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$466+ Cheap flights from Dulles Intl (IAD) 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 12/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQY
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$900
(Air Canada)

One-way from

$466
(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. Dulles Intl to Sydney
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One-way flight from Washington, D.C. Dulles Intl to Sydney
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Find flight deals from Dulles Intl to Sydney

Cheapest flights from Dulles Intl to Sydney
Explore the most affordable flight options available from Dulles Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 28, 2025.

This Air Canada deal was found by Cheapflights users on 10/27. 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.
Thu 12/111:20 pmIAD - YQY
1 stop9h 48mMultiple Airlines
Thu 12/185:15 amYQY - IAD
1 stop7h 20mMultiple Airlines
Deal found 10/27$906
This Air Canada deal was found by Cheapflights users on 10/27. 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.
Thu 12/111:10 pmIAD - YQY
2 stops9h 58mAir Canada
Thu 12/1812:15 pmYQY - IAD
2 stops9h 44mAir Canada
Deal found 10/27$1,144

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 October 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney that are best for you.

Fly from

Dulles Intl

Fly to

Sydney

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 12/11

1:20 pm-12:08 am

1 stop9h 48m

Sydney

Thu 12/18

5:15 am-11:35 am

1 stop7h 20m

$906

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 12/11

1:10 pm-12:08 am

2 stops9h 58m

Sydney

Thu 12/18

12:15 pm-8:59 pm

2 stops9h 44m

$1,144

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 12/15

10:11 pm-11:32 am

1 stop12h 21m

$466

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Best time to book a flight from Dulles Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Dulles Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    Sydney (YQY), located 7.0 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Sydney. 0 airlines have flights to Sydney from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Sydney should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

    Air Canada can get you from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia in just under 9h 58m. Your travel time can differ by up to . Washington, D.C. Dulles Intl Airport and Sydney, Nova Scotia are separated by a distance of 1012 mi.

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

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

  • How can I find direct flights from Dulles Intl to Sydney?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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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