Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Chicago O'Hare Intl Airport from $421

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 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Deals available from 900+ travel sites.

Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.
Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.
Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.
Price Alerts
Price Alerts
Not ready to book? to track prices.

Find the cheapest flights from Sydney to Chicago

Cheap round-trip flights

These are some of the best round-trip flight deals from Sydney to Chicago 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 Sydney to Chicago.

Cheap last minute flights

Planning a quick getaway from Sydney to Chicago? 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 Chicago, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Sydney to Chicago

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

All round-trip flight deals from Sydney to Chicago

The cheapest plane tickets from Sydney to Chicago found on KAYAK recently.
11:15 am - 3:55 pmSYD-ORD
20h 40m1 stop
7:13 pm - 8:05 amORD-SYD
20h 52m1 stop
$701Qantas Airways
Find Deal
Mon, Mar 24 - Mon, Mar 31
6:35 pm - 11:59 pmSYD-ORD
21h 24m1 stop
4:50 pm - 7:05 amORD-SYD
23h 15m1 stop
$702Qantas Airways
Find Deal
Tue, Apr 1 - Thu, May 8
4:55 pm - 3:55 pmSYD-ORD
39h 00m2 stops
9:45 am - 8:05 amORD-SYD
30h 20m1 stop
Mon, Mar 24 - Mon, Mar 31
2:00 pm - 11:13 pmSYD-ORD
26h 13m2 stops
11:35 am - 12:30 pmORD-SYD
31h 55m2 stops
Mon, Feb 10 - Mon, Feb 17
11:20 am - 2:39 pmSYD-ORD
20h 19m1 stop
7:20 am - 8:35 amORD-SYD
33h 15m2 stops
$1,043Air Canada
Find Deal
Thu, Mar 6 - Thu, Mar 13
10:20 am - 7:57 amSYD-ORD
37h 37m2 stops
7:20 am - 8:20 amORD-SYD
33h 00m3 stops
$1,089Air Canada
Find Deal
Mon, Mar 24 - Mon, Mar 31
11:50 am - 7:16 pmSYD-ORD
46h 26m2 stops
5:45 pm - 7:15 pmORD-SYD
34h 30m1 stop
$1,596ANA
Find Deal
Sat, Jun 28 - Thu, Jul 17
8:10 am - 5:42 amSYD-ORD
38h 32m3 stops
12:00 pm - 9:25 amORD-SYD
52h 25m3 stops
$1,741China Southern
Find Deal
Thu, Feb 13 - Thu, Mar 6
10:05 am - 5:07 amSYD-ORD
34h 02m2 stops
4:45 pm - 8:25 amORD-SYD
48h 40m3 stops
$2,099China Southern
Find Deal
Sat, Jun 28 - Thu, Jul 17
12:25 pm - 5:11 amSYD-ORD
32h 46m2 stops
5:45 pm - 8:15 pmORD-SYD
34h 30m1 stop
$4,548ANA
Find Deal
Wed, Mar 26 - Mon, Mar 31
5:25 pm - 5:59 pmSYD-ORD
41h 34m2 stops
Mon, Feb 10
11:15 am - 7:43 pmSYD-ORD
24h 28m1 stop
$448Qantas Airways
Find Deal
Sat, Mar 22
5:35 pm - 11:28 pmSYD-ORD
20h 53m1 stop
$449Qantas Airways
Find Deal
Mon, Jun 2
1:45 pm - 9:16 pmSYD-ORD
22h 31m2 stops
$717Fiji Airways
Find Deal
Sat, Apr 26
10:20 am - 6:08 amSYD-ORD
34h 48m2 stops
$822United Airlines
Find Deal
Mon, Jul 14
9:30 am - 8:04 amSYD-ORD
37h 34m2 stops
$828United Airlines
Find Deal
Wed, Jun 25
8:45 am - 1:00 pmSYD-ORD
45h 15m1 stop
$850Cathay Pacific
Find Deal
Mon, Feb 24
7:35 am - 2:25 pmSYD-ORD
45h 50m1 stop
$852Cathay Pacific
Find Deal
Tue, Jul 8
9:25 am - 9:21 pmSYD-ORD
26h 56m2 stops
$887Delta
Find Deal
Fri, Jul 4
9:25 am - 8:31 amSYD-ORD
38h 06m2 stops
$994Delta
Find Deal
Sun, Jun 29
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
5:40 pm - 9:00 amORD-SYD
22h 20m1 stop
$751Qantas Airways
Find Deal
Thu, Jan 23 - Fri, Jan 31
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
2:14 pm - 9:00 amORD-SYD
25h 46m1 stop
$762Qantas Airways
Find Deal
Thu, Jan 23 - Fri, Jan 31
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
3:20 pm - 9:50 amORD-SYD
25h 30m2 stops
$844Qantas Airways
Find Deal
Thu, Jan 23 - Fri, Jan 31
11:15 am - 3:59 pmSYD-ORD
21h 44m1 stop
8:40 am - 9:50 amORD-SYD
32h 10m2 stops
$862Qantas Airways
Find Deal
Thu, Jan 23 - Fri, Jan 31
11:15 am - 4:35 pmSYD-ORD
22h 20m2 stops
5:35 pm - 9:00 amORD-SYD
22h 25m2 stops
$1,195American Airlines
Find Deal
Thu, Jan 23 - Fri, Jan 31
12:10 pm - 6:55 pmSYD-ORD
23h 45m2 stops
12:55 pm - 6:20 amORD-SYD
24h 25m2 stops
$1,196United Airlines
Find Deal
Thu, Jan 23 - Fri, Jan 31
11:20 am - 10:54 amSYD-ORD
40h 34m3 stops
6:28 pm - 9:35 amORD-SYD
46h 07m2 stops
$1,308Air Canada
Find Deal
Thu, Jan 23 - Fri, Jan 31
11:20 am - 8:05 amSYD-ORD
37h 45m3 stops
2:05 pm - 9:35 amORD-SYD
26h 30m2 stops
$1,359Air Canada
Find Deal
Thu, Jan 23 - Fri, Jan 31
7:05 am - 7:31 pmSYD-ORD
29h 26m3 stops
2:14 pm - 8:40 pmORD-SYD
37h 26m3 stops
$2,232Air Tahiti Nui
Find Deal
Thu, Jan 23 - Fri, Jan 31
7:05 am - 7:31 pmSYD-ORD
29h 26m3 stops
5:40 pm - 5:40 pmORD-SYD
31h 00m3 stops
$5,054Air Tahiti Nui
Find Deal
Thu, Jan 23 - Fri, Jan 31

