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$349+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQY
feb. 26 — mar. 51
jue. 2/26
jue. 3/5
1 adult, Economy
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Cheap 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 enero 27, 2026.

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.
vie. 6/199:45 am
IAD
-
YQY
1 stop5h 54m
Air Canada
mar. 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 1/24. 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.
lun. 2/239:45 am
IAD
-
YQY
1 stop12h 38m
Air Canada
mié. 2/255:20 am
YQY
-
IAD
2 stops11h 29m
Air Canada
Deal found 1/24$786

Find 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 enero 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$748
(Air Canada)

One-way from

$349
(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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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 enero 27, 2026.
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

vie. 6/19

9:45 am-4:39 pm

1 stop5h 54m

Sydney

mar. 6/23

5:05 am-3:29 pm

1 stop11h 24m

$777

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

lun. 2/23

9:45 am-11:23 pm

1 stop12h 38m

Sydney

mié. 2/25

5:20 am-3:49 pm

2 stops11h 29m

$786

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

jue. 7/16

9:45 am-4:39 pm

1 stop5h 54m

$349

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

sáb. 7/18

9:45 am-4:39 pm

1 stop5h 54m

$349

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

lun. 7/6

6:45 pm-6:51 pm

1 stop23h 06m

$597

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

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 5h 54m. 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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