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South Pacific

$366+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 July 29, 2025.

Round-trip from

$709
(Expedia)

One-way from

$366
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$1,082

Good round-trip deal

$757 or less

Good one-way deal

$639 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. 12% potential increase in price ($159 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This Expedia deal was found by Cheapflights users on 7/29. 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.
Sun 8/2410:00 amSEA - SYD
1 stop28h 20mAir Canada
Tue 9/99:20 amSYD - SEA
1 stop21h 56mAir Canada
Deal found 7/29$709
This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/79:35 pmSEA - PPT
Nonstop9h 25mAir Tahiti Nui
Wed 9/247:00 amPPT - SEA
Nonstop9h 15mAir Tahiti Nui
Deal found 7/28$726
This Air Canada deal was found by Cheapflights users on 7/29. 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 11/28:00 pmSEA - AKL
2 stops31h 30mAir Canada
Sun 11/166:15 amAKL - SEA
2 stops29h 11mAir Canada
Deal found 7/29$739
This Air Canada deal was found by Cheapflights users on 7/29. 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 11/38:00 pmSEA - SYD
2 stops23h 25mMultiple Airlines
Sun 11/1611:20 amSYD - SEA
1 stop26h 56mMultiple Airlines
Deal found 7/29$748
This Air Canada deal was found by Cheapflights users on 7/29. 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 11/38:00 pmSEA - MEL
2 stops23h 45mAir Canada
Mon 11/178:00 amMEL - SEA
2 stops20h 31mAir Canada
Deal found 7/29$751
This United Airlines deal was found by Cheapflights users on 7/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/77:28 pmSEA - AKL
1 stop16h 42mUnited Airlines
Fri 11/213:50 pmAKL - SEA
1 stop21h 25mUnited Airlines
Deal found 7/28$789
This Delta deal was found by Cheapflights users on 7/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:25 amSEA - AKL
2 stops30h 10mDelta
Sun 11/162:35 pmAKL - SEA
1 stop21h 10mDelta
Deal found 7/28$793
This Ovago deal was found by Cheapflights users on 7/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/275:05 pmSEA - SYD
1 stop21h 00mQantas Airways
Sat 10/49:10 amSYD - SEA
1 stop27h 57mQantas Airways
Deal found 7/27$810
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/61:35 pmSEA - SYD
1 stop23h 20mAmerican Airlines
Mon 10/2010:10 amSYD - SEA
2 stops24h 43mAmerican Airlines
Deal found 7/28$818
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:55 pmSEA - MEL
2 stops32h 40mMultiple Airlines
Mon 8/186:00 amMEL - SEA
2 stops29h 36mMultiple Airlines
Deal found 7/27$824
This Kiwi.com deal was found by Cheapflights users on 7/27. 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.
Wed 10/17:05 pmSEA - PPT
1 stop12h 45mMultiple Airlines
Sat 10/117:00 amPPT - SEA
1 stop12h 15mMultiple Airlines
Deal found 7/27$876
This Air Canada deal was found by Cheapflights users on 7/29. 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 8/122:55 pmSEA - BNE
1 stop23h 10mAir Canada
Fri 8/1510:00 amBNE - SEA
1 stop21h 16mAir Canada
Deal found 7/29$884

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 July 29, 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

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sun 8/24

10:00 am-7:20 am

1 stop28h 20m

Sydney Kingsford Smith

Tue 9/9

9:20 am-2:16 pm

1 stop21h 56m

$709

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Sun 9/7

9:35 pm-4:00 am

Nonstop9h 25m

Papeete Faaa

Wed 9/24

7:00 am-7:15 pm

Nonstop9h 15m

$726

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Tue 9/16

7:15 pm-12:20 pm

2 stops24h 05m

Melbourne

Tue 9/23

6:00 am-9:22 am

2 stops20h 22m

$745

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 9/10

4:59 pm-7:05 am

1 stop21h 06m

Sydney Kingsford Smith

Wed 9/17

9:10 am-9:36 pm

1 stop29h 26m

$769

SeattleAuckland

SEA - AKL

SEAAKL

Seattle/Tacoma Intl

Mon 10/27

5:55 pm-7:35 am

1 stop17h 40m

Auckland Intl

Sun 11/9

2:35 pm-1:00 pm

1 stop19h 25m

$789

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Sat 9/20

5:05 pm-7:05 am

1 stop21h 00m

Sydney Kingsford Smith

Sun 9/28

9:30 pm-11:42 pm

1 stop19h 12m

$815

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Mon 10/6

1:35 pm-6:55 am

1 stop23h 20m

Sydney Kingsford Smith

Mon 10/20

10:10 am-4:53 pm

2 stops24h 43m

$818

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Thu 8/14

2:55 pm-4:35 pm

2 stops32h 40m

Melbourne

Mon 8/18

6:00 am-6:36 pm

2 stops29h 36m

$824

SeattleSydney

SEA - SYD

SEASYD

Seattle/Tacoma Intl

Wed 9/17

7:34 pm-6:55 am

1 stop18h 21m

Sydney Kingsford Smith

Mon 9/29

9:30 am-9:15 pm

2 stops28h 45m

$832

SeattleAuckland

SEA - AKL

SEAAKL

Seattle/Tacoma Intl

Wed 10/22

7:15 pm-4:50 pm

2 stops25h 35m

Auckland Intl

Wed 11/12

7:00 am-7:16 pm

2 stops33h 16m

$859

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 $1,028). Flying from Seattle to South Pacific in December is currently the most expensive (average of $1,619). 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 July 29, 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.

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 July 29, 2025.
See what other customers who have flown with Air Tahiti Nui, China Airlines, and Emirates from Seattle to South Pacific have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Crew

9.0

Overall

8.6

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
8.6
Very good
68 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Crew

9.0

Overall

8.6

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
754 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Crew

9.0

Overall

8.6

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.
Emirates
8.1
Very good
3,295 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Crew

9.0

Overall

8.6

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
1,338 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Crew

9.0

Overall

8.6

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.
Fiji Airways
8.0
Very good
202 reviews
Air Tahiti Nui
8.6
Very good
68 reviews

Comfort

8.0

Entertainment

7.2

Boarding

8.7

Food

7.7

Crew

9.0

Overall

8.6

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 Air Canada ($366), American Airlines ($387), and Qantas Airways ($388).

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

    While some choose either Seattle/Tacoma Intl - Melbourne or Seattle/Tacoma Intl - Auckland Intl, 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, February is the cheapest month in which you can book a flight from Seattle to South Pacific (average of $1,028). Flying from Seattle to South Pacific in December is currently the most expensive (average of $1,619). 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$538Average$1,434FlexibilityNo cancel feeOn-time69%
Air Tahiti NuiCheapest$555Average$1,106FlexibilityNo cancel feeOn-time73%
Alaska AirlinesCheapest$591Average$1,188FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$635Average$1,131FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$647Average$1,276FlexibilityNo cancel feeOn-time74%
DeltaCheapest$790Average$1,263FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$794Average$1,139FlexibilityNo cancel feeOn-time71%
ANACheapest$794Average$1,115FlexibilityNo cancel feeOn-time80%
Hawaiian AirlinesCheapest$842Average$1,197FlexibilityNo cancel feeOn-time85%
Fiji AirwaysCheapest$845Average$1,145FlexibilityNo cancel feeOn-time74%

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