Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from C$ 652

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 29/12. 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
1 adult, Economy, 0 bags

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
4:00 p.m. - 12:45 a.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
7h 45m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 4:38 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
12h 33m1 stop Toronto Pearson Intl
C$ 1,143Air Canada
Thu, 10 Sep - Sun, 13 Sep
Air Canada Logo
9:45 a.m. - 4:12 p.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
5h 27m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:05 a.m. - 3:25 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
11h 20m1 stop Toronto Pearson Intl
C$ 1,149Air Canada
Tue, 29 Sep - Fri, 2 Oct
Multiple Airlines Logo
9:45 a.m. - 4:20 p.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
5h 35m1 stop Montreal Pierre Elliott Trudeau Intl
Multiple Airlines Logo
5:05 a.m. - 11:21 a.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
7h 16m1 stop Toronto Pearson Intl
C$ 1,150Multiple Airlines
Sun, 23 Aug - Tue, 25 Aug
Multiple Airlines Logo
12:43 p.m. - 12:12 a.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
10h 29m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Multiple Airlines Logo
5:05 a.m. - 11:21 a.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
7h 16m1 stop Toronto Pearson Intl
C$ 1,180Multiple Airlines
Sun, 23 Aug - Tue, 25 Aug
Air Canada Logo
9:55 a.m. - 12:26 a.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
13h 31m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
12:10 p.m. - 8:10 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
9h 00m1 stop Toronto Pearson Intl
C$ 1,190Air Canada
Sun, 1 Nov - Tue, 3 Nov
Air Canada Logo
9:45 a.m. - 4:12 p.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
5h 27m1 stop Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:20 p.m. - 3:25 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
23h 05m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
C$ 1,194Air Canada
Tue, 29 Sep - Fri, 2 Oct
Air Canada Logo
5:20 p.m. - 4:12 p.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
21h 52m2 stops Toronto Island Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
5:05 a.m. - 4:38 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
12h 33m1 stop Toronto Pearson Intl
C$ 1,222Air Canada
Thu, 10 Sep - Sun, 13 Sep
Air Canada Logo
12:43 p.m. - 12:12 a.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
10h 29m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 3:01 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
10h 56m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,232Air Canada
Sun, 23 Aug - Tue, 25 Aug
Air Canada Logo
6:13 a.m. - 12:45 a.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
17h 32m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 3:00 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
10h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,234Air Canada
Thu, 10 Sep - Sun, 13 Sep
Air Canada Logo
1:10 p.m. - 12:45 a.m.IAD  Washington, D.C. Dulles Intl-YQY Sydney
10h 35m2 stops Chicago O'Hare Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 3:00 p.m.YQY  Sydney-IAD Washington, D.C. Dulles Intl
10h 55m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,257Air Canada
Tue, 29 Sep - Fri, 2 Oct

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
10 Sep
IAD4:00 p.m.Washington, D.C. Dulles Intl
7h 45m
1 stop
YQY12:45 a.m.Sydney
13 Sep
YQY5:05 a.m.Sydney
12h 33m
1 stop
IAD4:38 p.m.Washington, D.C. Dulles Intl
C$ 1,143
Air Canada
29 Sep
IAD9:45 a.m.Washington, D.C. Dulles Intl
5h 27m
1 stop
YQY4:12 p.m.Sydney
2 Oct
YQY5:05 a.m.Sydney
11h 20m
1 stop
IAD3:25 p.m.Washington, D.C. Dulles Intl
C$ 1,149
Air Canada
1 Nov
IAD9:55 a.m.Washington, D.C. Dulles Intl
13h 31m
1 stop
YQY12:26 a.m.Sydney
3 Nov
YQY12:10 p.m.Sydney
9h 00m
1 stop
IAD8:10 p.m.Washington, D.C. Dulles Intl
C$ 1,190

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 6 August 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 Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Thu 10/9

4:00 p.m.-12:45 a.m.

1 stop7h 45m

Sydney

Sun 13/9

5:05 a.m.-4:38 p.m.

1 stop12h 33m

C$ 1,143

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Tue 29/9

9:45 a.m.-4:12 p.m.

1 stop5h 27m

Sydney

Fri 2/10

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

1 stop11h 20m

C$ 1,149
Quickest round-trip

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Sun 23/8

9:45 a.m.-4:20 p.m.

1 stop5h 35m

Sydney

Tue 25/8

5:05 a.m.-11:21 a.m.

1 stop7h 16m

C$ 1,150

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Sun 23/8

12:43 p.m.-12:12 a.m.

2 stops10h 29m

Sydney

Tue 25/8

5:05 a.m.-11:21 a.m.

1 stop7h 16m

C$ 1,180

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Sun 1/11

9:55 a.m.-12:26 a.m.

1 stop13h 31m

Sydney

Tue 3/11

12:10 p.m.-8:10 p.m.

1 stop9h 00m

C$ 1,190

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Tue 29/9

9:45 a.m.-4:12 p.m.

1 stop5h 27m

Sydney

Fri 2/10

5:20 p.m.-3:25 p.m.

2 stops23h 05m

C$ 1,194

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Thu 10/9

5:20 p.m.-4:12 p.m.

2 stops21h 52m

Sydney

Sun 13/9

5:05 a.m.-4:38 p.m.

1 stop12h 33m

C$ 1,222

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Sun 23/8

12:43 p.m.-12:12 a.m.

2 stops10h 29m

Sydney

Tue 25/8

5:05 a.m.-3:01 p.m.

2 stops10h 56m

C$ 1,232

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Thu 10/9

6:13 a.m.-12:45 a.m.

2 stops17h 32m

Sydney

Sun 13/9

5:05 a.m.-3:00 p.m.

2 stops10h 55m

C$ 1,234

Washington, D.C.Sydney

IAD Washington, D.C. Dulles Intl - YQY Sydney

IADYQY

Washington, D.C. Dulles Intl

Tue 29/9

1:10 p.m.-12:45 a.m.

2 stops10h 35m

Sydney

Fri 2/10

5:05 a.m.-3:00 p.m.

2 stops10h 55m

C$ 1,257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

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

5h 35m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia takes 5h 35m
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 5h 35m 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
Cheticamp

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.

An easier way to manage your Sydney, Nova Scotia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/9
Sat 12/9
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport