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Cheap flights from Chicago to Sydney from $624

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 3/12. 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
0 bags

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Find the cheapest flights from Chicago to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:35 pm - 11:23 pm
ORD
-
YQY
5h 48m
1 stop
Air Canada Logo
5:20 am - 1:01 pm
YQY
-
ORD
9h 41m
2 stops
$624Air Canada
Thu, Mar 12 - Wed, Mar 18
Air Canada Logo
3:35 pm - 11:23 pm
ORD
-
YQY
5h 48m
1 stop
Air Canada Logo
5:20 am - 11:18 am
YQY
-
ORD
7h 58m
1 stop
$658Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
3:35 pm - 11:23 pm
ORD
-
YQY
5h 48m
1 stop
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$667Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
12:50 pm - 11:23 pm
ORD
-
YQY
8h 33m
1 stop
Air Canada Logo
5:20 am - 8:10 pm
YQY
-
ORD
16h 50m
1 stop
$668Air Canada
Thu, Mar 12 - Wed, Mar 18
Air Canada Logo
3:35 pm - 11:23 pm
ORD
-
YQY
5h 48m
1 stop
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$677Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
7:15 am - 11:32 am
ORD
-
YQY
26h 17m
2 stops
Air Canada Logo
5:20 am - 11:18 am
YQY
-
ORD
7h 58m
1 stop
$697Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
7:15 am - 11:23 pm
ORD
-
YQY
14h 08m
1 stop
Air Canada Logo
5:20 am - 11:18 am
YQY
-
ORD
7h 58m
1 stop
$699Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
3:35 pm - 11:32 am
ORD
-
YQY
17h 57m
2 stops
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$700Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
3:35 pm - 11:32 am
ORD
-
YQY
17h 57m
2 stops
Air Canada Logo
5:20 am - 11:18 am
YQY
-
ORD
7h 58m
1 stop
$702Air Canada
Sun, Mar 15 - Thu, Mar 19
Air Canada Logo
7:15 am - 11:32 am
ORD
-
YQY
26h 17m
2 stops
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$705Air Canada
Sun, Mar 15 - Thu, Mar 19

Air Canada flights from Chicago to Sydney, Nova Scotia

Our best Air Canada deals on Chicago to Sydney, Nova Scotia flight tickets
Air Canada
Mar 12
ORD3:35 pmChicago O'Hare Intl
5h 48m
1 stop
YQY11:23 pmSydney
Mar 18
YQY5:20 amSydney
9h 41m
2 stops
ORD1:01 pmChicago O'Hare Intl
$624
Air Canada
Mar 15
ORD3:35 pmChicago O'Hare Intl
5h 48m
1 stop
YQY11:23 pmSydney
Mar 19
YQY5:20 amSydney
7h 58m
1 stop
ORD11:18 amChicago O'Hare Intl
$658
Air Canada
Mar 15
ORD3:35 pmChicago O'Hare Intl
5h 48m
1 stop
YQY11:23 pmSydney
Mar 19
YQY12:15 pmSydney
9h 55m
2 stops
ORD8:10 pmChicago O'Hare Intl
$667

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 13, 2026.
Use the filters below to find and compare flights from Chicago to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 3/12

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Wed 3/18

5:20 am-1:01 pm

2 stops9h 41m

$624

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Thu 3/19

5:20 am-11:18 am

1 stop7h 58m

$658

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Thu 3/19

12:15 pm-8:10 pm

2 stops9h 55m

$667

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 3/12

12:50 pm-11:23 pm

1 stop8h 33m

Sydney

Wed 3/18

5:20 am-8:10 pm

1 stop16h 50m

$668

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Thu 3/19

12:15 pm-8:10 pm

2 stops9h 55m

$677

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

7:15 am-11:32 am

2 stops26h 17m

Sydney

Thu 3/19

5:20 am-11:18 am

1 stop7h 58m

$697

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

7:15 am-11:23 pm

1 stop14h 08m

Sydney

Thu 3/19

5:20 am-11:18 am

1 stop7h 58m

$699

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

3:35 pm-11:32 am

2 stops17h 57m

Sydney

Thu 3/19

12:15 pm-8:10 pm

2 stops9h 55m

$700

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

3:35 pm-11:32 am

2 stops17h 57m

Sydney

Thu 3/19

5:20 am-11:18 am

1 stop7h 58m

$702

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 3/15

7:15 am-11:32 am

2 stops26h 17m

Sydney

Thu 3/19

12:15 pm-8:10 pm

2 stops9h 55m

$705

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago to Sydney, Nova Scotia

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

Cheap Chicago to Sydney, Nova Scotia (CHI to YQY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Sydney, Nova Scotia

Fastest flight time

5h 54m

Direct flights

None
The fastest flight from Chicago to Sydney, Nova Scotia takes 5h 54m
There are no direct flights from Chicago to Sydney, Nova Scotia. There are no popular flight routes from Chicago to Sydney, Nova Scotia.
Search flight deals

  • How far is Chicago to Sydney by plane?

    A flight from Chicago to Sydney will travel around 1386.6 mi. Flights usually cover this in 5h 54m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Chicago to Sydney Airport?

    Prices for flights from Chicago to Sydney Airport refresh daily.

  • How old do you have to be to fly from Chicago to Sydney Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Sydney Airport.

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

    The necessary travel and health documents for your Sydney Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Chicago to Sydney, Nova Scotia?

    Confirm your travel details to search for the latest offers for flights from Chicago to Sydney, Nova Scotia. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from Chicago to Sydney, Nova Scotia with momondo?

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • 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.

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 Chicago to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Chicago.

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

Yes. All flights to Sydney from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Sydney?

Once you have performed a search for Chicago to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Chicago 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.

An easier way to manage your Sydney, Nova Scotia trip

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Sun 3/15
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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport