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Cheap flights from Sydney to Chicago O'Hare Intl Airport from $520

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Chicago O'Hare Intl Airport departing on 6/5. 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 Sydney to Chicago

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Sydney to Chicago.
9:20 am - 2:49 pmSYD-ORD
20h 29m1 stop
3:35 pm - 7:20 amORD-SYD
24h 45m1 stop
$861Air Canada
Find Deal
Thu, Aug 7 - Mon, Aug 25
9:20 am - 10:01 amSYD-ORD
39h 41m2 stops
7:58 pm - 7:20 amORD-SYD
44h 22m2 stops
$954Air Canada
Find Deal
Wed, May 21 - Sun, May 25
9:10 am - 3:55 pmSYD-ORD
21h 45m1 stop
7:13 pm - 7:05 amORD-SYD
20h 52m1 stop
$1,017Qantas Airways
Find Deal
Wed, May 21 - Sun, May 25
5:45 pm - 11:59 pmSYD-ORD
21h 14m1 stop
7:13 pm - 7:05 amORD-SYD
20h 52m1 stop
$1,021Qantas Airways
Find Deal
Thu, May 1 - Mon, May 19
9:30 pm - 11:23 amSYD-ORD
28h 53m1 stop
3:17 pm - 7:30 amORD-SYD
25h 13m2 stops
$1,056
Find Deal
Thu, May 1 - Mon, May 19
9:30 am - 6:55 pmSYD-ORD
24h 25m1 stop
4:09 pm - 6:55 amORD-SYD
23h 46m1 stop
$1,087United Airlines
Find Deal
Tue, Apr 22 - Tue, Apr 29
9:30 am - 5:00 pmSYD-ORD
22h 30m2 stops
3:52 pm - 7:00 amORD-SYD
24h 08m2 stops
$1,090United Airlines
Find Deal
Thu, May 1 - Mon, May 19
9:35 pm - 8:04 pmSYD-ORD
37h 29m2 stops
3:40 pm - 8:20 amORD-SYD
24h 40m1 stop
$1,128
Find Deal
Wed, Sep 3 - Fri, Oct 10
9:10 am - 3:56 pmSYD-ORD
21h 46m1 stop
5:02 pm - 7:05 amORD-SYD
23h 03m2 stops
$1,180American Airlines
Find Deal
Fri, Apr 25 - Fri, May 2
5:45 pm - 12:40 amSYD-ORD
21h 55m2 stops
5:02 pm - 7:05 amORD-SYD
23h 03m2 stops
$1,187American Airlines
Find Deal
Fri, Apr 25 - Fri, May 2

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

Our best Air Canada deals on Sydney to Chicago O'Hare Intl Airport flight tickets
Air Canada
Aug 7
SYD9:20 amSydney Kingsford Smith
20h 29m
1 stop
ORD2:49 pmChicago O'Hare Intl
Aug 25
ORD3:35 pmChicago O'Hare Intl
24h 45m
1 stop
SYD7:20 amSydney Kingsford Smith
Air Canada
May 21
SYD9:20 amSydney Kingsford Smith
39h 41m
2 stops
ORD10:01 amChicago O'Hare Intl
May 25
ORD7:58 pmChicago O'Hare Intl
44h 22m
2 stops
SYD7:20 amSydney Kingsford Smith
Air Canada
Jul 16
SYD9:20 amSydney Kingsford Smith
37h 39m
2 stops
ORD7:59 amChicago O'Hare Intl
Jul 30
ORD3:35 pmChicago O'Hare Intl
24h 45m
1 stop
SYD7:20 amSydney Kingsford Smith

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

Our best Qantas Airways deals on Sydney to Chicago O'Hare Intl Airport flight tickets
Qantas Airways
May 21
SYD9:10 amSydney Kingsford Smith
21h 45m
1 stop
ORD3:55 pmChicago O'Hare Intl
May 25
ORD7:13 pmChicago O'Hare Intl
20h 52m
1 stop
SYD7:05 amSydney Kingsford Smith
Qantas Airways
May 1
SYD5:45 pmSydney Kingsford Smith
21h 14m
1 stop
ORD11:59 pmChicago O'Hare Intl
May 19
ORD7:13 pmChicago O'Hare Intl
20h 52m
1 stop
SYD7:05 amSydney Kingsford Smith
Qantas Airways
Apr 15
SYD5:45 pmSydney Kingsford Smith
37h 11m
1 stop
ORD3:56 pmChicago O'Hare Intl
Apr 29
ORD7:20 pmChicago O'Hare Intl
20h 45m
1 stop
SYD7:05 amSydney Kingsford Smith

See travel insights to Chicago from

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

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 Chicago O'Hare Intl Airport?

The month of March is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Sydney averaging around $886.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Monday when prices can be found for as low as $886. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Sydney because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,619.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Sydney in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,274 when looking at flights departing in the afternoon. Try not to purchase tickets in the evening because they tend to be around $1,432. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Sydney when booking 21 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,098 when searching 21 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Sydney for as low as $849 on momondo.

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

As of March 2025, prices for Sydney to Chicago O'Hare Intl Airport flights are approximately 37% cheaper when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$520

Fastest flight time

20h 05m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Sydney in the past 72 hours is $520. The best round-trip flight deal from Sydney to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $861.
The fastest flight from Sydney to Chicago O'Hare Intl Airport takes 20h 05m
There are no direct flights from Sydney to Chicago O'Hare Intl Airport. Popular non-direct route for this connection is Sydney Kingsford Smith Airport - Chicago O'Hare Intl Airport.

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

    A flight from Sydney Kingsford Smith to Chicago O'Hare Intl will travel around 9224.8 mi. 20h 23m is a normal flight duration for this route.

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

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

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

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

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl 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.

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


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

Compare and see reviews for airlines that fly from Sydney to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $631Free CancellationRating
7.5
811 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $884Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Rockford
Schaumburg
Merrillville
Gurnee
Rosemont
Naperville
Kenosha
Joliet
South Haven
Oak Brook
Racine
Tinley Park
New Buffalo
South Holland
Hammond
Aurora
Elgin
Elk Grove Village
Orland Park

Why use momondo?

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

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 Sydney to Chicago for you.

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

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

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

Once all potential Sydney to Chicago 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 Sydney to Chicago right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Sydney to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.


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