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Cheap flights from Chicago to Sydney from $684

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 26/2. 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 return flights

These are some of the best return 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 stopovers.

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.
14:14 - 09:00ORD-SYD
25h 46m1 stop
11:15 - 19:30SYD-ORD
25h 15m1 stop
$1,333Qantas Airways
Find Deal
Sat, 1 Feb - Sat, 15 Feb
17:40 - 09:00ORD-SYD
22h 20m1 stop
11:15 - 23:57SYD-ORD
29h 42m1 stop
$1,338Qantas Airways
Find Deal
Sat, 22 Feb - Sun, 2 Mar
17:40 - 09:00ORD-SYD
22h 20m1 stop
11:15 - 17:17SYD-ORD
23h 02m1 stop
$1,341Qantas Airways
Find Deal
Sat, 8 Feb - Thu, 20 Feb
09:51 - 07:25ORD-SYD
28h 34m1 stop
11:50 - 21:15SYD-ORD
26h 25m1 stop
$1,381American Airlines
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Sat, 8 Feb - Thu, 20 Feb
16:35 - 06:35ORD-SYD
21h 00m1 stop
11:50 - 16:20SYD-ORD
21h 30m2 stops
$1,389American Airlines
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Fri, 7 Feb - Sat, 15 Feb
15:19 - 09:25ORD-SYD
25h 06m2 stops
21:25 - 05:04SYD-ORD
23h 39m2 stops
$1,409Undisclosed Carrier
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Thu, 20 Feb - Sun, 16 Mar
11:45 - 06:35ORD-SYD
25h 50m1 stop
17:25 - 23:59SYD-ORD
23h 34m1 stop
$1,422British Airways
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Fri, 6 Dec - Sun, 15 Dec
06:00 - 06:35ORD-SYD
31h 35m1 stop
17:25 - 05:12SYD-ORD
28h 47m1 stop
$1,437British Airways
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Fri, 6 Dec - Sun, 15 Dec
11:35 - 09:35ORD-SYD
29h 00m2 stops
11:20 - 19:55SYD-ORD
25h 35m2 stops
$1,923Air Canada
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Tue, 18 Feb - Sun, 23 Feb
14:05 - 09:35ORD-SYD
26h 30m1 stop
11:20 - 14:39SYD-ORD
20h 19m1 stop
$1,930Air Canada
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Tue, 18 Feb - Sun, 23 Feb
09:50 - 09:00ORD-SYD
30h 10m1 stop
$684Qantas Airways
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Wed, 26 Feb
09:50 - 07:25ORD-SYD
28h 35m1 stop
$685Qantas Airways
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Wed, 19 Feb
12:56 - 07:25ORD-SYD
25h 29m1 stop
$716American Airlines
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Wed, 22 Jan
17:35 - 09:00ORD-SYD
22h 25m2 stops
$732American Airlines
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Wed, 5 Feb
06:50 - 08:50ORD-SYD
33h 00m3 stops
$1,013
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Wed, 19 Feb
10:38 - 12:30ORD-SYD
32h 52m3 stops
$1,039
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Mon, 9 Dec
09:03 - 08:20ORD-SYD
31h 17m3 stops
$1,216Air Canada
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Wed, 2 Apr
07:15 - 06:20ORD-SYD
30h 05m2 stops
$1,404United Airlines
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Wed, 22 Jan
21:13 - 09:35ORD-SYD
43h 22m2 stops
$1,503Air Canada
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Sat, 28 Dec
21:29 - 07:00ORD-SYD
40h 31m1 stop
$1,935United Airlines
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Sun, 29 Dec
18:49 - 09:00ORD-SYD
21h 11m1 stop
11:15 - 23:00SYD-ORD
28h 45m1 stop
$1,330Qantas Airways
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Thu, 21 Nov - Wed, 27 Nov
08:40 - 09:00ORD-SYD
31h 20m1 stop
11:15 - 23:00SYD-ORD
28h 45m1 stop
$1,344Qantas Airways
Find Deal
Tue, 19 Nov - Mon, 25 Nov
17:00 - 07:25ORD-SYD
21h 25m1 stop
11:15 - 15:52SYD-ORD
21h 37m1 stop
$1,473
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Thu, 21 Nov - Sat, 23 Nov
15:31 - 06:35ORD-SYD
22h 04m2 stops
11:50 - 16:10SYD-ORD
21h 20m2 stops
$1,763American Airlines
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Wed, 20 Nov - Mon, 25 Nov
18:49 - 09:00ORD-SYD
21h 11m1 stop
17:25 - 23:55SYD-ORD
23h 30m1 stop
$2,611American Airlines
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Fri, 22 Nov - Fri, 29 Nov
11:35 - 09:35ORD-SYD
29h 00m2 stops
11:20 - 07:56SYD-ORD
37h 36m3 stops
$2,866Air Canada
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Sat, 23 Nov - Sun, 8 Dec
13:30 - 08:35MDW-SYD
26h 05m2 stops
11:05 - 18:32SYD-MDW
24h 27m2 stops
$3,205Delta
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Tue, 19 Nov - Mon, 25 Nov
12:43 - 08:35MDW-SYD
26h 52m2 stops
11:05 - 17:54SYD-MDW
23h 49m2 stops
$3,282Delta
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Thu, 21 Nov - Wed, 27 Nov
15:40 - 22:25ORD-SYD
37h 45m2 stops
07:05 - 05:12SYD-ORD
39h 07m3 stops
$3,326
Find Deal
Sat, 23 Nov - Sun, 8 Dec
07:20 - 09:35ORD-SYD
33h 15m3 stops
11:20 - 07:56SYD-ORD
37h 36m2 stops
$3,539Air Canada
Find Deal
Tue, 19 Nov - Mon, 25 Nov

