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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney, NS from C$ 955

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — YQY
11 Oct — 18 Oct1
1 adult
1 adult, Economy

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 11 September 2025.

Round-trip from

C$ 955
Air Canada
  • Air Canada
  • 23/11-27/11
  • 3 total stops
  • 27h 41m total
  • Washington, D.C. to Sydney
Search Deals

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 11 September 2025.

Sun 23/114:25 p.m.IAD - YQY
1 stop18h 07mAir Canada
Thu 27/1112:20 p.m.YQY - IAD
2 stops9h 34mAir Canada
Deal found 9/9C$ 955
Mon 24/1110:12 p.m.IAD - YQY
2 stops12h 20mAir Canada
Thu 27/115:30 a.m.YQY - IAD
2 stops11h 21mAir Canada
Deal found 9/9C$ 960
Sat 22/119:00 a.m.IAD - YQY
2 stops12h 29mAir Canada
Thu 27/1112:20 p.m.YQY - IAD
2 stops9h 34mAir Canada
Deal found 9/9C$ 967
Sat 18/106:30 a.m.IAD - YQY
2 stops17h 05mAir Canada
Wed 22/104:35 p.m.YQY - IAD
1 stop5h 30mAir Canada
Deal found 11/9C$ 1,025
Mon 3/119:45 a.m.IAD - YQY
2 stops24h 47mAir Canada
Fri 7/115:30 a.m.YQY - IAD
2 stops11h 21mAir Canada
Deal found 11/9C$ 1,028
Sun 23/119:00 a.m.IAD - YQY
1 stop25h 32mAir Canada
Fri 28/115:30 a.m.YQY - IAD
1 stop6h 53mAir Canada
Deal found 10/9C$ 1,052
Tue 4/1112:40 p.m.IAD - YQY
2 stops8h 49mAir Canada
Sun 9/115:30 a.m.YQY - IAD
2 stops11h 21mAir Canada
Deal found 10/9C$ 1,120

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 629,999 searches. Data last updated 11 September 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

Mon 24/11

10:11 p.m.-11:32 a.m.

1 stop12h 21m

Sydney

Thu 27/11

5:30 a.m.-4:27 p.m.

2 stops11h 57m

C$ 955

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 22/11

9:00 a.m.-10:29 p.m.

2 stops12h 29m

Sydney

Thu 27/11

12:20 p.m.-8:54 p.m.

2 stops9h 34m

C$ 967

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sun 23/11

4:25 p.m.-11:32 a.m.

1 stop18h 07m

Sydney

Thu 27/11

5:30 a.m.-11:23 a.m.

1 stop6h 53m

C$ 973

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 3/11

9:45 a.m.-11:32 a.m.

2 stops24h 47m

Sydney

Fri 7/11

5:30 a.m.-3:51 p.m.

2 stops11h 21m

C$ 1,028

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sun 23/11

9:00 a.m.-11:32 a.m.

1 stop25h 32m

Sydney

Fri 28/11

12:20 p.m.-8:54 p.m.

2 stops9h 34m

C$ 1,028

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 18/10

5:22 p.m.-12:35 a.m.

1 stop6h 13m

Sydney

Wed 22/10

4:35 p.m.-9:05 p.m.

1 stop5h 30m

C$ 1,039

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 18/10

6:30 a.m.-12:35 a.m.

2 stops17h 05m

Sydney

Wed 22/10

4:35 p.m.-12:21 a.m.

2 stops8h 46m

C$ 1,039

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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?

    Located just 11.2 km from the city centre, Sydney is the airport most travellers will use when flying to Sydney from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to Sydney (YQY) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 0 different airlines.

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

    Airlines like Air Canada fly from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia in about 12h 21m. The time it takes to get you to your destination can typically vary by up to . The distance between Washington, D.C. Dulles Intl Airport and Sydney, Nova Scotia is about 1629 km.

  • 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.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia (average of C$ 375). Flying from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). 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.

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Alternative routes for Dulles Intl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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