HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Adelaide

$515+ Cheap flights from O'Hare Intl (ORD) to Adelaide (ADL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — ADL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Adelaide with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from O'Hare Intl to Adelaide

Cheapest flights from O'Hare Intl to Adelaide
Explore the most affordable flight options available from O'Hare Intl to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This American Airlines deal was found by Cheapflights users on 12/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:15 pmORD - ADL
2 stops27h 40mAmerican Airlines
Wed 12/107:50 amADL - ORD
2 stops28h 15mAmerican Airlines
Deal found 12/1$1,498
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/294:20 pmORD - ADL
1 stop24h 40mUnited Airlines
Mon 2/22:55 pmADL - ORD
1 stop23h 07mUnited Airlines
Deal found 12/3$1,549
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2810:10 pmORD - ADL
1 stop42h 50mUnited Airlines
Mon 2/22:55 pmADL - ORD
1 stop24h 49mUnited Airlines
Deal found 12/3$1,562
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:20 pmORD - ADL
1 stop24h 40mUnited Airlines
Wed 2/42:55 pmADL - ORD
1 stop21h 40mUnited Airlines
Deal found 12/3$1,599
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/289:05 pmORD - ADL
1 stop43h 55mUnited Airlines
Sat 1/312:55 pmADL - ORD
1 stop21h 25mUnited Airlines
Deal found 12/3$1,612
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:45 pmORD - ADL
1 stop28h 15mUnited Airlines
Sat 1/312:55 pmADL - ORD
1 stop21h 25mUnited Airlines
Deal found 12/3$1,649
This Qantas Airways deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:46 pmORD - ADL
2 stops25h 39mMultiple Airlines
Mon 2/26:25 amADL - ORD
2 stops25h 02mMultiple Airlines
Deal found 12/3$1,725
This Air Canada deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/302:00 pmORD - ADL
3 stops31h 25mAir Canada
Mon 2/26:10 amADL - ORD
2 stops25h 01mAir Canada
Deal found 12/3$1,749
This United Airlines deal was found by Cheapflights users on 12/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/303:47 pmORD - ADL
2 stops29h 53mUnited Airlines
Mon 2/22:55 pmADL - ORD
1 stop23h 07mUnited Airlines
Deal found 12/3$1,809

Find flight deals from O'Hare Intl to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Adelaide (ADL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 4, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$992
(FlightHub)

One-way from

$515
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,985
Provider with most accurate pricing for Chicago O'Hare Intl-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Adelaide flights.
Search Deals
From Chicago O'Hare Intl to Adelaide
Search Deals
One-way flight from Chicago O'Hare Intl to Adelaide
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($227 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($67 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated December 4, 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

O'Hare Intl

Fly to

Adelaide

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 1/18

3:35 pm-4:20 pm

2 stops32h 15m

Adelaide

Sun 1/25

6:10 am-2:41 pm

2 stops25h 01m

$1,051

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 1/17

1:15 pm-9:25 am

2 stops27h 40m

Adelaide

Sat 1/24

4:10 pm-11:59 pm

2 stops24h 19m

$1,168

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 1/17

3:35 pm-10:30 pm

2 stops38h 25m

Adelaide

Sat 1/24

6:00 am-7:45 pm

3 stops30h 15m

$1,317

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 2/25

3:35 pm-10:30 pm

2 stops38h 25m

Adelaide

Sun 3/1

6:10 am-2:41 pm

2 stops25h 01m

$1,432

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 12/29

12:45 pm-9:30 am

1 stop28h 15m

Adelaide

Wed 2/4

2:55 pm-11:14 pm

1 stop24h 49m

$1,549

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 12/28

9:05 pm-9:30 am

1 stop43h 55m

Adelaide

Wed 2/4

2:55 pm-11:59 pm

2 stops25h 34m

$1,567

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 12/28

10:10 pm-9:30 am

1 stop42h 50m

Adelaide

Mon 2/2

2:55 pm-10:58 pm

2 stops24h 33m

$1,567

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 12/27

4:20 pm-9:30 am

1 stop24h 40m

Adelaide

Wed 2/4

2:55 pm-8:05 pm

1 stop21h 40m

$1,599

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 2/9

1:30 pm-7:25 am

2 stops49h 25m

$570

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 2/6

5:40 am-7:25 am

3 stops57h 15m

$614

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 19 results
1
2

Compare providers for flights from O'Hare Intl to Adelaide

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Adelaide in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Adelaide flights, users find the pricing of Justfly.com to be most consistent on Cheapflights vs. Justfly.com Users can find the same prices on Chicago O'Hare Intl Airport-Adelaide flight deals on Cheapflights vs. Justfly.com >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Adelaide flights, Cheapflights users trust Justfly.com the most. Justfly.com has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Adelaide flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Adelaide

What is the cheapest time of day to fly from ORD to ADL?

Find hourly flight availability from O'Hare Intl to Adelaide. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

One of the essential ways to save on airfare from Chicago O'Hare Intl Airport to Adelaide is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 45% on airfare.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Adelaide?

Reviews of airlines servicing Adelaide

Get insights into the airlines that provide service to Adelaide. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Adelaide. Reviews last updated December 4, 2025.
Read through reviews of airlines operating flights from Chicago O'Hare Intl Airport to Adelaide, such as Fiji Airways, Air New Zealand, and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Food

7.5

Entertainment

7.5

Crew

8.5

Comfort

8.0

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.1
Very good
209 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Food

7.5

Entertainment

7.5

Crew

8.5

Comfort

8.0

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air New Zealand
8.0
Very good
544 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Food

7.5

Entertainment

7.5

Crew

8.5

Comfort

8.0

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
947 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Food

7.5

Entertainment

7.5

Crew

8.5

Comfort

8.0

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,066 reviews
Fiji Airways
8.1
Very good
209 reviews

Boarding

8.2

Food

7.5

Entertainment

7.5

Crew

8.5

Comfort

8.0

Overall

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Adelaide. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Adelaide from Chicago O'Hare Intl?

    Adelaide (ADL) is the airport you will fly into if you book a flight from Chicago O'Hare Intl to Adelaide. You should not have trouble finding flights to Adelaide from Chicago O'Hare Intl; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 4 airlines have flights to the Adelaide airport from Chicago O'Hare Intl. It is only a 4.1 mi journey from Adelaide (ADL) to Adelaide’s city center.

  • How long is the flight from Chicago O'Hare Intl Airport to Adelaide?

    Air Canada and Qantas Airways can get you from Chicago O'Hare Intl Airport to Adelaide in just under 27h 40m. Your travel time can differ by up to 4h 35m. There are 9903 mi between Chicago O'Hare Intl Airport and Adelaide. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Adelaide round-trip?

    Currently priced at $982, Qantas Airways will fly you from Chicago O'Hare Intl Airport to Adelaide and back. In addition to Qantas Airways, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air New Zealand and Fiji Airways - these airlines can fly you to your destination from $1,303 and $1,351, respectively. You may be able to fly from Chicago O'Hare Intl Airport to Adelaide for 25% less than the average price by searching for these airlines.

  • Can I find deals for flights from O'Hare Intl to Adelaide that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Adelaide?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Adelaide.

  • Can I find deals for business class flights from O'Hare Intl to Adelaide?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Adelaide by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Adelaide?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from O'Hare Intl to Adelaide

Discover the top 4 airlines that operate flights from O'Hare Intl to Adelaide. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$982Average$1,158FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,303Average$1,590FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$1,351Average$1,438FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,885Average$2,028FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.