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$990+ Cheap flights from Chicago (CHI) to Adelaide (ADL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — ADL
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap flight deals from Chicago to Adelaide

Cheapest flights from Chicago to Adelaide
Explore the most affordable flight options available from Chicago to Adelaide. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/21. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:35 pmORD - ADL
1 stop27h 25mMultiple Airlines
Fri 12/269:50 pmADL - ORD
2 stops34h 29mMultiple Airlines
Deal found 12/21$2,312

Find flight deals from Chicago to Adelaide

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) 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 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$990
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$2,298
Provider with most accurate pricing for Chicago (CHI)-Adelaide flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Adelaide flights.
Search Deals
From Chicago (CHI) to Adelaide
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($129 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($76 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 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, Cheapflights users made 2,558,603 searches. Data last updated December 23, 2025.
Use the filters below to find and compare flights from Chicago to Adelaide that are best for you.

Fly from

Chicago

Fly to

Adelaide

Route

Depart

Return

Price

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 2/4

3:35 pm-4:20 pm

2 stops32h 15m

Adelaide

Wed 2/11

6:10 am-2:41 pm

2 stops25h 01m

$990

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 3/5

3:35 pm-1:55 pm

2 stops29h 50m

Adelaide

Mon 3/23

6:10 am-2:41 pm

2 stops24h 01m

$1,050

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 2/5

3:35 pm-4:20 pm

2 stops32h 15m

Adelaide

Thu 2/12

6:00 am-7:45 pm

3 stops30h 15m

$1,087

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sat 2/7

3:35 pm-10:30 pm

2 stops38h 25m

Adelaide

Wed 2/11

6:10 am-2:41 pm

2 stops25h 01m

$1,135

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Mon 1/19

3:59 pm-9:30 am

2 stops25h 01m

Adelaide

Mon 2/2

2:55 pm-12:28 am

2 stops26h 03m

$1,152

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Sun 1/18

3:35 pm-10:30 pm

2 stops38h 25m

Adelaide

Sun 1/25

6:10 am-2:41 pm

2 stops25h 01m

$1,160

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/21

Compare providers for flights from Chicago 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 Chicago to Adelaide in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 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-Adelaide flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Adelaide flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Chicago-Adelaide flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Adelaide flights, Cheapflights users trust eDreams the most. eDreams 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-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 Chicago to Adelaide

Have a flexible travel schedule? Discover the best time to fly to Adelaide from Chicago 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 to Adelaide

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

Find hourly flight availability from Chicago 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 23, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 45% on flights from Chicago to Adelaide by exploring options for tickets at noon.

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 23, 2025.
Get a feel of what it's like to fly with Air New Zealand and Qantas Airways from Chicago to Adelaide by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very good
556 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.5

Food

7.4

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Air New Zealand
8.0
Very good
556 reviews
Air New Zealand
8.0
Very good
556 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.5

Food

7.4

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………
Qantas Airways
7.5
Good
949 reviews
Air New Zealand
8.0
Very good
556 reviews

Comfort

8.0

Overall

8.0

Crew

8.5

Entertainment

7.5

Food

7.4

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

BNE - AKL

I couldn’t operate reclining the seat. Neither could the passenger next to mec or the passenger across the aisle. This was in premium economy. We all tried following screen instructions but had no luck. Not really a problem on a 3 hour flight but any longer………

Related info for your journey

Find useful and relevant information for your journey from Chicago 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?

    For a flight from Chicago to Adelaide, you will be flying into Adelaide. Adelaide (ADL) is just 4.1 mi from the center of the city. Adelaide is the only Adelaide airport and it handles 0 inbound flights from Chicago per day. 4 airlines have flights to Adelaide from Chicago on a regular basis.

  • How long is the flight from Chicago to Adelaide?

    There are many flights that can get you from Chicago to Adelaide in 32h 15m. Fly via Air Canada to get the fastest option. There are 9903 mi between Chicago and Adelaide.

  • What are the cheapest airlines flying from Chicago to Adelaide round-trip?

    Qantas Airways, at $982, was found to be the cheapest airline from Chicago to Adelaide.Alternate airlines to your destination round-trip include Air New Zealand and Fiji Airways. Qantas Airways is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Chicago to Adelaide that include hotel bookings?

    Yes. In addition to deals on Chicago to Adelaide flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Adelaide?

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

  • Can I find deals for business class flights from Chicago to Adelaide?

    Yes. Cheapflights offers flight deals from Chicago 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

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Top 4 airlines flying from Chicago to Adelaide

Discover the top 4 airlines that operate flights from Chicago 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 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$982Average$1,097FlexibilityNo cancel feeOn-time74%
Air New ZealandCheapest$1,303Average$1,534FlexibilityNo cancel feeOn-time78%
Fiji AirwaysCheapest$1,351Average$1,438FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,673Average$2,028FlexibilityNo cancel feeOn-time69%

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