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Cheap flights from Chicago O'Hare Intl Airport to Sydney from $430

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 O'Hare Intl Airport to Sydney departing on 3/13. 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 O'Hare Intl Airport to Sydney

Cheap round-trip flights

These are some of the best round-trip flight deals from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Sydney.

Cheap last minute flights

Planning a quick getaway from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Sydney

Find recent round-trip train or bus tickets from Chicago O'Hare Intl Airport to Sydney.

All round-trip flight deals to Sydney

The cheapest plane tickets to Sydney found on KAYAK recently.
6:45 pm - 9:00 amORD-SYD
22h 15m1 stop
5:25 pm - 11:34 pmSYD-ORD
22h 09m1 stop
$953Qantas Airways
Find Deal
Mon, Mar 10 - Mon, Mar 17
3:17 pm - 9:00 amORD-SYD
24h 43m1 stop
6:05 am - 3:20 pmSYD-ORD
26h 15m2 stops
$956Qantas Airways
Find Deal
Tue, Feb 18 - Sun, Feb 23
1:20 pm - 6:10 amORD-SYD
25h 50m1 stop
9:30 pm - 6:03 amSYD-ORD
23h 33m1 stop
$1,024American Airlines
Find Deal
Tue, Apr 29 - Sun, May 4
8:05 am - 6:35 amORD-SYD
29h 30m1 stop
5:25 pm - 4:56 amSYD-ORD
28h 31m1 stop
$1,035American Airlines
Find Deal
Tue, Feb 18 - Sun, Feb 23
3:40 pm - 9:35 amORD-SYD
24h 55m1 stop
11:20 am - 2:39 pmSYD-ORD
20h 19m1 stop
$1,254Air Canada
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Tue, Feb 11 - Wed, Feb 26
11:35 am - 9:35 amORD-SYD
29h 00m2 stops
11:20 am - 7:55 pmSYD-ORD
25h 35m2 stops
$1,255Air Canada
Find Deal
Tue, Feb 4 - Tue, Feb 18
10:49 am - 8:45 amORD-SYD
28h 56m2 stops
1:55 pm - 11:19 pmSYD-ORD
26h 24m2 stops
$1,329Air New Zealand
Find Deal
Tue, Jan 28 - Wed, Feb 12
6:00 pm - 7:00 amORD-SYD
22h 00m1 stop
9:30 am - 8:22 pmSYD-ORD
25h 52m1 stop
$1,348United Airlines
Find Deal
Sun, Apr 27 - Sun, May 4
6:22 pm - 9:15 amORD-SYD
21h 53m1 stop
11:20 am - 8:25 pmSYD-ORD
26h 05m1 stop
$1,359United Airlines
Find Deal
Wed, Feb 12 - Mon, Feb 24
9:05 pm - 8:45 amORD-SYD
42h 40m2 stops
9:55 am - 7:59 pmSYD-ORD
27h 04m2 stops
$1,410Air New Zealand
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Fri, Jan 24 - Sun, Feb 9
6:45 pm - 9:00 amORD-SYD
22h 15m1 stop
$430Qantas Airways
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Thu, Mar 13
3:05 pm - 10:50 amORD-SYD
27h 45m2 stops
$444Qantas Airways
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Sat, Mar 15
