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Cheap flights from Illinois to Sydney from $763

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Sydney departing on 7/5. 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

Find the cheapest flights from Illinois to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:45 am - 4:14 pm
ORD
-
YQY
5h 29m
1 stop
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$763Air Canada
Sun, Jul 5 - Sat, Jul 11
Air Canada Logo
3:45 pm - 12:07 am
ORD
-
YQY
6h 22m
1 stop
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$768Air Canada
Sat, Jul 4 - Sat, Jul 11
Air Canada Logo
9:55 am - 12:09 am
ORD
-
YQY
12h 14m
1 stop
Air Canada Logo
5:05 am - 12:00 pm
YQY
-
ORD
8h 55m
1 stop
$781Air Canada
Fri, Jun 12 - Sun, Jun 14
Air Canada Logo
9:50 am - 12:07 am
ORD
-
YQY
12h 17m
1 stop
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$793Air Canada
Tue, Jul 7 - Sat, Jul 11
Air Canada Logo
8:40 pm - 4:14 pm
ORD
-
YQY
17h 34m
2 stops
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$796Air Canada
Sat, Jul 4 - Sat, Jul 11
Air Canada Logo
9:55 am - 12:09 am
ORD
-
YQY
12h 14m
1 stop
Air Canada Logo
5:20 pm - 9:45 am
YQY
-
ORD
18h 25m
2 stops
$809Air Canada
Fri, Jun 12 - Sun, Jun 14
Air Canada Logo
9:50 am - 4:14 pm
ORD
-
YQY
28h 24m
2 stops
Air Canada Logo
5:00 am - 9:00 am
YQY
-
ORD
6h 00m
1 stop
$826Air Canada
Tue, Jul 7 - Sat, Jul 11
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
$829Air Canada
Fri, Aug 21 - Tue, Aug 25
Air Canada Logo
8:45 am - 4:14 pm
ORD
-
YQY
5h 29m
1 stop
Air Canada Logo
5:20 pm - 9:00 am
YQY
-
ORD
17h 40m
2 stops
$854Air Canada
Sun, Jul 5 - Sat, Jul 11
Air Canada Logo
8:45 am - 4:39 pm
ORD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:20 pm - 9:00 am
YQY
-
ORD
17h 40m
2 stops
$857Air Canada
Fri, Aug 21 - Tue, Aug 25

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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
Jul 5
ORD8:45 amChicago O'Hare Intl
5h 29m
1 stop
YQY4:14 pmSydney
Jul 11
YQY5:00 amSydney
6h 00m
1 stop
ORD9:00 amChicago O'Hare Intl
$763
Air Canada
Jul 4
ORD3:45 pmChicago O'Hare Intl
6h 22m
1 stop
YQY12:07 amSydney
Jul 11
YQY5:00 amSydney
6h 00m
1 stop
ORD9:00 amChicago O'Hare Intl
$768
Air Canada
Jun 12
ORD9:55 amChicago O'Hare Intl
12h 14m
1 stop
YQY12:09 amSydney
Jun 14
YQY5:05 amSydney
8h 55m
1 stop
ORD12:00 pmChicago O'Hare Intl
$781

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 May 6, 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
Quickest round-trip

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 7/5

8:45 am-4:14 pm

1 stop5h 29m

Sydney

Sat 7/11

5:00 am-9:00 am

1 stop6h 00m

$763

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 7/4

3:45 pm-12:07 am

1 stop6h 22m

Sydney

Sat 7/11

5:00 am-9:00 am

1 stop6h 00m

$768

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 6/12

9:55 am-12:09 am

1 stop12h 14m

Sydney

Sun 6/14

5:05 am-12:00 pm

1 stop8h 55m

$781

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 7/7

9:50 am-12:07 am

1 stop12h 17m

Sydney

Sat 7/11

5:00 am-9:00 am

1 stop6h 00m

$793

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 7/4

8:40 pm-4:14 pm

2 stops17h 34m

Sydney

Sat 7/11

5:00 am-9:00 am

1 stop6h 00m

$796

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 6/12

9:55 am-12:09 am

1 stop12h 14m

Sydney

Sun 6/14

5:20 pm-9:45 am

2 stops18h 25m

$809

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 7/7

9:50 am-4:14 pm

2 stops28h 24m

Sydney

Sat 7/11

5:00 am-9:00 am

1 stop6h 00m

$826

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 8/21

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Tue 8/25

5:00 am-9:00 am

1 stop6h 00m

$829

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 7/5

8:45 am-4:14 pm

1 stop5h 29m

Sydney

Sat 7/11

5:20 pm-9:00 am

2 stops17h 40m

$854

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 8/21

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Tue 8/25

5:20 pm-9:00 am

2 stops17h 40m

$857

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 54m

Direct flights

None
The fastest flight from Illinois to Sydney, Nova Scotia takes 5h 54m
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.

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

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

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Illinois from Sydney, Nova Scotia. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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