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

Prices for flights from Adelaide Airport to Illinois were last updated today.

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

As of December 2025, there are 2 operators available to choose from for flights from Adelaide Airport to Illinois.

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 stopovers 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 travel and health documents required for your trip to Illinois 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 licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$1,528 Cheap Flights from Adelaide to Illinois in 2025/26

1 adult

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Find the cheapest flights from Adelaide to Illinois

Round-trip

Cheap return flights

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14:55 - 06:30

ADL

ORD

32h 05m2 stops

18:29 - 09:30

ORD

ADL

22h 31m1 stop

$1,528United Airlines

Mon, 2 Feb - Mon, 9 Feb

16:10 - 23:54

ADL

ORD

23h 14m2 stops

17:30 - 09:25

ORD

ADL

25h 25m2 stops

$1,634Multiple Airlines

Sat, 21 Mar - Wed, 22 Apr

13:55 - 06:19

ADL

ORD

31h 54m1 stop

18:20 - 10:55

ORD

ADL

26h 05m2 stops

$1,905Virgin Australia

Sat, 21 Mar - Wed, 22 Apr

06:10 - 14:41

ADL

ORD

24h 01m2 stops

14:00 - 11:50

ORD

ADL

31h 20m3 stops

$2,296Air Canada

Sat, 21 Mar - Wed, 22 Apr

12:00 - 20:39

ADL

ORD

25h 09m2 stops

13:15 - 10:55

ORD

ADL

29h 10m3 stops

$2,393Multiple Airlines

Mon, 2 Feb - Mon, 9 Feb

06:10 - 14:41

ADL

ORD

25h 01m2 stops

15:35 - 22:30

ORD

ADL

38h 25m2 stops

$2,428Air Canada

Wed, 4 Feb - Sun, 8 Feb

06:00 - 09:13

ADL

ORD

43h 43m3 stops

15:35 - 22:30

ORD

ADL

38h 25m2 stops

$2,463Air Canada

Wed, 4 Feb - Sun, 8 Feb

06:00 - 09:13

ADL

ORD

43h 43m3 stops

15:35 - 22:30

ORD

ADL

38h 25m2 stops

$2,464Air Canada

Wed, 4 Feb - Sun, 8 Feb

14:55 - 20:05

ADL

ORD

21h 40m1 stop

21:05 - 09:30

ORD

ADL

43h 55m2 stops

$2,520United Airlines

Wed, 4 Feb - Sun, 8 Feb

14:55 - 20:05

ADL

ORD

21h 40m1 stop

21:05 - 09:30

ORD

ADL

43h 55m2 stops

$2,522United Airlines

Wed, 4 Feb - Sun, 8 Feb

United Airlines flights from Adelaide to Illinois

Our best United Airlines deals on Adelaide to Illinois flight tickets

United Airlines

2 Feb

ADL14:55Adelaide

32h 05m

2 stops

ORD06:30Chicago O'Hare Intl

9 Feb

ORD18:29Chicago O'Hare Intl

22h 31m

1 stop

ADL09:30Adelaide

$1,528

Find similar

United Airlines

4 Feb

ADL14:55Adelaide

21h 40m

1 stop

ORD20:05Chicago O'Hare Intl

8 Feb

ORD21:05Chicago O'Hare Intl

43h 55m

2 stops

ADL09:30Adelaide

$2,520

Find similar

United Airlines

4 Feb

ADL14:55Adelaide

21h 40m

1 stop

ORD20:05Chicago O'Hare Intl

8 Feb

ORD21:05Chicago O'Hare Intl

43h 55m

2 stops

ADL09:30Adelaide

$2,522

Find similar

Air Canada flights from Adelaide to Illinois

Our best Air Canada deals on Adelaide to Illinois flight tickets

Air Canada

21 Mar

ADL06:10Adelaide

24h 01m

2 stops

ORD14:41Chicago O'Hare Intl

22 Apr

ORD14:00Chicago O'Hare Intl

31h 20m

3 stops

ADL11:50Adelaide

$2,296

Find similar

Air Canada

4 Feb

ADL06:10Adelaide

25h 01m

2 stops

ORD14:41Chicago O'Hare Intl

8 Feb

ORD15:35Chicago O'Hare Intl

38h 25m

2 stops

ADL22:30Adelaide

$2,428

Find similar

Air Canada

4 Feb

ADL06:00Adelaide

43h 43m

3 stops

ORD09:13Chicago O'Hare Intl

8 Feb

ORD15:35Chicago O'Hare Intl

38h 25m

2 stops

ADL22:30Adelaide

$2,463

Find similar

Fly from

Fly to

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 2/2

14:55-06:30

2 stops32h 05m

Chicago O'Hare Intl

Mon 9/2

18:29-09:30

1 stop22h 31m

$1,528

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 21/3

16:10-23:54

2 stops23h 14m

Chicago O'Hare Intl

Wed 22/4

17:30-09:25

2 stops25h 25m

$1,634

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 21/3

13:55-06:19

1 stop31h 54m

Chicago O'Hare Intl

Wed 22/4

18:20-10:55

2 stops26h 05m

$1,905

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sat 21/3

06:10-14:41

2 stops24h 01m

Chicago O'Hare Intl

Wed 22/4

14:00-11:50

3 stops31h 20m

$2,296

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 2/2

12:00-20:39

2 stops25h 09m

Chicago O'Hare Intl

Mon 9/2

13:15-10:55

3 stops29h 10m

$2,393

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/2

06:10-14:41

2 stops25h 01m

Chicago O'Hare Intl

Sun 8/2

15:35-22:30

2 stops38h 25m

$2,428

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/2

06:00-09:13

3 stops43h 43m

Chicago O'Hare Intl

Sun 8/2

15:35-22:30

2 stops38h 25m

$2,463

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/2

06:00-09:13

3 stops43h 43m

Chicago O'Hare Intl

Sun 8/2

15:35-22:30

2 stops38h 25m

$2,464

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/2

14:55-20:05

1 stop21h 40m

Chicago O'Hare Intl

Sun 8/2

21:05-09:30

2 stops43h 55m

$2,520

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/2

14:55-20:05

1 stop21h 40m

Chicago O'Hare Intl

Sun 8/2

21:05-09:30

2 stops43h 55m

$2,522

Flights are sorted by cheapest return 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?

In general, March is the cheapest month to fly from Adelaide to Illinois. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,432. If you’re not able to fly to Illinois in March, then February is your next best option. Flight prices from Adelaide to Illinois during February average around $1,498.

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

On average, the least expensive day to fly to Illinois from Adelaide is on a Monday. momondo users have found tickets for Monday departures for as low as $2,074. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $2,269. These prices are subject to change though, so be sure to set up a Price Alert for flights to Illinois.

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

According to our data, the cheapest time of day to fly to Illinois is in the afternoon. momondo users have found flights departing from Adelaide to Illinois in the afternoon for as low as $2,206. 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 Illinois are more costly in the evening, with an average ticket price of $2,414. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Adelaide to Illinois flights?

You could potentially save up to 58% on your flight if you consider stops on a Adelaide to Illinois flight.

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 were last updated today.
How many operators does momondo search for flights from Adelaide Airport to Illinois?
As of December 2025, there are 2 operators available to choose from for flights from Adelaide Airport to Illinois.
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 stopovers 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 travel and health documents required for your trip to Illinois 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 licence, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Adelaide to Illinois

Compare and see reviews for airlines that fly from Adelaide to Illinois with momondo

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $1,183	Free cancellation	Rating 7.5 948 reviews		Search Qantas Airways flights
Air Canada	PriceFrom $1,504	Free cancellation	Rating 7.1 10,550 reviews		Search Air Canada flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Adelaide to Illinois for you.

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 you have performed a search for Adelaide to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from Adelaide to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.