How long is the flight from Chicago to Sydney?

Airlines like Air New Zealand and Delta fly from Chicago to Sydney in about 24h 05m. The time it takes to get you to your destination can typically vary by up to 3h 10m. Chicago and Sydney are separated by a distance of 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 to Sydney round-trip?

Cheapflights users have booked flights from Chicago to Sydney round-trip from $1,250. Another airline that can offer you cheap pricing is Qantas Airways. Air Canada is currently priced 14% below the average price you’ll pay for this route.

What is the cheapest day to fly from Chicago to Sydney?

Travellers seeking maximum savings on their Chicago to Sydney flight should consider departing on Sunday afternoons when fares are most often at their lowest. Tuesday afternoons 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 to Sydney?

Saturday is generally a great day to depart. Flying on this day could help you save up to 37%.

What is the cheapest month to fly from Chicago to Sydney?

Flights from Chicago to Sydney lean towards being more expensive in December. Prices are generally better when you fly from Chicago to Sydney in August, with the cheapest ticket starting at $1,064.

What airport do you fly into for flights to Sydney from Chicago?

For a flight from Chicago 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 per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago on a regular basis.

Can I find deals for flights from Chicago to Sydney that include hotel bookings?

Yes. In addition to deals on Chicago to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Chicago to Sydney?

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

Can I find deals for business class flights from Chicago to Sydney?

Yes. Cheapflights offers flight deals from Chicago 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.

$740+ Cheap Flights from Chicago to Sydney

Q: How much does it cost for a return flight from Chicago to Sydney?

Airfare is typical for this route at the moment. Chicago to Sydney flights typically cost between $1,278 and $2,162 in October. The cheapest return flight price found within the last 3 days was $1,553 on Multiple Airlines (27 Oct-9 Nov). Find deals

Cheapflights Tip: The best prices from Chicago to Sydney Kingsford Smith are usually found in August or May, booked 2 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Chicago to Sydney

Round-trip from	$1,553
One-way from	$740
Popular in	December
Cheapest in	August
Average price	$1,502

27/10-9/11
4 total stops
53h 55m total
Chicago to Sydney

Search Deals

17/1
2 total stops
32h 15m total
Chicago to Sydney

Search Deals

Highest demand for flights based on searches. 15% potential increase in price ($415 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($84 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

Find flight deals from Chicago to Sydney

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

Mon 27/1012:03MDW - SYD

2 stops28h 57mMultiple Airlines

Sun 9/1114:05SYD - MDW

2 stops24h 58mMultiple Airlines

Deal found 15/9$1,553

Mon 20/1009:44MDW - SYD

2 stops30h 21mMultiple Airlines

Sun 2/1114:05SYD - MDW

2 stops24h 58mMultiple Airlines

Deal found 15/9$1,611

Mon 20/1012:28ORD - SYD

2 stops27h 37mMultiple Airlines

Sun 2/1114:05SYD - ORD

2 stops27h 06mMultiple Airlines

Deal found 15/9$1,616

Mon 27/1005:05ORD - SYD

2 stops35h 55mMultiple Airlines

Sun 9/1114:05SYD - ORD

2 stops27h 06mMultiple Airlines

Deal found 15/9$1,661

Mon 3/1116:25ORD - SYD

1 stop25h 05mANA

Tue 18/1112:25SYD - ORD

2 stops33h 51mANA

Deal found 13/9$1,745

Mon 6/1009:48ORD - SYD

3 stops34h 57mMultiple Airlines

Mon 20/1006:00SYD - ORD

3 stops34h 17mMultiple Airlines

Deal found 15/9$1,753

Sat 25/1007:25ORD - SYD

2 stops37h 20mMultiple Airlines

Sat 1/1114:30SYD - ORD

2 stops24h 30mMultiple Airlines

Deal found 15/9$1,784

Mon 3/1111:45ORD - SYD

3 stops31h 45mMultiple Airlines

Sun 16/1114:00SYD - ORD

3 stops33h 25mMultiple Airlines

Deal found 15/9$1,810

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

Mon 29/910:42ORD - SYD

2 stops29h 48mMultiple Airlines

Tue 7/1010:10SYD - ORD

2 stops29h 43mMultiple Airlines

Deal found 15/9$1,819

Thu 30/1006:30ORD - SYD

2 stops38h 30mMultiple Airlines

Thu 6/1114:00SYD - ORD

2 stops26h 00mMultiple Airlines

Deal found 15/9$1,823

Best flights from Chicago to Sydney
Discover carefully curated flight deals from Chicago 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 20/1016:40ORD - SYD

2 stops24h 05mAir New Zealand

Tue 4/1111:45SYD - ORD

2 stops25h 38mAir New Zealand

Deal found 13/9$1,966

Thu 29/116:45ORD - SYD

2 stops26h 45mMultiple Airlines

Sat 28/214:10SYD - ORD

2 stops22h 08mMultiple Airlines

Deal found 13/9$1,999

Sat 22/1116:57ORD - SYD

2 stops35h 53mFiji Airways

Tue 9/1214:10SYD - ORD

2 stops24h 15mFiji Airways

Deal found 13/9$2,159

Tue 18/1114:21ORD - SYD

1 stop23h 39mUnited Airlines

Sun 7/1212:10SYD - ORD

1 stop19h 38mUnited Airlines

Deal found 13/9$2,199

Tue 3/313:00MDW - SYD

2 stops24h 50mDelta

Wed 11/309:40SYD - MDW

2 stops24h 54mDelta

Deal found 13/9$2,205

Mon 3/1113:49ORD - SYD

2 stops29h 41mMultiple Airlines

Tue 18/1114:10SYD - ORD

2 stops22h 30mMultiple Airlines

Deal found 13/9$2,014

Wed 7/116:16ORD - SYD

1 stop21h 04mUnited Airlines

Wed 21/111:20SYD - ORD

1 stop20h 30mUnited Airlines

Deal found 13/9$2,199

Sun 18/110:35MDW - SYD

2 stops27h 15mDelta

Tue 27/114:15SYD - MDW

2 stops24h 31mDelta

Deal found 15/9$2,205

Thu 30/1019:05ORD - SYD

2 stops25h 55mMultiple Airlines

Thu 6/1114:00SYD - ORD

2 stops24h 24mMultiple Airlines

Deal found 15/9$2,056

Wed 19/1115:40ORD - SYD

1 stop24h 25mUnited Airlines

Mon 8/1211:50SYD - ORD

1 stop19h 51mUnited Airlines

Deal found 13/9$2,199

Tue 9/1209:34MDW - SYD

2 stops29h 56mDelta

Tue 23/1210:40SYD - MDW

2 stops23h 39mDelta

Deal found 14/9$2,205

Thu 6/1118:03ORD - SYD

2 stops25h 57mMultiple Airlines

Tue 11/1114:10SYD - ORD

2 stops22h 30mMultiple Airlines

Deal found 14/9$2,086

Last-minute flights from Chicago to Sydney
Discover last-minute flight deals from Chicago 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

Mon 22/916:00ORD - SYD

2 stops46h 25mMultiple Airlines

Fri 24/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 13/9$1,945

Mon 22/916:00ORD - SYD

2 stops46h 25mMultiple Airlines

Mon 20/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 13/9$2,001

Tue 23/918:30ORD - SYD

2 stops36h 40mFiji Airways

Tue 21/1006:00SYD - ORD

2 stops34h 29mFiji Airways

Deal found 13/9$1,921

Tue 23/909:00ORD - SYD

2 stops31h 30mMultiple Airlines

Tue 30/909:10SYD - ORD

2 stops42h 59mMultiple Airlines

Deal found 15/9$2,004

Tue 23/918:30ORD - SYD

2 stops36h 40mFiji Airways

Sat 18/1006:00SYD - ORD

2 stops31h 14mFiji Airways

Deal found 13/9$2,005

Tue 23/916:00ORD - SYD

2 stops48h 20mMultiple Airlines

Sat 18/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 13/9$2,007

Tue 23/918:30ORD - SYD

2 stops36h 40mFiji Airways

Wed 22/1006:00SYD - ORD

2 stops34h 29mFiji Airways

Deal found 13/9$2,014

Wed 24/916:00ORD - SYD

2 stops46h 25mMultiple Airlines

Sat 18/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 13/9$1,978

Wed 24/916:00ORD - SYD

2 stops46h 25mMultiple Airlines

Thu 23/1018:45SYD - ORD

1 stop21h 14mMultiple Airlines

Deal found 13/9$1,984

Mon 20/1009:44MDW - SYD

2 stops30h 21mMultiple Airlines

Sun 2/1114:05SYD - MDW

2 stops24h 58mMultiple Airlines

Deal found 15/9$1,611

Mon 27/1012:03MDW - SYD

2 stops28h 57mMultiple Airlines

Sun 9/1114:05SYD - MDW

2 stops24h 58mMultiple Airlines

Deal found 15/9$1,553

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

Sat 17/107:45ORD - SYD

2 stops32h 15mMultiple Airlines

Deal found 14/9$740

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 20/1009:44MDW - SYD

2 stops30h 21mMultiple Airlines

Deal found 14/9$815

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

Sat 8/1108:00ORD - SYD

2 stops53h 10mMultiple Airlines

Deal found 15/9$843

Wed 15/1019:59ORD - SYD

2 stops51h 41mMultiple Airlines

Deal found 13/9$923

Sat 27/906:15MDW - SYD

3 stops38h 30mMultiple Airlines

Deal found 15/9$1,126

Thu 27/1106:05MDW - SYD

3 stops37h 55mMultiple Airlines

Deal found 15/9$1,309

Thu 27/1106:00MDW - SYD

2 stops33h 30mDelta

Deal found 15/9$1,378

Wed 15/1013:08MDW - SYD

2 stops26h 27mDelta

Deal found 13/9$1,428

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 20/10

16:40-08:45

2 stops24h 05m

Sydney Kingsford Smith

Tue 4/11

11:45-20:23

2 stops25h 38m

$1,966

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 29/1

16:45-12:30

2 stops26h 45m

Sydney Kingsford Smith

Sat 28/2

14:10-19:18

2 stops22h 08m

$1,999

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

MDW - SYD

MDWSYD

Chicago Midway

Thu 30/10

06:30-09:00

2 stops34h 30m

Sydney Kingsford Smith

Thu 6/11

11:20-11:30

2 stops41h 10m

$2,121

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

Tue 18/11

14:21-07:00

1 stop23h 39m

Sydney Kingsford Smith

Sun 7/12

12:10-14:48

1 stop19h 38m

$2,199

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 7/1

16:16-06:20

1 stop21h 04m

Sydney Kingsford Smith

Wed 21/1

11:20-14:50

1 stop20h 30m

$2,199

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 19/11

15:40-09:05

1 stop24h 25m

Sydney Kingsford Smith

Mon 8/12

11:50-14:41

1 stop19h 51m

$2,199

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 41 results

...

Best time to book a flight from Chicago to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Chicago 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 to Sydney

How far ahead should I book a flight from Chicago to Sydney?

To ensure you get the cheapest price possible for a flight from Chicago to Sydney, you should look to book at least 2 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Chicago to Sydney?

Currently, May is the cheapest month in which you can book a flight from Chicago to Sydney (average of $129). Flying from Chicago 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 CHI to SYD?

When flying from Chicago to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 35% versus a flight at midday.

How much does it cost for a return flight from Chicago to Sydney?

What’s the top stopover airport for flights from Chicago to Sydney?

Los Angeles (LAX) – chosen by Cheapflights users on 77% of one-stop itineraries from Chicago to Sydney on Cheapflights.

What’s the cheapest stopover airport for flights from Chicago to Sydney?

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

What’s the fastest stopover option from Chicago to Sydney?

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

Which airport typically offers the quickest stopover for flights from Chicago to Sydney?

Flights via Dallas (DFW) offer the fastest connection on this route, with an average stopover time of 1h 10m.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Qantas Airways from Chicago to Sydney. Users can see the overall rating for each airline as well as how each is rated 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.

Related info for your journey

What airport do you fly into for flights to Sydney from Chicago?
For a flight from Chicago 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 per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago on a regular basis.
How long is the flight from Chicago to Sydney?
Airlines like Air New Zealand and Delta fly from Chicago to Sydney in about 24h 05m. The time it takes to get you to your destination can typically vary by up to 3h 10m. Chicago and Sydney are separated by a distance of 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 to Sydney round-trip?
Cheapflights users have booked flights from Chicago to Sydney round-trip from $1,250. Another airline that can offer you cheap pricing is Qantas Airways. Air Canada is currently priced 14% below the average price you’ll pay for this route.
Can I find deals for flights from Chicago to Sydney that include hotel bookings?
Yes. In addition to deals on Chicago to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Chicago to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Sydney.
Can I find deals for business class flights from Chicago to Sydney?
Yes. Cheapflights offers flight deals from Chicago 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 to Sydney?
Currently, May is the cheapest month in which you can book a flight from Chicago to Sydney (average of $129). Flying from Chicago 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 Chicago to Sydney

O'Hare Intl to Sydney flights

Midway to Sydney flights

St. Louis to Sydney flights

Direct flights to New South Wales

Other flights to Sydney

Top 2 airlines flying from Chicago 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

Fly with Cheapflights

How does Cheapflights help users find flights from Chicago to Sydney?

Deals for Chicago to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Chicago to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Chicago by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Chicago to Sydney with no change fees?

Yes, we can. To see specific flights from Chicago to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Chicago to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Chicago to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from Chicago to Sydney from $740

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from Chicago to Sydney Kingsford Smith are usually found in August or May, booked 2 days in advance, depart on a Sunday or Monday and return on a Tuesday

Cheap flight deals from Chicago to Sydney

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Chicago to Sydney

Cheapest flights from Chicago to SydneyExplore the most affordable flight options available from Chicago 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 Chicago 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 to Sydney that are best for you.

Best time to book a flight from Chicago to Sydney

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

Cheapflights Insights

Everything you need to know about your flight from Chicago to Sydney

How far ahead should I book a flight from Chicago to Sydney?

Use this chart to determine the optimal time to book a return flight from Chicago to Sydney. Price data was last updated on 12 September 2025.

What is the cheapest month to book a flight from Chicago to Sydney?

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

Find hourly flight availability from Chicago to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

How much does it cost for a return flight from Chicago to Sydney?

What’s the top stopover airport for flights from Chicago to Sydney?

Share of one-stop return flights from Chicago to Sydney chosen by Cheapflights users in the past 12 months, using the same stopover each way.

What’s the cheapest stopover airport for flights from Chicago to Sydney?

Average return fare for one-stop flights from Chicago to Sydney, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

What’s the fastest stopover option from Chicago to Sydney?

Shortest average travel time for one-stop one-way flights from Chicago to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Which airport typically offers the quickest stopover for flights from Chicago to Sydney?

Average stopover duration for one-stop one-way flights from Chicago to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Qantas Airways from Chicago to Sydney. Users can see the overall rating for each airline as well as how each is rated 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 Chicago 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?

How long is the flight from Chicago to Sydney?

What are the cheapest airlines flying from Chicago to Sydney round-trip?

Can I find deals for flights from Chicago to Sydney that include hotel bookings?

How can I find direct flights from Chicago to Sydney?

Can I find deals for business class flights from Chicago to Sydney?

What is the cheapest month to book a flight from Chicago to Sydney?

Travelling to a place near Sydney?

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Alternative routes for Chicago to Sydney

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

Top 2 airlines flying from Chicago to Sydney

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Chicago to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Chicago to Sydney?

Can Cheapflights find flights from Chicago to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Chicago to Sydney become cheaper?

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