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Cheap flights from Chicago to Sydney, NS from C$ 446

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YQY
4 Aug — 11 Aug1
1 adult

Cheap flight deals from Chicago to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Sydney (YQY). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 30 July 2025.

Round-trip from

C$ 861

One-way from

C$ 446
Air Canada
  • Air Canada
  • 2/10-9/10
  • 2 total stops
  • 11h 00m total
  • Chicago to Sydney
Search Deals
Air Canada
  • Air Canada
  • 30/8
  • 1 total stop
  • 5h 14m total
  • Chicago to Sydney
Search Deals

Find flight deals from Chicago to Sydney

Cheapest flights from Chicago to Sydney
Explore the most affordable flight options available from Chicago to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 July 2025.

Thu 2/108:40 a.m.ORD - YQY
1 stop5h 08mAir Canada
Thu 9/104:30 p.m.YQY - ORD
1 stop5h 52mAir Canada
Deal found 29/7C$ 861

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Sydney 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, Cheapflights users made 629,999 searches. Data last updated 30 July 2025.
Use the filters below to find and compare flights from Chicago to Sydney that are best for you.

Fly from

Chicago

Fly to

Sydney

Route

Depart

Return

Price

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Thu 2/10

8:40 a.m.-3:48 p.m.

1 stop5h 08m

Sydney

Thu 9/10

4:30 p.m.-8:22 p.m.

1 stop5h 52m

C$ 861

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 30/8

8:40 a.m.-3:54 p.m.

1 stop5h 14m

C$ 446

ChicagoSydney

ORD - YQY

ORDYQY

Chicago O'Hare Intl

Sat 30/8

11:15 a.m.-2:30 p.m.

3 stops49h 15m

C$ 572

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Best time to book a flight from Chicago to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Sydney
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 30 July 2025.
See what other customers who have flown with Air Canada from Chicago to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Canada
7.1
Good
9,837 reviews
Check prices

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2024

YYT - YHZ

No leg room plane was so small no room to move no room to sit squat in your seat my legs were so swollen up at the end of flight
Air Canada
7.1
Good
9,837 reviews
Air Canada
7.1
Good
9,837 reviews
Check prices

Food

6.3

Comfort

7.1

Boarding

7.3

Overall

7.1

Entertainment

6.8

Crew

7.8

Reviews

1 / 20
2.0
Mediocre

Anonymous,Nov 2024

YYT - YHZ

No leg room plane was so small no room to move no room to sit squat in your seat my legs were so swollen up at the end of flight

Related info for your journey

Find useful and relevant information for your journey from Chicago to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Chicago?

    Sydney (YQY), located 11.2 km from the city centre, is the airport you fly into when you book flights from Chicago to Sydney. 0 airlines have flights to Sydney from Chicago on a regular basis. Booking flights from Chicago to Sydney should not be difficult; the airport handles an average of 0 inbound flights from Chicago per day.

  • Can I find deals for flights from Chicago to Sydney that include hotel bookings?

    Yes. In addition to deals on Chicago to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sydney.

  • Can I find deals for business class flights from Chicago to Sydney?

    Yes. Cheapflights offers flight deals from Chicago to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Sydney, Nova Scotia?

    Currently, January is the cheapest month in which you can book a flight from Chicago to Sydney, Nova Scotia (average of C$ 375). Flying from Chicago to Sydney, Nova Scotia in December is currently the most expensive (average of C$ 682). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Why should you use Cheapflights to find cheap flight tickets from Chicago to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chicago to Sydney.

Can Cheapflights find flights from Chicago to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Chicago to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Chicago to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Chicago today and book when prices fit your budget.

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