What airlines fly to Australia?

Qantas Airways, United Airlines and Air Canada are the top three most popular airlines that fly to Australia from Chicago O'Hare Intl Airport according to our data. Qantas Airways is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 9 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Chicago O'Hare Intl to Australia?

Singapore Airlines and Emirates are the most popular carriers operating from Chicago O'Hare Intl to Australia

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Australia?

Prices for flights from Chicago O'Hare Intl Airport to Australia were last updated today.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Australia?

There are 9 operators available for flights from Chicago O'Hare Intl Airport to Australia as of March 2026.

How old do you have to be to fly from Chicago O'Hare Intl Airport to Australia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$459 Cheap Flights from Chicago O'Hare Intl Airport to Australia in 2026

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Find the cheapest flights from Chicago O'Hare Intl Airport to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 am - 10:35 am

ORD

BNE

36h 05m

2 stops

11:35 am - 10:04 pm

BNE

ORD

25h 29m

2 stops

$874Multiple Airlines

qua, mai 6 - qua, mai 13

5:15 am - 11:50 am

ORD

SYD

39h 35m

2 stops

6:00 am - 5:35 am

SYD

ORD

38h 35m

2 stops

$893Multiple Airlines

sex, mai 8 - sáb, mai 16

7:30 am - 10:40 am

ORD

BNE

36h 10m

2 stops

11:35 am - 10:04 pm

BNE

ORD

25h 29m

2 stops

$893Multiple Airlines

ter, mai 5 - ter, mai 12

7:30 am - 11:50 am

ORD

SYD

37h 20m

2 stops

1:15 pm - 10:04 pm

SYD

ORD

23h 49m

2 stops

$902Multiple Airlines

ter, mai 5 - ter, mai 12

3:40 pm - 7:05 am

ORD

BNE

24h 25m

1 stop

10:15 am - 2:45 pm

BNE

ORD

19h 30m

1 stop

$956Air Canada

ter, mai 5 - ter, mai 26

8:45 am - 7:05 am

ORD

BNE

31h 20m

2 stops

10:15 am - 2:45 pm

BNE

ORD

19h 30m

1 stop

$959Air Canada

ter, mai 5 - ter, mai 26

8:57 am - 9:25 am

ORD

ADL

33h 58m

2 stops

5:10 pm - 11:58 am

ADL

ORD

33h 18m

2 stops

$1,178Qantas Airways

dom, abr 19 - dom, abr 26

4:45 pm - 10:45 am

ORD

OOL

27h 00m

2 stops

11:55 am - 11:10 pm

OOL

ORD

26h 15m

2 stops

$1,592Air New Zealand

ter, ago 4 - ter, ago 18

3:20 pm - 11:15 am

ORD

MCY

28h 55m

2 stops

11:55 am - 11:58 pm

MCY

ORD

27h 03m

2 stops

$1,681Qantas Airways

qua, jul 1 - qua, jul 15

7:20 pm - 6:35 pm

ORD

PER

34h 15m

1 stop

10:45 pm - 3:05 pm

PER

ORD

29h 20m

1 stop

$1,733Qatar Airways

qui, mai 7 - qui, mai 14

ANA flights from Chicago O'Hare Intl Airport to Australia

Our best ANA deals on Chicago O'Hare Intl Airport to Australia flight tickets

ANA

May 29

ORD1:55 pmChicago O'Hare Intl

26h 25m

2 stops

SYD7:20 amSydney Kingsford Smith

Aug 18

SYD9:20 amSydney Kingsford Smith

25h 45m

2 stops

ORD8:05 pmChicago O'Hare Intl

$1,185

ANA

Apr 5

ORD11:00 amChicago O'Hare Intl

41h 10m

2 stops

SYD7:10 pmSydney Kingsford Smith

Apr 26

SYD8:55 pmSydney Kingsford Smith

51h 49m

2 stops

ORD9:44 amChicago O'Hare Intl

$1,796

ANA

Apr 5

ORD11:50 amChicago O'Hare Intl

40h 20m

1 stop

SYD7:10 pmSydney Kingsford Smith

Apr 26

SYD8:55 pmSydney Kingsford Smith

51h 49m

2 stops

ORD9:44 amChicago O'Hare Intl

$1,801

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

Our best Air Canada deals on Chicago O'Hare Intl Airport to Australia flight tickets

Air Canada

May 5

ORD3:40 pmChicago O'Hare Intl

24h 25m

1 stop

BNE7:05 amBrisbane

May 26

BNE10:15 amBrisbane

19h 30m

1 stop

ORD2:45 pmChicago O'Hare Intl

$956

Air Canada

May 5

ORD8:45 amChicago O'Hare Intl

31h 20m

2 stops

BNE7:05 amBrisbane

May 26

BNE10:15 amBrisbane

19h 30m

1 stop

ORD2:45 pmChicago O'Hare Intl

$959

Air Canada

Jun 2

ORD11:05 amChicago O'Hare Intl

29h 00m

2 stops

BNE7:05 amBrisbane

Jun 16

BNE10:15 amBrisbane

19h 30m

1 stop

ORD2:45 pmChicago O'Hare Intl

$960

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

qua 5/6

7:30 am-10:35 am

2 stops36h 05m

Brisbane

qua 5/13

11:35 am-10:04 pm

2 stops25h 29m

$874

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

sex 5/8

5:15 am-11:50 am

2 stops39h 35m

Sydney Kingsford Smith

sáb 5/16

6:00 am-5:35 am

2 stops38h 35m

$893

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

ter 5/5

7:30 am-10:40 am

2 stops36h 10m

Brisbane

ter 5/12

11:35 am-10:04 pm

2 stops25h 29m

$893

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

ter 5/5

7:30 am-11:50 am

2 stops37h 20m

Sydney Kingsford Smith

ter 5/12

1:15 pm-10:04 pm

2 stops23h 49m

$902

Quickest round-trip

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

ter 5/5

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

ter 5/26

10:15 am-2:45 pm

1 stop19h 30m

$956

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

ter 5/5

8:45 am-7:05 am

2 stops31h 20m

Brisbane

ter 5/26

10:15 am-2:45 pm

1 stop19h 30m

$959

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

dom 4/19

8:57 am-9:25 am

2 stops33h 58m

Adelaide

dom 4/26

5:10 pm-11:58 am

2 stops33h 18m

$1,178

ChicagoCoolangatta

ORD - OOL

ORDOOL

Chicago O'Hare Intl

ter 8/4

4:45 pm-10:45 am

2 stops27h 00m

Coolangatta Gold Coast

ter 8/18

11:55 am-11:10 pm

2 stops26h 15m

$1,592

ChicagoMaroochydore

ORD - MCY

ORDMCY

Chicago O'Hare Intl

qua 7/1

3:20 pm-11:15 am

2 stops28h 55m

Maroochydore Sunshine Coast

qua 7/15

11:55 am-11:58 pm

2 stops27h 03m

$1,681

ChicagoPerth

ORD - PER

ORDPER

Chicago O'Hare Intl

qui 5/7

7:20 pm-6:35 pm

1 stop34h 15m

Perth

qui 5/14

10:45 pm-3:05 pm

1 stop29h 20m

$1,733

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Australia?

The month of August is, on average, the cheapest month to fly to Australia from Chicago O'Hare Intl Airport, with most prices found around $1,183. If you aren’t able to travel during the month of August, then book flights to Australia from Chicago O'Hare Intl Airport during November instead. Flights to Australia in November, while not as cheap as those in August, still average around $1,189.

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

You are more likely to see cheaper flights to Australia from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,341 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Chicago O'Hare Intl Airport for as low as $1,058 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Australia flights?

You could potentially save up to 20% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Australia flight.

Cheap Chicago O'Hare Intl Airport to Australia flight deals and tips

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

Fastest flight time	20h 36m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Australia takes 20h 36m

There are no direct flights from Chicago O'Hare Intl Airport to Australia. There are no popular flight routes from Chicago O'Hare Intl Airport to Australia.

Search flight deals

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Australia?
Prices for flights from Chicago O'Hare Intl Airport to Australia were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Australia?
There are 9 operators available for flights from Chicago O'Hare Intl Airport to Australia as of March 2026.
How old do you have to be to fly from Chicago O'Hare Intl Airport to Australia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Australia with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $198	Free Cancellation	Rating 7.1 11,507 reviews	Search American Airlines flights
Air Canada	PriceFrom $712	Free Cancellation	Rating 7.1 10,844 reviews	Search Air Canada flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.1 236 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $836	Free Cancellation	Rating 7.5 1,011 reviews	Search Qantas Airways flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,491 reviews	Search United Airlines flights
ANA	PriceFrom $1,177	Free Cancellation	Rating 8.4 1,147 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,217	Free Cancellation	Rating 8.0 621 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,263	Free Cancellation	Rating 7.4 3,732 reviews	Search Qatar Airways flights
Cathay Pacific	PriceFrom $1,470	Free Cancellation	Rating 7.6 1,231 reviews	Search Cathay Pacific flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Australia. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Australia from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

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

Price alerts on flights to Australia from Chicago are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.