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$339+ Cheap flights from Washington to Sydney, NS (YQY)

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — YQY
Jun 24 — Jul 11
Wed 6/24
Wed 7/1
1 adult, Economy
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Cheap flight deals from Washington to Sydney

Cheapest flights from Washington to Sydney
Explore the most affordable flight options available from Washington to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 25, 2026.

This Air Canada deal was found by Cheapflights users on 5/20. 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 10/2710:00 am
PDX
-
YQY
2 stops21h 34m
Air Canada
Fri 10/305:45 am
YQY
-
PDX
2 stops19h 01m
Air Canada
Deal found 5/20$790
This Air Canada deal was found by Cheapflights users on 5/22. 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 10/277:45 am
SEA
-
YQY
2 stops10h 46m
Air Canada
Thu 10/295:45 am
YQY
-
SEA
2 stops19h 09m
Air Canada
Deal found 5/22$827
This Air Canada deal was found by Cheapflights users on 5/22. 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 9/138:00 am
SEA
-
YQY
1 stop12h 45m
Air Canada
Sun 9/205:05 am
YQY
-
SEA
2 stops21h 37m
Air Canada
Deal found 5/22$845
This Air Canada deal was found by Cheapflights users on 5/23. 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 6/223:00 pm
SEA
-
YQY
2 stops29h 07m
Air Canada
Mon 6/295:20 pm
YQY
-
SEA
2 stops31h 47m
Air Canada
Deal found 5/23$1,084

Find flight deals from Washington to Sydney

Keep the following information in mind while searching for Washington to Sydney flight deals. Data was last updated May 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$790
(Air Canada)

One-way from

$339
(Kiwi.com)
Provider with most accurate pricing for Seattle/Tacoma Intl-Sydney flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sydney flights.
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From Washington to Sydney
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One-way flight from Washington to Sydney
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Sydney 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 25, 2026.
Use the filters below to find and compare flights from Washington to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandSydney

PDX - YQY

PDXYQY

Portland

Tue 10/27

10:00 am-11:34 am

2 stops21h 34m

Sydney

Fri 10/30

5:45 am-8:46 pm

2 stops19h 01m

$790
Quickest round-trip

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Mon 10/26

7:45 am-10:31 pm

2 stops10h 46m

Sydney

Thu 10/29

5:45 am-8:54 pm

2 stops19h 09m

$827

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Tue 10/27

7:45 am-10:31 pm

2 stops10h 46m

Sydney

Thu 10/29

5:45 am-8:54 pm

2 stops19h 09m

$827

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Sun 9/13

8:00 am-12:45 am

1 stop12h 45m

Sydney

Sun 9/20

5:05 am-10:42 pm

2 stops21h 37m

$845

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Mon 6/22

3:00 pm-12:07 am

2 stops29h 07m

Sydney

Mon 6/29

5:20 pm-9:07 pm

2 stops31h 47m

$1,084
Cheapest one-way
Quickest one-way

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Mon 9/7

7:35 pm-7:25 pm

1 stop19h 50m

$339

SeattleSydney

SEA - YQY

SEAYQY

Seattle/Tacoma Intl

Mon 9/7

1:27 pm-7:25 pm

3 stops25h 58m

$519

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/22

Sorted by cheapest first

Best time to book a flight from Washington to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Sydney. 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 into for flights to Sydney from Washington?

    If you book a flight to Sydney from Washington, you will be flying to Sydney, which is the city’s only airport. Sydney (YQY) is located 7.0 mi from the center of Sydney.

  • How long is the flight from State of Washington to Sydney, Nova Scotia?

    Airlines like Air Canada fly from State of Washington to Sydney, Nova Scotia in about 21h 34m. The time it takes to get you to your destination can typically vary by up to . State of Washington and Sydney, Nova Scotia are separated by a distance of 2926 mi.

  • Can I find deals for flights from Washington to Sydney that include hotel bookings?

    Yes. In addition to deals on Washington to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Sydney?

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

  • Can I find deals for business class flights from Washington to Sydney?

    Yes. Cheapflights offers flight deals from Washington to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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