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Cheap flights from Chicago to Sydney from C$ 474

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Chicago to Sydney

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
2:15 p.m. - 12:12 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
7h 57m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 9:53 a.m.YQY  Sydney-ORD Chicago O'Hare Intl
6h 48m1 stop Toronto Pearson Intl
C$ 1,015Air Canada
Fri, 4 Sep - Mon, 7 Sep
Air Canada Logo
2:01 p.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 9:53 a.m.YQY  Sydney-ORD Chicago O'Hare Intl
6h 48m1 stop Toronto Pearson Intl
C$ 1,020Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
3:45 p.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
7h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 11:21 a.m.YQY  Sydney-ORD Chicago O'Hare Intl
8h 16m1 stop Toronto Pearson Intl
C$ 1,023Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
11:05 a.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 2:52 p.m.YQY  Sydney-ORD Chicago O'Hare Intl
11h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,025Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
3:45 p.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
7h 00m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 2:52 p.m.YQY  Sydney-ORD Chicago O'Hare Intl
11h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,029Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
2:01 p.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
8h 44m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 2:52 p.m.YQY  Sydney-ORD Chicago O'Hare Intl
11h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,033Air Canada
Tue, 8 Sep - Tue, 15 Sep
Air Canada Logo
3:45 p.m. - 12:12 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
6h 27m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 9:00 a.m.YQY  Sydney-ORD Chicago O'Hare Intl
5h 55m1 stop Toronto Pearson Intl
C$ 1,034Air Canada
Mon, 7 Sep - Mon, 14 Sep
Air Canada Logo
2:15 p.m. - 12:12 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
7h 57m1 stop Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 11:59 a.m.YQY  Sydney-ORD Chicago O'Hare Intl
8h 54m2 stops Toronto Pearson Intl Ottawa
C$ 1,036Air Canada
Wed, 2 Sep - Sun, 6 Sep
Air Canada Logo
11:05 a.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 9:53 a.m.YQY  Sydney-ORD Chicago O'Hare Intl
6h 48m1 stop Toronto Pearson Intl
C$ 1,040Air Canada
Wed, 9 Sep - Wed, 16 Sep
Air Canada Logo
11:05 a.m. - 12:45 a.m.ORD  Chicago O'Hare Intl-YQY Sydney
11h 40m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
5:05 a.m. - 2:52 p.m.YQY  Sydney-ORD Chicago O'Hare Intl
11h 47m2 stops Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl
C$ 1,044Air Canada
Wed, 9 Sep - Wed, 16 Sep

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Air Canada flights from Chicago to Sydney, Nova Scotia

Our best Air Canada deals on Chicago to Sydney, Nova Scotia flight tickets
Air Canada
4 Sep
ORD2:15 p.m.Chicago O'Hare Intl
7h 57m
1 stop
YQY12:12 a.m.Sydney
7 Sep
YQY5:05 a.m.Sydney
6h 48m
1 stop
ORD9:53 a.m.Chicago O'Hare Intl
C$ 1,015
Air Canada
8 Sep
ORD2:01 p.m.Chicago O'Hare Intl
8h 44m
2 stops
YQY12:45 a.m.Sydney
15 Sep
YQY5:05 a.m.Sydney
6h 48m
1 stop
ORD9:53 a.m.Chicago O'Hare Intl
C$ 1,020
Air Canada
8 Sep
ORD3:45 p.m.Chicago O'Hare Intl
7h 00m
1 stop
YQY12:45 a.m.Sydney
15 Sep
YQY5:05 a.m.Sydney
8h 16m
1 stop
ORD11:21 a.m.Chicago O'Hare Intl
C$ 1,023

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Sydney, Nova Scotia 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, momondo users made 96,600 searches. Data last updated 14 August 2026.
Use the filters below to find and compare flights from Chicago to Sydney, Nova Scotia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Fri 4/9

2:15 p.m.-12:12 a.m.

1 stop7h 57m

Sydney

Mon 7/9

5:05 a.m.-9:53 a.m.

1 stop6h 48m

C$ 1,015

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Tue 8/9

2:01 p.m.-12:45 a.m.

2 stops8h 44m

Sydney

Tue 15/9

5:05 a.m.-9:53 a.m.

1 stop6h 48m

C$ 1,020

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Tue 8/9

3:45 p.m.-12:45 a.m.

1 stop7h 00m

Sydney

Tue 15/9

5:05 a.m.-11:21 a.m.

1 stop8h 16m

C$ 1,023

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Tue 8/9

11:05 a.m.-12:45 a.m.

2 stops11h 40m

Sydney

Tue 15/9

5:05 a.m.-2:52 p.m.

2 stops11h 47m

C$ 1,025

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Tue 8/9

3:45 p.m.-12:45 a.m.

1 stop7h 00m

Sydney

Tue 15/9

5:05 a.m.-2:52 p.m.

2 stops11h 47m

C$ 1,029

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Tue 8/9

2:01 p.m.-12:45 a.m.

2 stops8h 44m

Sydney

Tue 15/9

5:05 a.m.-2:52 p.m.

2 stops11h 47m

C$ 1,033
Quickest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Mon 7/9

3:45 p.m.-12:12 a.m.

1 stop6h 27m

Sydney

Mon 14/9

5:05 a.m.-9:00 a.m.

1 stop5h 55m

C$ 1,034

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Wed 2/9

2:15 p.m.-12:12 a.m.

1 stop7h 57m

Sydney

Sun 6/9

5:05 a.m.-11:59 a.m.

2 stops8h 54m

C$ 1,036

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Wed 9/9

11:05 a.m.-12:45 a.m.

2 stops11h 40m

Sydney

Wed 16/9

5:05 a.m.-9:53 a.m.

1 stop6h 48m

C$ 1,040

ChicagoSydney

ORD Chicago O'Hare Intl - YQY Sydney

ORDYQY

Chicago O'Hare Intl

Wed 9/9

11:05 a.m.-12:45 a.m.

2 stops11h 40m

Sydney

Wed 16/9

5:05 a.m.-2:52 p.m.

2 stops11h 47m

C$ 1,044

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Chicago to Sydney, Nova Scotia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago to Sydney?

Air Canada is the most popular carrier operating from Chicago to Sydney

When to book flights from Chicago to Sydney, Nova Scotia

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Sydney, Nova Scotia according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Sydney, Nova Scotia (CHI to YQY) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Sydney, Nova Scotia

Fastest flight time

6h 56m

Direct flights

None
The fastest flight from Chicago to Sydney, Nova Scotia takes 6h 56m
There are no direct flights from Chicago to Sydney, Nova Scotia. There are no popular flight routes from Chicago to Sydney, Nova Scotia.
Search flight deals

Frequently asked questions about flying from Chicago to Sydney, Nova Scotia

  • How far is Chicago to Sydney by plane?

    There are 2231.5 km between Chicago and Sydney. In terms of flight time, this usually takes a little over 6h 56m.

  • When did momondo last update prices for flights from Chicago to Sydney Airport?

    Prices for flights from Chicago to Sydney Airport are updated daily.

  • How old do you have to be to fly from Chicago to Sydney Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Sydney Airport.

  • What documentation or ID do you need to fly to Sydney Airport?

    The necessary travel and health documents for your Sydney Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
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Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Chicago.

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

All flight searches from Chicago to Sydney on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Chicago to Sydney?

Once all potential Chicago to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Chicago to Sydney right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Chicago and alert you when they change.

An easier way to manage your Sydney, Nova Scotia trip

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Find better results for your trip to Canada

Airports servicing Nova Scotia

Halifax Intl Airport