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Cheap flights from Chicago to Australia from $643

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 6/2. 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 return flights

These are some of the best return 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 stopovers.

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.
07:00 - 19:15ORD-SYD
45h 15m2 stops
20:55 - 05:03SYD-ORD
47h 08m2 stops
$1,111ANA
Find Deal
Sun, 11 May - Sun, 25 May
18:50 - 07:05ORD-SYD
21h 15m1 stop
09:10 - 19:38SYD-ORD
25h 28m1 stop
$1,294Qantas Airways
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Wed, 14 May - Wed, 21 May
07:00 - 19:15ORD-SYD
45h 15m2 stops
17:35 - 23:28SYD-ORD
20h 53m1 stop
$1,314
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Sun, 11 May - Sun, 25 May
15:22 - 06:35ORD-SYD
22h 13m1 stop
17:35 - 05:07SYD-ORD
26h 32m1 stop
$1,346American Airlines
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Tue, 11 Feb - Sun, 22 Jun
17:10 - 07:25ORD-SYD
22h 15m1 stop
11:50 - 17:43SYD-ORD
21h 53m2 stops
$1,353American Airlines
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Mon, 10 Mar - Wed, 19 Mar
19:13 - 09:00ORD-SYD
21h 47m1 stop
17:25 - 23:59SYD-ORD
22h 34m1 stop
$1,377
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Wed, 12 Mar - Mon, 24 Mar
11:35 - 09:35ORD-SYD
29h 00m2 stops
11:20 - 19:55SYD-ORD
25h 35m2 stops
$1,981Air Canada
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Sun, 2 Feb - Tue, 25 Feb
11:35 - 09:35ORD-SYD
29h 00m2 stops
11:20 - 19:55SYD-ORD
25h 35m2 stops
$1,983Air Canada
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Tue, 4 Feb - Mon, 17 Feb
10:40 - 19:45ORD-CNS
42h 05m2 stops
06:00 - 20:10CNS-ORD
29h 10m2 stops
$2,880United Airlines
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Tue, 10 Jun - Wed, 18 Jun
21:21 - 11:10ORD-CNS
46h 49m2 stops
06:00 - 22:37CNS-ORD
31h 37m2 stops
$2,997United Airlines
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Thu, 5 Jun - Sun, 15 Jun
15:20 - 09:00ORD-SYD
24h 40m1 stop
$643Qantas Airways
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Thu, 6 Feb
09:45 - 07:25ORD-SYD
28h 40m1 stop
$662American Airlines
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Thu, 30 Jan
11:50 - 05:00ORD-BNE
26h 10m1 stop
Thu, 15 May
07:00 - 07:30ORD-BNE
57h 30m3 stops
Thu, 15 May
16:55 - 12:30ORD-SYD
26h 35m2 stops
$988Fiji Airways
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Tue, 4 Mar
17:40 - 13:00ORD-SYD
26h 20m2 stops
$1,031Fiji Airways
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Thu, 6 Feb
07:20 - 08:20ORD-SYD
33h 00m2 stops
$1,135Air Canada
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Tue, 1 Apr
07:20 - 08:20ORD-SYD
33h 00m3 stops
$1,145Air Canada
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Tue, 1 Apr
17:50 - 07:00ORD-SYD
44h 10m1 stop
$1,999United Airlines
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Sat, 18 Jan
20:25 - 07:30ORD-BNE
43h 05m1 stop
$2,061United Airlines
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Fri, 17 Jan
20:25 - 09:00ORD-SYD
43h 35m1 stop
11:15 - 17:29SYD-ORD
23h 14m1 stop
$1,346Qantas Airways
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Mon, 23 Dec - Mon, 30 Dec
19:18 - 09:00ORD-SYD
20h 42m1 stop
11:15 - 16:02SYD-ORD
21h 47m1 stop
$1,356Qantas Airways
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Wed, 25 Dec - Fri, 27 Dec
11:56 - 06:35ORD-SYD
25h 39m1 stop
21:25 - 05:46SYD-ORD
25h 21m1 stop
$1,382American Airlines
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Wed, 25 Dec - Fri, 27 Dec
14:14 - 06:35ORD-SYD
23h 21m2 stops
21:25 - 05:46SYD-ORD
25h 21m1 stop
$1,388American Airlines
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Wed, 25 Dec - Fri, 27 Dec
09:50 - 09:35ORD-SYD
30h 45m2 stops
11:20 - 10:54SYD-ORD
40h 34m3 stops
$2,447Air Canada
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Tue, 24 Dec - Sun, 29 Dec
20:25 - 09:35ORD-SYD
44h 10m2 stops
11:20 - 19:32SYD-ORD
25h 12m2 stops
$2,448Air Canada
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Mon, 23 Dec - Mon, 30 Dec
06:15 - 09:05ORD-SYD
33h 50m1 stop
16:15 - 23:19SYD-ORD
24h 04m1 stop
$2,792United Airlines
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Thu, 26 Dec - Sun, 12 Jan
07:25 - 07:00ORD-SYD
30h 35m1 stop
11:20 - 19:33SYD-ORD
25h 13m1 stop
$2,806United Airlines
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Wed, 25 Dec - Fri, 31 Jan
21:45 - 09:05ORD-SYD
42h 20m1 stop
11:45 - 19:49SYD-ORD
25h 04m2 stops
$4,146Air New Zealand
Find Deal
Mon, 23 Dec - Sun, 29 Dec
21:45 - 09:05ORD-SYD
42h 20m1 stop
09:55 - 21:14SYD-ORD
28h 19m2 stops
$4,383Air New Zealand
Find Deal
Mon, 23 Dec - Wed, 1 Jan

Qantas Airways flights from Chicago to Australia

Our best Qantas Airways deals on Chicago to Australia flight tickets
Qantas Airways
14 May
ORD18:50Chicago O'Hare Intl
21h 15m
1 stop
SYD07:05Sydney Kingsford Smith
21 May
SYD09:10Sydney Kingsford Smith
25h 28m
1 stop
ORD19:38Chicago O'Hare Intl
Qantas Airways
10 Mar
ORD19:13Chicago O'Hare Intl
21h 47m
1 stop
SYD09:00Sydney Kingsford Smith
26 Mar
SYD11:15Sydney Kingsford Smith
20h 40m
1 stop
ORD15:55Chicago O'Hare Intl
Qantas Airways
9 Mar
ORD15:16Chicago O'Hare Intl
25h 44m
1 stop
SYD09:00Sydney Kingsford Smith
24 Mar
SYD11:15Sydney Kingsford Smith
28h 44m
1 stop
ORD23:59Chicago O'Hare Intl

Fiji Airways flights from Chicago to Australia

Our best Fiji Airways deals on Chicago to Australia flight tickets
Fiji Airways
1 Mar
ORD16:55Chicago O'Hare Intl
26h 35m
2 stops
SYD12:30Sydney Kingsford Smith
15 Mar
SYD14:30Sydney Kingsford Smith
22h 37m
2 stops
ORD21:07Chicago O'Hare Intl
Fiji Airways
8 Feb
ORD16:35Chicago O'Hare Intl
26h 55m
2 stops
SYD12:30Sydney Kingsford Smith
20 Feb
SYD14:00Sydney Kingsford Smith
22h 18m
2 stops
ORD19:18Chicago O'Hare Intl
Fiji Airways
3 May
ORD18:45Chicago O'Hare Intl
26h 00m
2 stops
SYD11:45Sydney Kingsford Smith
17 May
SYD13:45Sydney Kingsford Smith
22h 00m
2 stops
ORD20:45Chicago 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?

In general, May is the cheapest month to fly from Chicago to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,446. If you don’t want to visit Australia in May, then you should wait until March to fly from Chicago, when ticket prices are also cheap, with an average price of $1,625.

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

On average, the least expensive day to fly to Australia from Chicago is on a Friday. momondo users have found tickets for Friday departures for as low as $1,472. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Chicago to Australia on a Thursday will generally be more expensive and average around $3,932. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Australia is in the morning. momondo users have found flights departing from Chicago to Australia in the morning for as low as $0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Australia are more costly in the evening, with an average ticket price of $2,592. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

In general, most travellers find the cheapest time to book a flight to Australia is about 37 days prior to their departure date, when tickets on average are $1,974. Don’t hesitate to check prices now though, because momondo users recently found tickets for as low as $2,230.

Can stopping save me money on Chicago to Australia flights?

You could potentially save up to 2% 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

$643

Fastest flight time

19h 45m

Direct flights

None

Airports in Australia

7 airports
The best one-way flight to Australia from Chicago in the past 72 hours is $643. The best return flight deal from Chicago to Australia found on momondo in the last 72 hours is $1,111.
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 - Brisbane Airport and Chicago O'Hare Intl Airport - Hobart Airport.
There are 7 airports near Australia: Melbourne (MEL), Hobart (HBA), Brisbane (BNE), Cairns (CNS), Adelaide (ADL), Perth (PER), Sydney Kingsford Smith (SYD)

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

    Prices for flights from Chicago to Australia are updated daily.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify 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 required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.


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 $1,457Free cancellationRating
7.5
806 reviews
Search Qantas Airways flights
Air CanadaPriceFrom $1,544Free cancellationRating
7.0
8,413 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,803Free cancellationRating
7.4
9,028 reviews
Search United Airlines flights

Why use momondo?

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

Finding the right flight to Australia from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. All flights to Australia from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Chicago and alert you when they change.


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