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

Air New Zealand and Cathay Pacific are the most popular carriers operating from Adelaide to Illinois

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 February 2026, 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.

$1,141 Cheap Flights from Adelaide to Illinois in 2026

1 adult

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Find the cheapest flights from Adelaide to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 23:47

ADL

ORD

31h 27m

2 stops

11:31 - 09:25

ORD

ADL

31h 24m

2 stops

$1,856Qantas Airways

Thu, 26 Mar - Sun, 5 Apr

06:10 - 23:00

ADL

ORD

32h 20m

2 stops

16:00 - 10:55

ORD

ADL

28h 25m

2 stops

$1,870Virgin Australia

Thu, 26 Mar - Sun, 5 Apr

06:10 - 23:00

ADL

ORD

32h 20m

2 stops

18:00 - 10:55

ORD

ADL

26h 25m

2 stops

$1,871Virgin Australia

Thu, 26 Mar - Sun, 5 Apr

06:05 - 21:38

ADL

ORD

30h 03m

2 stops

18:00 - 10:55

ORD

ADL

26h 25m

2 stops

$1,892Virgin Australia

Tue, 14 Apr - Tue, 21 Apr

19:35 - 14:43

ADL

ORD

33h 38m

2 stops

14:00 - 11:50

ORD

ADL

31h 20m

3 stops

$1,973Multiple Airlines

Tue, 14 Apr - Tue, 21 Apr

06:05 - 00:59

ADL

ORD

33h 24m

2 stops

14:40 - 10:05

ORD

ADL

28h 55m

2 stops

$2,006Virgin Australia

Thu, 16 Jul - Fri, 31 Jul

07:50 - 00:45

ADL

ORD

31h 25m

3 stops

17:45 - 10:55

ORD

ADL

26h 40m

2 stops

$2,123Air New Zealand

Thu, 16 Jul - Fri, 31 Jul

07:50 - 00:45

ADL

ORD

31h 25m

3 stops

17:45 - 15:45

ORD

ADL

31h 30m

3 stops

$2,157Air New Zealand

Thu, 16 Jul - Fri, 31 Jul

21:40 - 19:02

ADL

ORD

35h 52m

2 stops

19:20 - 15:50

ORD

ADL

30h 00m

1 stop

$2,573Qatar Airways

Tue, 14 Apr - Tue, 21 Apr

06:10 - 14:41

ADL

ORD

24h 01m

2 stops

14:00 - 11:50

ORD

ADL

31h 20m

3 stops

$2,743Air Canada

Thu, 26 Mar - Sun, 5 Apr

Air New Zealand flights from Adelaide to Illinois

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

Air New Zealand

16 July

ADL07:50Adelaide

31h 25m

3 stops

ORD00:45Chicago O'Hare Intl

31 July

ORD17:45Chicago O'Hare Intl

26h 40m

2 stops

ADL10:55Adelaide

$2,123

Air New Zealand

16 July

ADL07:50Adelaide

31h 25m

3 stops

ORD00:45Chicago O'Hare Intl

31 July

ORD17:45Chicago O'Hare Intl

31h 30m

3 stops

ADL15:45Adelaide

$2,157

Qatar Airways flights from Adelaide to Illinois

Our best Qatar Airways deals on Adelaide to Illinois flight tickets

Qatar Airways

14 Apr

ADL21:40Adelaide

35h 52m

2 stops

ORD19:02Chicago O'Hare Intl

21 Apr

ORD19:20Chicago O'Hare Intl

30h 00m

1 stop

ADL15:50Adelaide

$2,573

Qatar Airways

3 Apr

ADL22:00Adelaide

32h 20m

1 stop

ORD14:50Chicago O'Hare Intl

10 Apr

ORD16:19Chicago O'Hare Intl

33h 01m

2 stops

ADL15:50Adelaide

$2,977

Qatar Airways

14 Apr

ADL21:40Adelaide

31h 55m

1 stop

ORD15:05Chicago O'Hare Intl

21 Apr

ORD19:20Chicago O'Hare Intl

30h 00m

1 stop

ADL15:50Adelaide

$3,713

Fly from

Fly to

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 26/3

07:50-23:47

2 stops31h 27m

Chicago O'Hare Intl

Sun 5/4

11:31-09:25

2 stops31h 24m

$1,856

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 26/3

06:10-23:00

2 stops32h 20m

Chicago O'Hare Intl

Sun 5/4

16:00-10:55

2 stops28h 25m

$1,870

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 26/3

06:10-23:00

2 stops32h 20m

Chicago O'Hare Intl

Sun 5/4

18:00-10:55

2 stops26h 25m

$1,871

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 14/4

06:05-21:38

2 stops30h 03m

Chicago O'Hare Intl

Tue 21/4

18:00-10:55

2 stops26h 25m

$1,892

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 14/4

19:35-14:43

2 stops33h 38m

Chicago O'Hare Intl

Tue 21/4

14:00-11:50

3 stops31h 20m

$1,973

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 16/7

06:05-00:59

2 stops33h 24m

Chicago O'Hare Intl

Fri 31/7

14:40-10:05

2 stops28h 55m

$2,006

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 16/7

07:50-00:45

3 stops31h 25m

Chicago O'Hare Intl

Fri 31/7

17:45-10:55

2 stops26h 40m

$2,123

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 16/7

07:50-00:45

3 stops31h 25m

Chicago O'Hare Intl

Fri 31/7

17:45-15:45

3 stops31h 30m

$2,157

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 14/4

21:40-19:02

2 stops35h 52m

Chicago O'Hare Intl

Tue 21/4

19:20-15:50

1 stop30h 00m

$2,573

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 26/3

06:10-14:41

2 stops24h 01m

Chicago O'Hare Intl

Sun 5/4

14:00-11:50

3 stops31h 20m

$2,743

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted 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

Prices

Airlines

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	27h 06m
Direct flights	None

The fastest flight from Adelaide to Illinois takes 27h 06m

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 February 2026, 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 $1,108	Free cancellation	Rating 7.5 992 reviews		Search Qantas Airways flights
Air Canada	PriceFrom $1,409	Free cancellation	Rating 7.1 10,733 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.