S$1,093 Cheap Flights from Chicago to Sydney

View S$1,093 flight on Wed, 10 Dec, 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Sydney Airport (SYD)

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Cheap Flights from Chicago to Sydney (ORD-SYD)

Prices were available within the past 7 days and start at S$1,093 for one-way flights and S$2,134 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,134 Return, found 23 hours ago
S$2,134
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,134 found 23 hours ago
Air Canada
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,172 Return, found 23 hours ago
S$2,172
Return
found 23 hours ago
Select Air Canada flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,172 found 23 hours ago
Air Canada
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,181 Return, found 23 hours ago
S$2,181
Return
found 23 hours ago
Select Air Canada flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,181 found 23 hours ago
Air New Zealand
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,269 Return, found 23 hours ago
S$2,269
Return
found 23 hours ago
Select Air New Zealand flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,269 found 23 hours ago
Delta
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,354 Return, found 23 hours ago
S$2,354
Return
found 23 hours ago
Select Delta flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,354 found 23 hours ago
American Airlines
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,369 Return, found 23 hours ago
S$2,369
Return
found 23 hours ago
Select American Airlines flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,369 found 23 hours ago
Delta
Wed, 10 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,384 Return, found 23 hours ago
S$2,384
Return
found 23 hours ago
Select Delta flight, departing Wed, 10 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,384 found 23 hours ago
Delta
Wed, 10 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,386 Return, found 23 hours ago
S$2,386
Return
found 23 hours ago
Select Delta flight, departing Wed, 10 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,386 found 23 hours ago
Delta
Wed, 10 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,392 Return, found 23 hours ago
S$2,392
Return
found 23 hours ago
Select Delta flight, departing Wed, 10 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,392 found 23 hours ago
Qantas Airways
Thu, 4 Dec - Wed, 31 Dec
ORD
Chicago
SYD
Sydney
S$2,485 Return, found 23 hours ago
S$2,485
Return
found 23 hours ago
Select Qantas Airways flight, departing Thu, 4 Dec from Chicago to Sydney, returning Wed, 31 Dec, priced at S$2,485 found 23 hours ago

Find the cheapest month to fly from Chicago (ORD) to Sydney (SYD)

May is typically the cheapest month to fly

From S$1,013 - S$2,119 per traveller.

Frequently asked questions

How much is a flight from O'Hare Intl. Airport (ORD) to Sydney Airport?
Round-trip tickets between O'Hare Intl. Airport (ORD) and Kingsford Smith Intl. Airport (SYD) start from S$2,134. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from ORD to SYD?
Most flights can be cancelled online, but every air carrier has a different set of terms and conditions. If you do have to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from ORD to Sydney Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for O'Hare Intl. Airport (ORD) to SYD flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to SYD?
You'll have 14,900 kilometres to cover on the long-haul Chicago to Sydney route. Dress in comfy clothes and consider taking some noise-cancelling headphones and a sleep mask.
Which airlines fly direct from O'Hare Intl. Airport (ORD) to SYD?
Direct flights aren't available, so you'll have to make at least one stop between O'Hare Intl. Airport (ORD) and Mascot Airport. Use the layover time to stretch your legs and enjoy some personal space.
Are ORD to Sydney Airport flight tickets cheaper when they're purchased at the last minute?
Booking last minute from O'Hare Airport to Kingsford Smith Intl. Airport (SYD) can be hit-or-miss. You might be lucky and score a bargain, but then again, you could miss out entirely! If you'd rather play it safe and start planning your trip early on, Expedia compares flight deals up to 12 months in advance. Just remember that not all airlines list their prices that far in advance. Our suggestion? Check back often as updates are made regularly.

Travel information

Travel information

Origin airport
O'Hare Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Air Canada, Air New Zealand, American Airlines, Cathay Pacific, Delta, Emirates, Etihad Airways, Korean Air, Qantas Airways, Qatar Airways, Turkish Airlines, United
Return price
S$2,133
Distance
14775 km

Book with confidence

Book with confidence

Flights from Chicago to Sydney

There are several airlines that operate frequent flights from Chicago (ORD) to Sydney (SYD) including

The earliest flight leaves O'Hare Intl. Airport at 10:10 and arrives at Kingsford Smith Intl. Airport at 05:35. The last flight of the day departs Chicago at 19:52 and arrives at Sydney at 10:25.

The flight distance from Chicago to Sydney is about 16041 km, the shortest flight is 19 hours 53 minutes with United Airlines.

Expedia lets you search across the largest number of airlines and Sydney flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Chicago Sydney flight!

Browse through dozens of options and rest assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago to Sydney trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Sydney flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Chicago to Sydney with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Flights from Chicago to Sydney

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