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

Qatar Airways is the most popular carrier 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 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.

$1,841 Cheap Flights from Adelaide to Illinois in 2026

Find the cheapest flights from Adelaide to Illinois

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

06:05 - 09:20ADL Adelaide-ORD Chicago O'Hare Intl

41h 45m3 stops Melbourne Los Angeles Atlanta Hartsfield-Jackson

06:30 - 17:10ORD Chicago O'Hare Intl-ADL Adelaide

44h 10m3 stops Denver Intl Los Angeles Melbourne

$1,841Multiple Airlines

Wed, 16 Sep - Wed, 23 Sep

10:10 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

42h 15m2 stops Melbourne Hong Kong Intl

16:15 - 17:45ORD Chicago O'Hare Intl-ADL Adelaide

34h 00m2 stops Hong Kong Intl Melbourne

$2,297Cathay Pacific

Tue, 29 Sep - Tue, 6 Oct

14:25 - 14:20ADL Adelaide-ORD Chicago O'Hare Intl

62h 25m2 stops Sydney Kingsford Smith Hong Kong Intl

16:15 - 17:45ORD Chicago O'Hare Intl-ADL Adelaide

35h 00m2 stops Hong Kong Intl Melbourne

$2,298Cathay Pacific

Sun, 13 Sep - Sat, 19 Sep

07:50 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

45h 35m2 stops Melbourne Hong Kong Intl

15:35 - 10:30ORD Chicago O'Hare Intl-ADL Adelaide

27h 25m1 stop Hong Kong Intl

$2,322Cathay Pacific

Sun, 4 Oct - Mon, 15 Mar

22:00 - 19:01ADL Adelaide-ORD Chicago O'Hare Intl

35h 31m2 stops Doha Hamad Intl Boston Logan Intl

19:20 - 16:00ORD Chicago O'Hare Intl-ADL Adelaide

29h 10m1 stop Doha Hamad Intl

$2,338Qatar Airways

Tue, 29 Sep - Tue, 6 Oct

06:00 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

47h 25m2 stops Melbourne Hong Kong Intl

14:35 - 10:30ORD Chicago O'Hare Intl-ADL Adelaide

27h 25m1 stop Hong Kong Intl

$2,370Cathay Pacific

Sun, 4 Oct - Fri, 12 Mar

19:45 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

57h 40m2 stops Melbourne Hong Kong Intl

14:35 - 10:30ORD Chicago O'Hare Intl-ADL Adelaide

27h 25m1 stop Hong Kong Intl

$2,370Cathay Pacific

Thu, 8 Oct - Fri, 12 Mar

07:50 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

69h 35m2 stops Melbourne Hong Kong Intl

15:35 - 10:30ORD Chicago O'Hare Intl-ADL Adelaide

27h 25m1 stop Hong Kong Intl

$2,370Cathay Pacific

Thu, 8 Oct - Wed, 17 Mar

07:50 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

69h 35m2 stops Melbourne Hong Kong Intl

15:35 - 10:30ORD Chicago O'Hare Intl-ADL Adelaide

27h 25m1 stop Hong Kong Intl

$2,370Cathay Pacific

Thu, 8 Oct - Mon, 15 Mar

06:00 - 13:55ADL Adelaide-ORD Chicago O'Hare Intl

47h 25m2 stops Melbourne Hong Kong Intl

15:35 - 10:30ORD Chicago O'Hare Intl-ADL Adelaide

27h 25m1 stop Hong Kong Intl

$2,370Cathay Pacific

Sun, 4 Oct - Wed, 17 Mar

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Cathay Pacific flights from Adelaide to Illinois

Our best Cathay Pacific deals on Adelaide to Illinois flight tickets

Cathay Pacific

29 Sept

ADL10:10Adelaide

42h 15m

2 stops

ORD13:55Chicago O'Hare Intl

6 Oct

ORD16:15Chicago O'Hare Intl

34h 00m

2 stops

ADL17:45Adelaide

$2,297

Cathay Pacific

13 Sept

ADL14:25Adelaide

62h 25m

2 stops

ORD14:20Chicago O'Hare Intl

19 Sept

ORD16:15Chicago O'Hare Intl

35h 00m

2 stops

ADL17:45Adelaide

$2,298

Cathay Pacific

4 Oct

ADL07:50Adelaide

45h 35m

2 stops

ORD13:55Chicago O'Hare Intl

15 Mar

ORD15:35Chicago O'Hare Intl

27h 25m

1 stop

ADL10:30Adelaide

$2,322

Qatar Airways flights from Adelaide to Illinois

Our best Qatar Airways deals on Adelaide to Illinois flight tickets

Qatar Airways

29 Sept

ADL22:00Adelaide

35h 31m

2 stops

ORD19:01Chicago O'Hare Intl

6 Oct

ORD19:20Chicago O'Hare Intl

29h 10m

1 stop

ADL16:00Adelaide

$2,338

Qatar Airways

13 Sept

ADL22:00Adelaide

35h 31m

2 stops

ORD19:01Chicago O'Hare Intl

19 Sept

ORD19:20Chicago O'Hare Intl

29h 10m

1 stop

ADL15:00Adelaide

$2,545

Qatar Airways

16 Sept

ADL22:00Adelaide

31h 35m

1 stop

ORD15:05Chicago O'Hare Intl

23 Sept

ORD15:50Chicago O'Hare Intl

32h 40m

2 stops

ADL15:00Adelaide

$2,547

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Wed 16/9

06:05-09:20

3 stops41h 45m

Chicago O'Hare Intl

Wed 23/9

06:30-17:10

3 stops44h 10m

$1,841

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Tue 29/9

10:10-13:55

2 stops42h 15m

Chicago O'Hare Intl

Tue 6/10

16:15-17:45

2 stops34h 00m

$2,297

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 13/9

14:25-14:20

2 stops62h 25m

Chicago O'Hare Intl

Sat 19/9

16:15-17:45

2 stops35h 00m

$2,298

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 4/10

07:50-13:55

2 stops45h 35m

Chicago O'Hare Intl

Mon 15/3

15:35-10:30

1 stop27h 25m

$2,322

Fastest return journey

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Tue 29/9

22:00-19:01

2 stops35h 31m

Chicago O'Hare Intl

Tue 6/10

19:20-16:00

1 stop29h 10m

$2,338

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 4/10

06:00-13:55

2 stops47h 25m

Chicago O'Hare Intl

Fri 12/3

14:35-10:30

1 stop27h 25m

$2,370

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 8/10

19:45-13:55

2 stops57h 40m

Chicago O'Hare Intl

Fri 12/3

14:35-10:30

1 stop27h 25m

$2,370

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 8/10

07:50-13:55

2 stops69h 35m

Chicago O'Hare Intl

Wed 17/3

15:35-10:30

1 stop27h 25m

$2,370

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 8/10

07:50-13:55

2 stops69h 35m

Chicago O'Hare Intl

Mon 15/3

15:35-10:30

1 stop27h 25m

$2,370

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Sun 4/10

06:00-13:55

2 stops47h 25m

Chicago O'Hare Intl

Wed 17/3

15:35-10:30

1 stop27h 25m

$2,370

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 January is your next best option. Flight prices from Adelaide to Illinois during January average around $1,404.

Cheap Adelaide to Illinois flight deals and tips

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

Best price found	$5,383
Fastest flight time	26h 10m
Direct flights	None

The best one-way flight to Illinois from Adelaide in the past 72 hours is $5,383. The best return flight deal from Adelaide to Illinois found on momondo in the last 72 hours is $1,841.

The fastest flight from Adelaide to Illinois takes 26h 10m

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 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.

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.