6:45 pm - 7:05 amORD-SYD
21h 20m1 stop
$446Qantas Airways
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Sun, Apr 13
10:00 am - 6:35 amORD-SYD
27h 35m1 stop
$462American Airlines
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Thu, Feb 6
8:38 am - 6:10 amORD-SYD
28h 32m1 stop
$606American Airlines
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Sun, Dec 29
7:20 am - 8:35 amORD-SYD
33h 15m3 stops
$728Air Canada
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Sun, Mar 16
1:00 pm - 7:20 amORD-SYD
27h 20m2 stops
$761Air Canada
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Mon, Apr 28
8:25 pm - 9:15 amORD-SYD
43h 50m1 stop
$784United Airlines
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Sat, Jan 25
2:35 pm - 6:20 amORD-SYD
22h 45m1 stop
$785United Airlines
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Wed, Jan 22
9:29 pm - 8:45 amORD-SYD
42h 16m2 stops
$1,282Air New Zealand
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Sat, Dec 28
5:00 pm - 9:00 amORD-SYD
23h 00m1 stop
9:35 pm - 12:25 pmSYD-ORD
31h 50m2 stops
$1,376Qantas Airways
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Thu, Nov 7 - Sat, Nov 9
9:49 am - 9:00 amORD-SYD
30h 11m1 stop
9:35 pm - 9:10 pmSYD-ORD
40h 35m2 stops
$1,452Qantas Airways
Find Deal
Sat, Nov 9 - Mon, Nov 11
4:20 pm - 9:15 amORD-SYD
23h 55m1 stop
11:20 am - 2:35 pmSYD-ORD
44h 15m1 stop
$1,673United Airlines
Find Deal
Wed, Nov 6 - Mon, Dec 2
3:24 pm - 2:25 pmORD-SYD
30h 01m2 stops
9:35 pm - 1:25 pmSYD-ORD
32h 50m2 stops
$1,835Qantas Airways
Find Deal
Thu, Nov 7 - Sat, Nov 9
5:00 pm - 1:25 pmORD-SYD
27h 25m2 stops
9:35 pm - 7:19 pmSYD-ORD
38h 44m2 stops
$1,885Qantas Airways
Find Deal
Sat, Nov 9 - Mon, Nov 11
10:50 am - 9:05 amORD-SYD
29h 15m1 stop
1:55 pm - 7:30 pmSYD-ORD
22h 35m2 stops
$2,187Air New Zealand
Find Deal
Fri, Nov 8 - Sun, Nov 10
2:00 pm - 8:45 amORD-SYD
25h 45m2 stops
1:55 pm - 7:30 pmSYD-ORD
22h 35m2 stops
$2,213Air New Zealand
Find Deal
Fri, Nov 8 - Sun, Nov 10
2:21 pm - 7:00 amORD-SYD
23h 39m1 stop
11:20 am - 2:30 pmSYD-ORD
44h 10m1 stop
$2,416United Airlines
Find Deal
Wed, Nov 6 - Sun, Dec 1
2:40 pm - 8:30 pmORD-SYD
36h 50m2 stops
9:35 pm - 1:00 pmSYD-ORD
32h 25m2 stops
$10,775Cathay Pacific
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Sat, Nov 9 - Mon, Dec 2
5:02 pm - 9:00 amORD-SYD
22h 58m2 stops
11:15 am - 5:40 pmSYD-ORD
23h 25m2 stops
$26,202American Airlines
Find Deal
Wed, Nov 6 - Wed, Nov 13

