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

Prices for flights from Adelaide Airport to Illinois are refreshed on a daily basis.

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

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 Adelaide Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$1,011 Cheap Flights from Adelaide to Illinois in 2025/26

1 adult

0 bags

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Find the cheapest flights from Adelaide to Illinois

Round-trip

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:55 pm - 6:30 am

ADL

ORD

32h 05m2 stops

6:29 pm - 9:30 am

ORD

ADL

22h 31m1 stop

$1,011United Airlines

Mon, Feb 2 - Mon, Feb 9

4:10 pm - 11:54 pm

ADL

ORD

23h 14m2 stops

5:30 pm - 9:25 am

ORD

ADL

25h 25m2 stops

$1,081Multiple Airlines

Sat, Mar 21 - Wed, Apr 22

7:15 am - 8:25 pm

ADL

ORD

29h 40m2 stops

4:16 pm - 2:10 pm

ORD

ADL

29h 24m2 stops

$1,237United Airlines

Tue, Jan 13 - Tue, Jan 27

1:55 pm - 6:19 am

ADL

ORD

31h 54m1 stop

6:20 pm - 10:55 am

ORD

ADL

26h 05m2 stops

$1,260Virgin Australia

Sat, Mar 21 - Wed, Apr 22

6:10 am - 2:41 pm

ADL

ORD

24h 01m2 stops

2:00 pm - 11:50 am

ORD

ADL

31h 20m3 stops

$1,519Air Canada

Sat, Mar 21 - Wed, Apr 22

12:00 pm - 8:39 pm

ADL

ORD

25h 09m2 stops

1:15 pm - 10:55 am

ORD

ADL

29h 10m3 stops

$1,583Multiple Airlines

Mon, Feb 2 - Mon, Feb 9

6:10 am - 2:41 pm

ADL

ORD

25h 01m2 stops

3:35 pm - 10:30 pm

ORD

ADL

38h 25m2 stops

$1,606Air Canada

Wed, Feb 4 - Sun, Feb 8

6:10 am - 2:41 pm

ADL

ORD

25h 01m2 stops

3:35 pm - 10:30 pm

ORD

ADL

38h 25m2 stops

$1,607Air Canada

Wed, Feb 4 - Sun, Feb 8

6:00 am - 9:13 am

ADL

ORD

43h 43m3 stops

3:35 pm - 10:30 pm

ORD

ADL

38h 25m2 stops

$1,629Air Canada

Wed, Feb 4 - Sun, Feb 8

6:00 am - 7:45 pm

ADL

ORD

30h 15m3 stops

3:35 pm - 10:30 pm

ORD

ADL

38h 25m2 stops

$1,630Air Canada

Wed, Feb 4 - Sun, Feb 8

United Airlines flights from Adelaide to Illinois

Our best United Airlines deals on Adelaide to Illinois flight tickets

United Airlines

Feb 2

ADL2:55 pmAdelaide

32h 05m

2 stops

ORD6:30 amChicago O'Hare Intl

Feb 9

ORD6:29 pmChicago O'Hare Intl

22h 31m

1 stop

ADL9:30 amAdelaide

$1,011

Find similar

United Airlines

Jan 13

ADL7:15 amAdelaide

29h 40m

2 stops

ORD8:25 pmChicago O'Hare Intl

Jan 27

ORD4:16 pmChicago O'Hare Intl

29h 24m

2 stops

ADL2:10 pmAdelaide

$1,237

Find similar

United Airlines

Feb 4

ADL2:55 pmAdelaide

21h 40m

1 stop

ORD8:05 pmChicago O'Hare Intl

Feb 8

ORD9:05 pmChicago O'Hare Intl

43h 55m

2 stops

ADL9:30 amAdelaide

$1,667

Find similar

Air Canada flights from Adelaide to Illinois

Our best Air Canada deals on Adelaide to Illinois flight tickets

Air Canada

Mar 21

ADL6:10 amAdelaide

24h 01m

2 stops

ORD2:41 pmChicago O'Hare Intl

Apr 22

ORD2:00 pmChicago O'Hare Intl

31h 20m

3 stops

ADL11:50 amAdelaide

$1,519

Find similar

Air Canada

Feb 4

ADL6:10 amAdelaide

25h 01m

2 stops

ORD2:41 pmChicago O'Hare Intl

Feb 8

ORD3:35 pmChicago O'Hare Intl

38h 25m

2 stops

ADL10:30 pmAdelaide

$1,606

Find similar

Air Canada

Feb 4

ADL6:10 amAdelaide

25h 01m

2 stops

ORD2:41 pmChicago O'Hare Intl

Feb 8

ORD3:35 pmChicago O'Hare Intl

38h 25m

2 stops

ADL10:30 pmAdelaide

$1,607

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 2/2

2:55 pm-6:30 am

2 stops32h 05m

Chicago O'Hare Intl

Mon 2/9

6:29 pm-9:30 am

1 stop22h 31m

$1,011

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 3/21

4:10 pm-11:54 pm

2 stops23h 14m

Chicago O'Hare Intl

Wed 4/22

5:30 pm-9:25 am

2 stops25h 25m

$1,081

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 1/13

7:15 am-8:25 pm

2 stops29h 40m

Chicago O'Hare Intl

Tue 1/27

4:16 pm-2:10 pm

2 stops29h 24m

$1,237

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 3/21

1:55 pm-6:19 am

1 stop31h 54m

Chicago O'Hare Intl

Wed 4/22

6:20 pm-10:55 am

2 stops26h 05m

$1,260

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 3/21

6:10 am-2:41 pm

2 stops24h 01m

Chicago O'Hare Intl

Wed 4/22

2:00 pm-11:50 am

3 stops31h 20m

$1,519

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 2/2

12:00 pm-8:39 pm

2 stops25h 09m

Chicago O'Hare Intl

Mon 2/9

1:15 pm-10:55 am

3 stops29h 10m

$1,583

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 2/4

6:10 am-2:41 pm

2 stops25h 01m

Chicago O'Hare Intl

Sun 2/8

3:35 pm-10:30 pm

2 stops38h 25m

$1,606

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 2/4

6:10 am-2:41 pm

2 stops25h 01m

Chicago O'Hare Intl

Sun 2/8

3:35 pm-10:30 pm

2 stops38h 25m

$1,607

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 2/4

6:00 am-9:13 am

3 stops43h 43m

Chicago O'Hare Intl

Sun 2/8

3:35 pm-10:30 pm

2 stops38h 25m

$1,629

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 2/4

6:00 am-7:45 pm

3 stops30h 15m

Chicago O'Hare Intl

Sun 2/8

3:35 pm-10:30 pm

2 stops38h 25m

$1,630

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Adelaide to Illinois

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 Illinois?

The cheapest month to fly to Illinois from Adelaide is in March. Flight prices, which tend to average around $947, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $991.

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

The cheapest day to depart from Adelaide to Illinois is on a Thursday when prices can be found for as low as $1,289. Flights from Adelaide to Illinois on a Sunday will generally be more expensive and average around $1,868. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheap Adelaide to Illinois flight deals and tips

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

Fastest flight time	22h 50m
Direct flights	None

The fastest flight from Adelaide to Illinois takes 22h 50m

There are no direct flights from Adelaide to Illinois. There are no popular flight routes from Adelaide to Illinois.

Search flight deals

When did momondo last update prices for flights from Adelaide Airport to Illinois?
Prices for flights from Adelaide Airport to Illinois are refreshed on a daily basis.
How old do you have to be to fly from Adelaide Airport to Illinois?
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 Adelaide Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

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 Illinois from Adelaide.

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

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

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

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

Yes. momondo can track prices for Adelaide to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.