Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago to Adelaide from $728

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Adelaide departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Adelaide

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
7:00 am - 10:55 amORD  Chicago O'Hare Intl-ADL Adelaide
35h 25m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
12:05 pm - 9:46 pmADL  Adelaide-ORD Chicago O'Hare Intl
26h 11m2 stops Auckland Intl Los Angeles
$1,287Air New Zealand
Wed, Nov 25 - Sun, Dec 6
Air New Zealand Logo
7:00 am - 10:55 amORD  Chicago O'Hare Intl-ADL Adelaide
35h 25m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
12:05 pm - 9:46 pmADL  Adelaide-ORD Chicago O'Hare Intl
26h 11m2 stops Auckland Intl Los Angeles
$1,288Air New Zealand
Wed, Nov 25 - Sun, Dec 6
Air Canada Logo
3:40 pm - 11:50 amORD  Chicago O'Hare Intl-ADL Adelaide
29h 40m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
7:00 pm - 7:48 pmADL  Adelaide-ORD Chicago O'Hare Intl
40h 18m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,380Air Canada
Sun, Sep 27 - Sun, Oct 4
Air Canada Logo
3:40 pm - 11:50 amORD  Chicago O'Hare Intl-ADL Adelaide
29h 40m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
7:00 pm - 7:48 pmADL  Adelaide-ORD Chicago O'Hare Intl
40h 18m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,382Air Canada
Sun, Sep 27 - Sun, Oct 4
United Airlines Logo
6:25 pm - 2:10 pmORD  Chicago O'Hare Intl-ADL Adelaide
27h 15m2 stops Los Angeles Melbourne
United Airlines Logo
8:40 am - 9:18 pmADL  Adelaide-ORD Chicago O'Hare Intl
29h 08m2 stops Melbourne San Francisco
$1,798United Airlines
Thu, Dec 24 - Thu, Dec 31
United Airlines Logo
9:49 pm - 9:30 amORD  Chicago O'Hare Intl-ADL Adelaide
43h 11m1 stop San Francisco
United Airlines Logo
7:15 am - 5:04 pmADL  Adelaide-ORD Chicago O'Hare Intl
26h 19m2 stops Melbourne Los Angeles
$1,912United Airlines
Wed, Dec 23 - Thu, Dec 31
United Airlines Logo
6:25 pm - 2:10 pmORD  Chicago O'Hare Intl-ADL Adelaide
27h 15m2 stops Los Angeles Melbourne
United Airlines Logo
7:15 am - 11:52 pmADL  Adelaide-ORD Chicago O'Hare Intl
33h 07m2 stops Melbourne Los Angeles
$1,988United Airlines
Thu, Dec 24 - Fri, Jan 1
Qantas Airways Logo
6:45 pm - 1:45 pmORD  Chicago O'Hare Intl-ADL Adelaide
26h 30m2 stops Los Angeles Sydney Kingsford Smith
Qantas Airways Logo
6:00 am - 11:05 pmADL  Adelaide-ORD Chicago O'Hare Intl
33h 35m2 stops Sydney Kingsford Smith Los Angeles
$2,607Qantas Airways
Mon, Dec 21 - Wed, Dec 30
Qantas Airways Logo
6:45 pm - 1:45 pmORD  Chicago O'Hare Intl-ADL Adelaide
26h 30m2 stops Los Angeles Sydney Kingsford Smith
Qantas Airways Logo
6:00 am - 2:15 pmADL  Adelaide-ORD Chicago O'Hare Intl
24h 45m2 stops Sydney Kingsford Smith Los Angeles
$2,643Qantas Airways
Tue, Dec 22 - Wed, Dec 30
Qantas Airways Logo
6:45 pm - 1:45 pmORD  Chicago O'Hare Intl-ADL Adelaide
26h 30m2 stops Los Angeles Sydney Kingsford Smith
Qantas Airways Logo
6:00 am - 4:05 pmADL  Adelaide-ORD Chicago O'Hare Intl
26h 35m2 stops Sydney Kingsford Smith Los Angeles
$3,292Qantas Airways
Tue, Dec 22 - Fri, Jan 1

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Air Canada flights from Chicago to Adelaide

Our best Air Canada deals on Chicago to Adelaide flight tickets
Air Canada
Sep 22
ORD3:40 pmChicago O'Hare Intl
29h 40m
2 stops
ADL11:50 amAdelaide
Sep 29
ADL8:00 pmAdelaide
38h 36m
2 stops
ORD8:06 pmChicago O'Hare Intl
$1,374
Air Canada
Sep 22
ORD3:40 pmChicago O'Hare Intl
31h 45m
2 stops
ADL1:55 pmAdelaide
Sep 29
ADL8:00 pmAdelaide
38h 18m
3 stops
ORD7:48 pmChicago O'Hare Intl
$1,382
Air Canada
Sep 22
ORD12:59 pmChicago O'Hare Intl
32h 21m
3 stops
ADL11:50 amAdelaide
Sep 29
ADL8:00 pmAdelaide
40h 36m
3 stops
ORD10:06 pmChicago O'Hare Intl
$1,390

