What airlines fly to Australia?

American Airlines, Qantas Airways and United Airlines are the top three most popular airlines that fly to Australia from Chicago O'Hare Intl Airport according to our data. American Airlines is the first choice among our users, with 44% 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?

ANA, Qantas Airways, and American Airlines 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 February 2025.

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.

$358 Cheap Flights from Chicago O'Hare Intl Airport to Australia in 2025

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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

These are some of the best round-trip flight deals from Chicago O'Hare Intl Airport to Australia that have been recently found on momondo from popular airlines, departing in the coming months.

12:48 pm - 6:45 amORD-MEL

26h 57m1 stop

11:55 am - 11:59 pmMEL-ORD

27h 04m1 stop

$779Qantas Airways

Find Deal

Sat, Apr 12 - Sat, Apr 19

7:17 pm - 9:30 amORD-MEL

22h 13m1 stop

11:55 am - 11:59 pmMEL-ORD

27h 04m1 stop

$804Qantas Airways

Find Deal

Thu, Mar 27 - Sat, Apr 12

5:30 pm - 6:40 amORD-MEL

22h 10m1 stop

9:40 am - 3:56 pmMEL-ORD

21h 16m1 stop

$816American Airlines

Find Deal

Sat, Apr 5 - Sat, Apr 12

12:09 pm - 5:00 amORD-MEL

25h 51m1 stop

9:40 am - 11:56 pmMEL-ORD

29h 16m1 stop

$818American Airlines

Find Deal

Tue, May 13 - Sun, May 25

4:00 pm - 10:50 amORD-MEL

26h 50m2 stops

8:35 am - 7:15 pmMEL-ORD

26h 40m2 stops

$1,003Air New Zealand

Find Deal

Wed, Mar 19 - Wed, Mar 26

3:51 pm - 10:35 amORD-SYD

27h 44m2 stops

11:50 am - 4:51 amSYD-ORD

32h 01m2 stops

$1,216Air New Zealand

Find Deal

Wed, May 28 - Sun, Jun 15

12:50 pm - 7:30 amORD-MEL

27h 40m1 stop

10:55 am - 7:39 pmMEL-ORD

23h 44m1 stop

$1,441United Airlines

Find Deal

Mon, Apr 14 - Mon, Apr 28

4:40 pm - 7:30 amORD-MEL

23h 50m1 stop

9:30 am - 6:55 pmMEL-ORD

24h 25m1 stop

$1,445United Airlines

Find Deal

Mon, Jun 23 - Wed, Jul 16

10:00 am - 11:50 amORD-ADL

35h 20m3 stops

8:00 pm - 2:49 pmADL-ORD

33h 19m2 stops

$1,531Air Canada

Find Deal

Wed, Jul 2 - Sun, Jul 27

3:35 pm - 3:55 pmORD-CNS

33h 20m2 stops

6:00 am - 2:43 pmCNS-ORD

23h 43m2 stops

$1,537Air Canada

Find Deal

Fri, May 23 - Sun, Jun 1

Delta flights from Chicago O'Hare Intl Airport to Australia

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

Delta

Mar 18

ORD1:26 pmChicago O'Hare Intl

26h 19m

2 stops

SYD7:45 amSydney Kingsford Smith

Mar 25

SYD10:05 amSydney Kingsford Smith

23h 41m

2 stops

ORD5:46 pmChicago O'Hare Intl

$937

Find similar

Delta

Mar 2

ORD11:15 amChicago O'Hare Intl

28h 20m

2 stops

SYD8:35 amSydney Kingsford Smith

Mar 9

SYD11:05 amSydney Kingsford Smith

37h 32m

2 stops

ORD7:37 amChicago O'Hare Intl

$952

Find similar

Delta

Jun 1

ORD12:17 pmChicago O'Hare Intl

27h 18m

2 stops

SYD6:35 amSydney Kingsford Smith

Jun 17

SYD9:25 amSydney Kingsford Smith

29h 30m

2 stops

ORD11:55 pmChicago O'Hare Intl

$1,204

Find similar

Fiji Airways flights from Chicago O'Hare Intl Airport to Australia

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

Fiji Airways

May 10

ORD6:45 pmChicago O'Hare Intl

26h 00m

2 stops

SYD11:45 amSydney Kingsford Smith

May 17

SYD1:45 pmSydney Kingsford Smith

21h 42m

2 stops

ORD8:27 pmChicago O'Hare Intl

$1,175

Find similar

Fiji Airways

Feb 25

ORD4:55 pmChicago O'Hare Intl

35h 55m

2 stops

SYD9:50 pmSydney Kingsford Smith

Mar 4

SYD6:15 amSydney Kingsford Smith

30h 02m

2 stops

ORD7:17 pmChicago O'Hare Intl

$1,210

Find similar

Fiji Airways

Apr 3

ORD6:45 pmChicago O'Hare Intl

26h 30m

2 stops

SYD1:15 pmSydney Kingsford Smith

Apr 22

SYD6:15 amSydney Kingsford Smith

30h 00m

2 stops

ORD9:15 pmChicago O'Hare Intl

$1,213

Find similar

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 May is, on average, the cheapest month to fly to Australia from Chicago O'Hare Intl Airport, with most prices found around $885. If you aren’t able to travel during the month of May, then book flights to Australia from Chicago O'Hare Intl Airport during March instead. Flights to Australia in March, while not as cheap as those in May, still average around $897.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Chicago O'Hare Intl Airport to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $935. On the other hand, Thursday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,415.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Chicago O'Hare Intl Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,185 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,417 on average. Flights to Australia from Chicago O'Hare Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,130 when searching 25 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 $843 on momondo.

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

Best Price Found	$358
Fastest flight time	20h 30m
Direct flights	None
Airports in Australia	6 airports

The best one-way flight to Australia from Chicago O'Hare Intl Airport in the past 72 hours is $358. The best round-trip flight deal from Chicago O'Hare Intl Airport to Australia found on momondo in the last 72 hours is $779.

The fastest flight from Chicago O'Hare Intl Airport to Australia takes 20h 30m

There are no direct flights from Chicago O'Hare Intl Airport to Australia. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Melbourne Airport, Chicago O'Hare Intl Airport - Sydney Kingsford Smith Airport and Chicago O'Hare Intl Airport - Brisbane Airport.

There are 6 airports near Australia: Melbourne (MEL), Brisbane (BNE), Cairns (CNS), Adelaide (ADL), Coolangatta Gold Coast (OOL), Sydney Kingsford Smith (SYD)

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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 February 2025.
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
Qantas Airways	PriceFrom $618	Free Cancellation	Rating 7.4 814 reviews	Search Qantas Airways flights
ANA	PriceFrom $679	Free Cancellation	Rating 8.4 842 reviews	Search ANA flights
American Airlines	PriceFrom $679	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Delta	PriceFrom $851	Free Cancellation	Rating 8.0 8,220 reviews	Search Delta flights
Air Canada	PriceFrom $958	Free Cancellation	Rating 7.0 8,748 reviews	Search Air Canada flights
United Airlines	PriceFrom $994	Free Cancellation	Rating 7.4 8,766 reviews	Search United Airlines flights
Cathay Pacific	PriceFrom $1,138	Free Cancellation	Rating 7.5 821 reviews	Search Cathay Pacific flights
Air New Zealand	PriceFrom $1,181	Free Cancellation	Rating 7.9 461 reviews	Search Air New Zealand flights
Singapore Airlines	PriceFrom $1,421	Free Cancellation	Rating 8.1 1,299 reviews	Search Singapore Airlines 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.