Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Sydney from $323

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Sydney departing on 8/30. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago O'Hare Intl Airport to Sydney

Cheap round-trip flights

Air Canada Logo
8:40 am - 3:48 pmORD-YQY
5h 08m1 stop
Air Canada Logo
4:30 pm - 8:22 pmYQY-ORD
5h 52m1 stop
$624Air Canada
Find Deal
Thu, Oct 2 - Thu, Oct 9
Air Canada Logo
3:50 pm - 12:35 amORD-YQY
6h 45m1 stop
Air Canada Logo
4:30 pm - 8:22 pmYQY-ORD
5h 52m1 stop
$630Air Canada
Find Deal
Thu, Oct 9 - Sun, Oct 19
Air Canada Logo
9:23 pm - 3:48 pmORD-YQY
16h 25m2 stops
Air Canada Logo
4:30 pm - 8:22 pmYQY-ORD
5h 52m1 stop
$661Air Canada
Find Deal
Thu, Oct 2 - Thu, Oct 9
Air Canada Logo
8:40 am - 3:48 pmORD-YQY
5h 08m1 stop
Air Canada Logo
4:30 pm - 8:11 pmYQY-ORD
5h 41m1 stop
$672Air Canada
Find Deal
Sun, Sep 7 - Sun, Sep 14
Air Canada Logo
10:40 am - 12:04 amORD-YQY
11h 24m2 stops
Air Canada Logo
4:30 pm - 8:11 pmYQY-ORD
5h 41m1 stop
$678Air Canada
Find Deal
Fri, Sep 26 - Sun, Sep 28
Air Canada Logo
9:20 pm - 3:48 pmORD-YQY
16h 28m2 stops
Air Canada Logo
5:15 am - 8:22 pmYQY-ORD
17h 07m2 stops
$692Air Canada
Find Deal
Thu, Oct 2 - Thu, Oct 9
Air Canada Logo
10:50 am - 12:09 amORD-YQY
11h 19m2 stops
Air Canada Logo
4:30 pm - 8:11 pmYQY-ORD
5h 41m1 stop
$693Air Canada
Find Deal
Sun, Sep 7 - Sun, Sep 14
Air Canada Logo
3:50 pm - 1:27 amORD-YQY
7h 37m1 stop
Air Canada Logo
4:30 pm - 8:11 pmYQY-ORD
5h 41m1 stop
$702Air Canada
Find Deal
Fri, Aug 29 - Fri, Sep 5
Air Canada Logo
3:50 pm - 1:27 amORD-YQY
7h 37m1 stop
Air Canada Logo
5:15 am - 2:55 pmYQY-ORD
11h 40m2 stops
$724Air Canada
Find Deal
Fri, Aug 29 - Fri, Sep 5
Air Canada Logo
9:31 pm - 3:54 pmORD-YQY
16h 23m2 stops
Air Canada Logo
5:15 am - 2:55 pmYQY-ORD
11h 40m2 stops
$740Air Canada
Find Deal
Fri, Aug 29 - Fri, Sep 5

Air Canada flights from Chicago O'Hare Intl Airport to Sydney, Nova Scotia

Our best Air Canada deals on Chicago O'Hare Intl Airport to Sydney, Nova Scotia flight tickets
Air Canada
Oct 2
ORD8:40 amChicago O'Hare Intl
5h 08m
1 stop
YQY3:48 pmSydney
Oct 9
YQY4:30 pmSydney
5h 52m
1 stop
ORD8:22 pmChicago O'Hare Intl
$624
Find similar
Air Canada
Oct 9
ORD3:50 pmChicago O'Hare Intl
6h 45m
1 stop
YQY12:35 amSydney
Oct 19
YQY4:30 pmSydney
5h 52m
1 stop
ORD8:22 pmChicago O'Hare Intl
$630
Find similar
Air Canada
Oct 2
ORD9:23 pmChicago O'Hare Intl
16h 25m
2 stops
YQY3:48 pmSydney
Oct 9
YQY4:30 pmSydney
5h 52m
1 stop
ORD8:22 pmChicago O'Hare Intl
$661
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 July 31, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

Thu 10/2

8:40 am-3:48 pm

1 stop5h 08m

Sydney

Thu 10/9

4:30 pm-8:22 pm

1 stop5h 52m

$624

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 10/9

3:50 pm-12:35 am

1 stop6h 45m

Sydney

Sun 10/19

4:30 pm-8:22 pm

1 stop5h 52m

$630

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 10/2

9:23 pm-3:48 pm

2 stops16h 25m

Sydney

Thu 10/9

4:30 pm-8:22 pm

1 stop5h 52m

$661

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 9/7

8:40 am-3:48 pm

1 stop5h 08m

Sydney

Sun 9/14

4:30 pm-8:11 pm

1 stop5h 41m

$672

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 9/26

10:40 am-12:04 am

2 stops11h 24m

Sydney

Sun 9/28

4:30 pm-8:11 pm

1 stop5h 41m

$678

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 10/2

9:20 pm-3:48 pm

2 stops16h 28m

Sydney

Thu 10/9

5:15 am-8:22 pm

2 stops17h 07m

$692

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sun 9/7

10:50 am-12:09 am

2 stops11h 19m

Sydney

Sun 9/14

4:30 pm-8:11 pm

1 stop5h 41m

$693

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 8/29

3:50 pm-1:27 am

1 stop7h 37m

Sydney

Fri 9/5

4:30 pm-8:11 pm

1 stop5h 41m

$702

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 8/29

3:50 pm-1:27 am

1 stop7h 37m

Sydney

Fri 9/5

5:15 am-2:55 pm

2 stops11h 40m

$724

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Fri 8/29

9:31 pm-3:54 pm

2 stops16h 23m

Sydney

Fri 9/5

5:15 am-2:55 pm

2 stops11h 40m

$740

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 day to depart on your flight to Sydney, Nova Scotia?

The cheapest day to depart from Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport 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.

When to book flights from Chicago O'Hare Intl Airport to Sydney, Nova Scotia

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Sydney, Nova Scotia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Sydney, Nova Scotia (ORD to YQY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Sydney, Nova Scotia

Best Price Found

$323

Fastest flight time

5h 08m

Direct flights

None

Airports in Sydney, Nova Scotia

1 airport
The best one-way flight to Sydney, Nova Scotia from Chicago O'Hare Intl Airport in the past 72 hours is $323. The best round-trip flight deal from Chicago O'Hare Intl Airport to Sydney, Nova Scotia found on momondo in the last 72 hours is $624.
The fastest flight from Chicago O'Hare Intl Airport to Sydney, Nova Scotia takes 5h 08m
There are no direct flights from Chicago O'Hare Intl Airport to Sydney, Nova Scotia. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Sydney Airport.
There is 1 airport near Sydney, Nova Scotia: Sydney (YQY)
Search flight deals

  • How far is Chicago O'Hare Intl to Sydney by plane?

    Chicago O'Hare Intl and Sydney are 1397.2 mi apart from one another. Typically, this will take 5h 08m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Sydney Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Sydney Airport refresh daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Sydney Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Sydney Airport.

  • What documentation or ID do you need to fly to Sydney Airport?

    The required travel and health documents for your Sydney Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Airport. We recommend that you seek guidance from your airline or a reliable 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 Chicago to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Chicago.

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

Once all potential Chicago to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney, Nova Scotia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport