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Cheap flights from Chicago O'Hare Intl Airport to Sydney from $460

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 1/26. 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 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.
1:23 pm - 9:00 amORD-SYD
26h 37m1 stop
11:15 am - 7:35 pmSYD-ORD
25h 20m1 stop
$860Qantas Airways
Find Deal
Mon, Dec 2 - Fri, Dec 6
9:50 am - 9:00 amORD-SYD
30h 10m1 stop
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
$862Qantas Airways
Find Deal
Sat, Feb 22 - Fri, Mar 7
6:50 pm - 7:05 amORD-SYD
21h 15m1 stop
9:10 am - 11:28 pmSYD-ORD
29h 18m1 stop
$868Qantas Airways
Find Deal
Sat, May 10 - Sat, May 17
9:50 am - 9:00 amORD-SYD
30h 10m1 stop
11:15 am - 11:59 pmSYD-ORD
29h 44m1 stop
$869Qantas Airways
Find Deal
Mon, Dec 2 - Tue, Dec 17
2:14 pm - 7:25 amORD-SYD
24h 11m1 stop
9:25 pm - 5:42 amSYD-ORD
25h 17m1 stop
$893American Airlines
Find Deal
Thu, Feb 6 - Thu, Feb 27
4:20 pm - 7:25 amORD-SYD
22h 05m1 stop
11:50 am - 4:15 pmSYD-ORD
21h 25m2 stops
$898American Airlines
Find Deal
Sat, Mar 1 - Sat, Mar 8
3:23 pm - 9:00 amORD-SYD
24h 37m1 stop
8:35 pm - 5:12 amSYD-ORD
25h 37m2 stops
$920British Airways
Find Deal
Fri, Dec 6 - Sun, Dec 22
11:35 am - 9:35 amORD-SYD
29h 00m2 stops
11:20 am - 7:55 pmSYD-ORD
25h 35m2 stops
$1,243Air Canada
Find Deal
Tue, Feb 18 - Sun, Feb 23
11:35 am - 8:20 amORD-SYD
28h 45m2 stops
9:20 am - 2:39 pmSYD-ORD
20h 19m1 stop
$1,244Air Canada
Find Deal
Tue, Apr 1 - Wed, Apr 16
8:50 am - 8:45 amORD-SYD
32h 55m2 stops
8:45 am - 9:11 pmSYD-ORD
27h 26m2 stops
$1,271Air New Zealand
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Sun, Apr 13 - Tue, Apr 22
8:25 pm - 7:25 amORD-SYD
42h 00m1 stop
$460Qantas Airways
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Sun, Jan 26
9:55 am - 6:35 amORD-SYD
29h 40m1 stop
$463American Airlines
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Wed, Apr 30
8:20 am - 6:35 amORD-SYD
29h 15m1 stop
$464American Airlines
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Mon, Dec 30
3:20 pm - 9:00 amORD-SYD
24h 40m1 stop
$493Qantas Airways
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Thu, Feb 6
9:03 am - 7:20 amORD-SYD
31h 17m3 stops
$786Air Canada
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Wed, Apr 30
2:02 pm - 7:00 amORD-SYD
23h 58m1 stop
$875United Airlines
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Thu, Jan 23
7:20 am - 8:35 amORD-SYD
32h 15m2 stops
$879Delta
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Thu, Jan 23
7:20 am - 9:35 amORD-SYD
33h 15m3 stops
$884Air Canada
Find Deal
Thu, Feb 6
9:05 pm - 7:00 amORD-SYD
40h 55m1 stop
$890United Airlines
Find Deal
Fri, Jan 24
7:05 am - 6:50 amORD-SYD
30h 45m2 stops
$1,217Delta
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Sat, Jan 11
5:00 pm - 9:00 amORD-SYD
23h 00m1 stop
11:15 am - 3:52 pmSYD-ORD
21h 37m1 stop
$878Qantas Airways
Find Deal
Mon, Nov 25 - Wed, Nov 27
6:00 pm - 9:00 amORD-SYD
22h 00m1 stop
5:25 pm - 11:59 pmSYD-ORD
23h 34m1 stop
$1,033Qantas Airways
Find Deal
Sun, Nov 24 - Sat, Dec 7
5:00 pm - 9:00 amORD-SYD
23h 00m1 stop
5:25 pm - 3:25 pmSYD-ORD
39h 00m1 stop
$1,034Qantas Airways
Find Deal
Sat, Nov 23 - Sun, Dec 8
3:40 pm - 9:35 amORD-SYD
24h 55m1 stop
4:00 pm - 2:39 pmSYD-ORD
39h 39m1 stop
$1,404Air Canada
Find Deal
Mon, Nov 25 - Mon, Dec 2
8:45 am - 9:35 amORD-SYD
31h 50m2 stops
4:00 pm - 8:05 amSYD-ORD
33h 05m2 stops
$1,409Air Canada
Find Deal
Mon, Nov 25 - Mon, Dec 2
11:45 am - 6:35 amORD-SYD
25h 50m1 stop
5:25 pm - 11:00 pmSYD-ORD
22h 35m1 stop
$1,418American Airlines
Find Deal
Mon, Nov 25 - Sun, Dec 1
3:14 pm - 6:35 amORD-SYD
22h 21m2 stops
5:25 pm - 5:02 amSYD-ORD
28h 37m1 stop
$1,422American Airlines
Find Deal
Mon, Nov 25 - Sun, Dec 1
5:50 pm - 9:05 amORD-SYD
22h 15m1 stop
11:45 am - 10:44 pmSYD-ORD
27h 59m2 stops
$1,949Air New Zealand
Find Deal
Mon, Nov 25 - Wed, Nov 27
1:00 pm - 10:25 amORD-SYD
28h 25m2 stops
1:55 pm - 8:23 pmSYD-ORD
23h 28m2 stops
$2,070Air New Zealand
Find Deal
Mon, Nov 25 - Wed, Nov 27
2:40 pm - 12:00 pmORD-SYD
28h 20m1 stop
4:45 pm - 1:00 pmSYD-ORD
61h 15m2 stops
$10,091Cathay Pacific
Find Deal
Fri, Nov 22 - Sun, Nov 24

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
Dec 2
ORD1:23 pmChicago O'Hare Intl
26h 37m
1 stop
SYD9:00 amSydney Kingsford Smith
Dec 6
SYD11:15 amSydney Kingsford Smith
25h 20m
1 stop
ORD7:35 pmChicago O'Hare Intl
Qantas Airways
Feb 22
ORD9:50 amChicago O'Hare Intl
30h 10m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 7
SYD11:15 amSydney Kingsford Smith
21h 44m
1 stop
ORD3:59 pmChicago O'Hare Intl
Qantas Airways
May 10
ORD6:50 pmChicago O'Hare Intl
21h 15m
1 stop
SYD7:05 amSydney Kingsford Smith
May 17
SYD9:10 amSydney Kingsford Smith
29h 18m
1 stop
ORD11:28 pmChicago O'Hare Intl

American Airlines flights from Chicago O'Hare Intl Airport to Sydney

Our best American Airlines deals on Chicago O'Hare Intl Airport to Sydney flight tickets
American Airlines
Feb 6
ORD2:14 pmChicago O'Hare Intl
24h 11m
1 stop
SYD7:25 amSydney Kingsford Smith
Feb 27
SYD9:25 pmSydney Kingsford Smith
25h 17m
1 stop
ORD5:42 amChicago O'Hare Intl
American Airlines
Mar 1
ORD4:20 pmChicago O'Hare Intl
22h 05m
1 stop
SYD7:25 amSydney Kingsford Smith
Mar 8
SYD11:50 amSydney Kingsford Smith
21h 25m
2 stops
ORD4:15 pmChicago O'Hare Intl
American Airlines
May 4
ORD3:25 pmChicago O'Hare Intl
24h 30m
1 stop
SYD6:55 amSydney Kingsford Smith
May 15
SYD5:35 pmSydney Kingsford Smith
27h 25m
1 stop
ORD6:00 amChicago O'Hare Intl

See travel insights to Sydney from

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 to Sydney?

In general, March is the cheapest month to fly from Chicago O'Hare Intl Airport to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,017. If you are unable to visit Sydney during the month of March, then departing from Chicago O'Hare Intl Airport during the month February is also very affordable. Most momondo users find prices during this month for around $1,187.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Chicago O'Hare Intl Airport to Sydney is on a Tuesday when prices can be found for as low as $1,303. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $1,463.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Sydney at noon for as low as $1,346. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $1,454. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Sydney?

The ideal time to book your flight to Sydney is 28 days in advance when prices tend to average $1,394. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Chicago O'Hare Intl Airport for as low as $916 on momondo.

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

You could potentially save up to 2% 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 24% 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

$460

Fastest flight time

20h 50m

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 $460. The best round-trip flight deal from Chicago O'Hare Intl Airport to Sydney found on momondo in the last 72 hours is $860.
The fastest flight from Chicago O'Hare Intl Airport to Sydney takes 20h 50m
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 50m 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 $846Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $853Free CancellationRating
8.0
8,755 reviews
Search Delta flights
Qantas AirwaysPriceFrom $869Free CancellationRating
7.6
820 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $916Free CancellationRating
7.4
9,172 reviews
Search United Airlines flights
Air CanadaPriceFrom $959Free CancellationRating
7.0
8,246 reviews
Search Air Canada flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
878 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?

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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