Cheap flights from Chicago to Sydney

from as little as £1,248

7 nights in Sydney, departing Chicago O'hare International Airport on 13 / Jul / 2025 with Air New Zealand (price found 49 hours ago)

Subject to availability, prices correct of the last 24 hours
Sydney

The Chicago / Sydney route

All 14883 km of it

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Sydney

13 / Jul / 2025 is currently the lowest priced day of the year to fly the Chicago/Sydney route.

Not suitable? Try running another search or viewing all cheap flight deals.

Min / Max Temperature (°C)
LOWEST

8 °C

AVG

17 °C

HIGHEST

26 °C

Rainfall (mm)
LOWEST

60 mm

AVG

95.8 mm

HIGHEST

130 mm

Key facts about Sydney

How to get cheap flights from Chicago to Sydney

Tips and advice from our flight experts

We've gone through them all to help you find the right flight for you. If you can't find what you're looking for, consider widening your search by looking at flights from a different airport.

Both flight prices and accommodation rates fluctuate throughout the year, but searching by month will reveal the cheapest times to fly.

Last-minute deals can be cheaper, but it's risky. It's best to book flights to Sydney in advance to avoid disappointment.

Did you know you can also compare car hire and hotel prices in Australia with Netflights? Take a look to get an idea of prices in Sydney.

Other popular destinations near Sydney

Where other people are flying to

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