Air Canada flights from Chicago O'Hare Intl Airport to Sydney

Our best Air Canada deals on Chicago O'Hare Intl Airport to Sydney flight tickets
Air Canada
Feb 11
ORD3:40 pmChicago O'Hare Intl
24h 55m
1 stop
SYD9:35 amSydney Kingsford Smith
Feb 26
SYD11:20 amSydney Kingsford Smith
20h 19m
1 stop
ORD2:39 pmChicago O'Hare Intl
Air Canada
Feb 4
ORD11:35 amChicago O'Hare Intl
29h 00m
2 stops
SYD9:35 amSydney Kingsford Smith
Feb 18
SYD11:20 amSydney Kingsford Smith
25h 35m
2 stops
ORD7:55 pmChicago O'Hare Intl
Air Canada
Feb 4
ORD8:45 amChicago O'Hare Intl
31h 50m
2 stops
SYD9:35 amSydney Kingsford Smith
Feb 17
SYD11:20 amSydney Kingsford Smith
37h 37m
3 stops
ORD7:57 amChicago O'Hare Intl

Qantas Airways flights from Chicago O'Hare Intl Airport to Sydney

Our best Qantas Airways deals on Chicago O'Hare Intl Airport to Sydney flight tickets
Qantas Airways
Mar 10
ORD6:45 pmChicago O'Hare Intl
22h 15m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 17
SYD5:25 pmSydney Kingsford Smith
22h 09m
1 stop
ORD11:34 pmChicago O'Hare Intl
Qantas Airways
Feb 18
ORD3:17 pmChicago O'Hare Intl
24h 43m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 23
SYD6:05 amSydney Kingsford Smith
26h 15m
2 stops
ORD3:20 pmChicago O'Hare Intl
Qantas Airways
Dec 2
ORD5:00 pmChicago O'Hare Intl
23h 00m
1 stop
SYD9:00 amSydney Kingsford Smith
Dec 6
SYD11:15 amSydney Kingsford Smith
25h 20m
1 stop
ORD7:35 pmChicago O'Hare Intl

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 cheapest month to fly from Chicago O'Hare Intl Airport to Sydney?

March. The cheapest time of year to fly to Sydney from Chicago O'Hare Intl Airport is March. Most expensive is December

What is the cheapest day to depart Chicago O'Hare Intl Airport for Sydney?

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

When is the cheapest time to fly from Chicago O'Hare Intl Airport to Sydney?

At noon. Chicago O'Hare Intl Airport to Sydney flights are approximately 12% more expensive in the morning than at noon

What is the cheapest airline that flies to Sydney from Chicago O'Hare Intl Airport?

Delta. Delta, Cathay Pacific, and Air Canada are the most popular carriers operating from Chicago O'Hare Intl Airport to Sydney

How far in advance should you book Chicago O'Hare Intl Airport to Sydney flights?

25 days before. The cheapest time to buy a flight from Chicago O'Hare Intl Airport to Sydney is approximately 25 days to departure

Can stopping save me money on Chicago O'Hare Intl Airport to Sydney flights?

You could potentially save up to 3% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Sydney flight.

How have Chicago O'Hare Intl Airport to Sydney flight prices changed over time?

As of November 2024, prices for Chicago O'Hare Intl Airport to Sydney flights are approximately 25% cheaper when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Sydney

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

Cheap Chicago O'Hare Intl Airport to Sydney (ORD to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Sydney

Best Price Found

$430

Fastest flight time

20h 20m

Direct flights

None

Airports in Sydney

1 airport
The best one-way flight to Sydney from Chicago O'Hare Intl Airport in the past 72 hours is $430. The best round-trip flight deal from Chicago O'Hare Intl Airport to Sydney found on momondo in the last 72 hours is $953.
The fastest flight from Chicago O'Hare Intl Airport to Sydney takes 20h 20m
There are no direct flights from Chicago O'Hare Intl Airport to Sydney. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Sydney Kingsford Smith Airport.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)

  • How far is Chicago O'Hare Intl to Sydney Kingsford Smith by plane?

    Sydney Kingsford Smith is 9224.8 mi away from Chicago O'Hare Intl. 20h 20m is a normal flight duration for this route.

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

    Prices for flights from Chicago O'Hare Intl Airport to Sydney Kingsford Smith Airport are refreshed on a daily basis.

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Sydney Kingsford Smith Airport.

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

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Sydney?


Best airlines flying from Chicago O'Hare Intl Airport to Sydney

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Sydney with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $839Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $853Free CancellationRating
8.0
8,830 reviews
Search Delta flights
United AirlinesPriceFrom $915Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
Air CanadaPriceFrom $958Free CancellationRating
7.0
8,130 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $958Free CancellationRating
7.5
832 reviews
Search Qantas Airways flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.7
876 reviews
Search Cathay Pacific flights
Air New ZealandPriceFrom $1,211Free CancellationRating
8.0
530 reviews
Search Air New Zealand flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Sydney. Millions of users trust and use momondo every year so you are in good hands.

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?

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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