Qatar Airways flights from Chicago to Adelaide

Our best Qatar Airways deals on Chicago to Adelaide flight tickets
Qatar Airways
Sep 9
ORD7:20 pmChicago O'Hare Intl
29h 10m
1 stop
ADL3:00 pmAdelaide
Sep 16
ADL6:50 pmAdelaide
34h 45m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,438
Qatar Airways
Sep 26
ORD7:20 pmChicago O'Hare Intl
29h 10m
1 stop
ADL3:00 pmAdelaide
Oct 3
ADL5:50 pmAdelaide
35h 45m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,515
Qatar Airways
Sep 26
ORD7:20 pmChicago O'Hare Intl
29h 10m
1 stop
ADL3:00 pmAdelaide
Oct 3
ADL5:50 pmAdelaide
35h 45m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,520

momondo Fare Finder

 
Customize your flight search to find flights from Chicago to Adelaide that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 13, 2026.
Use the filters below to find and compare flights from Chicago to Adelaide that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Wed 11/25

7:00 am-10:55 am

2 stops35h 25m

Adelaide

Sun 12/6

12:05 pm-9:46 pm

2 stops26h 11m

$1,287

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Wed 11/25

7:00 am-10:55 am

2 stops35h 25m

Adelaide

Sun 12/6

12:05 pm-9:46 pm

2 stops26h 11m

$1,288

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Sun 9/27

3:40 pm-11:50 am

2 stops29h 40m

Adelaide

Sun 10/4

7:00 pm-7:48 pm

3 stops40h 18m

$1,380

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Sun 9/27

3:40 pm-11:50 am

2 stops29h 40m

Adelaide

Sun 10/4

7:00 pm-7:48 pm

3 stops40h 18m

$1,382

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Thu 12/24

6:25 pm-2:10 pm

2 stops27h 15m

Adelaide

Thu 12/31

8:40 am-9:18 pm

2 stops29h 08m

$1,798

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Wed 12/23

9:49 pm-9:30 am

1 stop43h 11m

Adelaide

Thu 12/31

7:15 am-5:04 pm

2 stops26h 19m

$1,912

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Thu 12/24

6:25 pm-2:10 pm

2 stops27h 15m

Adelaide

Fri 1/1

7:15 am-11:52 pm

2 stops33h 07m

$1,988

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Mon 12/21

6:45 pm-1:45 pm

2 stops26h 30m

Adelaide

Wed 12/30

6:00 am-11:05 pm

2 stops33h 35m

$2,607
Quickest round-trip

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Tue 12/22

6:45 pm-1:45 pm

2 stops26h 30m

Adelaide

Wed 12/30

6:00 am-2:15 pm

2 stops24h 45m

$2,643

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Tue 12/22

6:45 pm-1:45 pm

2 stops26h 30m

Adelaide

Fri 1/1

6:00 am-4:05 pm

2 stops26h 35m

$3,292

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

See travel insights to Adelaide from

How to get the cheapest flight ticket from Chicago 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

What is the cheapest month to fly to Adelaide?

The cheapest month to fly to Adelaide from Chicago is in September. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Adelaide from Chicago during April instead. Flights to Adelaide in April, while not as cheap as those in September, still average around $0.

When to book flights from Chicago to Adelaide

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Adelaide according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Adelaide (CHI to ADL) flight deals and tips

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

Fastest flight time

24h 55m

Direct flights

None
The fastest flight from Chicago to Adelaide takes 24h 55m
There are no direct flights from Chicago to Adelaide. There are no popular flight routes from Chicago to Adelaide.
Search flight deals

Frequently asked questions about flying from Chicago to Adelaide

  • How far is Chicago to Adelaide by plane?

    The straight-line distance from Chicago to Adelaide is 9912.3 mi. 24h 55m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Chicago to Adelaide Airport?

    Prices for flights from Chicago to Adelaide Airport are updated daily.

  • How many operators does momondo search for flights from Chicago to Adelaide Airport?

  • How old do you have to be to fly from Chicago to Adelaide Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Adelaide Airport.

  • What documentation or ID do you need to fly to Adelaide Airport?

    The travel and health documents required for your trip to Adelaide Airport 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 license, and a passport valid for six-months after you plan to arrive at Adelaide Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Chicago to Adelaide?

Best airlines flying from Chicago to Adelaide

Compare and see reviews for airlines that fly from Chicago to Adelaide with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $941Free CancellationRating
7.5
1,081 reviews
Search Qantas Airways flights
Fiji AirwaysPriceFrom $1,351Free CancellationRating
8.0
254 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,673Free CancellationRating
7.4
10,113 reviews
Search United Airlines flights

Traveling to a place near Adelaide?

Book flights to Adelaide if you plan to visit one of these locations
Glenelg

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Adelaide?

Finding the right flight to Adelaide from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Adelaide quick and easy, saving you time and money.

Can I find flights from Chicago to Adelaide with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Chicago to Adelaide flights to just show those with flexible booking policies.

How can momondo help me find flights from Chicago to Adelaide?

momondo helps you find the best flight between Chicago and Adelaide by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Chicago to Adelaide right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Adelaide, momondo offers a useful price alert feature which will track prices for flights to Adelaide from Chicago and alert you when they change.

An easier way to manage your Adelaide trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 9/12
Sat 9/19
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia