ORD - YQY

$735 Find Cheap Flights from Chicago to Sydney

This is the cheapest round-trip flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Sydney

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Sydney, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Sydney, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$735
Air Canada
Tue 5/5Fri 5/8
ORD - YQY • 1 stop
Cheapest one-way
Multiple Airlines
Thu 12/11
ORD - YQY • multi-stop
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We hope you love your trip to Sydney!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Sydney (ORD-YQY)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Sydney that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Sydney

Tue, May 5 - Fri, May 8
Air Canada Logo
8:40 am - 3:57 pm
ORD
-
YQY
5h 17m1 stop
Air Canada Logo
5:15 am - 10:53 am
YQY
-
ORD
7h 38m1 stop
$735Air Canada
Thu, May 21 - Tue, May 26
Air Canada Logo
8:40 am - 3:57 pm
ORD
-
YQY
5h 17m1 stop
Air Canada Logo
5:15 am - 10:53 am
YQY
-
ORD
7h 38m1 stop
$736Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
8:25 pm - 3:57 pm
ORD
-
YQY
17h 32m2 stops
Air Canada Logo
5:15 am - 10:53 am
YQY
-
ORD
7h 38m1 stop
$765Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
7:10 am - 4:39 pm
ORD
-
YQY
7h 29m1 stop
Air Canada Logo
5:05 am - 9:50 am
YQY
-
ORD
6h 45m1 stop
$806Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
9:45 pm - 4:39 pm
ORD
-
YQY
16h 54m2 stops
Air Canada Logo
5:05 am - 9:50 am
YQY
-
ORD
6h 45m1 stop
$810Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
7:10 am - 4:39 pm
ORD
-
YQY
7h 29m1 stop
Air Canada Logo
5:20 pm - 8:25 am
YQY
-
ORD
17h 05m2 stops
$831Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
7:10 am - 4:39 pm
ORD
-
YQY
7h 29m1 stop
Air Canada Logo
5:20 pm - 8:05 am
YQY
-
ORD
16h 45m1 stop
$832Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
9:45 pm - 4:39 pm
ORD
-
YQY
16h 54m2 stops
Air Canada Logo
5:20 pm - 8:25 am
YQY
-
ORD
17h 05m2 stops
$835Air Canada
Thu, May 21 - Tue, May 26
Air Canada Logo
8:40 am - 3:57 pm
ORD
-
YQY
5h 17m1 stop
Air Canada Logo
4:30 pm - 11:12 pm
YQY
-
ORD
8h 42m2 stops
$839Air Canada
Tue, May 5 - Fri, May 8
Air Canada Logo
8:55 am - 12:14 am
ORD
-
YQY
13h 19m2 stops
Air Canada Logo
5:20 pm - 8:00 am
YQY
-
ORD
16h 40m2 stops
$840Air Canada
Booking Insights

KAYAK's insights & trends for Chicago to Sydney flights

Get data-powered insights and trends into flights from Chicago to Sydney to help you find the cheapest flights, the best time to fly and much more.

What is the most popular layover airport when flying from Chicago to Sydney?

Percentage of 1-stop round-trip flights from Chicago to Sydney chosen by KAYAK users via each layover airport in the last 12 months (only includes trips with the same layover airport on both legs).

Montreal (YUL) is the top choice – 67% of KAYAK users who clicked on 1-stop flights from Chicago to Sydney picked an itinerary connecting there.

What is the cheapest layover airport when flying from Chicago to Sydney?

Average round-trip price for 1-stop flights from Chicago to Sydney clicked by KAYAK users in the last 12 months (only includes trips with the same layover airport on both legs).

Flights via Montreal (YUL) offer the most affordable fares, with an average round-trip price of $1,136.

Which layover airport offers the shortest total travel time from Chicago to Sydney?

Shortest average total travel time for 1-stop one-way flights from Chicago to Sydney via different layover airports, based on KAYAK user data from the last 12 months.

Consider flying via Montreal (YUL) for the shortest journey. The average one-way travel time for flights connecting there is 5h 08m.

Which layover airport has the quickest connection when flying from Chicago to Sydney?

Average layover duration at different layover airports for 1-stop one-way flights from Chicago to Sydney, based on KAYAK user data from the last 12 months.

If you prefer a quick connection, Montreal (YUL) often has the shortest layovers from Chicago to Sydney, with an average of 1h 06m.

Find deals

Good to know

Cheapest flight$735
Flight from Chicago to Sydney

When to book flights from Chicago to Sydney

Are your dates flexible? Find out the best times to travel from Chicago to Sydney based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Sydney flights

  • What is the cheapest flight from Chicago O'Hare Intl Airport to Sydney?

    In the last 3 days, the lowest price for a flight from Chicago O'Hare Intl Airport to Sydney was $735 for a round-trip ticket.

  • Do I need a passport to fly between Chicago and Sydney?

    A passport is required to fly from Chicago to Sydney.

  • Which airports will I be using when flying from Chicago to Sydney?

    On your way to Sydney, you’ll fly out from Chicago O'Hare Intl. You’ll be landing at Sydney.

  • Which aircraft models fly most regularly from Chicago to Sydney?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Chicago to Sydney?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Sydney.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Sydney?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Sydney from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Sydney?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Sydney with an airline and back to Chicago with another airline. Booking your flights between Chicago and YQY can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Sydney?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Sydney from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Chicago to Sydney

Information on your arrival and departure airports

Chicago (ORD)
Sydney (YQY)