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Cheap flights from Illinois to Sydney from C$ 463

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 30/1. 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

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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
2:15 p.m. - 12:14 a.m.
ORD
-
YQY
7h 59m1 stop
Air Canada Logo
5:05 a.m. - 2:55 p.m.
YQY
-
ORD
11h 50m1 stop
C$ 1,051Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
2:15 p.m. - 12:14 a.m.
ORD
-
YQY
7h 59m1 stop
Air Canada Logo
5:20 p.m. - 9:00 a.m.
YQY
-
ORD
17h 40m2 stops
C$ 1,064Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
2:15 p.m. - 12:14 a.m.
ORD
-
YQY
7h 59m1 stop
Air Canada Logo
5:05 a.m. - 2:55 p.m.
YQY
-
ORD
11h 50m1 stop
C$ 1,065Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
3:50 p.m. - 12:14 a.m.
ORD
-
YQY
6h 24m1 stop
Air Canada Logo
5:20 p.m. - 9:00 a.m.
YQY
-
ORD
17h 40m2 stops
C$ 1,077Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
8:20 p.m. - 4:39 p.m.
ORD
-
YQY
18h 19m2 stops
Air Canada Logo
5:20 p.m. - 9:00 a.m.
YQY
-
ORD
17h 40m2 stops
C$ 1,110Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
8:20 p.m. - 4:39 p.m.
ORD
-
YQY
18h 19m2 stops
Air Canada Logo
5:20 p.m. - 9:00 a.m.
YQY
-
ORD
17h 40m2 stops
C$ 1,124Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
11:15 a.m. - 12:14 a.m.
ORD
-
YQY
10h 59m2 stops
Air Canada Logo
5:20 p.m. - 8:00 a.m.
YQY
-
ORD
16h 40m2 stops
C$ 1,159Air Canada
Tue, 5 May - Fri, 8 May
Air Canada Logo
4:05 p.m. - 11:32 a.m.
STL
-
YQY
17h 27m1 stop
Air Canada Logo
5:20 a.m. - 3:29 p.m.
YQY
-
STL
12h 09m2 stops
C$ 1,316Air Canada
Sun, 15 Feb - Wed, 18 Feb
Air Canada Logo
7:41 a.m. - 11:32 a.m.
STL
-
YQY
25h 51m2 stops
Air Canada Logo
5:20 a.m. - 3:29 p.m.
YQY
-
STL
12h 09m2 stops
C$ 1,321Air Canada
Sun, 15 Feb - Wed, 18 Feb
Air Canada Logo
4:05 p.m. - 11:32 a.m.
STL
-
YQY
17h 27m1 stop
Air Canada Logo
5:20 a.m. - 3:29 p.m.
YQY
-
STL
12h 09m2 stops
C$ 1,339Air Canada
Sun, 15 Feb - Wed, 18 Feb

Air Canada flights from Illinois to Sydney, Nova Scotia

Our best Air Canada deals on Illinois to Sydney, Nova Scotia flight tickets
Air Canada
5 May
ORD2:15 p.m.Chicago O'Hare Intl
7h 59m
1 stop
YQY12:14 a.m.Sydney
8 May
YQY5:05 a.m.Sydney
11h 50m
1 stop
ORD2:55 p.m.Chicago O'Hare Intl
C$ 1,051
Find similar
Air Canada
5 May
ORD2:15 p.m.Chicago O'Hare Intl
7h 59m
1 stop
YQY12:14 a.m.Sydney
8 May
YQY5:20 p.m.Sydney
17h 40m
2 stops
ORD9:00 a.m.Chicago O'Hare Intl
C$ 1,064
Find similar
Air Canada
5 May
ORD2:15 p.m.Chicago O'Hare Intl
7h 59m
1 stop
YQY12:14 a.m.Sydney
8 May
YQY5:05 a.m.Sydney
11h 50m
1 stop
ORD2:55 p.m.Chicago O'Hare Intl
C$ 1,065
Find similar

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 96,600 searches. Data last updated 18 December 2025.
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 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Fri 8/5

5:05 a.m.-2:55 p.m.

1 stop11h 50m

C$ 1,051

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Fri 8/5

5:20 p.m.-9:00 a.m.

2 stops17h 40m

C$ 1,064

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

2:15 p.m.-12:14 a.m.

1 stop7h 59m

Sydney

Fri 8/5

5:05 a.m.-2:55 p.m.

1 stop11h 50m

C$ 1,065

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

3:50 p.m.-12:14 a.m.

1 stop6h 24m

Sydney

Fri 8/5

5:20 p.m.-9:00 a.m.

2 stops17h 40m

C$ 1,077

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

8:20 p.m.-4:39 p.m.

2 stops18h 19m

Sydney

Fri 8/5

5:20 p.m.-9:00 a.m.

2 stops17h 40m

C$ 1,110

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

8:20 p.m.-4:39 p.m.

2 stops18h 19m

Sydney

Fri 8/5

5:20 p.m.-9:00 a.m.

2 stops17h 40m

C$ 1,124

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

11:15 a.m.-12:14 a.m.

2 stops10h 59m

Sydney

Fri 8/5

5:20 p.m.-8:00 a.m.

2 stops16h 40m

C$ 1,159

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 15/2

4:05 p.m.-11:32 a.m.

1 stop17h 27m

Sydney

Wed 18/2

5:20 a.m.-3:29 p.m.

2 stops12h 09m

C$ 1,316

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 15/2

7:41 a.m.-11:32 a.m.

2 stops25h 51m

Sydney

Wed 18/2

5:20 a.m.-3:29 p.m.

2 stops12h 09m

C$ 1,321

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 15/2

4:05 p.m.-11:32 a.m.

1 stop17h 27m

Sydney

Wed 18/2

5:20 a.m.-3:29 p.m.

2 stops12h 09m

C$ 1,339

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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

12h 47m

Direct flights

None
The fastest flight from Illinois to Sydney, Nova Scotia takes 12h 47m
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 are refreshed on a daily basis.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 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.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Cheticamp

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Sydney for you.

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?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Illinois.

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

Yes. momondo can track prices for Illinois to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport