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Cheap flights from Chicago to Adelaide from $831

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 Adelaide departing on 11/21. 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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0 bags

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Cheap round-trip flights

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Qantas Airways Logo
4:45 pm - 6:50 pmORD-ADL
33h 35m2 stops
Qantas Airways Logo
8:45 am - 1:36 pmADL-ORD
45h 21m2 stops
$1,497Qantas Airways
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Thu, Dec 11 - Sat, Dec 20
Multiple Airlines Logo
8:00 am - 4:10 pmORD-ADL
39h 40m3 stops
Multiple Airlines Logo
6:25 am - 2:41 pmADL-ORD
24h 46m2 stops
$1,548Multiple Airlines
Find Deal
Thu, Dec 11 - Sat, Dec 20
United Airlines Logo
4:10 pm - 9:30 amORD-ADL
24h 50m1 stop
United Airlines Logo
2:55 pm - 7:50 pmADL-ORD
21h 25m1 stop
$1,711United Airlines
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Thu, Dec 11 - Sat, Dec 20
United Airlines Logo
6:35 pm - 9:30 amORD-ADL
22h 25m1 stop
United Airlines Logo
2:55 pm - 9:19 pmADL-ORD
22h 54m2 stops
$1,715United Airlines
Find Deal
Thu, Dec 11 - Sat, Dec 20
Air New Zealand Logo
6:15 am - 10:55 amORD-ADL
36h 10m2 stops
Air New Zealand Logo
6:05 am - 8:25 pmADL-ORD
30h 50m2 stops
$1,719Air New Zealand
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Sat, Nov 29 - Tue, Dec 9
Air New Zealand Logo
9:05 pm - 10:55 amORD-ADL
45h 20m2 stops
Air New Zealand Logo
4:30 pm - 5:02 pmADL-ORD
41h 02m2 stops
$1,820Air New Zealand
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Fri, Jan 9 - Sat, Jan 24
Air Canada Logo
1:05 pm - 4:20 pmORD-ADL
34h 45m2 stops
Air Canada Logo
6:00 am - 7:30 pmADL-ORD
30h 00m3 stops
$1,881Air Canada
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Fri, Jan 9 - Sat, Jan 24
Air Canada Logo
9:20 pm - 1:55 pmORD-ADL
48h 05m3 stops
Air Canada Logo
6:00 am - 2:41 pmADL-ORD
25h 11m2 stops
$2,053Air Canada
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Sat, Nov 29 - Tue, Dec 9
Qatar Airways Logo
6:50 pm - 5:05 pmORD-ADL
29h 45m1 stop
Qatar Airways Logo
10:00 pm - 2:30 pmADL-ORD
33h 00m1 stop
$2,708Qatar Airways
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Fri, Jan 9 - Sat, Jan 24
Qatar Airways Logo
6:50 pm - 5:05 pmORD-ADL
29h 45m1 stop
Qatar Airways Logo
11:40 am - 2:30 pmADL-ORD
43h 20m2 stops
$2,984Qatar Airways
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Sat, Nov 29 - Tue, Dec 9

Qantas Airways flights from Chicago to Adelaide

Our best Qantas Airways deals on Chicago to Adelaide flight tickets
Qantas Airways
Dec 11
ORD4:45 pmChicago O'Hare Intl
33h 35m
2 stops
ADL6:50 pmAdelaide
Dec 20
ADL8:45 amAdelaide
45h 21m
2 stops
ORD1:36 pmChicago O'Hare Intl
$1,497
Find similar
Qantas Airways
Nov 15
ORD6:03 pmChicago O'Hare Intl
32h 12m
2 stops
ADL6:45 pmAdelaide
Mar 7
ADL8:45 amAdelaide
44h 46m
2 stops
ORD1:01 pmChicago O'Hare Intl
$1,753
Find similar
Qantas Airways
Dec 23
ORD9:28 amChicago O'Hare Intl
35h 02m
2 stops
ADL1:00 pmAdelaide
Dec 30
ADL4:30 pmAdelaide
40h 44m
2 stops
ORD4:44 pmChicago O'Hare Intl
$2,192
Find similar

United Airlines flights from Chicago to Adelaide

Our best United Airlines deals on Chicago to Adelaide flight tickets
United Airlines
Dec 11
ORD4:10 pmChicago O'Hare Intl
24h 50m
1 stop
ADL9:30 amAdelaide
Dec 20
ADL2:55 pmAdelaide
21h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
$1,711
Find similar
United Airlines
Dec 11
ORD6:35 pmChicago O'Hare Intl
22h 25m
1 stop
ADL9:30 amAdelaide
Dec 20
ADL2:55 pmAdelaide
22h 54m
2 stops
ORD9:19 pmChicago O'Hare Intl
$1,715
Find similar
United Airlines
Jan 9
ORD9:05 pmChicago O'Hare Intl
43h 55m
2 stops
ADL9:30 amAdelaide
Jan 24
ADL2:55 pmAdelaide
21h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
$1,915
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momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 9, 2025.
Use the filters below to find and compare flights from Chicago to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 12/11

4:45 pm-6:50 pm

2 stops33h 35m

Adelaide

Sat 12/20

8:45 am-1:36 pm

2 stops45h 21m

$1,497

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 12/11

8:00 am-4:10 pm

3 stops39h 40m

Adelaide

Sat 12/20

6:25 am-2:41 pm

2 stops24h 46m

$1,548

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 12/11

4:10 pm-9:30 am

1 stop24h 50m

Adelaide

Sat 12/20

2:55 pm-7:50 pm

1 stop21h 25m

$1,711

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 12/11

6:35 pm-9:30 am

1 stop22h 25m

Adelaide

Sat 12/20

2:55 pm-9:19 pm

2 stops22h 54m

$1,715

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 11/29

6:15 am-10:55 am

2 stops36h 10m

Adelaide

Tue 12/9

6:05 am-8:25 pm

2 stops30h 50m

$1,719

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 1/9

9:05 pm-10:55 am

2 stops45h 20m

Adelaide

Sat 1/24

4:30 pm-5:02 pm

2 stops41h 02m

$1,820

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 1/9

1:05 pm-4:20 pm

2 stops34h 45m

Adelaide

Sat 1/24

6:00 am-7:30 pm

3 stops30h 00m

$1,881

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 11/29

9:20 pm-1:55 pm

3 stops48h 05m

Adelaide

Tue 12/9

6:00 am-2:41 pm

2 stops25h 11m

$2,053

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 1/9

6:50 pm-5:05 pm

1 stop29h 45m

Adelaide

Sat 1/24

10:00 pm-2:30 pm

1 stop33h 00m

$2,708

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 11/29

6:50 pm-5:05 pm

1 stop29h 45m

Adelaide

Tue 12/9

11:40 am-2:30 pm

2 stops43h 20m

$2,984

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago to Adelaide

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 Adelaide?

The cheapest month to fly to Adelaide from Chicago is in February. Flight prices, which tend to average around $1,023, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Adelaide from Chicago during April instead. Flights to Adelaide in April, while not as cheap as those in February, still average around $1,060.

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

The cheapest day to depart on your flight to Adelaide is on a Tuesday when prices can be found for as low as $1,440. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Saturday, with ticket prices averaging around $2,298.

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

According to our data, the cheapest time of day to fly to Adelaide is at noon. momondo users have found flights departing from Chicago to Adelaide at noon for as low as $1,201. 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 Adelaide are more costly in the morning, with an average ticket price of $2,194. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Chicago to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Adelaide (CHI to ADL) flight deals and tips

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

Direct flights

None
There are no direct flights from Chicago to Adelaide. There are no popular flight routes from Chicago to Adelaide.
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  • How far is Chicago to Adelaide by plane?

    The straight-line distance from Chicago to Adelaide is 9912.3 mi. 22h 25m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Adelaide Airport are updated daily.

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

  • How old do you have to be to fly from Chicago to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents required for your trip to Adelaide Airport 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 Adelaide Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago to Adelaide?

Best airlines flying from Chicago to Adelaide

Compare and see reviews for airlines that fly from Chicago to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $982Free CancellationRating
7.5
930 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,303Free CancellationRating
8.0
526 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $1,351Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,885Free CancellationRating
7.4
9,012 reviews
Search United Airlines flights

Traveling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

Why use momondo?

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

Finding the right flight to Adelaide 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 Adelaide quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Chicago to Adelaide flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Chicago and Adelaide by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

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