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Cheap flights from Illinois to Adelaide from $586

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Adelaide departing on 2/15. 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
0 bags

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Find the cheapest flights from Illinois to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:35 pm - 6:10 pm
ORD
-
ADL
34h 05m
2 stops
Air Canada Logo
6:10 am - 2:41 pm
ADL
-
ORD
25h 01m
2 stops
$989Air Canada
mar., feb. 24 - mar., mar. 3
Air Canada Logo
3:35 pm - 6:10 pm
ORD
-
ADL
34h 05m
2 stops
Air Canada Logo
6:10 am - 2:41 pm
ADL
-
ORD
25h 01m
2 stops
$992Air Canada
mar., feb. 24 - mar., mar. 3
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
8:00 pm - 2:41 pm
ADL
-
ORD
33h 11m
2 stops
$997Air Canada
dom., jun. 28 - mar., ago. 11
Air Canada Logo
2:00 pm - 6:10 pm
ORD
-
ADL
35h 40m
3 stops
Air Canada Logo
6:10 am - 2:41 pm
ADL
-
ORD
25h 01m
2 stops
$1,026Air Canada
mar., feb. 24 - mar., mar. 3
Air Canada Logo
1:05 pm - 1:55 pm
ORD
-
ADL
32h 20m
2 stops
Air Canada Logo
6:55 pm - 2:41 pm
ADL
-
ORD
34h 16m
2 stops
$1,039Air Canada
lun., feb. 23 - mié., jul. 15
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
8:00 pm - 2:41 pm
ADL
-
ORD
33h 11m
2 stops
$1,040Air Canada
dom., jun. 28 - mié., ago. 12
Air Canada Logo
3:35 pm - 6:10 pm
ORD
-
ADL
34h 05m
2 stops
Air Canada Logo
6:00 am - 7:45 pm
ADL
-
ORD
30h 15m
3 stops
$1,068Air Canada
mar., feb. 24 - mar., mar. 3
Air Canada Logo
8:40 pm - 6:10 pm
ORD
-
ADL
53h 00m
3 stops
Air Canada Logo
6:55 pm - 2:41 pm
ADL
-
ORD
34h 16m
2 stops
$1,111Air Canada
lun., feb. 23 - mié., jul. 15
Air Canada Logo
2:00 pm - 6:10 pm
ORD
-
ADL
35h 40m
3 stops
Air Canada Logo
6:00 am - 7:45 pm
ADL
-
ORD
30h 15m
3 stops
$1,112Air Canada
mar., feb. 24 - mar., mar. 3
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
ADL
29h 00m
2 stops
Air Canada Logo
8:00 pm - 2:41 pm
ADL
-
ORD
33h 11m
2 stops
$1,146Air Canada
sáb., jun. 27 - mié., ago. 12

United Airlines flights from Illinois to Adelaide

Our best United Airlines deals on Illinois to Adelaide flight tickets
United Airlines
Feb 23
ORD6:17 pmChicago O'Hare Intl
22h 43m
1 stop
ADL9:30 amAdelaide
Jul 15
ADL6:05 amAdelaide
32h 15m
2 stops
ORD11:50 pmChicago O'Hare Intl
$1,637
United Airlines
Jan 15
ORD2:40 pmChicago O'Hare Intl
26h 20m
1 stop
ADL9:30 amAdelaide
Jan 31
ADL2:55 pmAdelaide
21h 25m
1 stop
ORD7:50 pmChicago O'Hare Intl
$1,865
United Airlines
Jan 15
ORD2:40 pmChicago O'Hare Intl
26h 20m
1 stop
ADL9:30 amAdelaide
Jan 31
ADL2:55 pmAdelaide
22h 50m
2 stops
ORD9:15 pmChicago O'Hare Intl
$1,869

Emirates flights from Illinois to Adelaide

Our best Emirates deals on Illinois to Adelaide flight tickets
Emirates
Feb 23
ORD7:45 pmChicago O'Hare Intl
32h 35m
1 stop
ADL8:50 pmAdelaide
Jul 15
ADL9:50 pmAdelaide
32h 25m
1 stop
ORD3:45 pmChicago O'Hare Intl
$2,720
Emirates
Feb 16
ORD7:45 pmChicago O'Hare Intl
32h 35m
1 stop
ADL8:50 pmAdelaide
Feb 19
ADL10:40 pmAdelaide
32h 45m
1 stop
ORD2:55 pmChicago O'Hare Intl
$2,770
Emirates
Jun 27
ORD8:35 pmChicago O'Hare Intl
33h 00m
1 stop
ADL8:05 pmAdelaide
Aug 12
ADL9:50 pmAdelaide
32h 25m
1 stop
ORD3:45 pmChicago O'Hare Intl
$3,006

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 enero 12, 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

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

mar. 2/24

3:35 pm-6:10 pm

2 stops34h 05m

Adelaide

mar. 3/3

6:10 am-2:41 pm

2 stops25h 01m

$989

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

mar. 2/24

3:35 pm-6:10 pm

2 stops34h 05m

Adelaide

mar. 3/3

6:10 am-2:41 pm

2 stops25h 01m

$992

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

dom. 6/28

3:40 pm-11:10 am

2 stops29h 00m

Adelaide

mar. 8/11

8:00 pm-2:41 pm

2 stops33h 11m

$997

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

mar. 2/24

2:00 pm-6:10 pm

3 stops35h 40m

Adelaide

mar. 3/3

6:10 am-2:41 pm

2 stops25h 01m

$1,026

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

lun. 2/23

1:05 pm-1:55 pm

2 stops32h 20m

Adelaide

mié. 7/15

6:55 pm-2:41 pm

2 stops34h 16m

$1,039

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

dom. 6/28

3:40 pm-11:10 am

2 stops29h 00m

Adelaide

mié. 8/12

8:00 pm-2:41 pm

2 stops33h 11m

$1,040

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

mar. 2/24

3:35 pm-6:10 pm

2 stops34h 05m

Adelaide

mar. 3/3

6:00 am-7:45 pm

3 stops30h 15m

$1,068

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

lun. 2/23

8:40 pm-6:10 pm

3 stops53h 00m

Adelaide

mié. 7/15

6:55 pm-2:41 pm

2 stops34h 16m

$1,111

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

mar. 2/24

2:00 pm-6:10 pm

3 stops35h 40m

Adelaide

mar. 3/3

6:00 am-7:45 pm

3 stops30h 15m

$1,112

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

sáb. 6/27

3:40 pm-11:10 am

2 stops29h 00m

Adelaide

mié. 8/12

8:00 pm-2:41 pm

2 stops33h 11m

$1,146

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 airline that flies from Illinois to Adelaide?

Qantas Airways, United Airlines, and Air Canada are the most popular carriers operating from Illinois to Adelaide

What airlines fly to Adelaide?

Fiji Airways, Qantas Airways and Air New Zealand are the top three most popular airlines that fly to Adelaide from Illinois according to our data. Fiji Airways is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Adelaide. Keep in mind that there are 4 different airlines that fly to Adelaide on a routine basis, so you have a few additional options to choose from.

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

29h 00m

Direct flights

None
The fastest flight from Illinois to Adelaide takes 29h 00m
There are no direct flights from Illinois to Adelaide. There are no popular flight routes from Illinois to Adelaide.
Search flight deals

  • 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
Qantas AirwaysPriceFrom $982Free CancellationRating
7.5
969 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $1,303Free CancellationRating
8.0
570 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $1,351Free CancellationRating
8.0
216 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,673Free CancellationRating
7.4
9,145 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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