Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from C$ 479

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

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

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$ 1,011Air Canada
Mon, 14 Sep - Sun, 20 Sep
Air Canada Logo
9:00 a.m. - 10:31 p.m.
IAD
-
YQY
12h 31m
2 stops
Air Canada Logo
5:45 a.m. - 4:15 p.m.
YQY
-
IAD
11h 30m
2 stops
C$ 1,015Air Canada
Thu, 29 Oct - Sun, 1 Nov
Air Canada Logo
9:45 a.m. - 10:31 p.m.
IAD
-
YQY
11h 46m
1 stop
Air Canada Logo
12:15 p.m. - 8:26 p.m.
YQY
-
IAD
9h 11m
1 stop
C$ 1,052Air Canada
Thu, 29 Oct - Sun, 1 Nov
Air Canada Logo
9:45 a.m. - 4:14 p.m.
IAD
-
YQY
5h 29m
1 stop
Air Canada Logo
5:00 a.m. - 3:24 p.m.
YQY
-
IAD
11h 24m
1 stop
C$ 1,055Air Canada
Sun, 5 Jul - Wed, 8 Jul
Air Canada Logo
4:20 p.m. - 12:12 a.m.
IAD
-
YQY
6h 52m
1 stop
Air Canada Logo
5:00 a.m. - 3:24 p.m.
YQY
-
IAD
11h 24m
1 stop
C$ 1,062Air Canada
Sat, 1 Aug - Fri, 7 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$ 1,100Air Canada
Fri, 28 Aug - Mon, 31 Aug
Air Canada Logo
4:05 p.m. - 12:09 a.m.
IAD
-
YQY
7h 04m
1 stop
Air Canada Logo
5:05 a.m. - 3:29 p.m.
YQY
-
IAD
11h 24m
1 stop
C$ 1,144Air Canada
Thu, 11 Jun - Wed, 17 Jun
Air Canada Logo
9:45 a.m. - 4:14 p.m.
IAD
-
YQY
5h 29m
1 stop
Air Canada Logo
5:00 a.m. - 3:01 p.m.
YQY
-
IAD
11h 01m
2 stops
C$ 1,203Air Canada
Sun, 5 Jul - Wed, 8 Jul
Air Canada Logo
8:18 a.m. - 4:14 p.m.
IAD
-
YQY
6h 56m
2 stops
Air Canada Logo
5:00 a.m. - 3:01 p.m.
YQY
-
IAD
11h 01m
2 stops
C$ 1,286Air Canada
Sun, 5 Jul - Wed, 8 Jul
Air Canada Logo
1:10 p.m. - 12:12 a.m.
IAD
-
YQY
10h 02m
2 stops
Air Canada Logo
5:00 a.m. - 3:01 p.m.
YQY
-
IAD
11h 01m
2 stops
C$ 1,326Air Canada
Fri, 28 Aug - Mon, 31 Aug

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
14 Sep
IAD9:45 a.m.Washington, D.C. Dulles Intl
5h 53m
1 stop
YQY4:38 p.m.Sydney
20 Sep
YQY5:05 a.m.Sydney
11h 20m
1 stop
IAD3:25 p.m.Washington, D.C. Dulles Intl
C$ 1,011
Air Canada
29 Oct
IAD9:00 a.m.Washington, D.C. Dulles Intl
12h 31m
2 stops
YQY10:31 p.m.Sydney
1 Nov
YQY5:45 a.m.Sydney
11h 30m
2 stops
IAD4:15 p.m.Washington, D.C. Dulles Intl
C$ 1,015
Air Canada
29 Oct
IAD9:45 a.m.Washington, D.C. Dulles Intl
11h 46m
1 stop
YQY10:31 p.m.Sydney
1 Nov
YQY12:15 p.m.Sydney
9h 11m
1 stop
IAD8:26 p.m.Washington, D.C. Dulles Intl
C$ 1,052

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 14 May 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 14/9

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

1 stop5h 53m

Sydney

Sun 20/9

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

1 stop11h 20m

C$ 1,011

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 29/10

9:00 a.m.-10:31 p.m.

2 stops12h 31m

Sydney

Sun 1/11

5:45 a.m.-4:15 p.m.

2 stops11h 30m

C$ 1,015

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 29/10

9:45 a.m.-10:31 p.m.

1 stop11h 46m

Sydney

Sun 1/11

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

1 stop9h 11m

C$ 1,052

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sun 5/7

9:45 a.m.-4:14 p.m.

1 stop5h 29m

Sydney

Wed 8/7

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

1 stop11h 24m

C$ 1,055

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sat 1/8

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

1 stop6h 52m

Sydney

Fri 7/8

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

1 stop11h 24m

C$ 1,062

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Fri 28/8

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

1 stop5h 54m

Sydney

Mon 31/8

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

2 stops23h 04m

C$ 1,100

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 11/6

4:05 p.m.-12:09 a.m.

1 stop7h 04m

Sydney

Wed 17/6

5:05 a.m.-3:29 p.m.

1 stop11h 24m

C$ 1,144
Quickest round-trip

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sun 5/7

9:45 a.m.-4:14 p.m.

1 stop5h 29m

Sydney

Wed 8/7

5:00 a.m.-3:01 p.m.

2 stops11h 01m

C$ 1,203

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Sun 5/7

8:18 a.m.-4:14 p.m.

2 stops6h 56m

Sydney

Wed 8/7

5:00 a.m.-3:01 p.m.

2 stops11h 01m

C$ 1,286

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Fri 28/8

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

2 stops10h 02m

Sydney

Mon 31/8

5:00 a.m.-3:01 p.m.

2 stops11h 01m

C$ 1,326

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 29m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia takes 5h 29m
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 29m 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 13/6
Sat 20/6
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