What are the cheapest airlines to fly from Australia to Chicago one-way?

To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at $1,010. Etihad Airways flights start at $1,064 while deals on American Airlines start at $1,066 one-way. Find deals

What are the most popular routes from Australia to Chicago?

Most travellers choose Melbourne - Chicago O'Hare Intl, Sydney Kingsford Smith - Chicago O'Hare Intl or Sydney Kingsford Smith - Chicago Midway when deciding on the best route from Australia to Chicago. Find deals

What are the most popular airlines that fly from Australia to Chicago?

American Airlines, Air Canada and ANA are the most popular airlines when flying from Australia to Chicago.

How far in advance should I book a flight from Australia to Chicago?

To save on the cost of your flight from Australia to Chicago, book at least 25 days before your planned departure. Booking around this time can save you about 49% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,644 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $2,541.

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

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, March can be a great choice for travel to Chicago. Flights to Chicago from Australia in March are about $1,596 on average during March, but can be found for as low as $1,020.

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

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

How can I find direct flights from Australia to Chicago?

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

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

Yes. Cheapflights offers flight deals from Australia to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$1,824+ Flights from Australia to Chicago

Cheap flight deals from Australia to Chicago

Round-trip from	$1,465
One-way from	$708
Popular in	December
Cheapest in	March
Average price	$1,671

Cathay Pacific
21/7-27/7
2 total stops
57h 35m total
Australia to Chicago

Search Deals

3/9
2 total stops
29h 43m total
Australia to Chicago

Search Deals

Highest demand for flights based on searches. 18% potential increase in price ($569 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($120 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals from Australia to Chicago

Cheapest flights from Australia to Chicago
Explore the most affordable flight options available from Australia to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2025.

Mon 21/723:55BNE - ORD

1 stop29h 30mCathay Pacific

Sun 27/716:00ORD - BNE

1 stop28h 05mCathay Pacific

Deal found 18/6$1,465

Sat 4/1022:15BNE - ORD

1 stop37h 30mEVA Air

Sat 11/1000:30ORD - BNE

1 stop28h 30mEVA Air

Deal found 16/6$1,605

Thu 28/809:45MEL - ORD

1 stop35h 20mAmerican Airlines

Sun 28/918:30ORD - MEL

2 stops25h 05mAmerican Airlines

Deal found 16/6$1,605

Tue 12/809:55SYD - ORD

2 stops26h 23mAir New Zealand

Tue 19/816:30ORD - SYD

2 stops25h 15mAir New Zealand

Deal found 16/6$1,614

Tue 12/817:45SYD - ORD

1 stop39h 29mMultiple Airlines

Tue 19/815:09ORD - SYD

2 stops32h 31mMultiple Airlines

Deal found 16/6$1,632

Tue 14/1008:45BNE - ORD

2 stops31h 09mAir New Zealand

Thu 23/1015:40ORD - BNE

2 stops30h 00mAir New Zealand

Deal found 16/6$1,637

Tue 12/808:35MEL - ORD

2 stops27h 43mAir New Zealand

Tue 26/816:30ORD - MEL

2 stops27h 20mAir New Zealand

Deal found 18/6$1,638

Sat 2/809:45BNE - ORD

2 stops28h 01mMultiple Airlines

Sat 9/806:10ORD - BNE

2 stops35h 20mMultiple Airlines

Deal found 18/6$1,654

Wed 18/620:55SYD - ORD

2 stops46h 56mANA

Sat 21/617:45ORD - SYD

1 stop24h 40mANA

Deal found 17/6$1,692

Sun 10/809:10SYD - ORD

1 stop42h 03mAmerican Airlines

Sun 24/806:45ORD - SYD

1 stop32h 20mAmerican Airlines

Deal found 16/6$1,694

Sat 2/811:55CNS - ORD

2 stops31h 56mAir New Zealand

Sat 9/815:35ORD - CNS

2 stops28h 10mAir New Zealand

Deal found 18/6$1,704

Sat 9/821:35PER - ORD

1 stop30h 20mANA

Sat 23/808:50ORD - PER

2 stops46h 10mANA

Deal found 18/6$1,724

Best flights from Australia to Chicago
Discover carefully curated flight deals from Australia to Chicago that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 June 2025.

Mon 21/723:55BNE - ORD

1 stop29h 30mCathay Pacific

Sun 27/716:00ORD - BNE

1 stop28h 05mCathay Pacific

Deal found 17/6$1,465

Thu 28/809:45MEL - ORD

1 stop35h 20mAmerican Airlines

Sun 28/918:30ORD - MEL

2 stops25h 05mAmerican Airlines

Deal found 16/6$1,605

Tue 12/809:55SYD - ORD

2 stops26h 23mAir New Zealand

Tue 19/816:30ORD - SYD

2 stops25h 15mAir New Zealand

Deal found 16/6$1,614

Sat 6/922:15BNE - ORD

1 stop37h 30mEVA Air

Sat 13/900:30ORD - BNE

1 stop28h 30mEVA Air

Deal found 18/6$1,632

Tue 12/817:45SYD - ORD

1 stop39h 29mMultiple Airlines

Tue 19/815:09ORD - SYD

2 stops32h 31mMultiple Airlines

Deal found 16/6$1,632

Sat 13/911:50SYD - ORD

2 stops32h 09mANA

Sun 21/917:45ORD - SYD

1 stop24h 40mANA

Deal found 15/6$1,695

Thu 21/821:40SYD - ORD

2 stops46h 20mAlaska Airlines

Wed 27/814:07ORD - SYD

2 stops38h 38mAlaska Airlines

Deal found 16/6$1,809

Thu 24/708:55SYD - ORD

2 stops29h 48mJapan Airlines

Sun 10/801:30ORD - SYD

1 stop37h 50mJapan Airlines

Deal found 17/6$1,918

Sat 13/909:20SYD - ORD

2 stops25h 51mAir Canada

Sun 21/910:40ORD - SYD

2 stops29h 40mAir Canada

Deal found 15/6$1,999

Mon 1/910:55MEL - ORD

1 stop21h 13mUnited Airlines

Tue 23/914:25ORD - MEL

1 stop26h 50mUnited Airlines

Deal found 16/6$2,074

Tue 9/909:25SYD - MDW

2 stops27h 01mDelta

Tue 16/906:00MDW - SYD

2 stops33h 35mDelta

Deal found 18/6$2,093

Tue 2/908:30BNE - ORD

1 stop40h 00mKorean Air

Fri 19/912:10ORD - BNE

1 stop27h 35mKorean Air

Deal found 18/6$2,143

Last-minute flights from Australia to Chicago
Discover last-minute flight deals from Australia to Chicago. Data last updated 18 June 2025 and is based on user searches.

Wed 18/620:55SYD - ORD

2 stops46h 56mANA

Sat 21/617:45ORD - SYD

1 stop24h 40mANA

Deal found 17/6$1,692

Thu 19/621:35PER - ORD

1 stop30h 20mANA

Thu 3/709:05ORD - PER

2 stops45h 55mANA

Deal found 17/6$1,732

Mon 23/611:50SYD - ORD

1 stop35h 50mANA

Tue 29/719:40ORD - SYD

2 stops32h 35mANA

Deal found 16/6$1,712

Mon 23/607:25MEL - ORD

1 stop23h 35mJapan Airlines

Mon 30/607:10ORD - MEL

2 stops31h 35mJapan Airlines

Deal found 16/6$2,030

Mon 23/610:55MEL - ORD

2 stops27h 09mUnited Airlines

Tue 15/710:50ORD - MEL

2 stops30h 25mUnited Airlines

Deal found 16/6$2,513

Tue 24/607:40SYD - ORD

1 stop45h 45mCathay Pacific

Tue 29/716:00ORD - SYD

1 stop27h 50mCathay Pacific

Deal found 17/6$2,219

Tue 24/610:20MEL - ORD

2 stops67h 05mCathay Pacific

Mon 13/1016:00ORD - MEL

1 stop39h 15mCathay Pacific

Deal found 17/6$2,527

Wed 25/623:55BNE - ORD

1 stop29h 30mCathay Pacific

Wed 9/716:00ORD - BNE

1 stop39h 25mCathay Pacific

Deal found 16/6$1,887

Wed 25/623:55BNE - ORD

1 stop29h 30mMultiple Airlines

Wed 9/716:00ORD - BNE

2 stops46h 15mMultiple Airlines

Deal found 16/6$1,905

Thu 26/609:10SYD - ORD

1 stop23h 07mAmerican Airlines

Sun 3/806:13ORD - SYD

1 stop33h 52mAmerican Airlines

Deal found 16/6$2,443

Thu 26/606:00MEL - ORD

2 stops24h 44mAmerican Airlines

Thu 31/710:00ORD - MEL

1 stop29h 45mAmerican Airlines

Deal found 18/6$2,495

Thu 26/609:25SYD - ORD

2 stops27h 44mDelta

Sun 3/807:10ORD - SYD

2 stops32h 25mDelta

Deal found 16/6$2,541

One-way flights from Australia to Chicago
Search for one-way flight options from Australia to Chicago. Find affordable one-way fares based on user searches. Data last updated 18 June 2025.

Wed 3/916:20SYD - ORD

2 stops29h 43mMultiple Airlines

Deal found 16/6$708

Wed 13/812:55MEL - ORD

3 stops30h 55mMultiple Airlines

Deal found 17/6$800

Tue 19/808:15BNE - ORD

3 stops36h 45mMultiple Airlines

Deal found 17/6$903

Tue 5/821:55PER - ORD

2 stops31h 05mMultiple Airlines

Deal found 16/6$998

Mon 15/923:55BNE - ORD

1 stop29h 30mCathay Pacific

Deal found 16/6$1,010

Sat 4/1021:30SYD - ORD

2 stops62h 20mEtihad Airways

Deal found 16/6$1,064

Sat 2/809:10SYD - ORD

2 stops23h 49mAmerican Airlines

Deal found 18/6$1,066

Wed 13/815:05MEL - ORD

1 stop20h 52mAmerican Airlines

Deal found 17/6$1,075

Tue 30/917:45SYD - MDW

3 stops37h 39mMultiple Airlines

Deal found 16/6$1,118

Wed 1/1009:20SYD - ORD

3 stops37h 41mAir Canada

Deal found 16/6$1,219

Wed 13/806:45MEL - MDW

3 stops46h 02mMultiple Airlines

Deal found 17/6$1,251

Mon 1/914:05SYD - ORD

1 stop39h 20mCathay Pacific

Deal found 17/6$1,317

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 21/7

23:55-14:25

1 stop29h 30m

Chicago O'Hare Intl

Sun 27/7

16:00-11:05

1 stop28h 05m

$1,465

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 4/10

22:15-20:45

1 stop37h 30m

Chicago O'Hare Intl

Sat 11/10

00:30-20:00

1 stop28h 30m

$1,605

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 28/8

09:45-06:05

1 stop35h 20m

Chicago O'Hare Intl

Sun 28/9

18:30-10:35

2 stops25h 05m

$1,605

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 12/8

09:55-21:18

2 stops26h 23m

Chicago O'Hare Intl

Tue 19/8

16:30-08:45

2 stops25h 15m

$1,614

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 12/8

17:45-18:14

1 stop39h 29m

Chicago O'Hare Intl

Tue 19/8

15:09-14:40

2 stops32h 31m

$1,632

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 14/10

08:45-00:54

2 stops31h 09m

Chicago O'Hare Intl

Thu 23/10

15:40-12:40

2 stops30h 00m

$1,637

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 19/7

08:35-04:51

2 stops35h 16m

Chicago O'Hare Intl

Tue 29/7

14:40-10:50

2 stops29h 10m

$1,640

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 2/8

09:45-22:46

2 stops28h 01m

Chicago O'Hare Intl

Sat 9/8

06:10-08:30

2 stops35h 20m

$1,654

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 10/8

09:10-12:13

1 stop42h 03m

Chicago O'Hare Intl

Sun 24/8

06:45-06:05

1 stop32h 20m

$1,694

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 13/9

11:50-04:59

2 stops32h 09m

Chicago O'Hare Intl

Sun 21/9

17:45-09:25

1 stop24h 40m

$1,695

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 60 results

...

Best time to book a flight from Australia to Chicago

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

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Chicago as you normally would.

Rainfall in Chicago by month

In terms of precipitation, rainfall in Chicago ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

Temperature in Chicago by month

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Australia to Chicago, such as Air Tahiti Nui, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

Air Tahiti Nui

8.7

Very Good

64 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

EVA Air

8.4

Very Good

1,205 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Korean Air

8.4

Very Good

1,090 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Japan Airlines

8.3

Very Good

1,494 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

ANA

8.3

Very Good

886 reviews

Air Tahiti Nui

8.7

Very Good

64 reviews

Check prices

Reviews

1 / 2

10.0

Excellent

Isabelle,Apr 2023

AKL - PPT

Related info for your journey

What are the cheapest airlines to fly from Australia to Chicago one-way?
To fly one-way, consider booking your trip with Cathay Pacific, which is currently one of the cheapest options available, starting at $1,010. Etihad Airways flights start at $1,064 while deals on American Airlines start at $1,066 one-way.
What are the most popular routes from Australia to Chicago?
Most travellers choose Melbourne - Chicago O'Hare Intl, Sydney Kingsford Smith - Chicago O'Hare Intl or Sydney Kingsford Smith - Chicago Midway when deciding on the best route from Australia to Chicago.
Can I find deals for flights from Australia to Chicago that include hotel bookings?
Yes. In addition to deals on Australia to Chicago flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Australia to Chicago?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Australia to Chicago.
Can I find deals for business class flights from Australia to Chicago?
Yes. Cheapflights offers flight deals from Australia to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Australia to Chicago

Melbourne to O'Hare Intl flights

Sydney to O'Hare Intl flights

Sydney to Midway flights

Brisbane to O'Hare Intl flights

Adelaide to O'Hare Intl flights

Brisbane to Midway flights

Sydney to St. Louis flights

Brisbane to St. Louis flights

Perth to O'Hare Intl flights

Devonport to St. Louis flights

Melbourne to St. Louis flights

Cairns to O'Hare Intl flights

Brisbane to Moline flights

Melbourne to Midway flights

Townsville to O'Hare Intl flights

Top 10 airlines flying from Australia to Chicago

Airline	Cheapest	Average	Flexibility	On-time
Qantas Airways	Cheapest$982	Average$1,673	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights
American Airlines	Cheapest$1,138	Average$1,758	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Air New Zealand	Cheapest$1,186	Average$1,665	FlexibilityNo cancel fee	On-time78%	Search Air New Zealand flights
Air Canada	Cheapest$1,277	Average$1,865	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
EVA Air	Cheapest$1,543	Average$1,691	FlexibilityNo cancel fee	On-time74%	Search EVA Air flights
Cathay Pacific	Cheapest$1,565	Average$2,362	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
United Airlines	Cheapest$1,578	Average$2,290	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
ANA	Cheapest$1,612	Average$1,806	FlexibilityNo cancel fee	On-time80%	Search ANA flights
Virgin Australia	Cheapest$1,769	Average$2,813	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights
Japan Airlines	Cheapest$2,036	Average$2,423	FlexibilityNo cancel fee	On-time79%	Search Japan Airlines flights

Fly with Cheapflights

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

Deals for Australia to Chicago 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 Australia to Chicago?

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Chicago flexibly with Cheapflights today.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Australia to Chicago from $708

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Australia to Chicago

Keep the following information in mind while searching for Australia to Chicago flight deals. Data was last updated 18 June 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Australia to Chicago

Cheapest flights from Australia to ChicagoExplore the most affordable flight options available from Australia to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2025.

Explore the most affordable flight options available from Australia to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Chicago that are best for you.

Best time to book a flight from Australia to Chicago

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

Cheapflights Insights

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

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

Find hourly flight availability from Australia to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 June 2025.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

Reviews of airlines servicing Chicago

Read through reviews of airlines operating flights from Australia to Chicago, such as Air Tahiti Nui, EVA Air and Korean Air. 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 Australia to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Australia to Chicago one-way?

What are the most popular routes from Australia to Chicago?

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

How can I find direct flights from Australia to Chicago?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Australia to Chicago

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

Top 10 airlines flying from Australia to Chicago

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 Australia to Chicago?

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

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

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

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Cheapest flights from Australia to Chicago
Explore the most affordable flight options available from Australia to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 June 2025.