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Cheap flights from Illinois to Adelaide from $1,444

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Adelaide departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:40 pm - 6:10 pm
ORD
-
ADL
34h 00m
2 stops
Air Canada Logo
6:10 am - 4:38 pm
ADL
-
ORD
26h 58m
2 stops
$1,444Air Canada
Tue, Nov 24 - Tue, Dec 1
Air Canada Logo
3:40 pm - 1:55 pm
ORD
-
ADL
31h 45m
2 stops
Air Canada Logo
6:55 pm - 2:36 pm
ADL
-
ORD
34h 11m
2 stops
$1,450Air Canada
Tue, Aug 4 - Tue, Aug 18
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
6:55 pm - 2:36 pm
ADL
-
ORD
34h 11m
2 stops
$1,452Air Canada
Mon, Aug 3 - Mon, Aug 10
Air Canada Logo
12:55 pm - 1:55 pm
ORD
-
ADL
34h 30m
3 stops
Air Canada Logo
6:55 pm - 2:36 pm
ADL
-
ORD
34h 11m
2 stops
$1,458Air Canada
Tue, Aug 4 - Tue, Aug 18
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
8:00 pm - 10:05 pm
ADL
-
ORD
40h 35m
3 stops
$1,459Air Canada
Mon, Aug 3 - Mon, Aug 10
Multiple Airlines Logo
7:45 pm - 1:30 pm
ORD
-
ADL
26h 15m
2 stops
Multiple Airlines Logo
6:10 am - 2:41 pm
ADL
-
ORD
24h 01m
2 stops
$1,475Multiple Airlines
Fri, Oct 16 - Sun, Oct 25
Air Canada Logo
7:40 pm - 6:10 pm
ORD
-
ADL
32h 00m
2 stops
Air Canada Logo
8:00 pm - 2:36 pm
ADL
-
ORD
33h 06m
2 stops
$1,486Air Canada
Mon, Aug 10 - Wed, Aug 19
Air Canada Logo
3:40 pm - 1:55 pm
ORD
-
ADL
31h 45m
2 stops
Air Canada Logo
6:55 pm - 2:36 pm
ADL
-
ORD
34h 11m
2 stops
$1,487Air Canada
Mon, Aug 10 - Wed, Aug 19
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
8:00 pm - 10:05 pm
ADL
-
ORD
40h 35m
3 stops
$1,494Air Canada
Mon, Aug 10 - Wed, Aug 19
Air Canada Logo
12:55 pm - 11:50 am
ORD
-
ADL
32h 25m
3 stops
Air Canada Logo
6:55 pm - 2:36 pm
ADL
-
ORD
34h 11m
2 stops
$1,495Air Canada
Mon, Aug 10 - Wed, Aug 19

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Qatar Airways flights from Illinois to Adelaide

Our best Qatar Airways deals on Illinois to Adelaide flight tickets
Qatar Airways
Oct 16
ORD7:20 pmChicago O'Hare Intl
29h 10m
1 stop
ADL4:00 pmAdelaide
Oct 25
ADL5:05 pmAdelaide
37h 55m
2 stops
ORD3:30 pmChicago O'Hare Intl
$1,813
Qatar Airways
Aug 16
ORD7:20 pmChicago O'Hare Intl
29h 10m
1 stop
ADL3:00 pmAdelaide
Sep 1
ADL4:30 pmAdelaide
37h 05m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,986
Qatar Airways
Nov 24
ORD6:50 pmChicago O'Hare Intl
29h 10m
1 stop
ADL4:30 pmAdelaide
Dec 1
ADL10:00 pmAdelaide
33h 00m
1 stop
ORD2:30 pmChicago O'Hare Intl
$2,255

