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Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $782

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 O'Hare Intl Airport to Adelaide departing on 9/14. 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 O'Hare Intl Airport 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
2:00 pm - 10:55 amORD  Chicago O'Hare Intl-ADL Adelaide
28h 25m2 stops Los Angeles Auckland Intl
Air New Zealand Logo
12:05 pm - 11:02 pmADL  Adelaide-ORD Chicago O'Hare Intl
27h 27m2 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 - 11:02 pmADL  Adelaide-ORD Chicago O'Hare Intl
27h 27m2 stops Auckland Intl Los Angeles
$1,325Air New Zealand
Wed, Nov 25 - Sun, Dec 6
Air Canada Logo
3:40 pm - 6:25 pmORD  Chicago O'Hare Intl-ADL Adelaide
35h 15m2 stops Vancouver Intl Sydney Kingsford Smith
Air Canada Logo
6:10 am - 2:37 pmADL  Adelaide-ORD Chicago O'Hare Intl
23h 57m2 stops Brisbane Vancouver Intl
$1,369Air Canada
Tue, Oct 20 - Wed, Oct 28
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

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Air Canada flights from Chicago O'Hare Intl Airport to Adelaide

Our best Air Canada deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
Air Canada
Oct 20
ORD3:40 pmChicago O'Hare Intl
35h 15m
2 stops
ADL6:25 pmAdelaide
Oct 28
ADL6:10 amAdelaide
23h 57m
2 stops
ORD2:37 pmChicago O'Hare Intl
$1,369
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
Oct 20
ORD9:50 amChicago O'Hare Intl
36h 35m
3 stops
ADL1:55 pmAdelaide
Oct 28
ADL6:10 amAdelaide
23h 57m
2 stops
ORD2:37 pmChicago O'Hare Intl
$1,377

Qatar Airways flights from Chicago O'Hare Intl Airport to Adelaide

Our best Qatar Airways deals on Chicago O'Hare Intl Airport to Adelaide flight tickets
Qatar Airways
Oct 20
ORD7:20 pmChicago O'Hare Intl
47h 15m
2 stops
ADL10:05 amAdelaide
Oct 28
ADL10:00 pmAdelaide
33h 00m
1 stop
ORD3:30 pmChicago O'Hare Intl
$1,410
Qatar Airways
Sep 7
ORD7:20 pmChicago O'Hare Intl
29h 10m
1 stop
ADL3:00 pmAdelaide
Sep 14
ADL5:50 pmAdelaide
35h 45m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,414
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

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 11, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

2:00 pm-10:55 am

2 stops28h 25m

Adelaide

Sun 12/6

12:05 pm-11:02 pm

2 stops27h 27m

$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-11:02 pm

2 stops27h 27m

$1,325

ChicagoAdelaide

ORD Chicago O'Hare Intl - ADL Adelaide

ORDADL

Chicago O'Hare Intl

Tue 10/20

3:40 pm-6:25 pm

2 stops35h 15m

Adelaide

Wed 10/28

6:10 am-2:37 pm

2 stops23h 57m

$1,369

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
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Adelaide

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

Cheap Chicago O'Hare Intl Airport to Adelaide (ORD to ADL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Adelaide

Fastest flight time

26h 40m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Adelaide takes 26h 40m
There are no direct flights from Chicago O'Hare Intl Airport to Adelaide. There are no popular flight routes from Chicago O'Hare Intl Airport to Adelaide.
Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Adelaide

  • How far is Chicago O'Hare Intl to Adelaide by plane?

    A flight from Chicago O'Hare Intl to Adelaide will travel around 9898.7 mi. In terms of flight time, this usually takes a little over 26h 40m.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Adelaide Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Adelaide Airport were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Adelaide Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Adelaide Airport?

    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 layovers 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 Chicago O'Hare Intl Airport to Adelaide Airport.

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

    The travel and health documents you'll need for your trip to Adelaide Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Adelaide Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Adelaide?

Best airlines flying from Chicago O'Hare Intl Airport to Adelaide

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport 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
252 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $1,673Free CancellationRating
7.4
10,103 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 enables you to select and highlight flights to Adelaide from Chicago with this policy.

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

momondo provides multiple filters to help you find the best flight to Adelaide from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Adelaide flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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