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Cheap flights from Washington, D.C. Dulles Intl Airport to Sydney from $681

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 5/19. 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
4:10 pm - 12:14 am
IAD
-
YQY
7h 04m
1 stop
Air Canada Logo
5:05 am - 8:29 pm
YQY
-
IAD
16h 24m
1 stop
$681Air Canada
Tue, May 19 - Sat, May 23
Air Canada Logo
9:55 am - 11:24 pm
IAD
-
YQY
12h 29m
1 stop
Air Canada Logo
12:30 pm - 8:29 pm
YQY
-
IAD
8h 59m
1 stop
$724Air Canada
Mon, Apr 6 - Mon, Apr 13
Air Canada Logo
9:55 am - 11:23 pm
IAD
-
YQY
12h 28m
1 stop
Air Canada Logo
5:20 am - 3:46 pm
YQY
-
IAD
11h 26m
2 stops
$761Air Canada
Mon, Mar 16 - Wed, Mar 18
Air Canada Logo
9:00 am - 11:23 pm
IAD
-
YQY
13h 23m
2 stops
Air Canada Logo
5:20 am - 3:46 pm
YQY
-
IAD
11h 26m
2 stops
$769Air Canada
Mon, Mar 16 - Wed, Mar 18
Air Canada Logo
10:30 pm - 4:39 pm
IAD
-
YQY
17h 09m
2 stops
Air Canada Logo
5:05 am - 11:20 am
YQY
-
IAD
7h 15m
1 stop
$772Air Canada
Tue, May 19 - Sat, May 23
Air Canada Logo
10:30 pm - 4:39 pm
IAD
-
YQY
17h 09m
2 stops
Air Canada Logo
5:05 am - 4:19 pm
YQY
-
IAD
12h 14m
2 stops
$775Air Canada
Tue, May 19 - Sat, May 23
Air Canada Logo
9:55 am - 11:23 pm
IAD
-
YQY
12h 28m
1 stop
Air Canada Logo
12:15 pm - 8:26 pm
YQY
-
IAD
9h 11m
1 stop
$782Air Canada
Mon, Mar 16 - Wed, Mar 18
Air Canada Logo
4:10 pm - 12:09 am
IAD
-
YQY
6h 59m
1 stop
Air Canada Logo
5:05 am - 3:29 pm
YQY
-
IAD
11h 24m
1 stop
$783Air Canada
Wed, Jun 17 - Sat, Jun 20
Air Canada Logo
9:45 am - 4:39 pm
IAD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:05 am - 3:29 pm
YQY
-
IAD
11h 24m
1 stop
$798Air Canada
Mon, Aug 10 - Thu, Aug 13
Air Canada Logo
9:00 am - 11:24 pm
IAD
-
YQY
13h 24m
2 stops
Air Canada Logo
5:30 am - 4:09 pm
YQY
-
IAD
11h 39m
2 stops
$822Air Canada
Thu, Apr 2 - Sun, Apr 5

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
May 19
IAD4:10 pmWashington, D.C. Dulles Intl
7h 04m
1 stop
YQY12:14 amSydney
May 23
YQY5:05 amSydney
16h 24m
1 stop
IAD8:29 pmWashington, D.C. Dulles Intl
$681
Air Canada
Apr 6
IAD9:55 amWashington, D.C. Dulles Intl
12h 29m
1 stop
YQY11:24 pmSydney
Apr 13
YQY12:30 pmSydney
8h 59m
1 stop
IAD8:29 pmWashington, D.C. Dulles Intl
$724
Air Canada
Mar 16
IAD9:55 amWashington, D.C. Dulles Intl
12h 28m
1 stop
YQY11:23 pmSydney
Mar 18
YQY5:20 amSydney
11h 26m
2 stops
IAD3:46 pmWashington, D.C. Dulles Intl
$760

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 832,500 searches. Data last updated February 21, 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

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 5/19

4:10 pm-12:14 am

1 stop7h 04m

Sydney

Sat 5/23

5:05 am-8:29 pm

1 stop16h 24m

$681

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 4/6

9:55 am-11:24 pm

1 stop12h 29m

Sydney

Mon 4/13

12:30 pm-8:29 pm

1 stop8h 59m

$724

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 3/16

9:55 am-11:23 pm

1 stop12h 28m

Sydney

Wed 3/18

5:20 am-3:46 pm

2 stops11h 26m

$761

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 3/16

9:00 am-11:23 pm

2 stops13h 23m

Sydney

Wed 3/18

5:20 am-3:46 pm

2 stops11h 26m

$769

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 5/19

10:30 pm-4:39 pm

2 stops17h 09m

Sydney

Sat 5/23

5:05 am-11:20 am

1 stop7h 15m

$772

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Tue 5/19

10:30 pm-4:39 pm

2 stops17h 09m

Sydney

Sat 5/23

5:05 am-4:19 pm

2 stops12h 14m

$775

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 3/16

9:55 am-11:23 pm

1 stop12h 28m

Sydney

Wed 3/18

12:15 pm-8:26 pm

1 stop9h 11m

$782

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Wed 6/17

4:10 pm-12:09 am

1 stop6h 59m

Sydney

Sat 6/20

5:05 am-3:29 pm

1 stop11h 24m

$783

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Mon 8/10

9:45 am-4:39 pm

1 stop5h 54m

Sydney

Thu 8/13

5:05 am-3:29 pm

1 stop11h 24m

$798

Washington, D.C.Sydney

IAD - YQY

IADYQY

Washington, D.C. Dulles Intl

Thu 4/2

9:00 am-11:24 pm

2 stops13h 24m

Sydney

Sun 4/5

5:30 am-4:09 pm

2 stops11h 39m

$822

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia flights?

You could potentially save up to 4% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia flight.

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

12h 28m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Sydney, Nova Scotia takes 12h 28m
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

  • How far is Washington, D.C. Dulles Intl to Sydney by plane?

    The straight-line distance from Washington, D.C. Dulles Intl to Sydney is 1005.4 mi. A reasonable flight in good conditions will take 12h 28m.

  • 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 were last updated today.

  • 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Sydney Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Cheticamp
Inverness

Why use momondo?

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

Finding the right flight to Sydney from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Sydney quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Sydney from Washington, D.C. with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Washington, D.C..

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

If you are not ready to book a flight from Washington, D.C. to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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