What is the cheapest airline that flies from Illinois to Sydney?

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

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.

$336 Cheap Flights from Illinois to Sydney in 2025/26

1 adult

0 bags

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Find the cheapest flights from Illinois to Sydney

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:35 pm - 11:23 pm

ORD

YQY

5h 48m1 stop

5:20 am - 11:06 am

YQY

ORD

7h 46m1 stop

$639Air Canada

Sun, Feb 1 - Sun, Feb 8

3:35 pm - 11:23 pm

ORD

YQY

5h 48m1 stop

12:15 pm - 8:10 pm

YQY

ORD

9h 55m2 stops

$646Air Canada

Sun, Feb 1 - Sun, Feb 8

11:15 am - 11:23 pm

ORD

YQY

10h 08m2 stops

12:15 pm - 8:10 pm

YQY

ORD

9h 55m2 stops

$658Air Canada

Sun, Feb 1 - Sun, Feb 8

2:15 pm - 12:14 am

ORD

YQY

7h 59m1 stop

5:05 am - 2:55 pm

YQY

ORD

11h 50m1 stop

$763Air Canada

Tue, May 5 - Fri, May 8

2:15 pm - 12:14 am

ORD

YQY

7h 59m1 stop

5:20 pm - 9:00 am

YQY

ORD

17h 40m2 stops

$772Air Canada

Tue, May 5 - Fri, May 8

2:15 pm - 12:14 am

ORD

YQY

7h 59m1 stop

5:05 am - 1:25 pm

YQY

ORD

10h 20m1 stop

$773Air Canada

Tue, May 5 - Fri, May 8

2:15 pm - 12:14 am

ORD

YQY

7h 59m1 stop

5:20 pm - 9:00 am

YQY

ORD

17h 40m2 stops

$782Air Canada

Tue, May 5 - Fri, May 8

8:20 pm - 4:39 pm

ORD

YQY

18h 19m2 stops

5:20 pm - 9:00 am

YQY

ORD

17h 40m2 stops

$806Air Canada

Tue, May 5 - Fri, May 8

8:20 pm - 4:39 pm

ORD

YQY

18h 19m2 stops

5:20 pm - 9:00 am

YQY

ORD

17h 40m2 stops

$816Air Canada

Tue, May 5 - Fri, May 8

4:05 pm - 11:32 am

STL

YQY

17h 27m1 stop

5:20 am - 3:29 pm

YQY

STL

12h 09m2 stops

$955Air Canada

Sun, Feb 15 - 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

Feb 1

ORD3:35 pmChicago O'Hare Intl

5h 48m

1 stop

YQY11:23 pmSydney

Feb 8

YQY5:20 amSydney

7h 46m

1 stop

ORD11:06 amChicago O'Hare Intl

$639

Find similar

Air Canada

Feb 1

ORD3:35 pmChicago O'Hare Intl

5h 48m

1 stop

YQY11:23 pmSydney

Feb 8

YQY12:15 pmSydney

9h 55m

2 stops

ORD8:10 pmChicago O'Hare Intl

$646

Find similar

Air Canada

Feb 1

ORD11:15 amChicago O'Hare Intl

10h 08m

2 stops

YQY11:23 pmSydney

Feb 8

YQY12:15 pmSydney

9h 55m

2 stops

ORD8:10 pmChicago O'Hare Intl

$658

Find similar

momondo Fare Finder

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

Sun 2/1

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Sun 2/8

5:20 am-11:06 am

1 stop7h 46m

$639

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 2/1

3:35 pm-11:23 pm

1 stop5h 48m

Sydney

Sun 2/8

12:15 pm-8:10 pm

2 stops9h 55m

$646

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 2/1

11:15 am-11:23 pm

2 stops10h 08m

Sydney

Sun 2/8

12:15 pm-8:10 pm

2 stops9h 55m

$658

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Fri 5/8

5:05 am-2:55 pm

1 stop11h 50m

$763

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Fri 5/8

5:20 pm-9:00 am

2 stops17h 40m

$772

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Fri 5/8

5:05 am-1:25 pm

1 stop10h 20m

$773

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

2:15 pm-12:14 am

1 stop7h 59m

Sydney

Fri 5/8

5:20 pm-9:00 am

2 stops17h 40m

$782

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

8:20 pm-4:39 pm

2 stops18h 19m

Sydney

Fri 5/8

5:20 pm-9:00 am

2 stops17h 40m

$806

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Tue 5/5

8:20 pm-4:39 pm

2 stops18h 19m

Sydney

Fri 5/8

5:20 pm-9:00 am

2 stops17h 40m

$816

St. LouisSydney

STL - YQY

STLYQY

Lambert-St Louis

Sun 2/15

4:05 pm-11:32 am

1 stop17h 27m

Sydney

Wed 2/18

5:20 am-3:29 pm

2 stops12h 09m

$955

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

What is the cheapest day to depart on your flight to Sydney, Nova Scotia?

The cheapest day to depart from Illinois to Sydney, Nova Scotia is on a Tuesday when prices can be found for as low as $380. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Sydney, Nova Scotia for around $714.

What is the cheapest time of day to depart on your flight to Sydney, Nova Scotia?

According to our data, the cheapest time of day to fly to Sydney, Nova Scotia is in the morning. momondo users have found flights departing from Illinois to Sydney, Nova Scotia in the morning for as low as $392. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Sydney, Nova Scotia, so prices are often more expensive at around $772 per ticket.

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.

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.