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 October 2026, there is 1 operator 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.

$2,033 Cheap Flights from Adelaide to Illinois in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Adelaide to Illinois

Return

Cheap return flights

Enter your travel dates to find the best prices.

07:50 - 12:30ADL Adelaide-ORD Chicago O'Hare Intl

45h 10m2 stops Melbourne Hong Kong Intl

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

27h 50m1 stop Hong Kong Intl

$2,033Cathay Pacific

Mon, 9 Nov - Mon, 16 Nov

07:50 - 12:30ADL Adelaide-ORD Chicago O'Hare Intl

45h 10m2 stops Melbourne Hong Kong Intl

14:10 - 09:25ORD Chicago O'Hare Intl-ADL Adelaide

50h 45m2 stops Hong Kong Intl Melbourne

$2,040Cathay Pacific

Thu, 5 Nov - Mon, 9 Nov

12:05 - 22:59ADL Adelaide-ORD Chicago O'Hare Intl

27h 24m2 stops Auckland Intl Los Angeles

09:21 - 10:55ORD Chicago O'Hare Intl-ADL Adelaide

33h 04m2 stops Houston George Bush Intcntl Auckland Intl

$2,080Air New Zealand

Mon, 9 Nov - Mon, 16 Nov

07:50 - 12:30ADL Adelaide-ORD Chicago O'Hare Intl

45h 10m2 stops Melbourne Hong Kong Intl

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

27h 50m1 stop Hong Kong Intl

$2,136Cathay Pacific

Thu, 5 Nov - Mon, 9 Nov

07:50 - 12:30ADL Adelaide-ORD Chicago O'Hare Intl

45h 10m2 stops Melbourne Hong Kong Intl

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

27h 50m1 stop Hong Kong Intl

$2,146Cathay Pacific

Thu, 5 Nov - Mon, 9 Nov

06:05 - 12:30ADL Adelaide-ORD Chicago O'Hare Intl

46h 55m2 stops Melbourne Hong Kong Intl

14:10 - 08:10ORD Chicago O'Hare Intl-ADL Adelaide

49h 30m2 stops Hong Kong Intl Sydney Kingsford Smith

$2,169Cathay Pacific

Mon, 9 Nov - Mon, 16 Nov

18:30 - 13:31ADL Adelaide-ORD Chicago O'Hare Intl

35h 31m2 stops Melbourne Los Angeles

21:06 - 14:20ORD Chicago O'Hare Intl-ADL Adelaide

48h 44m2 stops Dallas/Fort Worth Brisbane

$2,193American Airlines

Thu, 5 Nov - Mon, 9 Nov

18:30 - 13:31ADL Adelaide-ORD Chicago O'Hare Intl

35h 31m2 stops Melbourne Los Angeles

21:06 - 14:20ORD Chicago O'Hare Intl-ADL Adelaide

48h 44m2 stops Dallas/Fort Worth Brisbane

$2,196American Airlines

Thu, 5 Nov - Mon, 9 Nov

18:30 - 13:31ADL Adelaide-ORD Chicago O'Hare Intl

35h 31m2 stops Melbourne Los Angeles

21:06 - 14:20ORD Chicago O'Hare Intl-ADL Adelaide

48h 44m2 stops Dallas/Fort Worth Brisbane

$2,197American Airlines

Thu, 5 Nov - Mon, 9 Nov

06:25 - 16:05ADL Adelaide-ORD Chicago O'Hare Intl

26h 10m2 stops Sydney Kingsford Smith Los Angeles

13:44 - 09:25ORD Chicago O'Hare Intl-ADL Adelaide

27h 11m2 stops Dallas/Fort Worth Melbourne

$19,299Qantas Airways

Mon, 16 Nov - Thu, 19 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Cathay Pacific flights from Adelaide to Illinois

Our best Cathay Pacific deals on Adelaide to Illinois flight tickets

Cathay Pacific

9 Nov

ADL07:50Adelaide

45h 10m

2 stops

ORD12:30Chicago O'Hare Intl

16 Nov

ORD14:10Chicago O'Hare Intl

27h 50m

1 stop

ADL10:30Adelaide

$2,033

Cathay Pacific

5 Nov

ADL07:50Adelaide

45h 10m

2 stops

ORD12:30Chicago O'Hare Intl

9 Nov

ORD14:10Chicago O'Hare Intl

50h 45m

2 stops

ADL09:25Adelaide

$2,040

Cathay Pacific

5 Nov

ADL07:50Adelaide

45h 10m

2 stops

ORD12:30Chicago O'Hare Intl

9 Nov

ORD14:10Chicago O'Hare Intl

27h 50m

1 stop

ADL10:30Adelaide

$2,136

American Airlines flights from Adelaide to Illinois

Our best American Airlines deals on Adelaide to Illinois flight tickets

American Airlines

5 Nov

ADL18:30Adelaide

35h 31m

2 stops

ORD13:31Chicago O'Hare Intl

9 Nov

ORD21:06Chicago O'Hare Intl

48h 44m

2 stops

ADL14:20Adelaide

$2,193

American Airlines

5 Nov

ADL18:30Adelaide

35h 31m

2 stops

ORD13:31Chicago O'Hare Intl

9 Nov

ORD21:06Chicago O'Hare Intl

48h 44m

2 stops

ADL14:20Adelaide

$2,196

American Airlines

5 Nov

ADL18:30Adelaide

35h 31m

2 stops

ORD13:31Chicago O'Hare Intl

9 Nov

ORD21:06Chicago O'Hare Intl

48h 44m

2 stops

ADL14:20Adelaide

$2,197

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 9/11

07:50-12:30

2 stops45h 10m

Chicago O'Hare Intl

Mon 16/11

14:10-10:30

1 stop27h 50m

$2,033

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

07:50-12:30

2 stops45h 10m

Chicago O'Hare Intl

Mon 9/11

14:10-09:25

2 stops50h 45m

$2,040

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 9/11

12:05-22:59

2 stops27h 24m

Chicago O'Hare Intl

Mon 16/11

09:21-10:55

2 stops33h 04m

$2,080

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

07:50-12:30

2 stops45h 10m

Chicago O'Hare Intl

Mon 9/11

14:10-10:30

1 stop27h 50m

$2,136

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

07:50-12:30

2 stops45h 10m

Chicago O'Hare Intl

Mon 9/11

14:10-10:30

1 stop27h 50m

$2,146

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 9/11

06:05-12:30

2 stops46h 55m

Chicago O'Hare Intl

Mon 16/11

14:10-08:10

2 stops49h 30m

$2,169

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

18:30-13:31

2 stops35h 31m

Chicago O'Hare Intl

Mon 9/11

21:06-14:20

2 stops48h 44m

$2,193

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

18:30-13:31

2 stops35h 31m

Chicago O'Hare Intl

Mon 9/11

21:06-14:20

2 stops48h 44m

$2,196

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Thu 5/11

18:30-13:31

2 stops35h 31m

Chicago O'Hare Intl

Mon 9/11

21:06-14:20

2 stops48h 44m

$2,197

Fastest return journey

AdelaideChicago

ADL Adelaide - ORD Chicago O'Hare Intl

ADLORD

Adelaide

Mon 16/11

06:25-16:05

2 stops26h 10m

Chicago O'Hare Intl

Thu 19/11

13:44-09:25

2 stops27h 11m

$19,299

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 $0. 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 $0.

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	$2,033
Fastest flight time	25h 45m
Direct flights	None

The best flight deal from Adelaide to Illinois found on momondo in the last 72 hours is $2,033

The fastest flight from Adelaide to Illinois takes 25h 45m

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 October 2026, there is 1 operator 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 $1,933	Free cancellation	Rating 7.5 1,109 reviews		Search Qantas Airways 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.