What’s the fastest stopover option from Chicago O'Hare Intl Airport to Sydney?

Flights via San Francisco (SFO) have the shortest average one-way travel time for one-stop routes: 21h 18m. Find deals

Which airport typically offers the quickest stopover for flights from Chicago O'Hare Intl Airport to Sydney?

Flights via San Francisco (SFO) offer the fastest connection on this route, with an average stopover time of 1h 22m. Find deals

What’s the cheapest stopover airport for flights from Chicago O'Hare Intl Airport to Sydney?

Dallas (DFW) is the most affordable one-stop option, with an average return flight price of $1,283. Find deals

What’s the top stopover airport for flights from Chicago O'Hare Intl Airport to Sydney?

Los Angeles (LAX) – chosen by Cheapflights users on 53% of one-stop itineraries from Chicago O'Hare Intl Airport to Sydney on Cheapflights. Find deals

How long is the flight from Chicago O'Hare Intl Airport to Sydney?

For as low as $1,745, ANA can have you in Sydney from Chicago O'Hare Intl Airport in 25h 05m. The distance between Chicago O'Hare Intl Airport and Sydney is about 14851 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sydney round-trip?

According to our current data, Air Canada ($1,250), and Qantas Airways ($1,314) offers the cheapest pricing from Chicago O'Hare Intl Airport to Sydney. Users have found that Air Canada is 24% cheaper than the other options available to this destination.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Sydney?

Travellers seeking maximum savings on their Chicago O'Hare Intl Airport to Sydney flight should consider departing on Friday afternoons when fares are most often at their lowest. Tuesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest day to fly return from Chicago O'Hare Intl Airport to Sydney?

Flights from Chicago O'Hare Intl Airport to Sydney are generally found to be more expensive on Wednesday. This shouldn't discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Sydney.

What is the cheapest month to fly from Chicago O'Hare Intl Airport to Sydney?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, August can be a great choice for travel to Sydney. Flights to Sydney from Chicago O'Hare Intl Airport in August are about $1,460 on average during August, but can be found for as low as $1,064.

What airport do you fly into for flights to Sydney from Chicago O'Hare Intl?

For a flight from Chicago O'Hare Intl to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Chicago O'Hare Intl per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago O'Hare Intl on a regular basis.

Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?

Yes. In addition to deals on O'Hare Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from O'Hare Intl to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Sydney.

Can I find deals for business class flights from O'Hare Intl to Sydney?

Yes. Cheapflights offers flight deals from O'Hare Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$792+ Flights from Chicago O'Hare Intl Airport to Sydney

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Sydney Kingsford Smith are usually found in March or May, booked 13 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Sydney

Round-trip from	$1,745
One-way from	$792
Popular in	December
Cheapest in	March
Average price	$2,040

ANA
3/11-18/11
3 total stops
58h 56m total
Chicago to Sydney

Search Deals

25/10
2 total stops
33h 00m total
Chicago to Sydney

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($364 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($66 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from O'Hare Intl to Sydney

Cheapest flights from O'Hare Intl to Sydney
Explore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Mon 3/1116:25ORD - SYD

1 stop25h 05mANA

Tue 18/1112:25SYD - ORD

2 stops33h 51mANA

Deal found 13/9$1,745

Wed 29/1008:00ORD - SYD

2 stops31h 25mMultiple Airlines

Sat 1/1117:45SYD - ORD

1 stop21h 15mMultiple Airlines

Deal found 14/9$1,811

Wed 22/1008:00ORD - SYD

2 stops31h 30mMultiple Airlines

Fri 24/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 14/9$1,817

Fri 31/1010:00ORD - SYD

2 stops29h 25mMultiple Airlines

Sun 7/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 14/9$1,829

Tue 18/1108:00ORD - SYD

2 stops29h 10mMultiple Airlines

Sun 7/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 13/9$1,852

Tue 4/1108:00ORD - SYD

2 stops29h 10mMultiple Airlines

Sun 7/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 14/9$1,855

Wed 19/1108:00ORD - SYD

2 stops30h 25mMultiple Airlines

Sun 7/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 13/9$1,859

Sat 18/1007:25ORD - SYD

2 stops33h 20mMultiple Airlines

Sun 26/1013:55SYD - ORD

2 stops26h 04mMultiple Airlines

Deal found 13/9$1,862

Fri 31/1008:00ORD - SYD

2 stops30h 10mMultiple Airlines

Mon 8/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 14/9$1,864

Mon 13/1006:35ORD - SYD

3 stops36h 00mMultiple Airlines

Mon 20/1011:50SYD - ORD

3 stops28h 27mMultiple Airlines

Deal found 13/9$1,872

Thu 30/1008:00ORD - SYD

2 stops31h 25mMultiple Airlines

Thu 6/1117:45SYD - ORD

1 stop22h 15mMultiple Airlines

Deal found 15/9$1,887

Best flights from O'Hare Intl to Sydney
Discover carefully curated flight deals from O'Hare Intl to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 15 September 2025.

Mon 3/1116:25ORD - SYD

1 stop25h 05mANA

Tue 18/1112:25SYD - ORD

2 stops33h 51mANA

Deal found 13/9$1,745

Mon 3/1113:49ORD - SYD

2 stops29h 41mMultiple Airlines

Tue 18/1114:10SYD - ORD

2 stops22h 30mMultiple Airlines

Deal found 13/9$2,014

Tue 23/918:30ORD - SYD

2 stops36h 40mFiji Airways

Thu 23/1014:15SYD - ORD

2 stops26h 14mFiji Airways

Deal found 13/9$2,111

Tue 18/1114:21ORD - SYD

1 stop23h 39mUnited Airlines

Sun 7/1212:10SYD - ORD

1 stop19h 38mUnited Airlines

Deal found 13/9$2,199

Thu 30/1019:05ORD - SYD

2 stops25h 55mMultiple Airlines

Thu 6/1114:00SYD - ORD

2 stops24h 24mMultiple Airlines

Deal found 15/9$2,056

Sat 20/918:30ORD - SYD

2 stops36h 40mFiji Airways

Tue 21/1006:00SYD - ORD

2 stops31h 14mFiji Airways

Deal found 13/9$2,117

Sun 16/1115:43ORD - SYD

1 stop22h 17mUnited Airlines

Mon 8/1211:50SYD - ORD

1 stop19h 51mUnited Airlines

Deal found 13/9$2,199

Thu 6/1118:03ORD - SYD

2 stops25h 57mMultiple Airlines

Tue 11/1114:10SYD - ORD

2 stops22h 30mMultiple Airlines

Deal found 14/9$2,086

Sat 20/918:30ORD - SYD

2 stops36h 40mFiji Airways

Fri 24/1006:00SYD - ORD

2 stops34h 29mFiji Airways

Deal found 13/9$2,117

Tue 4/1118:03ORD - SYD

2 stops34h 47mFiji Airways

Tue 9/1214:10SYD - ORD

2 stops24h 15mFiji Airways

Deal found 14/9$2,130

Sat 22/1116:57ORD - SYD

2 stops35h 53mFiji Airways

Tue 9/1214:10SYD - ORD

2 stops24h 15mFiji Airways

Deal found 13/9$2,159

Fri 31/1015:14ORD - SYD

2 stops29h 16mFiji Airways

Tue 9/1214:10SYD - ORD

2 stops22h 09mFiji Airways

Deal found 14/9$2,159

Last-minute flights from O'Hare Intl to Sydney
Discover last-minute flight deals from O'Hare Intl to Sydney. Data last updated 15 September 2025 and is based on user searches.

