1 stop18h 20mMultiple Airlines
Deal found 4/17$945
This Trip.com deal was found by Cheapflights users on 4/17. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/1512:04 pmSEA - SYD
2 stops33h 36mMultiple Airlines
Fri 5/304:20 pmSYD - SEA
1 stop30h 55mMultiple Airlines
Deal found 4/17$950
This Mytrip deal was found by Cheapflights users on 4/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:25 amSEA - PPT
1 stop16h 05mHawaiian Airlines
Sat 5/2411:30 pmPPT - SEA
1 stop14h 20mHawaiian Airlines
Deal found 4/17$956
This Expedia deal was found by Cheapflights users on 4/17. 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.
Thu 11/139:25 pmSEA - PPT
2 stops33h 35mMultiple Airlines
Wed 11/267:00 amPPT - SEA
Nonstop9h 15mMultiple Airlines
Deal found 4/17$959
This Alaska Airlines deal was found by Cheapflights users on 4/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/178:25 amSEA - PPT
1 stop16h 05mAlaska Airlines
Sat 5/2411:30 pmPPT - SEA
2 stops17h 55mAlaska Airlines
Deal found 4/17$965
This oojo deal was found by Cheapflights users on 4/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1211:35 pmSEA - SYD
1 stop39h 25mPhilippine Airlines
Sun 10/2611:15 amSYD - SEA
1 stop26h 20mPhilippine Airlines
Deal found 4/17$968
This Trip.com deal was found by Cheapflights users on 4/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:00 amSEA - MEL
2 stops37h 15mMultiple Airlines
Sat 6/71:40 pmMEL - SEA
2 stops26h 02mMultiple Airlines
Deal found 4/16$981
This FlightHub deal was found by Cheapflights users on 4/17. 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.
Wed 10/1511:35 pmSEA - MEL
1 stop36h 25mPhilippine Airlines
Wed 10/299:00 amMEL - SEA
1 stop28h 35mPhilippine Airlines
Deal found 4/17$1,008
This American Airlines deal was found by Cheapflights users on 4/17. 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.
Sun 4/206:42 amSEA - PPT
2 stops25h 23mAmerican Airlines
Sun 5/47:00 amPPT - SEA
Nonstop9h 15mAmerican Airlines
Deal found 4/17$1,037

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 April 17, 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

Wed 5/7

9:35 pm-4:00 am

Nonstop9h 25m

Papeete Faaa

Wed 5/14

7:00 am-7:15 pm

Nonstop9h 15m

$717

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Sun 5/11

9:35 pm-4:00 am

Nonstop9h 25m

Papeete Faaa

Wed 5/14

7:00 am-7:15 pm

Nonstop9h 15m

$757

SeattleNadi

SEA - NAN

SEANAN

Seattle/Tacoma Intl

Fri 6/6

2:30 pm-5:45 am

1 stop20h 15m

Nadi

Tue 6/17

9:40 pm-9:00 pm

1 stop18h 20m

$945

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Thu 5/15

12:04 pm-2:40 pm

2 stops33h 36m

Sydney Kingsford Smith

Fri 5/30

4:20 pm-6:15 am

1 stop30h 55m

$950

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Sat 5/17

8:25 am-9:30 pm

1 stop16h 05m

Papeete Faaa

Sat 5/24

11:30 pm-4:50 pm

1 stop14h 20m

$956

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 10/12

11:35 pm-9:00 am

1 stop39h 25m

Sydney Kingsford Smith

Sun 10/26

11:15 am-7:35 pm

1 stop26h 20m

$968

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Wed 5/7

3:36 pm-4:50 am

1 stop16h 14m

Papeete Faaa

Wed 5/14

7:40 am-8:42 pm

1 stop34h 02m

$973

SeattleAuckland

SEA - AKL

SEAAKL

Seattle/Tacoma Intl

Sun 6/1

2:55 pm-3:05 pm

2 stops29h 10m

Auckland Intl

Sun 6/8

6:35 am-9:18 am

2 stops21h 43m

$981

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Sat 5/31

6:00 am-12:15 pm

2 stops37h 15m

Melbourne

Sat 6/7

1:40 pm-10:42 pm

2 stops26h 02m

$981

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Wed 5/14

11:35 pm-5:00 am

1 stop36h 25m

Melbourne

Wed 5/21

8:00 am-7:15 pm

1 stop28h 15m

$1,046

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

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, February is the cheapest month in which you can book a flight from Seattle to South Pacific (average of $1,046). Flying from Seattle 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 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 April 17, 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 April 17, 2025.
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Crew

9.1

Comfort

8.1

Entertainment

7.3

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.
Japan Airlines
8.3
Very good
1,447 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
845 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Crew

9.1

Comfort

8.1

Entertainment

7.3

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
729 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Crew

9.1

Comfort

8.1

Entertainment

7.3

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.
Asiana Airlines
8.2
Very good
438 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Boarding

8.7

Overall

8.8

Food

7.8

Crew

9.1

Comfort

8.1

Entertainment

7.3

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 United Airlines ($532), Air France ($535), and Philippine Airlines ($593).

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

    While some choose either Seattle/Tacoma Intl - Sydney Kingsford Smith or Seattle/Tacoma Intl - Auckland Intl, Seattle/Tacoma Intl - Melbourne 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, February is the cheapest month in which you can book a flight from Seattle to South Pacific (average of $1,046). Flying from Seattle 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.

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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$538Average$1,460FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$719Average$1,433FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$722Average$1,010FlexibilityNo cancel feeOn-time73%
Air CanadaCheapest$748Average$1,152FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$807Average$1,187FlexibilityNo cancel feeOn-time71%
DeltaCheapest$830Average$1,286FlexibilityNo cancel feeOn-timeN/A
Hawaiian AirlinesCheapest$842Average$1,127FlexibilityNo cancel feeOn-time85%
Air FranceCheapest$852Average$1,063FlexibilityNo cancel feeOn-time77%
ANACheapest$861Average$1,196FlexibilityNo cancel feeOn-time80%
Alaska AirlinesCheapest$864Average$1,230FlexibilityNo cancel feeOn-time75%

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