Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Adelaide from $686

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 1/27. 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
0 bags

Discover deals from 900+ travel sites with momondo.

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

Find the cheapest flights from Chicago O'Hare Intl Airport to Adelaide

Cheap round-trip flights

Air Canada Logo
7:41 pm - 10:30 pmORD-ADL
35h 19m2 stops
Air Canada Logo
6:10 am - 2:41 pmADL-ORD
25h 01m2 stops
$1,070Air Canada
Find Deal
Tue, Oct 21 - Wed, Nov 12
Air Canada Logo
8:51 am - 11:50 amORD-ADL
36h 29m2 stops
Air Canada Logo
6:50 pm - 8:04 pmADL-ORD
39h 44m2 stops
$1,076Air Canada
Find Deal
Tue, Aug 19 - Tue, Aug 26
Air Canada Logo
3:40 pm - 6:10 pmORD-ADL
35h 00m2 stops
Air Canada Logo
6:00 am - 10:05 pmADL-ORD
32h 35m3 stops
$1,081Air Canada
Find Deal
Tue, Oct 21 - Wed, Nov 12
Logo
8:48 am - 11:50 amORD-ADL
36h 32m2 stops
Logo
7:30 pm - 4:42 pmADL-ORD
35h 42m2 stops
$1,101
Find Deal
Sun, Aug 17 - Mon, Aug 25
Air Canada Logo
7:41 pm - 10:30 pmORD-ADL
35h 19m2 stops
Air Canada Logo
6:10 am - 2:41 pmADL-ORD
25h 01m2 stops
$1,134Air Canada
Find Deal
Tue, Oct 21 - Thu, Nov 13
Logo
7:09 pm - 11:35 amORD-ADL
25h 56m2 stops
Logo
6:25 am - 5:40 amADL-ORD
37h 45m3 stops
$1,347
Find Deal
Tue, Aug 19 - Tue, Aug 26
Fiji Airways Logo
7:01 pm - 11:35 amORD-ADL
26h 04m2 stops
Fiji Airways Logo
12:35 pm - 9:41 pmADL-ORD
23h 36m2 stops
$1,515Fiji Airways
Find Deal
Thu, Sep 11 - Thu, Sep 18
Air New Zealand Logo
9:25 pm - 10:55 amORD-ADL
47h 00m2 stops
Air New Zealand Logo
7:15 pm - 9:24 pmADL-ORD
40h 39m2 stops
$1,554Air New Zealand
Find Deal
Fri, Sep 12 - Fri, Sep 19
Qantas Airways Logo
3:20 pm - 1:15 pmORD-ADL
29h 25m2 stops
Qantas Airways Logo
6:35 am - 7:31 pmADL-ORD
29h 26m2 stops
$2,306Qantas Airways
Find Deal
Sat, Jan 10 - Tue, Jan 13
Qantas Airways Logo
1:15 pm - 9:25 amORD-ADL
27h 40m2 stops
Qantas Airways Logo
6:25 am - 4:02 pmADL-ORD
26h 07m2 stops
$2,311Qantas Airways
Find Deal
Tue, Dec 16 - Tue, Dec 30

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
Sep 12
ORD7:20 pmChicago O'Hare Intl
30h 00m
1 stop
ADL3:50 pmAdelaide
Sep 19
ADL6:20 pmAdelaide
35h 15m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,731
Find similar
Qatar Airways
Sep 11
ORD7:20 pmChicago O'Hare Intl
30h 00m
1 stop
ADL3:50 pmAdelaide
Sep 18
ADL6:20 pmAdelaide
35h 15m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,773
Find similar
Qatar Airways
Sep 13
ORD7:20 pmChicago O'Hare Intl
30h 00m
1 stop
ADL3:50 pmAdelaide
Sep 20
ADL6:20 pmAdelaide
35h 15m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,801
Find similar

