₩1,209,700 Cheap Flights from Chicago (ORD) to Sydney (SYD)

View ₩1,209,700 flight on Mon, Sep 21, 2026Opens 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 ₩1,209,700 for one-way flights and ₩1,864,800 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Sep 21 - Sat, Sep 26
ORD
Chicago
SYD
Sydney
₩1,864,800 Roundtrip, found 4 days ago
₩1,864,800
Roundtrip
found 4 days ago
Select Delta flight, departing Mon, Sep 21 from Chicago to Sydney, returning Sat, Sep 26, priced at ₩1,864,800 found 4 days ago
Turkish Airlines
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,142,400 Roundtrip, found 2 days ago
₩2,142,400
Roundtrip
found 2 days ago
Select Turkish Airlines flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,142,400 found 2 days ago
United
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,221,200 Roundtrip, found 2 days ago
₩2,221,200
Roundtrip
found 2 days ago
Select United flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,221,200 found 2 days ago
American Airlines
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,234,400 Roundtrip, found 2 days ago
₩2,234,400
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,234,400 found 2 days ago
Qantas Airways
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,253,000 Roundtrip, found 2 days ago
₩2,253,000
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,253,000 found 2 days ago
American Airlines
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,254,400 Roundtrip, found 2 days ago
₩2,254,400
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,254,400 found 2 days ago
Qantas Airways
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,271,600 Roundtrip, found 2 days ago
₩2,271,600
Roundtrip
found 2 days ago
Select Qantas Airways flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,271,600 found 2 days ago
American Airlines
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,449,000 Roundtrip, found 2 days ago
₩2,449,000
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,449,000 found 2 days ago
American Airlines
Thu, Jan 29 - Fri, Feb 6
ORD
Chicago
SYD
Sydney
₩2,467,600 Roundtrip, found 2 days ago
₩2,467,600
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Jan 29 from Chicago to Sydney, returning Fri, Feb 6, priced at ₩2,467,600 found 2 days ago
United
Mon, Sep 21 - Sat, Sep 26
ORD
Chicago
SYD
Sydney
₩2,529,000 Roundtrip, found 4 days ago
₩2,529,000
Roundtrip
found 4 days ago
Select United flight, departing Mon, Sep 21 from Chicago to Sydney, returning Sat, Sep 26, priced at ₩2,529,000 found 4 days ago

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

May is typically the cheapest month to fly

From ₩1,107,925 - ₩2,362,668 per traveler.

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 ₩1,864,800. 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 canceled 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 kilometers to cover on the long-haul Chicago to Sydney route. Dress in comfy clothes and consider taking some noise-canceling 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

Origin airport
O'Hare Intl.
Destination airport
Kingsford Smith Intl.
Roundtrip price
₩1,864,800
Distance
14775 km

Book with confidence

Chicago to Sydney Flights

Sometimes you just need to get out of town or maybe you’re looking for a change of scenery. Regardless of the reason, a flight from Chicago to Sydney will do just the trick! Go on, plan to see all the famous landmarks and eat your weight in the local cuisine. Your trip is beckoning, so answer the call by packing your suitcase and filling your travel itinerary with exploring Sydney.

Whether you’re flying for business or jet-setting on your personal time, you’ve come to the right place. Here at Expedia.com, we’ll pair you up with ORD to SYD flights that won’t make your bank account wince. Ready to temporarily leave behind Chicago for new horizons? Browse through our cheap airfare, and filter by flight times and dates until you find just what you had in mind. From flights without layovers to ones that arrive early in the morning, you’ll come across plane tickets that suit your travel preferences. You can even bundle your flight to SYD with hotels and car rentals to score even bigger savings.

All set to hit the clouds? Book your travel arrangements with us today and have left-over money to put toward your travel outings and adventures.

Chicago to Sydney Flights

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