What is the cheapest airline that flies from Illinois to Adelaide?

Fiji Airways, United Airlines, and Air Canada are the most popular carriers operating 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?

As of August 2025, there is 1 operator available to choose from 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.

$816 Cheap Flights from Illinois to Adelaide in 2025

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Find the cheapest flights from Illinois to Adelaide

Round-trip

One-way

Cheap round-trip flights

3:40 pm - 4:20 pmORD-ADL

32h 10m2 stops

6:10 am - 2:41 pmADL-ORD

25h 01m2 stops

$1,133Air Canada

Find Deal

Tue, Nov 4 - Fri, Nov 14

1:10 pm - 4:20 pmORD-ADL

34h 40m2 stops

6:00 am - 7:30 pmADL-ORD

30h 00m3 stops

$1,144Air Canada

Find Deal

Tue, Nov 4 - Fri, Nov 14

3:45 pm - 11:50 amORD-ADL

29h 35m2 stops

7:00 pm - 3:00 pmADL-ORD

34h 30m2 stops

$1,350Air Canada

Find Deal

Mon, Sep 8 - Mon, Sep 15

2:10 pm - 10:55 amORD-ADL

28h 15m2 stops

7:50 am - 6:20 pmADL-ORD

27h 00m2 stops

$1,438Air New Zealand

Find Deal

Tue, Jan 20 - Tue, Jan 27

2:10 pm - 10:55 amORD-ADL

28h 15m2 stops

6:05 am - 2:37 pmADL-ORD

25h 02m2 stops

$1,454Air New Zealand

Find Deal

Tue, Jan 20 - Tue, Jan 27

3:45 pm - 11:20 amORD-ADL

29h 05m2 stops

8:00 pm - 3:00 pmADL-ORD

33h 30m2 stops

$1,552

Find Deal

Tue, Sep 23 - Tue, Sep 30

3:45 pm - 11:20 amORD-ADL

29h 05m2 stops

8:00 pm - 10:07 pmADL-ORD

40h 37m3 stops

$1,559

Find Deal

Tue, Sep 23 - Tue, Sep 30

7:20 pm - 3:50 pmORD-ADL

30h 00m1 stop

6:20 pm - 2:50 pmADL-ORD

35h 00m2 stops

$1,678Qatar Airways

Find Deal

Sat, Sep 6 - Tue, Sep 16

7:20 pm - 3:50 pmORD-ADL

30h 00m1 stop

6:20 pm - 2:50 pmADL-ORD

35h 00m2 stops

$1,753Qatar Airways

Find Deal

Sat, Sep 6 - Tue, Sep 16

2:40 pm - 3:45 pmORD-ADL

32h 35m2 stops

12:00 pm - 1:00 pmADL-ORD

41h 30m1 stop

$1,992Cathay Pacific

Find Deal

Tue, Nov 4 - Fri, Nov 14

Air Canada flights from Illinois to Adelaide

Our best Air Canada deals on Illinois to Adelaide flight tickets

Air Canada

Nov 4

ORD3:40 pmChicago O'Hare Intl

32h 10m

2 stops

ADL4:20 pmAdelaide

Nov 14

ADL6:10 amAdelaide

25h 01m

2 stops

ORD2:41 pmChicago O'Hare Intl

$1,133

Find similar

Air Canada

Nov 4

ORD1:10 pmChicago O'Hare Intl

34h 40m

2 stops

ADL4:20 pmAdelaide

Nov 14

ADL6:00 amAdelaide

30h 00m

3 stops

ORD7:30 pmChicago O'Hare Intl

$1,144

Find similar

Air Canada

Sep 8

ORD3:45 pmChicago O'Hare Intl

29h 35m

2 stops

ADL11:50 amAdelaide

Sep 15

ADL7:00 pmAdelaide

34h 30m

2 stops

ORD3:00 pmChicago O'Hare Intl

$1,350

Find similar

Air New Zealand flights from Illinois to Adelaide

Our best Air New Zealand deals on Illinois to Adelaide flight tickets

Air New Zealand

Jan 20

ORD2:10 pmChicago O'Hare Intl

28h 15m

2 stops

ADL10:55 amAdelaide

Jan 27

ADL7:50 amAdelaide

27h 00m

2 stops

ORD6:20 pmChicago O'Hare Intl

$1,438

Find similar

Air New Zealand

Jan 20

ORD2:10 pmChicago O'Hare Intl

28h 15m

2 stops

ADL10:55 amAdelaide

Jan 27

ADL6:05 amAdelaide

25h 02m

2 stops

ORD2:37 pmChicago O'Hare Intl

$1,454

Find similar

Air New Zealand

Dec 20

ORD6:32 pmChicago O'Hare Intl

31h 43m

2 stops

ADL6:45 pmAdelaide

Jan 2

ADL11:55 amAdelaide

26h 01m

2 stops

ORD9:26 pmChicago O'Hare Intl