ANA flights from Sydney to Chicago O'Hare Intl Airport

Our best ANA deals on Sydney to Chicago O'Hare Intl Airport flight tickets
ANA
Jun 28
SYD11:50 amSydney Kingsford Smith
46h 26m
2 stops
ORD7:16 pmChicago O'Hare Intl
Jul 17
ORD5:45 pmChicago O'Hare Intl
34h 30m
1 stop
SYD7:15 pmSydney Kingsford Smith
ANA
Mar 26
SYD12:25 pmSydney Kingsford Smith
32h 46m
2 stops
ORD5:11 amChicago O'Hare Intl
Mar 31
ORD5:45 pmChicago O'Hare Intl
34h 30m
1 stop
SYD8:15 pmSydney Kingsford Smith
ANA
Jun 27
SYD8:55 pmSydney Kingsford Smith
26h 45m
1 stop
ORD8:40 amChicago O'Hare Intl
Jul 9
ORD5:45 pmChicago O'Hare Intl
24h 40m
1 stop
SYD9:25 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
Mar 24
SYD11:15 amSydney Kingsford Smith
20h 40m
1 stop
ORD3:55 pmChicago O'Hare Intl
Mar 31
ORD7:13 pmChicago O'Hare Intl
20h 52m
1 stop
SYD8:05 amSydney Kingsford Smith
Qantas Airways
Apr 1
SYD6:35 pmSydney Kingsford Smith
21h 24m
1 stop
ORD11:59 pmChicago O'Hare Intl
May 8
ORD4:50 pmChicago O'Hare Intl
23h 15m
1 stop
SYD7:05 amSydney Kingsford Smith
Qantas Airways
Mar 3
SYD11:15 amSydney Kingsford Smith
21h 35m
1 stop
ORD3:50 pmChicago O'Hare Intl
Mar 14
ORD8:20 pmChicago O'Hare Intl
20h 40m
1 stop
SYD9:00 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 $977.

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 20 weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,179 when searching 20 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 $1,023 on momondo.

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

As of January 2025, prices for Sydney to Chicago O'Hare Intl Airport flights are approximately 48% 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

$421

Fastest flight time

20h 19m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from Sydney in the past 72 hours is $421. The best round-trip flight deal from Sydney to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $701.
The fastest flight from Sydney to Chicago O'Hare Intl Airport takes 20h 19m
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 19m 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 $737Free CancellationRating
7.5
824 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $884Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $964Free CancellationRating
7.4
8,985 reviews
Search United Airlines flights

Traveling to a place near Chicago?

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

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.


An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 1/26
Sun 2/2
Email me momondo's favorite deals

Find better results for your trip to Chicago