Delta flights from Chicago to Sydney

Our best Delta deals on Chicago to Sydney flight tickets
Delta
4 Feb
MDW12:44Chicago Midway
25h 06m
2 stops
SYD06:50Sydney Kingsford Smith
25 Feb
SYD14:15Sydney Kingsford Smith
25h 05m
2 stops
MDW22:20Chicago Midway
Delta
4 Feb
MDW09:34Chicago Midway
30h 01m
2 stops
SYD08:35Sydney Kingsford Smith
28 Feb
SYD11:05Sydney Kingsford Smith
24h 09m
2 stops
MDW18:14Chicago Midway
Delta
8 Feb
MDW10:57Chicago Midway
26h 53m
2 stops
SYD06:50Sydney Kingsford Smith
20 Feb
SYD11:05Sydney Kingsford Smith
23h 42m
2 stops
MDW17:47Chicago Midway

American Airlines flights from Chicago to Sydney

Our best American Airlines deals on Chicago to Sydney flight tickets
American Airlines
8 Feb
ORD09:51Chicago O'Hare Intl
28h 34m
1 stop
SYD07:25Sydney Kingsford Smith
20 Feb
SYD11:50Sydney Kingsford Smith
26h 25m
1 stop
ORD21:15Chicago O'Hare Intl
American Airlines
7 Feb
ORD16:35Chicago O'Hare Intl
21h 00m
1 stop
SYD06:35Sydney Kingsford Smith
15 Feb
SYD11:50Sydney Kingsford Smith
21h 30m
2 stops
ORD16:20Chicago O'Hare Intl
American Airlines
21 Mar
ORD12:08Chicago O'Hare Intl
27h 17m
1 stop
SYD07:25Sydney Kingsford Smith
30 Mar
SYD21:30Sydney Kingsford Smith
24h 42m
1 stop
ORD06:12Chicago O'Hare Intl

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. The most expensive is December.

What is the cheapest day to depart Chicago for Sydney?

Sunday. The cheapest day of the week is usually Sunday. The most expensive is usually Tuesday.

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

In the afternoon. Chicago to Sydney flights are approximately 36% more expensive at midday than in the afternoon

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

Air Canada. Air Canada and United Airlines 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 return 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

$684

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 $684. The best return flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,333.
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?

    Chicago and Sydney Kingsford Smith are 14866.2 km apart from one another. A reasonable flight in good conditions will take 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 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 stopovers 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 Kingsford Smith Airport.

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

    The necessary travel and health documents for your Sydney Kingsford Smith 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 licence 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.

  • 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
Air CanadaPriceFrom $1,493Free cancellationRating
7.0
8,230 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,744Free cancellationRating
7.4
9,168 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Chicago to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits 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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Chicago.

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.


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