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 21
ORD7:41 pmChicago O'Hare Intl
35h 19m
2 stops
ADL10:30 pmAdelaide
Nov 12
ADL6:10 amAdelaide
25h 01m
2 stops
ORD2:41 pmChicago O'Hare Intl
$1,070
Find similar
Air Canada
Aug 19
ORD8:51 amChicago O'Hare Intl
36h 29m
2 stops
ADL11:50 amAdelaide
Aug 26
ADL6:50 pmAdelaide
39h 44m
2 stops
ORD8:04 pmChicago O'Hare Intl
$1,076
Find similar
Air Canada
Oct 21
ORD3:40 pmChicago O'Hare Intl
35h 00m
2 stops
ADL6:10 pmAdelaide
Nov 12
ADL6:00 amAdelaide
32h 35m
3 stops
ORD10:05 pmChicago O'Hare Intl
$1,081
Find similar

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 July 31, 2025.
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

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 10/21

7:41 pm-10:30 pm

2 stops35h 19m

Adelaide

Wed 11/12

6:10 am-2:41 pm

2 stops25h 01m

$1,070

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 8/19

8:51 am-11:50 am

2 stops36h 29m

Adelaide

Tue 8/26

6:50 pm-8:04 pm

2 stops39h 44m

$1,076

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 10/21

3:40 pm-6:10 pm

2 stops35h 00m

Adelaide

Wed 11/12

6:00 am-10:05 pm

3 stops32h 35m

$1,081

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 8/17

8:48 am-11:50 am

2 stops36h 32m

Adelaide

Mon 8/25

7:30 pm-4:42 pm

2 stops35h 42m

$1,101

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 10/21

7:41 pm-10:30 pm

2 stops35h 19m

Adelaide

Thu 11/13

6:10 am-2:41 pm

2 stops25h 01m

$1,134

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 8/19

7:09 pm-11:35 am

2 stops25h 56m

Adelaide

Tue 8/26

6:25 am-5:40 am

3 stops37h 45m

$1,347

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 9/11

7:01 pm-11:35 am

2 stops26h 04m

Adelaide

Thu 9/18

12:35 pm-9:41 pm

2 stops23h 36m

$1,515

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 9/12

9:25 pm-10:55 am

2 stops47h 00m

Adelaide

Fri 9/19

7:15 pm-9:24 pm

2 stops40h 39m

$1,554

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 1/10

3:20 pm-1:15 pm

2 stops29h 25m

Adelaide

Tue 1/13

6:35 am-7:31 pm

2 stops29h 26m

$2,306

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Tue 12/16

1:15 pm-9:25 am

2 stops27h 40m

Adelaide

Tue 12/30

6:25 am-4:02 pm

2 stops26h 07m

$2,311

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Adelaide from

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 day to depart on your flight to Adelaide?

The cheapest day to depart on your flight to Adelaide is on a Tuesday when prices can be found for as low as $1,440. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Adelaide is Saturday, with ticket prices averaging around $2,298.

What is the cheapest time of day to depart on your flight to Adelaide?

According to our data, the cheapest time of day to fly to Adelaide is at noon. momondo users have found flights departing from Chicago O'Hare Intl Airport to Adelaide at noon for as low as $1,201. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Adelaide are more costly in the morning, with an average ticket price of $2,194. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

Best Price Found

$686

Fastest flight time

22h 35m

Direct flights

None

Airports in Adelaide

1 airport
The best one-way flight to Adelaide from Chicago O'Hare Intl Airport in the past 72 hours is $686. The best round-trip flight deal from Chicago O'Hare Intl Airport to Adelaide found on momondo in the last 72 hours is $1,070.
The fastest flight from Chicago O'Hare Intl Airport to Adelaide takes 22h 35m
There are no direct flights from Chicago O'Hare Intl Airport to Adelaide. Popular non-direct route for this connection is Chicago O'Hare Intl Airport - Adelaide Airport.
There is 1 airport near Adelaide: Adelaide (ADL)
Search flight deals

  • 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 25h 56m.

  • 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 $987Free CancellationRating
7.5
887 reviews
Search Qantas Airways 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.

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
Tue 8/5
Tue 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia