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Cheap flights from Chicago to Sydney from $339

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 4/24. 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
8:45 am - 4:38 pm
ORD
-
YQY
5h 53m
1 stop
Air Canada Logo
5:05 am - 9:00 am
YQY
-
ORD
5h 55m
1 stop
$656Air Canada
Tue, Sep 22 - Fri, Sep 25
Air Canada Logo
2:15 pm - 12:14 am
ORD
-
YQY
7h 59m
1 stop
Air Canada Logo
5:00 am - 9:05 am
YQY
-
ORD
6h 05m
1 stop
$678Air Canada
Wed, May 13 - Wed, May 20
Air Canada Logo
2:15 pm - 12:14 am
ORD
-
YQY
7h 59m
1 stop
Air Canada Logo
5:00 am - 2:53 pm
YQY
-
ORD
11h 53m
2 stops
$681Air Canada
Wed, May 13 - Wed, May 20
Air Canada Logo
8:45 am - 4:38 pm
ORD
-
YQY
5h 53m
1 stop
Air Canada Logo
5:20 pm - 9:00 am
YQY
-
ORD
17h 40m
2 stops
$684Air Canada
Tue, Sep 22 - Fri, Sep 25
Air Canada Logo
8:45 am - 4:39 pm
ORD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$686Air Canada
Mon, Jul 6 - Wed, Jul 15
Air Canada Logo
2:15 pm - 12:09 am
ORD
-
YQY
7h 54m
1 stop
Air Canada Logo
5:00 am - 9:05 am
YQY
-
ORD
6h 05m
1 stop
$695Air Canada
Sat, Jun 6 - Tue, Jun 9
Air Canada Logo
2:15 pm - 12:09 am
ORD
-
YQY
7h 54m
1 stop
Air Canada Logo
5:00 am - 2:50 pm
YQY
-
ORD
11h 50m
2 stops
$699Air Canada
Sat, Jun 6 - Tue, Jun 9
Air Canada Logo
11:05 am - 12:09 am
ORD
-
YQY
11h 04m
2 stops
Air Canada Logo
5:00 am - 2:50 pm
YQY
-
ORD
11h 50m
2 stops
$702Air Canada
Sat, Jun 6 - Tue, Jun 9
Air Canada Logo
8:40 pm - 4:39 pm
ORD
-
YQY
17h 59m
2 stops
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$719Air Canada
Mon, Jul 6 - Wed, Jul 15
Air Canada Logo
5:00 am - 4:14 pm
ORD
-
YQY
9h 14m
2 stops
Air Canada Logo
5:00 am - 2:53 pm
YQY
-
ORD
11h 53m
2 stops
$727Air Canada
Wed, May 13 - Wed, May 20

Air Canada flights from Chicago to Sydney, Nova Scotia

Our best Air Canada deals on Chicago to Sydney, Nova Scotia flight tickets
Air Canada
Sep 22
ORD8:45 amChicago O'Hare Intl
5h 53m
1 stop
YQY4:38 pmSydney
Sep 25
YQY5:05 amSydney
5h 55m
1 stop
ORD9:00 amChicago O'Hare Intl
$656
Air Canada
May 13
ORD2:15 pmChicago O'Hare Intl
7h 59m
1 stop
YQY12:14 amSydney
May 20
YQY5:00 amSydney
6h 05m
1 stop
ORD9:05 amChicago O'Hare Intl
$678
Air Canada
May 13
ORD2:15 pmChicago O'Hare Intl
7h 59m
1 stop
YQY12:14 amSydney
May 20
YQY5:00 amSydney
11h 53m
2 stops
ORD2:53 pmChicago O'Hare Intl
$681

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 March 30, 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

Cheapest round-trip
Quickest round-trip

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 9/22

8:45 am-4:38 pm

1 stop5h 53m

Sydney

Fri 9/25

5:05 am-9:00 am

1 stop5h 55m

$656

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 5/13

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Wed 5/20

5:00 am-9:05 am

1 stop6h 05m

$678

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 5/13

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Wed 5/20

5:00 am-2:53 pm

2 stops11h 53m

$681

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 9/22

8:45 am-4:38 pm

1 stop5h 53m

Sydney

Fri 9/25

5:20 pm-9:00 am

2 stops17h 40m

$684

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 7/6

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Wed 7/15

5:00 am-9:00 am

1 stop6h 00m

$686

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 6/6

2:15 pm-12:09 am

1 stop7h 54m

Sydney

Tue 6/9

5:00 am-9:05 am

1 stop6h 05m

$695

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 6/6

2:15 pm-12:09 am

1 stop7h 54m

Sydney

Tue 6/9

5:00 am-2:50 pm

2 stops11h 50m

$699

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 6/6

11:05 am-12:09 am

2 stops11h 04m

Sydney

Tue 6/9

5:00 am-2:50 pm

2 stops11h 50m

$702

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 7/6

8:40 pm-4:39 pm

2 stops17h 59m

Sydney

Wed 7/15

5:00 am-9:00 am

1 stop6h 00m

$719

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 5/13

5:00 am-4:14 pm

2 stops9h 14m

Sydney

Wed 5/20

5:00 am-2:53 pm

2 stops11h 53m

$727

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Chicago 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 Chicago to Sydney?

Air Canada is the most popular carrier operating from Chicago to Sydney

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 53m

Direct flights

None
The fastest flight from Chicago to Sydney, Nova Scotia takes 5h 53m
There are no direct flights from Chicago to Sydney, Nova Scotia. There are no popular flight routes from Chicago to Sydney, Nova Scotia.
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  • 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 53m, 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.

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.

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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport