South Pacific

$466+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SYD
Jun 6 — Jun 131
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Cheap 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 May 7, 2026.

This FlightHub deal was found by Cheapflights users on 5/7. 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 9/1610:44 am
SEA
-
PPT
1 stop20h 56m
Multiple Airlines
Mon 9/217:00 am
PPT
-
SEA
1 stop22h 11m
Multiple Airlines
Deal found 5/7$689
This Justfly.com deal was found by Cheapflights users on 5/5. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:44 am
SEA
-
PPT
1 stop20h 56m
Multiple Airlines
Mon 10/127:00 am
PPT
-
SEA
1 stop22h 16m
Multiple Airlines
Deal found 5/5$709
This FlightHub deal was found by Cheapflights users on 5/6. 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 9/910:44 am
SEA
-
PPT
1 stop20h 56m
Multiple Airlines
Mon 9/147:00 am
PPT
-
SEA
1 stop22h 11m
Multiple Airlines
Deal found 5/6$719
This Justfly.com deal was found by Cheapflights users on 5/6. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:21 pm
SEA
-
PPT
1 stop34h 19m
Multiple Airlines
Mon 9/147:00 am
PPT
-
SEA
1 stop22h 11m
Multiple Airlines
Deal found 5/6$754
This FlightHub deal was found by Cheapflights users on 5/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/243:48 pm
SEA
-
PPT
1 stop15h 52m
Multiple Airlines
Thu 6/47:00 am
PPT
-
SEA
1 stop22h 17m
Multiple Airlines
Deal found 5/4$755
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/129:21 pm
SEA
-
PPT
1 stop34h 19m
Multiple Airlines
Sat 9/197:00 am
PPT
-
SEA
1 stop12h 46m
Multiple Airlines
Deal found 5/3$770
This Justfly.com deal was found by Cheapflights users on 5/4. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:35 pm
SEA
-
PPT
1 stop17h 45m
Multiple Airlines
Mon 11/97:15 am
PPT
-
SEA
1 stop12h 58m
Multiple Airlines
Deal found 5/4$779
This FlightHub deal was found by Cheapflights users on 5/3. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:21 pm
SEA
-
PPT
1 stop34h 19m
Multiple Airlines
Thu 9/247:00 am
PPT
-
SEA
1 stop13h 10m
Multiple Airlines
Deal found 5/3$789
This Justfly.com deal was found by Cheapflights users on 5/3. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/177:00 am
SEA
-
PPT
1 stop24h 40m
Multiple Airlines
Thu 5/287:00 am
PPT
-
SEA
1 stop22h 17m
Multiple Airlines
Deal found 5/3$820
This Kiwi.com deal was found by Cheapflights users on 5/3. 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.
Wed 8/1211:04 am
SEA
-
NAN
1 stop23h 56m
Multiple Airlines
Wed 8/199:40 pm
NAN
-
SEA
1 stop15h 46m
Multiple Airlines
Deal found 5/3$866
This oojo deal was found by Cheapflights users on 5/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/19:50 am
SEA
-
AKL
2 stops35h 00m
Multiple Airlines
Wed 1/203:50 pm
AKL
-
SEA
1 stop19h 52m
Multiple Airlines
Deal found 5/3$898
This oojo deal was found by Cheapflights users on 5/2. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/1911:38 am
SEA
-
AKL
2 stops41h 17m
Multiple Airlines
Wed 6/38:20 am
AKL
-
SEA
2 stops31h 47m
Multiple Airlines
Deal found 5/2$902

Find 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 May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$689
(FlightHub)

One-way from

$466
(FlightHub)

Popular in

December

Cheapest in

August

Average price

$1,106
Provider with most accurate pricing for Seattle/Tacoma Intl-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sydney Kingsford Smith flights.
From Washington to South Pacific
One-way flight from Washington to South Pacific
Highest demand for flights based on searches. 16% potential increase in price ($211 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 7, 2026.
Use the filters below to find and compare flights from Washington to South Pacific that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Mon 7/13

6:59 pm-9:10 pm

2 stops29h 11m

Papeete Faaa

Tue 7/21

11:25 pm-11:59 pm

2 stops21h 34m

$890
Quickest round-trip

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Tue 8/18

8:00 am-9:10 pm

1 stop16h 10m

Papeete Faaa

Sat 8/22

11:30 pm-11:20 pm

2 stops20h 50m

$890

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Fri 7/10

8:30 pm-9:30 pm

1 stop28h 00m

Papeete Faaa

Tue 7/21

11:25 pm-6:17 am

2 stops27h 52m

$901

SeattleAuckland

SEA - AKL

SEAAKL

Seattle/Tacoma Intl

Wed 8/5

6:10 pm-2:05 pm

2 stops24h 55m

Auckland Intl

Mon 8/17

3:55 pm-9:58 pm

2 stops25h 03m

$907

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Thu 7/16

6:59 pm-9:30 pm

2 stops53h 31m

Papeete Faaa

Tue 7/21

11:25 pm-6:17 am

2 stops27h 52m

$913

SeattleNadi

SEA - NAN

SEANAN

Seattle/Tacoma Intl

Tue 8/11

1:20 pm-6:00 am

2 stops21h 40m

Nadi

Fri 8/28

9:40 pm-9:43 pm

2 stops19h 03m

$999

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Sat 6/13

8:00 am-9:30 pm

1 stop16h 30m

Papeete Faaa

Sat 6/20

11:30 pm-11:59 pm

2 stops21h 29m

$1,009

SeattlePapeete

SEA - PPT

SEAPPT

Seattle/Tacoma Intl

Mon 8/17

11:26 pm-9:10 pm

2 stops24h 44m

Papeete Faaa

Sat 8/22

11:30 pm-11:20 pm

2 stops20h 50m

$1,027

PortlandMelbourne

PDX - MEL

PDXMEL

Portland

Wed 7/1

3:27 pm-6:45 am

1 stop22h 18m

Melbourne

Wed 8/19

9:45 am-4:51 pm

2 stops24h 06m

$1,086

SeattleMelbourne

SEA - MEL

SEAMEL

Seattle/Tacoma Intl

Fri 5/15

12:51 pm-7:30 am

2 stops25h 39m

Melbourne

Mon 5/25

10:55 am-4:20 pm

1 stop22h 25m

$1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/3

Showing 1-10 of 60 resultsSorted by cheapest first
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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

How far ahead should I book a flight from State of Washington to South Pacific?

The best time to book flights from State of Washington to South Pacific is 23 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from State of Washington to South Pacific?

Currently, January is the cheapest month in which you can book a flight from State of Washington to South Pacific (average of $97). Flying from State of Washington to South Pacific in February is currently the most expensive (average of $1,885). 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.

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?

    Qantas Airways, American Airlines, and United Airlines can get you from State of Washington to South Pacific in just under 22h 18m. Your travel time can differ by up to 3h 21m. The distance from State of Washington to South Pacific is about 8111 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 ANA, with whom users have recently found tickets for as low as $253. However, be on the lookout for offers from Air Canada and Qantas Airways, 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, January is the cheapest month in which you can book a flight from State of Washington to South Pacific (average of $97). Flying from State of Washington to South Pacific in February is currently the most expensive (average of $1,885). 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$97Average$1,235FlexibilityNo cancel feeOn-time75%
DeltaCheapest$157Average$1,238FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$385Average$1,046FlexibilityNo cancel feeOn-time67%
ANACheapest$583Average$655FlexibilityNo cancel feeOn-time80%
Qantas AirwaysCheapest$621Average$1,231FlexibilityNo cancel feeOn-time74%
Air Tahiti NuiCheapest$728Average$929FlexibilityNo cancel feeOn-time73%
American AirlinesCheapest$759Average$882FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$788Average$1,253FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$813Average$1,153FlexibilityNo cancel feeOn-time85%
Air New ZealandCheapest$863Average$1,341FlexibilityNo cancel feeOn-time78%

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