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.

$1,148 Cheap Flights from Adelaide to Illinois in 2025/26

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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.

4:10 pm - 11:07 pmADL-ORD

23h 27m2 stops

6:17 pm - 1:40 pmORD-ADL

26h 53m2 stops

$1,148Multiple Airlines

Find Deal

sáb., nov. 15 - lun., dic. 15

6:55 pm - 7:53 pmADL-ORD

40h 28m2 stops

1:00 pm - 4:20 pmORD-ADL

35h 50m2 stops

$1,256Air Canada

Find Deal

dom., mar. 8 - mié., mar. 11

7:50 am - 12:55 pmADL-ORD

45h 35m2 stops

3:35 pm - 10:30 amORD-ADL

27h 25m1 stop

$1,470Cathay Pacific

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dom., mar. 8 - mié., mar. 11

7:50 am - 12:55 pmADL-ORD

45h 35m2 stops

3:35 pm - 10:30 amORD-ADL

27h 25m1 stop

$1,471Cathay Pacific

Find Deal

dom., mar. 8 - mié., mar. 11

6:00 am - 2:25 pmADL-ORD

24h 55m2 stops

6:35 pm - 9:30 amORD-ADL

22h 25m1 stop

$1,539Virgin Australia

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sáb., nov. 15 - lun., dic. 15

2:55 pm - 11:59 pmADL-ORD

25h 34m2 stops

2:40 pm - 9:30 amORD-ADL

26h 20m1 stop

$1,717United Airlines

Find Deal

mié., dic. 17 - sáb., ene. 3

12:35 pm - 11:59 pmADL-ORD

27h 54m2 stops

4:34 pm - 3:25 pmORD-ADL

30h 21m2 stops

$1,727Qantas Airways

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mié., dic. 17 - mar., dic. 30

2:55 pm - 9:19 pmADL-ORD

22h 54m2 stops

10:10 pm - 9:30 amORD-ADL

42h 50m1 stop

$1,766United Airlines

Find Deal

sáb., dic. 20 - vie., ene. 2

6:25 am - 9:09 pmADL-ORD

31h 14m2 stops

4:34 pm - 3:25 pmORD-ADL

30h 21m2 stops

$1,825Qantas Airways

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lun., dic. 22 - mar., dic. 30

9:50 pm - 10:59 pmADL-ORD

41h 39m2 stops

6:32 pm - 5:10 pmORD-ADL

30h 08m2 stops

$1,828Virgin Australia

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vie., dic. 26 - dom., ene. 4

Air Canada flights from Adelaide to Illinois

Our best Air Canada deals on Adelaide to Illinois flight tickets

Air Canada

Mar 8

ADL6:55 pmAdelaide

40h 28m

2 stops

ORD7:53 pmChicago O'Hare Intl

Mar 11

ORD1:00 pmChicago O'Hare Intl

35h 50m

2 stops

ADL4:20 pmAdelaide

$1,256

Find similar

Air Canada

Mar 8

ADL6:00 amAdelaide

48h 40m

3 stops

ORD2:10 pmChicago O'Hare Intl

Mar 11

ORD1:00 pmChicago O'Hare Intl

35h 50m

2 stops

ADL4:20 pmAdelaide

$1,476

Find similar

Air Canada

Nov 15

ADL6:55 pmAdelaide

36h 16m

2 stops

ORD2:41 pmChicago O'Hare Intl

Dec 15

ORD2:00 pmChicago O'Hare Intl

31h 25m

3 stops

ADL1:55 pmAdelaide

$1,973

Find similar

United Airlines flights from Adelaide to Illinois

Our best United Airlines deals on Adelaide to Illinois flight tickets

United Airlines

Dec 17

ADL2:55 pmAdelaide

25h 34m

2 stops

ORD11:59 pmChicago O'Hare Intl

Jan 3

ORD2:40 pmChicago O'Hare Intl

26h 20m

1 stop

ADL9:30 amAdelaide

$1,717

Find similar

United Airlines

Dec 20

ADL2:55 pmAdelaide

22h 54m

2 stops

ORD9:19 pmChicago O'Hare Intl

Jan 2

ORD10:10 pmChicago O'Hare Intl

42h 50m

1 stop

ADL9:30 amAdelaide

$1,766

Find similar

United Airlines

Dec 17

ADL2:55 pmAdelaide

21h 19m

1 stop

ORD7:44 pmChicago O'Hare Intl

Jan 5

ORD7:05 amChicago O'Hare Intl

33h 55m

1 stop

ADL9:30 amAdelaide

$1,819

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

sáb. 11/15

4:10 pm-11:07 pm

2 stops23h 27m

Chicago O'Hare Intl

lun. 12/15

6:17 pm-1:40 pm

2 stops26h 53m

$1,148

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

dom. 3/8

6:55 pm-7:53 pm

2 stops40h 28m

Chicago O'Hare Intl

mié. 3/11

1:00 pm-4:20 pm

2 stops35h 50m

$1,256

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

dom. 3/8

7:50 am-12:55 pm

2 stops45h 35m

Chicago O'Hare Intl

mié. 3/11

3:35 pm-10:30 am

1 stop27h 25m

$1,470

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

dom. 3/8

7:50 am-12:55 pm

2 stops45h 35m

Chicago O'Hare Intl

mié. 3/11

3:35 pm-10:30 am

1 stop27h 25m

$1,471

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

sáb. 11/15

6:00 am-2:25 pm

2 stops24h 55m

Chicago O'Hare Intl

lun. 12/15

6:35 pm-9:30 am

1 stop22h 25m

$1,539

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

mié. 12/17

2:55 pm-11:59 pm

2 stops25h 34m

Chicago O'Hare Intl

sáb. 1/3

2:40 pm-9:30 am

1 stop26h 20m

$1,717

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

mié. 12/17

12:35 pm-11:59 pm

2 stops27h 54m

Chicago O'Hare Intl

mar. 12/30

4:34 pm-3:25 pm

2 stops30h 21m

$1,727

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

sáb. 12/20

2:55 pm-9:19 pm

2 stops22h 54m

Chicago O'Hare Intl

vie. 1/2

10:10 pm-9:30 am

1 stop42h 50m

$1,766

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

lun. 12/22

6:25 am-9:09 pm

2 stops31h 14m

Chicago O'Hare Intl

mar. 12/30

4:34 pm-3:25 pm

2 stops30h 21m

$1,825

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

vie. 12/26

9:50 pm-10:59 pm

2 stops41h 39m

Chicago O'Hare Intl

dom. 1/4

6:32 pm-5:10 pm

2 stops30h 08m

$1,828

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 April. Flight prices, which tend to average around $995, 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 April, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,016.

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

Direct flights	None

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.