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Cheap flights from Illinois to Sydney from $379

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sydney departing on 8/17. 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 Illinois to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:55 pm - 10:31 pm
ORD
-
YQY
6h 36m
1 stop
Air Canada Logo
5:45 am - 1:10 pm
YQY
-
ORD
9h 25m
2 stops
$768Air Canada
Mon, Nov 2 - Fri, Nov 6
Air Canada Logo
12:00 pm - 10:31 pm
ORD
-
YQY
8h 31m
2 stops
Air Canada Logo
5:45 am - 1:10 pm
YQY
-
ORD
9h 25m
2 stops
$776Air Canada
Mon, Nov 2 - Fri, Nov 6
Air Canada Logo
6:30 pm - 11:34 am
ORD
-
YQY
15h 04m
1 stop
Air Canada Logo
5:45 am - 1:10 pm
YQY
-
ORD
9h 25m
2 stops
$797Air Canada
Mon, Nov 2 - Fri, Nov 6
Air Canada Logo
8:00 am - 10:31 pm
ORD
-
YQY
12h 31m
2 stops
Air Canada Logo
5:45 am - 1:10 pm
YQY
-
ORD
9h 25m
2 stops
$800Air Canada
Mon, Nov 2 - Fri, Nov 6
Air Canada Logo
7:25 am - 12:26 am
ORD
-
YQY
15h 01m
2 stops
Air Canada Logo
5:45 am - 11:07 am
YQY
-
ORD
7h 22m
1 stop
$801Air Canada
Sat, Oct 31 - Wed, Nov 4
Air Canada Logo
8:35 pm - 12:30 pm
ORD
-
YQY
13h 55m
1 stop
Air Canada Logo
5:45 am - 11:07 am
YQY
-
ORD
7h 22m
1 stop
$807Air Canada
Sat, Oct 31 - Wed, Nov 4
Air Canada Logo
8:40 am - 4:20 pm
ORD
-
YQY
5h 40m
1 stop
Air Canada Logo
5:05 am - 1:19 pm
YQY
-
ORD
10h 14m
1 stop
$826Air Canada
Wed, Aug 12 - Sun, Aug 16
Air Canada Logo
8:40 am - 4:20 pm
ORD
-
YQY
5h 40m
1 stop
Air Canada Logo
5:05 am - 4:57 pm
YQY
-
ORD
13h 52m
1 stop
$835Air Canada
Mon, Aug 17 - Sun, Aug 23
Air Canada Logo
7:11 am - 4:20 pm
ORD
-
YQY
7h 09m
1 stop
Air Canada Logo
5:05 am - 2:44 pm
YQY
-
ORD
11h 39m
2 stops
$838Air Canada
Wed, Aug 12 - Wed, Aug 19
Air Canada Logo
11:05 am - 12:12 am
ORD
-
YQY
11h 07m
2 stops
Air Canada Logo
5:05 am - 2:44 pm
YQY
-
ORD
11h 39m
2 stops
$846Air Canada
Wed, Aug 12 - Wed, Aug 19

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Air Canada flights from Illinois to Sydney, Nova Scotia

Our best Air Canada deals on Illinois to Sydney, Nova Scotia flight tickets
Air Canada
Nov 2
ORD1:55 pmChicago O'Hare Intl
6h 36m
1 stop
YQY10:31 pmSydney
Nov 6
YQY5:45 amSydney
7h 25m
1 stop
ORD11:10 amChicago O'Hare Intl
$768
Air Canada
Nov 2
ORD12:00 pmChicago O'Hare Intl
8h 31m
2 stops
YQY10:31 pmSydney
Nov 6
YQY5:45 amSydney
9h 25m
2 stops
ORD1:10 pmChicago O'Hare Intl
$776
Air Canada
Nov 2
ORD6:30 pmChicago O'Hare Intl
15h 04m
1 stop
YQY11:34 amSydney
Nov 6
YQY5:45 amSydney
9h 25m
2 stops
ORD1:10 pmChicago O'Hare Intl
$797

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 June 25, 2026.
Use the filters below to find and compare flights from Illinois to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 11/2

1:55 pm-10:31 pm

1 stop6h 36m

Sydney

Fri 11/6

5:45 am-1:10 pm

2 stops9h 25m

$768

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 11/2

12:00 pm-10:31 pm

2 stops8h 31m

Sydney

Fri 11/6

5:45 am-1:10 pm

2 stops9h 25m

$776

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 11/2

6:30 pm-11:34 am

1 stop15h 04m

Sydney

Fri 11/6

5:45 am-1:10 pm

2 stops9h 25m

$797

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 11/2

8:00 am-10:31 pm

2 stops12h 31m

Sydney

Fri 11/6

5:45 am-1:10 pm

2 stops9h 25m

$800

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 10/31

7:25 am-12:26 am

2 stops15h 01m

Sydney

Wed 11/4

5:45 am-11:07 am

1 stop7h 22m

$801

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 10/31

8:35 pm-12:30 pm

1 stop13h 55m

Sydney

Wed 11/4

5:45 am-11:07 am

1 stop7h 22m

$807
Quickest round-trip

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 8/12

8:40 am-4:20 pm

1 stop5h 40m

Sydney

Sun 8/16

5:05 am-1:19 pm

1 stop10h 14m

$826

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 8/17

8:40 am-4:20 pm

1 stop5h 40m

Sydney

Sun 8/23

5:05 am-4:57 pm

1 stop13h 52m

$835

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 8/12

7:11 am-4:20 pm

1 stop7h 09m

Sydney

Wed 8/19

5:05 am-2:44 pm

2 stops11h 39m

$838

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Wed 8/12

11:05 am-12:12 am

2 stops11h 07m

Sydney

Wed 8/19

5:05 am-2:44 pm

2 stops11h 39m

$846

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

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

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

Cheap Illinois to Sydney, Nova Scotia flight deals and tips

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

Fastest flight time

6h 36m

Direct flights

None
The fastest flight from Illinois to Sydney, Nova Scotia takes 6h 36m
There are no direct flights from Illinois to Sydney, Nova Scotia. There are no popular flight routes from Illinois to Sydney, Nova Scotia.
Search flight deals

Frequently asked questions about flying from Illinois to Sydney, Nova Scotia

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

    Prices for flights from Illinois to Sydney Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois 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.

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 Illinois to Sydney?

Finding the right flight to Sydney from Illinois 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 Illinois to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Illinois to Sydney flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Sydney from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Sydney, Nova Scotia trip

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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport