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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from C$ 444

This is the cheapest one-way 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 23/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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
9:45 a.m. - 4:38 p.m.
IAD
-
YQY
5h 53m
1 stop
Air Canada Logo
5:05 a.m. - 3:25 p.m.
YQY
-
IAD
11h 20m
1 stop
C$ 952Air Canada
Mon, 28 Sep - Fri, 2 Oct
Air Canada Logo
4:20 p.m. - 12:07 a.m.
IAD
-
YQY
6h 47m
1 stop
Air Canada Logo
5:00 a.m. - 3:24 p.m.
YQY
-
IAD
11h 24m
1 stop
C$ 1,002Air Canada
Wed, 29 Jul - Wed, 5 Aug
Air Canada Logo
4:00 p.m. - 4:38 p.m.
IAD
-
YQY
23h 38m
2 stops
Air Canada Logo
5:05 a.m. - 3:25 p.m.
YQY
-
IAD
11h 20m
1 stop
C$ 1,038Air Canada
Mon, 28 Sep - Fri, 2 Oct
Air Canada Logo
8:15 a.m. - 4:38 p.m.
IAD
-
YQY
7h 23m
2 stops
Air Canada Logo
5:05 a.m. - 11:23 a.m.
YQY
-
IAD
7h 18m
1 stop
C$ 1,042Air Canada
Wed, 30 Sep - Wed, 7 Oct
Air Canada Logo
8:15 a.m. - 4:38 p.m.
IAD
-
YQY
7h 23m
2 stops
Air Canada Logo
5:05 a.m. - 2:03 p.m.
YQY
-
IAD
9h 58m
2 stops
C$ 1,055Air Canada
Wed, 30 Sep - Wed, 7 Oct
Air Canada Logo
10:10 p.m. - 4:38 p.m.
IAD
-
YQY
17h 28m
2 stops
Air Canada Logo
5:05 a.m. - 2:03 p.m.
YQY
-
IAD
9h 58m
2 stops
C$ 1,061Air Canada
Mon, 28 Sep - Fri, 2 Oct
Air Canada Logo
9:45 a.m. - 4:39 p.m.
IAD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:00 a.m. - 3:24 p.m.
YQY
-
IAD
11h 24m
1 stop
C$ 1,083Air Canada
Fri, 7 Aug - Mon, 10 Aug
Air Canada Logo
4:20 p.m. - 12:07 a.m.
IAD
-
YQY
6h 47m
1 stop
Air Canada Logo
5:00 a.m. - 3:24 p.m.
YQY
-
IAD
11h 24m
1 stop
C$ 1,085Air Canada
Thu, 2 Jul - Sun, 5 Jul
Air Canada Logo
4:20 p.m. - 12:07 a.m.
IAD
-
YQY
6h 47m
1 stop
Air Canada Logo
5:00 a.m. - 2:08 p.m.
YQY
-
IAD
10h 08m
2 stops
C$ 1,106Air Canada
Wed, 29 Jul - Wed, 5 Aug
Air Canada Logo
9:45 a.m. - 4:39 p.m.
IAD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:20 p.m. - 3:24 p.m.
YQY
-
IAD
23h 04m
2 stops
C$ 1,129Air Canada
Fri, 7 Aug - Mon, 10 Aug

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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
28 Sep
IAD9:45 a.m.Washington, D.C. Dulles Intl
5h 53m
1 stop
YQY4:38 p.m.Sydney
2 Oct
YQY5:05 a.m.Sydney
11h 20m
1 stop
IAD3:25 p.m.Washington, D.C. Dulles Intl
C$ 952
Air Canada
29 Jul
IAD4:20 p.m.Washington, D.C. Dulles Intl
6h 47m
1 stop
YQY12:07 a.m.Sydney
5 Aug
YQY5:00 a.m.Sydney
11h 24m
1 stop
IAD3:24 p.m.Washington, D.C. Dulles Intl
C$ 1,002
Air Canada
28 Sep
IAD4:00 p.m.Washington, D.C. Dulles Intl
23h 38m
2 stops
YQY4:38 p.m.Sydney
2 Oct
YQY5:05 a.m.Sydney
11h 20m
1 stop
IAD3:25 p.m.Washington, D.C. Dulles Intl
C$ 1,038

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 22 April 2026.
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

Cheapest round-trip

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 28/9

9:45 a.m.-4:38 p.m.

1 stop5h 53m

Sydney

Fri 2/10

5:05 a.m.-3:25 p.m.

1 stop11h 20m

C$ 952

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Wed 29/7

4:20 p.m.-12:07 a.m.

1 stop6h 47m

Sydney

Wed 5/8

5:00 a.m.-3:24 p.m.

1 stop11h 24m

C$ 1,002

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 28/9

4:00 p.m.-4:38 p.m.

2 stops23h 38m

Sydney

Fri 2/10

5:05 a.m.-3:25 p.m.

1 stop11h 20m

C$ 1,038
Quickest round-trip

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Wed 30/9

8:15 a.m.-4:38 p.m.

2 stops7h 23m

Sydney

Wed 7/10

5:05 a.m.-11:23 a.m.

1 stop7h 18m

C$ 1,042

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Wed 30/9

8:15 a.m.-4:38 p.m.

2 stops7h 23m

Sydney

Wed 7/10

5:05 a.m.-2:03 p.m.

2 stops9h 58m

C$ 1,055

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 28/9

10:10 p.m.-4:38 p.m.

2 stops17h 28m

Sydney

Fri 2/10

5:05 a.m.-2:03 p.m.

2 stops9h 58m

C$ 1,061

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Fri 7/8

9:45 a.m.-4:39 p.m.

1 stop5h 54m

Sydney

Mon 10/8

5:00 a.m.-3:24 p.m.

1 stop11h 24m

C$ 1,083

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 2/7

4:20 p.m.-12:07 a.m.

1 stop6h 47m

Sydney

Sun 5/7

5:00 a.m.-3:24 p.m.

1 stop11h 24m

C$ 1,085

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Wed 29/7

4:20 p.m.-12:07 a.m.

1 stop6h 47m

Sydney

Wed 5/8

5:00 a.m.-2:08 p.m.

2 stops10h 08m

C$ 1,106

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Fri 7/8

9:45 a.m.-4:39 p.m.

1 stop5h 54m

Sydney

Mon 10/8

5:20 p.m.-3:24 p.m.

2 stops23h 04m

C$ 1,129

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Sydney?

Air Canada is the most popular carrier operating from Washington, D.C. Dulles Intl to Sydney

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

Fastest flight time

7h 09m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia takes 7h 09m
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.
Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia

  • 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 7h 09m 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.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Sydney?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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.

How can momondo help me find flights from Washington, D.C. to Sydney?

Once all potential Washington, D.C. to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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