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Cheap flights from Chicago O'Hare Intl Airport to Sydney from $814

This is the cheapest round-trip 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 8/6. 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 Chicago O'Hare Intl Airport to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
Thu, Aug 6 - Sun, Aug 9
Air Canada Logo
8:45 am - 4:39 pm
ORD
-
YQY
5h 54m
1 stop
Air Canada Logo
5:05 am - 2:55 pm
YQY
-
ORD
11h 50m
2 stops
$923Air Canada
Thu, Aug 6 - Sun, Aug 9
Air Canada Logo
11:05 am - 12:07 am
ORD
-
YQY
11h 02m
2 stops
Air Canada Logo
5:05 am - 2:55 pm
YQY
-
ORD
11h 50m
2 stops
$992Air Canada
Thu, Aug 6 - Sun, Aug 9

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
Aug 6
ORD8:45 amChicago O'Hare Intl
5h 54m
1 stop
YQY4:39 pmSydney
Aug 9
YQY5:05 amSydney
10h 17m
1 stop
ORD1:22 pmChicago O'Hare Intl
$814
Air Canada
Aug 6
ORD8:45 amChicago O'Hare Intl
5h 54m
1 stop
YQY4:39 pmSydney
Aug 9
YQY5:05 amSydney
11h 50m
2 stops
ORD2:55 pmChicago O'Hare Intl
$923
Air Canada
Aug 6
ORD11:05 amChicago O'Hare Intl
11h 02m
2 stops
YQY12:07 amSydney
Aug 9
YQY5:05 amSydney
11h 50m
2 stops
ORD2:55 pmChicago O'Hare Intl
$992

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 February 7, 2026.
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 8/6

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

Thu 8/6

8:45 am-4:39 pm

1 stop5h 54m

Sydney

Sun 8/9

5:05 am-2:55 pm

2 stops11h 50m

$923

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 8/6

11:05 am-12:07 am

2 stops11h 02m

Sydney

Sun 8/9

5:05 am-2:55 pm

2 stops11h 50m

$992

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Fastest flight time

5h 48m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Sydney, Nova Scotia takes 5h 48m
There are no direct flights from Chicago O'Hare Intl Airport to Sydney, Nova Scotia. There are no popular flight routes from Chicago O'Hare Intl Airport to Sydney, Nova Scotia.
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  • 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 48m 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.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Sydney, Nova Scotia?

    Search flight deals from Chicago O'Hare Intl Airport to Sydney, Nova Scotia. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Sydney, Nova Scotia with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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.

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