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

Air New Zealand and Qatar Airways 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 May 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.

$1,327 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

Cheap return flights

Enter your travel dates to find the best prices.

06:00 - 15:49

ADL

ORD

24h 19m

2 stops

20:55 - 11:15

ORD

ADL

47h 50m

2 stops

$1,794Qantas Airways

Mon, 8 Jun - Mon, 22 Jun

18:35 - 18:20

ADL

ORD

39h 15m

2 stops

18:33 - 08:50

ORD

ADL

45h 47m

2 stops

$1,816Multiple Airlines

Mon, 19 Oct - Mon, 16 Nov

20:00 - 19:48

ADL

ORD

39h 18m

3 stops

15:40 - 18:10

ORD

ADL

34h 00m

2 stops

$2,346Air Canada

Mon, 19 Oct - Mon, 16 Nov

20:00 - 19:48

ADL

ORD

39h 18m

3 stops

14:00 - 13:55

ORD

ADL

31h 25m

3 stops

$2,552Air Canada

Mon, 19 Oct - Mon, 16 Nov

19:45 - 13:55

ADL

ORD

33h 40m

2 stops

14:35 - 10:30

ORD

ADL

27h 25m

1 stop

$2,735Cathay Pacific

Mon, 19 Oct - Mon, 16 Nov

06:05 - 18:35

ADL

ORD

27h 00m

2 stops

16:30 - 11:05

ORD

ADL

28h 05m

2 stops

$2,811Multiple Airlines

Thu, 9 Jul - Tue, 21 Jul

20:00 - 05:46

ADL

ORD

48h 16m

2 stops

21:35 - 11:05

ORD

ADL

47h 00m

2 stops

$2,860United Airlines

Sun, 28 Jun - Sun, 5 Jul

11:50 - 00:28

ADL

ORD

27h 08m

3 stops

17:43 - 09:25

ORD

ADL

25h 12m

2 stops

$2,899Multiple Airlines

Tue, 1 Sep - Thu, 1 Oct

06:05 - 22:59

ADL

ORD

31h 24m

2 stops

21:48 - 11:05

ORD

ADL

46h 47m

2 stops

$2,913United Airlines

Thu, 11 Jun - Wed, 17 Jun

13:25 - 23:59

ADL

ORD

25h 04m

2 stops

17:43 - 09:25

ORD

ADL

25h 12m

2 stops

$2,920Multiple Airlines

Tue, 25 Aug - Thu, 1 Oct

Air Canada flights from Adelaide to Illinois

Our best Air Canada deals on Adelaide to Illinois flight tickets

Air Canada

19 Oct

ADL20:00Adelaide

39h 18m

3 stops

ORD19:48Chicago O'Hare Intl

16 Nov

ORD15:40Chicago O'Hare Intl

34h 00m

2 stops

ADL18:10Adelaide

$2,346

Air Canada

19 Oct

ADL20:00Adelaide

39h 18m

3 stops

ORD19:48Chicago O'Hare Intl

16 Nov

ORD14:00Chicago O'Hare Intl

31h 25m

3 stops

ADL13:55Adelaide

$2,552

Air Canada

9 July

ADL20:00Adelaide

40h 35m

3 stops

ORD22:05Chicago O'Hare Intl

21 July

ORD14:15Chicago O'Hare Intl

31h 05m

3 stops

ADL11:50Adelaide

$3,819

Qatar Airways flights from Adelaide to Illinois

Our best Qatar Airways deals on Adelaide to Illinois flight tickets

Qatar Airways

24 Aug

ADL22:00Adelaide

31h 35m

1 stop

ORD15:05Chicago O'Hare Intl

1 Oct

ORD19:20Chicago O'Hare Intl

30h 00m

1 stop

ADL15:50Adelaide

$3,318

Qatar Airways

1 Sept

ADL22:00Adelaide

31h 35m

1 stop

ORD15:05Chicago O'Hare Intl

1 Oct

ORD19:20Chicago O'Hare Intl

30h 00m

1 stop

ADL15:50Adelaide

$3,359

Qatar Airways

19 Oct

ADL22:00Adelaide

32h 35m

1 stop

ORD15:05Chicago O'Hare Intl

16 Nov

ORD18:50Chicago O'Hare Intl

29h 45m

1 stop

ADL17:05Adelaide

$3,387

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 8/6

06:00-15:49

2 stops24h 19m

Chicago O'Hare Intl

Mon 22/6

20:55-11:15

2 stops47h 50m

$1,794

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 19/10

18:35-18:20

2 stops39h 15m

Chicago O'Hare Intl

Mon 16/11

18:33-08:50

2 stops45h 47m

$1,816

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 19/10

20:00-19:48

3 stops39h 18m

Chicago O'Hare Intl

Mon 16/11

15:40-18:10

2 stops34h 00m

$2,346

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 19/10

20:00-19:48

3 stops39h 18m

Chicago O'Hare Intl

Mon 16/11

14:00-13:55

3 stops31h 25m

$2,552

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 19/10

19:45-13:55

2 stops33h 40m

Chicago O'Hare Intl

Mon 16/11

14:35-10:30

1 stop27h 25m

$2,735

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 9/7

06:05-18:35

2 stops27h 00m

Chicago O'Hare Intl

Tue 21/7

16:30-11:05

2 stops28h 05m

$2,811

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 28/6

20:00-05:46

2 stops48h 16m

Chicago O'Hare Intl

Sun 5/7

21:35-11:05

2 stops47h 00m

$2,860

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 1/9

11:50-00:28

3 stops27h 08m

Chicago O'Hare Intl

Thu 1/10

17:43-09:25

2 stops25h 12m

$2,899

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 11/6

06:05-22:59

2 stops31h 24m

Chicago O'Hare Intl

Wed 17/6

21:48-11:05

2 stops46h 47m

$2,913

Fastest return journey

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 25/8

13:25-23:59

2 stops25h 04m

Chicago O'Hare Intl

Thu 1/10

17:43-09:25

2 stops25h 12m

$2,920

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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

What is the cheapest month to fly to Illinois?

In general, February 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 $0. If you’re not able to fly to Illinois in February, then March is your next best option. Flight prices from Adelaide to Illinois during March average around $1,257.

Can stopping save me money on Adelaide to Illinois flights?

You could potentially save up to 21% 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	25h 04m
Direct flights	None

The fastest flight from Adelaide to Illinois takes 25h 04m

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

Search flight deals

Frequently asked questions about flying 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 May 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 $1,354	Free cancellation	Rating 7.5 1,037 reviews		Search Qantas Airways flights
Air Canada	PriceFrom $1,391	Free cancellation	Rating 7.1 11,062 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.