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Cheap flights from Chicago to Sydney from $442

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 2/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to Sydney

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago to Sydney that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Sydney.

Cheap last minute flights

Planning a quick getaway from Chicago to Sydney? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Sydney, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Sydney

Find recent round-trip train or bus tickets from Chicago to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
12:39 pm - 6:10 amORD-SYD
24h 31m1 stop
5:25 pm - 11:57 pmSYD-ORD
23h 32m1 stop
$893American Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 27
3:00 pm - 6:35 amORD-SYD
22h 35m2 stops
9:25 pm - 5:42 amSYD-ORD
25h 17m1 stop
$898American Airlines
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Fri, Feb 7 - Thu, Feb 20
5:10 pm - 9:00 amORD-SYD
22h 50m1 stop
11:15 am - 11:59 pmSYD-ORD
29h 44m1 stop
$901Qantas Airways
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Thu, Dec 5 - Thu, Dec 12
5:40 pm - 9:00 amORD-SYD
22h 20m1 stop
6:05 am - 2:01 pmSYD-ORD
24h 56m2 stops
$906Qantas Airways
Find Deal
Sat, Feb 8 - Sun, Feb 23
7:20 am - 9:35 amORD-SYD
33h 15m2 stops
11:20 am - 7:55 pmSYD-ORD
25h 35m2 stops
$1,243Air Canada
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Tue, Feb 4 - Mon, Feb 17
8:46 am - 9:35 amORD-SYD
55h 49m2 stops
11:20 am - 2:45 pmSYD-ORD
44h 25m3 stops
$1,258Air Canada
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Sat, Feb 15 - Wed, Feb 26
9:00 am - 9:05 amORD-SYD
31h 05m1 stop
12:10 pm - 8:03 pmSYD-ORD
24h 53m1 stop
$1,407United Airlines
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Wed, Feb 12 - Wed, Feb 26
12:44 pm - 6:50 amMDW-SYD
25h 06m2 stops
2:15 pm - 10:20 pmSYD-MDW
25h 05m2 stops
$1,421Delta
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Tue, Feb 4 - Tue, Feb 25
1:55 pm - 9:05 amORD-SYD
26h 10m1 stop
12:10 pm - 11:19 pmSYD-ORD
28h 09m1 stop
$1,457United Airlines
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Fri, Jan 24 - Tue, Feb 4
9:34 am - 8:35 amMDW-SYD
30h 01m2 stops
11:05 am - 6:14 pmSYD-MDW
24h 09m2 stops
$1,471Delta
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Tue, Feb 4 - Fri, Feb 28
9:50 am - 9:00 amORD-SYD
30h 10m1 stop
$442Qantas Airways
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Wed, Feb 26
9:50 am - 7:25 amORD-SYD
28h 35m1 stop
$443Qantas Airways
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Wed, Feb 19
8:20 am - 6:35 amORD-SYD
29h 15m1 stop
$463American Airlines
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Tue, Dec 31
5:35 pm - 9:00 amORD-SYD
22h 25m2 stops
$473American Airlines
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Wed, Feb 5
9:03 am - 8:20 amORD-SYD
31h 17m3 stops
$786Air Canada
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Wed, Apr 2
7:15 am - 6:20 amORD-SYD
30h 05m2 stops
$908United Airlines
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Wed, Jan 22
9:13 pm - 9:35 amORD-SYD
43h 22m2 stops
$972Air Canada
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Sat, Dec 28
11:19 am - 6:50 amMDW-SYD
26h 31m2 stops
$977Delta
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Sat, Jan 18
12:44 pm - 8:35 amMDW-SYD
26h 51m2 stops
$1,000Delta
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Mon, Dec 9
9:29 pm - 7:00 amORD-SYD
40h 31m1 stop
$1,251United Airlines
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Sun, Dec 29
5:57 pm - 6:10 amORD-SYD
43h 13m1 stop
9:35 pm - 1:25 pmSYD-ORD
32h 50m2 stops
$944Qantas Airways
Find Deal
Wed, Nov 20 - Mon, Nov 25
5:00 pm - 7:25 amORD-SYD
21h 25m1 stop
11:15 am - 3:52 pmSYD-ORD
21h 37m1 stop
Thu, Nov 21 - Sat, Nov 23
3:31 pm - 6:35 amORD-SYD
22h 04m2 stops
11:50 am - 4:10 pmSYD-ORD
21h 20m2 stops
$1,140American Airlines
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Wed, Nov 20 - Mon, Nov 25
6:49 pm - 9:00 amORD-SYD
21h 11m1 stop
5:25 pm - 11:55 pmSYD-ORD
23h 30m1 stop
$1,688American Airlines
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Fri, Nov 22 - Fri, Nov 29
11:35 am - 9:35 amORD-SYD
29h 00m2 stops
11:20 am - 7:56 amSYD-ORD
37h 36m3 stops
$1,853Air Canada
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Sat, Nov 23 - Sun, Dec 8
1:30 pm - 8:35 amMDW-SYD
26h 05m2 stops
11:05 am - 6:32 pmSYD-MDW
24h 27m2 stops
$2,072Delta
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Tue, Nov 19 - Mon, Nov 25
12:43 pm - 8:35 amMDW-SYD
26h 52m2 stops
11:05 am - 5:54 pmSYD-MDW
23h 49m2 stops
$2,122Delta
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Thu, Nov 21 - Wed, Nov 27
7:20 am - 9:35 amORD-SYD
33h 15m3 stops
11:20 am - 7:56 amSYD-ORD
37h 36m2 stops
$2,288Air Canada
Find Deal
Tue, Nov 19 - Mon, Nov 25
6:00 am - 6:55 amMDW-SYD
31h 55m2 stops
9:10 am - 9:46 pmSYD-MDW
53h 36m2 stops
$3,438Korean Air
Find Deal
Fri, Nov 22 - Sun, Nov 24
6:00 am - 6:55 amMDW-SYD
31h 55m2 stops
9:10 am - 11:58 amSYD-MDW
43h 48m2 stops
$4,286Korean Air
Find Deal
Thu, Nov 21 - Sat, Nov 23

American Airlines flights from Chicago to Sydney

Our best American Airlines deals on Chicago to Sydney flight tickets
American Airlines
Feb 6
ORD12:39 pmChicago O'Hare Intl
24h 31m
1 stop
SYD6:10 amSydney Kingsford Smith
Feb 27
SYD5:25 pmSydney Kingsford Smith
23h 32m
1 stop
ORD11:57 pmChicago O'Hare Intl
American Airlines
Feb 7
ORD3:00 pmChicago O'Hare Intl
22h 35m
2 stops
SYD6:35 amSydney Kingsford Smith
Feb 20
SYD9:25 pmSydney Kingsford Smith
25h 17m
1 stop
ORD5:42 amChicago O'Hare Intl
American Airlines
Jan 17
ORD2:14 pmChicago O'Hare Intl
24h 11m
1 stop
SYD7:25 amSydney Kingsford Smith
Feb 3
SYD11:50 amSydney Kingsford Smith
26h 24m
1 stop
ORD9:14 pmChicago O'Hare Intl

Delta flights from Chicago to Sydney

Our best Delta deals on Chicago to Sydney flight tickets
Delta
Feb 4
MDW12:44 pmChicago Midway
25h 06m
2 stops
SYD6:50 amSydney Kingsford Smith
Feb 25
SYD2:15 pmSydney Kingsford Smith
25h 05m
2 stops
MDW10:20 pmChicago Midway
Delta
Feb 4
MDW9:34 amChicago Midway
30h 01m
2 stops
SYD8:35 amSydney Kingsford Smith
Feb 28
SYD11:05 amSydney Kingsford Smith
24h 09m
2 stops
MDW6:14 pmChicago Midway
Delta
Feb 8
MDW9:34 amChicago Midway
28h 16m
2 stops
SYD6:50 amSydney Kingsford Smith
Feb 20
SYD11:05 amSydney Kingsford Smith
24h 09m
2 stops
MDW6:14 pmChicago Midway

How to get the cheapest flight ticket from Chicago to Sydney

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 typical price of a round-trip flight between Chicago and Sydney?

What is the cheapest month to fly from Chicago to Sydney?

March. The cheapest time of year to fly to Sydney from Chicago is March. Most expensive is December

What is the cheapest day to depart Chicago for Sydney?

Tuesday. The cheapest day of the week is typically Tuesday. The most expensive is typically Friday

When is the cheapest time to fly from Chicago to Sydney?

At noon. Chicago to Sydney flights are approximately 8% more expensive in the morning than at noon

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

Delta. Delta, American Airlines, and Cathay Pacific are the most popular carriers operating from Chicago to Sydney

What is the cheapest Chicago to Sydney flight route?

Chicago O'Hare Intl - Sydney Kingsford Smith. Fly from Chicago O'Hare Intl to Sydney Kingsford Smith for the best Chicago - Sydney flight prices

How far in advance should you book Chicago to Sydney flights?

28 days before. The cheapest time to buy a flight from Chicago to Sydney is approximately 28 days to departure

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 4% on your flight if you consider stops on a Chicago to Sydney flight.

How have Chicago to Sydney flight prices changed over time?

As of November 2024, prices for Chicago to Sydney flights are approximately 31% cheaper when compared to flights at the same time last year.

When to book flights from Chicago to Sydney

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

Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

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

Best Price Found

$442

Fastest flight time

20h 40m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Chicago in the past 72 hours is $442. The best round-trip flight deal from Chicago to Sydney found on momondo in the last 72 hours is $893.
The fastest flight from Chicago to Sydney takes 20h 40m
There are no direct flights from Chicago to Sydney. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Sydney Kingsford Smith Airport and Chicago Midway Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Chicago to Sydney Kingsford Smith by plane?

    There are 9237.5 mi between Chicago and Sydney Kingsford Smith. By plane, this route typically takes 20h 40m.

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

    Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.

  • How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago to Sydney Kingsford Smith Airport.

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

    The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago to Sydney?


Best airlines flying from Chicago to Sydney

Compare and see reviews for airlines that fly from Chicago to Sydney with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $846Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $853Free CancellationRating
8.0
8,766 reviews
Search Delta flights
Qantas AirwaysPriceFrom $902Free CancellationRating
7.6
819 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $916Free CancellationRating
7.4
9,168 reviews
Search United Airlines flights
Air CanadaPriceFrom $960Free CancellationRating
7.0
8,230 reviews
Search Air Canada flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
874 reviews
Search Cathay Pacific flights
Air New ZealandPriceFrom $1,200Free CancellationRating
8.0
529 reviews
Search Air New Zealand flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Sydney for you.

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

Yes. momondo enables you to select and highlight flights to Sydney from Chicago with this policy.

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

Once you have performed a search for Chicago to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Chicago to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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