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Cheap flights from Chicago to Australia from $345

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Australia departing on 3/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago to Australia

Cheap round-trip flights

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

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Chicago to Australia.

Cheap last minute flights

Planning a quick getaway from Chicago to Australia? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Australia, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Chicago to Australia

Find recent round-trip train or bus tickets from Chicago to Australia.

All round-trip flight deals to Australia

The cheapest plane tickets to Australia found on KAYAK recently.
7:15 am - 7:15 pmORD-SYD
45h 00m2 stops
8:55 pm - 4:59 amSYD-ORD
47h 04m2 stops
$741ANA
Find Deal
Sat, May 10 - Sat, May 17
7:15 am - 7:15 pmORD-SYD
45h 00m2 stops
8:55 pm - 2:55 pmSYD-ORD
33h 00m1 stop
$759ANA
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Sat, May 10 - Sat, May 17
2:14 pm - 9:00 amORD-SYD
25h 46m1 stop
11:15 am - 3:47 pmSYD-ORD
21h 32m1 stop
$816Qantas Airways
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Wed, Feb 5 - Wed, Feb 19
9:55 am - 7:05 amORD-SYD
30h 10m1 stop
9:10 am - 11:34 pmSYD-ORD
29h 24m1 stop
$818Qantas Airways
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Tue, Apr 22 - Sun, May 4
3:20 pm - 7:25 amORD-SYD
23h 05m1 stop
5:35 pm - 5:58 amSYD-ORD
27h 23m1 stop
$844American Airlines
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Tue, Feb 11 - Sun, Jun 22
3:01 pm - 6:35 amORD-SYD
23h 34m2 stops
6:35 pm - 12:28 amSYD-ORD
21h 53m2 stops
$848American Airlines
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Wed, Mar 26 - Wed, Apr 2
8:15 pm - 2:45 pmORD-PER
52h 30m2 stops
3:15 pm - 2:54 pmPER-ORD
37h 39m2 stops
$2,177United Airlines
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Sat, Feb 1 - Sat, Feb 8
3:50 pm - 2:45 pmORD-PER
32h 55m2 stops
11:45 pm - 11:19 pmPER-ORD
37h 34m2 stops
$2,253United Airlines
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Fri, Jan 31 - Fri, Feb 7
6:22 pm - 4:30 pmORD-CBR
29h 08m3 stops
10:30 am - 8:25 pmCBR-ORD
26h 55m3 stops
$2,478Air New Zealand
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Fri, Jan 31 - Fri, Feb 7
2:35 pm - 7:30 pmORD-CBR
35h 55m3 stops
6:05 am - 2:35 pmCBR-ORD
25h 30m2 stops
$2,882Air New Zealand
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Tue, Jan 7 - Tue, Jan 14
7:00 am - 8:15 pmORD-SYD
45h 15m2 stops
$345ANA
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Mon, Mar 10
2:14 pm - 9:00 amORD-SYD
25h 46m1 stop
$406Qantas Airways
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Thu, Feb 6
10:00 am - 7:25 amORD-SYD
28h 25m2 stops
$413American Airlines
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Sat, Feb 1
3:01 pm - 6:35 amORD-SYD
23h 34m2 stops
$417American Airlines
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Fri, Mar 28
7:20 am - 8:20 amORD-SYD
33h 00m2 stops
$711Air Canada
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Tue, Apr 1
7:20 am - 8:20 amORD-SYD
33h 00m3 stops
$716Air Canada
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Tue, Apr 1
3:35 pm - 9:05 amORD-SYD
24h 30m1 stop
$900United Airlines
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Wed, Jan 29
12:55 pm - 9:15 amORD-SYD
27h 20m2 stops
$907United Airlines
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Tue, Jan 21
2:40 pm - 10:40 pmORD-BNE
40h 00m1 stop
$1,041Cathay Pacific
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Sun, Jan 26
2:40 pm - 9:35 amORD-PER
28h 55m1 stop
$1,166Cathay Pacific
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Sat, Dec 28
9:50 am - 7:25 amORD-SYD
28h 35m1 stop
5:25 pm - 5:05 amSYD-ORD
28h 40m1 stop
$1,018American Airlines
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Mon, Dec 23 - Wed, Jan 22
3:40 pm - 7:25 amORD-SYD
22h 45m1 stop
11:50 am - 4:28 pmSYD-ORD
21h 38m2 stops
$1,023American Airlines
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Mon, Dec 23 - Wed, Jan 22
6:28 pm - 9:35 amORD-SYD
46h 07m2 stops
11:20 am - 4:51 pmSYD-ORD
46h 31m2 stops
$1,647Air Canada
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Mon, Dec 23 - Wed, Jan 22
8:25 pm - 9:00 amORD-SYD
43h 35m1 stop
11:15 am - 4:02 pmSYD-ORD
21h 47m1 stop
$1,799Qantas Airways
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Mon, Dec 23 - Thu, Jan 2
8:25 pm - 9:00 amORD-SYD
43h 35m1 stop
11:15 am - 11:10 pmSYD-ORD
28h 55m1 stop
$1,845Qantas Airways
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Sat, Dec 21 - Sat, Dec 28
9:29 pm - 7:00 amORD-SYD
40h 31m1 stop
11:20 am - 2:35 pmSYD-ORD
20h 15m1 stop
$1,943United Airlines
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Mon, Dec 23 - Fri, Jan 31
6:05 pm - 7:00 amORD-SYD
43h 55m1 stop
11:20 am - 11:59 pmSYD-ORD
29h 39m2 stops
$2,122United Airlines
Find Deal
Mon, Dec 23 - Thu, Jan 2
2:05 pm - 9:35 amORD-SYD
26h 30m2 stops
11:20 am - 7:32 pmSYD-ORD
25h 12m2 stops
$2,152Air Canada
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Thu, Dec 19 - Sun, Dec 29
7:10 am - 9:30 amORD-MEL
33h 20m1 stop
6:55 pm - 7:33 pmMEL-ORD
41h 38m2 stops
$2,741Air New Zealand
Find Deal
Sat, Dec 21 - Thu, Jan 9
1:55 pm - 9:05 amORD-SYD
26h 10m1 stop
11:45 am - 11:59 pmSYD-ORD
29h 14m2 stops
$2,763Air New Zealand
Find Deal
Sun, Dec 22 - Tue, Dec 24

ANA flights from Chicago to Australia

Our best ANA deals on Chicago to Australia flight tickets
ANA
May 10
ORD7:15 amChicago O'Hare Intl
45h 00m
2 stops
SYD7:15 pmSydney Kingsford Smith
May 17
SYD8:55 pmSydney Kingsford Smith
47h 04m
2 stops
ORD4:59 amChicago O'Hare Intl
ANA
May 10
ORD7:15 amChicago O'Hare Intl
45h 00m
2 stops
SYD7:15 pmSydney Kingsford Smith
May 17
SYD8:55 pmSydney Kingsford Smith
33h 00m
1 stop
ORD2:55 pmChicago O'Hare Intl
ANA
May 10
ORD7:15 amChicago O'Hare Intl
45h 00m
2 stops
SYD7:15 pmSydney Kingsford Smith
May 17
SYD8:55 pmSydney Kingsford Smith
47h 04m
2 stops
ORD4:59 amChicago O'Hare Intl

Qantas Airways flights from Chicago to Australia

Our best Qantas Airways deals on Chicago to Australia flight tickets
Qantas Airways
Feb 5
ORD2:14 pmChicago O'Hare Intl
25h 46m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 19
SYD11:15 amSydney Kingsford Smith
21h 32m
1 stop
ORD3:47 pmChicago O'Hare Intl
Qantas Airways
Apr 22
ORD9:55 amChicago O'Hare Intl
30h 10m
1 stop
SYD7:05 amSydney Kingsford Smith
May 4
SYD9:10 amSydney Kingsford Smith
29h 24m
1 stop
ORD11:34 pmChicago O'Hare Intl
Qantas Airways
Feb 4
ORD5:40 pmChicago O'Hare Intl
22h 20m
1 stop
SYD9:00 amSydney Kingsford Smith
Feb 17
SYD11:15 amSydney Kingsford Smith
21h 35m
1 stop
ORD3:50 pmChicago O'Hare Intl

See travel insights to Australia from

How to get the cheapest flight ticket from Chicago 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

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, with most prices found around $906. If you aren’t able to travel during the month of May, then book flights to Australia from Chicago during March instead. Flights to Australia in March, while not as cheap as those in May, still average around $1,028.

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

The cheapest day to depart from Chicago 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 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 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 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?

The best time to book a flight to Australia from Chicago is 37 days out, which is when prices tend to be around $1,243. Keep in mind that you might be able to find cheaper flights to Australia at any time. In fact, our users found flights for as low as $881 in the past 72 hours.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 15% on your flight if you consider stops on a Chicago to Australia flight.

Cheap Chicago to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Australia

Best Price Found

$345

Fastest flight time

19h 45m

Direct flights

None

Airports in Australia

4 airports
The best one-way flight to Australia from Chicago in the past 72 hours is $345. The best round-trip flight deal from Chicago to Australia found on momondo in the last 72 hours is $741.
The fastest flight from Chicago to Australia takes 19h 45m
There are no direct flights from Chicago to Australia. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Sydney Kingsford Smith Airport, Chicago O'Hare Intl Airport - Cairns Airport and Chicago O'Hare Intl Airport - Brisbane Airport.
There are 4 airports near Australia: Melbourne (MEL), Brisbane (BNE), Cairns (CNS), Sydney Kingsford Smith (SYD)

  • When did momondo last update prices for flights from Chicago to Australia?

    Prices for flights from Chicago to Australia were last updated today.

  • How many operators does momondo search for flights from Chicago to Australia?

  • How old do you have to be to fly from Chicago 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 to Australia.

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

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.


Best airlines flying from Chicago to Australia

Compare and see reviews for airlines that fly from Chicago to Australia with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $630Free CancellationRating
7.5
809 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $679Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $851Free CancellationRating
8.0
8,604 reviews
Search Delta flights
United AirlinesPriceFrom $916Free CancellationRating
7.4
9,055 reviews
Search United Airlines flights
Air CanadaPriceFrom $956Free CancellationRating
7.0
8,382 reviews
Search Air Canada flights
Cathay PacificPriceFrom $1,138Free CancellationRating
7.6
841 reviews
Search Cathay Pacific flights
Air New ZealandPriceFrom $1,181Free CancellationRating
7.9
497 reviews
Search Air New Zealand flights
Singapore AirlinesPriceFrom $1,421Free CancellationRating
8.1
1,329 reviews
Search Singapore Airlines flights
Qatar AirwaysPriceFrom $1,700Free CancellationRating
7.5
3,798 reviews
Search Qatar Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Australia from Chicago.

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

Flights from Chicago to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Australia.

I’m not ready to book a flight from Chicago to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Chicago to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.


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