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Cheap flights from Illinois to Sydney from $432

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 2/17. 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
0 bags

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Find the cheapest flights from Illinois 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 - 11:18 am
YQY
-
ORD
7h 58m
1 stop
$670Air Canada
Tue, Mar 17 - Tue, Mar 24
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
$679Air Canada
Tue, Mar 17 - Tue, Mar 24
Air Canada Logo
12:50 pm - 11:23 pm
ORD
-
YQY
8h 33m
1 stop
Air Canada Logo
5:20 am - 11:18 am
YQY
-
ORD
7h 58m
1 stop
$701Air Canada
Mon, Mar 9 - Tue, Mar 24
Air Canada Logo
12:50 pm - 11:23 pm
ORD
-
YQY
8h 33m
1 stop
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$709Air Canada
Mon, Mar 9 - Tue, Mar 24
Air Canada Logo
10:00 am - 11:23 pm
ORD
-
YQY
11h 23m
2 stops
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$738Air Canada
Mon, Mar 9 - Tue, Mar 24
Air Canada Logo
9:15 am - 11:23 pm
ORD
-
YQY
12h 08m
2 stops
Air Canada Logo
12:15 pm - 8:10 pm
YQY
-
ORD
9h 55m
2 stops
$756Air Canada
Tue, Mar 17 - Tue, Mar 24
Air Canada Logo
8:45 am - 4:39 pm
ORD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:05 am - 1:22 pm
YQY
-
ORD
10h 17m
1 stop
$814Air Canada
Fri, Jul 3 - Sun, Aug 9
Air Canada Logo
3:35 pm - 11:23 pm
ORD
-
YQY
5h 48m
1 stop
Air Canada Logo
5:20 am - 11:06 am
YQY
-
ORD
7h 46m
1 stop
$818Air Canada
Sun, Feb 15 - Thu, Feb 19
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
$848Air Canada
Tue, Feb 17 - Wed, Feb 18
Air Canada Logo
2:00 pm - 11:23 pm
ORD
-
YQY
7h 23m
2 stops
Air Canada Logo
5:20 am - 1:01 pm
YQY
-
ORD
9h 41m
2 stops
$855Air Canada
Tue, Feb 17 - Wed, Feb 18

Air Canada flights from Illinois to Sydney, Nova Scotia

Our best Air Canada deals on Illinois to Sydney, Nova Scotia flight tickets
Air Canada
Mar 17
ORD3:35 pmChicago O'Hare Intl
5h 48m
1 stop
YQY11:23 pmSydney
Mar 24
YQY5:20 amSydney
7h 58m
1 stop
ORD11:18 amChicago O'Hare Intl
$670
Air Canada
Mar 17
ORD3:35 pmChicago O'Hare Intl
5h 48m
1 stop
YQY11:23 pmSydney
Mar 24
YQY12:15 pmSydney
9h 55m
2 stops
ORD8:10 pmChicago O'Hare Intl
$679
Air Canada
Mar 9
ORD12:50 pmChicago O'Hare Intl
8h 33m
1 stop
YQY11:23 pmSydney
Mar 24
YQY5:20 amSydney
7h 58m
1 stop
ORD11:18 amChicago O'Hare Intl
$701

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 February 2, 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

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 3/17

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Tue 3/24

5:20 am-11:18 am

1 stop7h 58m

$670

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 3/17

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Tue 3/24

12:15 pm-8:10 pm

2 stops9h 55m

$679

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 3/9

12:50 pm-11:23 pm

1 stop8h 33m

Sydney

Tue 3/24

5:20 am-11:18 am

1 stop7h 58m

$701

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 3/9

12:50 pm-11:23 pm

1 stop8h 33m

Sydney

Tue 3/24

12:15 pm-8:10 pm

2 stops9h 55m

$709

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Mon 3/9

10:00 am-11:23 pm

2 stops11h 23m

Sydney

Tue 3/24

12:15 pm-8:10 pm

2 stops9h 55m

$738

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 3/17

9:15 am-11:23 pm

2 stops12h 08m

Sydney

Tue 3/24

12:15 pm-8:10 pm

2 stops9h 55m

$756

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 7/3

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Sun 8/9

5:05 am-1:22 pm

1 stop10h 17m

$814

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 2/15

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Thu 2/19

5:20 am-11:06 am

1 stop7h 46m

$818

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 2/17

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Wed 2/18

5:20 am-1:01 pm

2 stops9h 41m

$848

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 2/17

2:00 pm-11:23 pm

2 stops7h 23m

Sydney

Wed 2/18

5:20 am-1:01 pm

2 stops9h 41m

$855

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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

5h 48m

Direct flights

None
The fastest flight from Illinois to Sydney, Nova Scotia takes 5h 48m
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

  • 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