$3,075

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/4

3:40 pm-4:20 pm

2 stops32h 10m

Adelaide

Fri 11/14

6:10 am-2:41 pm

2 stops25h 01m

$1,133

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/4

1:10 pm-4:20 pm

2 stops34h 40m

Adelaide

Fri 11/14

6:00 am-7:30 pm

3 stops30h 00m

$1,144

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 9/8

3:45 pm-11:50 am

2 stops29h 35m

Adelaide

Mon 9/15

7:00 pm-3:00 pm

2 stops34h 30m

$1,350

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 1/20

2:10 pm-10:55 am

2 stops28h 15m

Adelaide

Tue 1/27

7:50 am-6:20 pm

2 stops27h 00m

$1,438

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 1/20

2:10 pm-10:55 am

2 stops28h 15m

Adelaide

Tue 1/27

6:05 am-2:37 pm

2 stops25h 02m

$1,454

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 9/23

3:45 pm-11:20 am

2 stops29h 05m

Adelaide

Tue 9/30

8:00 pm-3:00 pm

2 stops33h 30m

$1,552

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 9/23

3:45 pm-11:20 am

2 stops29h 05m

Adelaide

Tue 9/30

8:00 pm-10:07 pm

3 stops40h 37m

$1,559

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 9/6

7:20 pm-3:50 pm

1 stop30h 00m

Adelaide

Tue 9/16

6:20 pm-2:50 pm

2 stops35h 00m

$1,678

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 9/6

7:20 pm-3:50 pm

1 stop30h 00m

Adelaide

Tue 9/16

6:20 pm-2:50 pm

2 stops35h 00m

$1,753

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 11/4

2:40 pm-3:45 pm

2 stops32h 35m

Adelaide

Fri 11/14

12:00 pm-1:00 pm

1 stop41h 30m

$1,992

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

Prices

Airlines

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

The cheapest day to depart on your flight to Adelaide is on a Tuesday when prices can be found for as low as $1,440. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Saturday, with ticket prices averaging around $2,298.

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

According to our data, the cheapest time of day to fly to Adelaide is at noon. momondo users have found flights departing from Illinois to Adelaide at noon for as low as $1,201. 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 Adelaide are more costly in the morning, with an average ticket price of $2,194. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Illinois to Adelaide flight deals and tips

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

Best Price Found	$816
Fastest flight time	24h 49m
Direct flights	None
Airports in Adelaide	1 airport

The best one-way flight to Adelaide from Illinois in the past 72 hours is $816. The best round-trip flight deal from Illinois to Adelaide found on momondo in the last 72 hours is $1,133.

The fastest flight from Illinois to Adelaide takes 24h 49m

There are no direct flights from Illinois to Adelaide. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Adelaide Airport.

There is 1 airport near Adelaide: Adelaide (ADL)

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?
As of August 2025, there is 1 operator available to choose from 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 Airways	PriceFrom $987	Free Cancellation	Rating 7.5 893 reviews		Search Qantas Airways flights

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.