Air Canada flights from Illinois to Adelaide

Our best Air Canada deals on Illinois to Adelaide flight tickets
Air Canada
Nov 24
ORD3:40 pmChicago O'Hare Intl
34h 00m
2 stops
ADL6:10 pmAdelaide
Dec 1
ADL6:10 amAdelaide
26h 58m
2 stops
ORD4:38 pmChicago O'Hare Intl
$1,444
Air Canada
Aug 4
ORD3:40 pmChicago O'Hare Intl
31h 45m
2 stops
ADL1:55 pmAdelaide
Aug 18
ADL6:55 pmAdelaide
34h 11m
2 stops
ORD2:36 pmChicago O'Hare Intl
$1,450
Air Canada
Nov 24
ORD2:00 pmChicago O'Hare Intl
35h 40m
3 stops
ADL6:10 pmAdelaide
Dec 1
ADL6:10 amAdelaide
25h 01m
2 stops
ORD2:41 pmChicago O'Hare Intl
$1,452

momondo Fare Finder

 
Customize your flight search to find flights from Illinois 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 June 24, 2026.
Use the filters below to find and compare flights from Illinois to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/24

3:40 pm-6:10 pm

2 stops34h 00m

Adelaide

Tue 12/1

6:10 am-4:38 pm

2 stops26h 58m

$1,444

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 8/4

3:40 pm-1:55 pm

2 stops31h 45m

Adelaide

Tue 8/18

6:55 pm-2:36 pm

2 stops34h 11m

$1,450

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/3

3:40 pm-11:10 am

2 stops29h 00m

Adelaide

Mon 8/10

6:55 pm-2:36 pm

2 stops34h 11m

$1,452

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 8/4

12:55 pm-1:55 pm

3 stops34h 30m

Adelaide

Tue 8/18

6:55 pm-2:36 pm

2 stops34h 11m

$1,458

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/3

3:40 pm-11:10 am

2 stops29h 00m

Adelaide

Mon 8/10

8:00 pm-10:05 pm

3 stops40h 35m

$1,459
Quickest round-trip

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 10/16

7:45 pm-1:30 pm

2 stops26h 15m

Adelaide

Sun 10/25

6:10 am-2:41 pm

2 stops24h 01m

$1,475

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/10

7:40 pm-6:10 pm

2 stops32h 00m

Adelaide

Wed 8/19

8:00 pm-2:36 pm

2 stops33h 06m

$1,486

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/10

3:40 pm-1:55 pm

2 stops31h 45m

Adelaide

Wed 8/19

6:55 pm-2:36 pm

2 stops34h 11m

$1,487

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/10

3:40 pm-11:10 am

2 stops29h 00m

Adelaide

Wed 8/19

8:00 pm-10:05 pm

3 stops40h 35m

$1,494

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 8/10

12:55 pm-11:50 am

3 stops32h 25m

Adelaide

Wed 8/19

6:55 pm-2:36 pm

2 stops34h 11m

$1,495

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Adelaide from

How to get the cheapest flight ticket from Illinois 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 Illinois is in September. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Adelaide from Illinois during April instead. Flights to Adelaide in April, while not as cheap as those in September, still average around $0.

Cheap Illinois to Adelaide flight deals and tips

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

Fastest flight time

26h 15m

Direct flights

None
The fastest flight from Illinois to Adelaide takes 26h 15m
There are no direct flights from Illinois to Adelaide. There are no popular flight routes from Illinois to Adelaide.
Search flight deals

Frequently asked questions about flying from Illinois to Adelaide

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

    Prices for flights from Illinois to Adelaide Airport refresh daily.

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

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

    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 layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Adelaide Airport.

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

    The required travel and health documents for your Adelaide Airport 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 license and a passport valid for six months after your intended arrival at Adelaide Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Adelaide

Compare and see reviews for airlines that fly from Illinois to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Air New ZealandPriceFrom $1,303Free CancellationRating
8.0
645 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $1,351Free CancellationRating
8.1
245 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,673Free CancellationRating
7.4
9,879 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 Illinois to Adelaide?

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

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

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

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

Once all potential Illinois to Adelaide 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 Illinois to Adelaide right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Adelaide from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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