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$354+ Cheap flights from Washington, D.C. (WAS) 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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — YQY
Feb 27 — Mar 61
Fri 2/27
Fri 3/6
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Sydney

Cheapest flights from Washington, D.C. to Sydney
Explore the most affordable flight options available from Washington, D.C. to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.

This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/312:33 pm
IAD
-
YQY
2 stops9h 50m
Air Canada
Sat 3/75:20 am
YQY
-
IAD
2 stops11h 29m
Air Canada
Deal found 1/27$748
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/84:10 pm
IAD
-
YQY
1 stop7h 04m
Air Canada
Wed 5/135:05 am
YQY
-
IAD
2 stops12h 25m
Air Canada
Deal found 1/27$769
This Air Canada deal was found by Cheapflights users on 1/26. 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.
Fri 6/199:45 am
IAD
-
YQY
1 stop5h 54m
Air Canada
Tue 6/235:05 am
YQY
-
IAD
1 stop11h 24m
Air Canada
Deal found 1/26$777
This Air Canada deal was found by Cheapflights users on 1/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:45 am
IAD
-
YQY
1 stop5h 54m
Multiple Airlines
Wed 5/135:05 am
YQY
-
IAD
1 stop12h 04m
Multiple Airlines
Deal found 1/27$779
This Air Canada deal was found by Cheapflights users on 1/25. 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 2/2312:33 pm
IAD
-
YQY
1 stop21h 59m
Air Canada
Wed 2/255:20 am
YQY
-
IAD
2 stops11h 29m
Air Canada
Deal found 1/25$791
This Air Canada deal was found by Cheapflights users on 1/25. 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.
Fri 2/204:15 pm
DCA
-
YQY
1 stop6h 08m
Air Canada
Mon 2/235:20 am
YQY
-
DCA
1 stop6h 01m
Air Canada
Deal found 1/25$807

Find flight deals from Washington, D.C. to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Sydney (YQY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$748
(Air Canada)

One-way from

$354
(Air Canada)
Provider with most accurate pricing for Washington, D.C. (WAS)-Sydney flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Sydney flights.
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From Washington, D.C. (WAS) to Sydney
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One-way flight from Washington, D.C. (WAS) to Sydney
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 January 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Sydney that are best for you.

Fly from

Washington, D.C.

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 3/3

12:33 pm-11:23 pm

2 stops9h 50m

Sydney

Sat 3/7

5:20 am-3:49 pm

2 stops11h 29m

$748

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Fri 5/8

4:10 pm-12:14 am

1 stop7h 04m

Sydney

Wed 5/13

5:05 am-4:30 pm

2 stops12h 25m

$769

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Fri 5/8

9:45 am-4:39 pm

1 stop5h 54m

Sydney

Wed 5/13

5:05 am-4:09 pm

1 stop12h 04m

$779

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 2/23

12:33 pm-11:32 am

1 stop21h 59m

Sydney

Wed 2/25

5:20 am-3:49 pm

2 stops11h 29m

$791

Washington, D.C.Sydney

DCA - YQY

DCAYQY

Washington, D.C. Reagan-National

Fri 2/20

12:55 pm-11:23 pm

2 stops9h 28m

Sydney

Mon 2/23

5:20 am-10:21 am

1 stop6h 01m

$807

Washington, D.C.Sydney

DCA - YQY

DCAYQY

Washington, D.C. Reagan-National

Sun 7/5

9:40 am-4:39 pm

1 stop5h 59m

$354

Washington, D.C.Sydney

DCA - YQY

DCAYQY

Washington, D.C. Reagan-National

Sat 7/4

6:59 am-4:39 pm

2 stops8h 40m

$363

Washington, D.C.Sydney

DCA - YQY

DCAYQY

Washington, D.C. Reagan-National

Mon 7/6

8:40 pm-4:39 pm

2 stops18h 59m

$387

Washington, D.C.Sydney

DCA - YQY

DCAYQY

Washington, D.C. Reagan-National

Tue 7/7

8:40 pm-4:39 pm

2 stops18h 59m

$387

Washington, D.C.Sydney

DCA - YQY

DCAYQY

Washington, D.C. Reagan-National

Fri 7/3

4:20 pm-12:07 am

2 stops30h 47m

$487

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

Showing 1-10 of 11 results
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C.-Sydney, Nova Scotia flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Sydney, Nova Scotia flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Sydney, Nova Scotia flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Sydney, Nova Scotia flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Sydney, Nova Scotia flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Washington, D.C. 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, D.C. 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, D.C. 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, D.C.?

    For a flight from Washington, D.C. to Sydney, you will be flying into Sydney. Sydney (YQY) is just 7.0 mi from the center of the city. Sydney is the only Sydney airport and it handles 0 inbound flights from Washington, D.C. per day. 0 airlines have flights to Sydney from Washington, D.C. on a regular basis.

  • How long is the flight from Washington, D.C. to Sydney, Nova Scotia?

    There are many flights that can get you from Washington, D.C. to Sydney, Nova Scotia in 9h 50m. Fly via Air Canada to get the fastest option. Washington, D.C. and Sydney, Nova Scotia are separated by a distance of 1012 mi.

  • What are the most popular routes from Washington, D.C. to Sydney, Nova Scotia?

    Most travelers choose Washington, D.C. Dulles Intl - Sydney, Baltimore/Washington - Sydney or Washington, D.C. Reagan-National - Sydney when deciding on the best route from Washington, D.C. to Sydney, Nova Scotia.

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

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

  • How can I find direct flights from Washington, D.C. to Sydney?

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

  • Can I find deals for business class flights from Washington, D.C. to Sydney?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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