Mon 22/916:00ORD - SYD

2 stops46h 25mMultiple Airlines

Sat 18/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 13/9$1,939

Tue 23/918:30ORD - SYD

2 stops36h 40mFiji Airways

Tue 21/1006:00SYD - ORD

2 stops34h 29mFiji Airways

Deal found 13/9$1,921

Mon 13/1006:35ORD - SYD

3 stops36h 00mMultiple Airlines

Mon 20/1011:50SYD - ORD

3 stops28h 27mMultiple Airlines

Deal found 13/9$1,872

Sat 18/1007:25ORD - SYD

2 stops33h 20mMultiple Airlines

Sun 26/1013:55SYD - ORD

2 stops26h 04mMultiple Airlines

Deal found 13/9$1,862

Wed 22/1008:00ORD - SYD

2 stops31h 30mMultiple Airlines

Fri 24/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 14/9$1,817

Wed 29/1008:00ORD - SYD

2 stops31h 25mMultiple Airlines

Sat 1/1117:45SYD - ORD

1 stop21h 15mMultiple Airlines

Deal found 14/9$1,811

Wed 29/1015:40ORD - SYD

2 stops25h 05mAir New Zealand

Wed 12/1111:45SYD - ORD

2 stops25h 11mAir New Zealand

Deal found 13/9$1,899

Thu 30/1008:00ORD - SYD

2 stops31h 25mMultiple Airlines

Thu 6/1117:45SYD - ORD

1 stop22h 15mMultiple Airlines

Deal found 15/9$1,887

Fri 31/1010:00ORD - SYD

2 stops29h 25mMultiple Airlines

Sun 7/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 14/9$1,829

Fri 31/1008:00ORD - SYD

2 stops30h 10mMultiple Airlines

Mon 8/1217:45SYD - ORD

1 stop23h 05mMultiple Airlines

Deal found 14/9$1,864

One-way flights from O'Hare Intl to Sydney
Search for one-way flight options from O'Hare Intl to Sydney. Find affordable one-way fares based on user searches. Data last updated 15 September 2025.

Sat 25/1008:00ORD - SYD

2 stops33h 00mMultiple Airlines

Deal found 14/9$792

Mon 10/1106:00ORD - SYD

3 stops32h 25mMultiple Airlines

Deal found 14/9$807

Mon 20/1012:28ORD - SYD

2 stops27h 37mMultiple Airlines

Deal found 14/9$818

Thu 13/1106:00ORD - SYD

3 stops32h 25mMultiple Airlines

Deal found 14/9$819

Wed 15/1019:59ORD - SYD

2 stops51h 41mMultiple Airlines

Deal found 13/9$923

Fri 7/1118:03ORD - SYD

2 stops32h 52mMultiple Airlines

Deal found 13/9$935

Mon 10/1116:25ORD - SYD

1 stop34h 50mANA

Deal found 14/9$1,048

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 3/11

16:25-10:30

1 stop25h 05m

Sydney Kingsford Smith

Tue 18/11

12:25-05:16

2 stops33h 51m

$1,745

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 3/11

13:49-12:30

2 stops29h 41m

Sydney Kingsford Smith

Tue 18/11

14:10-19:40

2 stops22h 30m

$2,014

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 30/10

19:05-13:00

2 stops25h 55m

Sydney Kingsford Smith

Thu 6/11

14:00-21:24

2 stops24h 24m

$2,056

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 6/11

18:03-13:00

2 stops25h 57m

Sydney Kingsford Smith

Tue 11/11

14:10-19:40

2 stops22h 30m

$2,086

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 23/9

18:30-22:10

2 stops36h 40m

Sydney Kingsford Smith

Thu 23/10

14:15-00:29

2 stops26h 14m

$2,111

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 20/9

18:30-22:10

2 stops36h 40m

Sydney Kingsford Smith

Tue 21/10

06:00-21:14

2 stops31h 14m

$2,117

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 20/9

18:30-22:10

2 stops36h 40m

Sydney Kingsford Smith

Fri 24/10

06:00-00:29

2 stops34h 29m

$2,117

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 4/11

18:03-21:50

2 stops34h 47m

Sydney Kingsford Smith

Tue 9/12

14:10-21:25

2 stops24h 15m

$2,130

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 22/11

16:57-21:50

2 stops35h 53m

Sydney Kingsford Smith

Tue 9/12

14:10-21:25

2 stops24h 15m

$2,159

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 31/10

15:14-12:30

2 stops29h 16m

Sydney Kingsford Smith

Tue 9/12

14:10-19:19

2 stops22h 09m

$2,159

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 18 results

Best time to book a flight from O'Hare Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from O'Hare Intl with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Sydney

Prices

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Sydney?

The best time to book flights from Chicago O'Hare Intl Airport to Sydney is 13 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sydney (average of $129). Flying from Chicago O'Hare Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ORD to SYD?

It’s optimal to fly from Chicago O'Hare Intl Airport to Sydney in the morning. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at midday.

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Qantas Airways and Air Canada from Chicago O'Hare Intl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Qantas Airways

7.5

Good

905 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Qantas Airways

7.5

Good

905 reviews

Qantas Airways

7.5

Good

905 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Air Canada

7.1

Good

10,000 reviews

Qantas Airways

7.5

Good

905 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Anonymous,July 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Related info for your journey

What airport do you fly into for flights to Sydney from Chicago O'Hare Intl?
For a flight from Chicago O'Hare Intl to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Chicago O'Hare Intl per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago O'Hare Intl on a regular basis.
How long is the flight from Chicago O'Hare Intl Airport to Sydney?
For as low as $1,745, ANA can have you in Sydney from Chicago O'Hare Intl Airport in 25h 05m. The distance between Chicago O'Hare Intl Airport and Sydney is about 14851 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sydney round-trip?
According to our current data, Air Canada ($1,250), and Qantas Airways ($1,314) offers the cheapest pricing from Chicago O'Hare Intl Airport to Sydney. Users have found that Air Canada is 24% cheaper than the other options available to this destination.
Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?
Yes. In addition to deals on O'Hare Intl to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from O'Hare Intl to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Sydney.
Can I find deals for business class flights from O'Hare Intl to Sydney?
Yes. Cheapflights offers flight deals from O'Hare Intl to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?
Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sydney (average of $129). Flying from Chicago O'Hare Intl Airport to Sydney in October is currently the most expensive (average of $171). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Parramatta

Wollongong

Katoomba

Penrith

Manly

Terrigal

Lithgow

Randwick

Bondi Beach

Coogee

Cronulla

Leura

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for O'Hare Intl to Sydney

Midway to Sydney flights

Direct flights to New South Wales

Other flights to Sydney

Top 2 airlines flying from O'Hare Intl to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$1,250	Average$1,767	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Qantas Airways	Cheapest$1,314	Average$1,412	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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How does Cheapflights help users find flights from O'Hare Intl to Sydney?

Cheapflights helps you search for flights from O'Hare Intl to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from O'Hare Intl to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from O'Hare Intl to Sydney with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from O'Hare Intl to Sydney, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from O'Hare Intl to Sydney become cheaper?

Of course! You can now track prices for flights from O'Hare Intl to Sydney and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Chicago O'Hare Intl Airport to Sydney from $792

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Sydney Kingsford Smith are usually found in March or May, booked 13 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from O'Hare Intl to Sydney

Cheapest flights from O'Hare Intl to SydneyExplore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Explore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Sydney that are best for you.

Best time to book a flight from O'Hare Intl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from O'Hare Intl with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Sydney

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Sydney?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?

What is the cheapest time of day to fly from ORD to SYD?

What’s the top stopover airport for flights from Chicago O'Hare Intl Airport to Sydney?

What’s the fastest stopover option from Chicago O'Hare Intl Airport to Sydney?

What’s the fastest stopover option from Chicago O'Hare Intl Airport to Sydney?

Which airport typically offers the quickest stopover for flights from Chicago O'Hare Intl Airport to Sydney?

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Qantas Airways and Air Canada from Chicago O'Hare Intl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to Sydney from Chicago O'Hare Intl?

How long is the flight from Chicago O'Hare Intl Airport to Sydney?

What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Sydney round-trip?

Can I find deals for flights from O'Hare Intl to Sydney that include hotel bookings?

How can I find direct flights from O'Hare Intl to Sydney?

Can I find deals for business class flights from O'Hare Intl to Sydney?

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for O'Hare Intl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from O'Hare Intl to Sydney

Fly with Cheapflights

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How does Cheapflights help users find flights from O'Hare Intl to Sydney?

Why should you use Cheapflights to find cheap flight tickets from O'Hare Intl to Sydney?

Can Cheapflights find flights from O'Hare Intl to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from O'Hare Intl to Sydney become cheaper?

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Cheapest flights from O'Hare Intl to Sydney
Explore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.