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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from C$ 1,271

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Sydney departing on 11/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
10:12 p.m. - 11:32 a.m.IAD-YQY
12h 20m2 stops
Air Canada Logo
5:15 a.m. - 3:46 p.m.YQY-IAD
11h 31m2 stops
C$ 1,271Air Canada
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Multiple Airlines Logo
1:20 p.m. - 11:18 p.m.IAD-YQY
8h 58m1 stop
Multiple Airlines Logo
5:15 a.m. - 3:46 p.m.YQY-IAD
11h 31m2 stops
C$ 1,293Multiple Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Air Canada Logo
9:45 a.m. - 10:53 p.m.IAD-YQY
12h 08m1 stop
Air Canada Logo
12:15 p.m. - 8:26 p.m.YQY-IAD
9h 11m1 stop
C$ 1,333Air Canada
Find Deal
Sat, 3 Jan - Wed, 7 Jan
Multiple Airlines Logo
1:20 p.m. - 11:18 p.m.IAD-YQY
8h 58m1 stop
Multiple Airlines Logo
5:15 a.m. - 4:21 p.m.YQY-IAD
12h 06m1 stop
C$ 1,342Multiple Airlines
Find Deal
Tue, 11 Nov - Tue, 18 Nov
Air Canada Logo
9:45 a.m. - 10:53 p.m.IAD-YQY
12h 08m1 stop
Air Canada Logo
12:15 p.m. - 9:17 p.m.YQY-IAD
10h 02m2 stops
C$ 1,344Air Canada
Find Deal
Sat, 3 Jan - Wed, 7 Jan
Air Canada Logo
6:30 a.m. - 11:32 a.m.IAD-YQY
28h 02m2 stops
Air Canada Logo
5:30 a.m. - 3:46 p.m.YQY-IAD
11h 16m2 stops
C$ 1,370Air Canada
Find Deal
Sat, 3 Jan - Wed, 7 Jan
Air Canada Logo
9:00 a.m. - 10:53 p.m.IAD-YQY
12h 53m2 stops
Air Canada Logo
5:30 a.m. - 3:54 p.m.YQY-IAD
11h 24m2 stops
C$ 1,397Air Canada
Find Deal
Thu, 12 Mar - Mon, 16 Mar
Air Canada Logo
9:55 a.m. - 10:53 p.m.IAD-YQY
11h 58m1 stop
Air Canada Logo
5:30 a.m. - 3:54 p.m.YQY-IAD
11h 24m2 stops
C$ 1,401Air Canada
Find Deal
Thu, 12 Mar - Mon, 16 Mar
Air Canada Logo
9:55 a.m. - 10:53 p.m.IAD-YQY
11h 58m1 stop
Air Canada Logo
12:15 p.m. - 8:29 p.m.YQY-IAD
9h 14m1 stop
C$ 1,433Air Canada
Find Deal
Thu, 12 Mar - Mon, 16 Mar

Air Canada flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia

Our best Air Canada deals on Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia flight tickets
Air Canada
11 Nov
IAD10:12 p.m.Washington, D.C. Dulles Intl
12h 20m
2 stops
YQY11:32 a.m.Sydney
18 Nov
YQY5:15 a.m.Sydney
11h 31m
2 stops
IAD3:46 p.m.Washington, D.C. Dulles Intl
C$ 1,271
Find similar
Air Canada
3 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
12h 08m
1 stop
YQY10:53 p.m.Sydney
7 Jan
YQY12:15 p.m.Sydney
9h 11m
1 stop
IAD8:26 p.m.Washington, D.C. Dulles Intl
C$ 1,333
Find similar
Air Canada
3 Jan
IAD9:45 a.m.Washington, D.C. Dulles Intl
12h 08m
1 stop
YQY10:53 p.m.Sydney
7 Jan
YQY12:15 p.m.Sydney
10h 02m
2 stops
IAD9:17 p.m.Washington, D.C. Dulles Intl
C$ 1,344
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia 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, momondo users made 96,600 searches. Data last updated 13 October 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 11/11

10:12 p.m.-11:32 a.m.

2 stops12h 20m

Sydney

Tue 18/11

5:15 a.m.-3:46 p.m.

2 stops11h 31m

C$ 1,271

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 11/11

1:20 p.m.-11:18 p.m.

1 stop8h 58m

Sydney

Tue 18/11

5:15 a.m.-3:46 p.m.

2 stops11h 31m

C$ 1,293

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 3/1

9:45 a.m.-10:53 p.m.

1 stop12h 08m

Sydney

Wed 7/1

12:15 p.m.-8:26 p.m.

1 stop9h 11m

C$ 1,333

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 11/11

1:20 p.m.-11:18 p.m.

1 stop8h 58m

Sydney

Tue 18/11

5:15 a.m.-4:21 p.m.

1 stop12h 06m

C$ 1,342

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 3/1

9:45 a.m.-10:53 p.m.

1 stop12h 08m

Sydney

Wed 7/1

12:15 p.m.-9:17 p.m.

2 stops10h 02m

C$ 1,344

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 3/1

6:30 a.m.-11:32 a.m.

2 stops28h 02m

Sydney

Wed 7/1

5:30 a.m.-3:46 p.m.

2 stops11h 16m

C$ 1,370

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 12/3

9:00 a.m.-10:53 p.m.

2 stops12h 53m

Sydney

Mon 16/3

5:30 a.m.-3:54 p.m.

2 stops11h 24m

C$ 1,397

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 12/3

9:55 a.m.-10:53 p.m.

1 stop11h 58m

Sydney

Mon 16/3

5:30 a.m.-3:54 p.m.

2 stops11h 24m

C$ 1,401

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 12/3

9:55 a.m.-10:53 p.m.

1 stop11h 58m

Sydney

Mon 16/3

12:15 p.m.-8:29 p.m.

1 stop9h 14m

C$ 1,433

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia (IAD to YQY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia

Direct flights

None
There are no direct flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia.
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  • How far is Washington, D.C. Dulles Intl to Sydney by plane?

    There are 1618.1 km between Washington, D.C. Dulles Intl and Sydney. Typically, this will take 8h 58m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Sydney Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Sydney Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Sydney Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Sydney Airport.

  • What documentation or ID do you need to fly to Sydney Airport?

    The travel and health documents you'll need for your trip to Sydney Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia?

    Price Alerts will notify you by email when the price for flights to Sydney, Nova Scotia from Washington, D.C. Dulles Intl Airport decreases. To activate this, select your desired travel dates and search for offers. While browsing through offers you’ll see the Price Alert widget toggle. Click it to turn on notifications.

  • How can I save money on flights from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Can I find flights from Washington, D.C. to Sydney with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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