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$690+ Cheap flights from Adelaide (ADL) to Illinois

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
ADL — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Adelaide to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Adelaide (ADL) to Illinois (USIL). 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 January 21, 2025.

Round-trip from

$1,001
(Trip.com)

One-way from

$690
(KAYAK)
From Adelaide to Illinois
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One-way flight from Adelaide to Illinois
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Find flight deals from Adelaide to Illinois

Cheapest flights from Adelaide to Illinois
Explore the most affordable flight options available from Adelaide to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Trip.com deal was found by Cheapflights users on 1/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/46:15 amADL - ORD
2 stops27h 25mMultiple Airlines
Tue 3/118:20 pmORD - ADL
2 stops31h 10mMultiple Airlines
Deal found 1/21$1,001
This KAYAK deal was found by Cheapflights users on 1/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/612:55 pmADL - ORD
2 stops45h 10mQantas Airways
Wed 9/242:42 pmORD - ADL
2 stops31h 03mQantas Airways
Deal found 1/21$1,086
This BYOjet deal was found by Cheapflights users on 1/21. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:00 pmADL - ORD
1 stop33h 00mQatar Airways
Tue 3/115:15 pmORD - ADL
2 stops32h 20mQatar Airways
Deal found 1/21$1,513
This Gotogate deal was found by Cheapflights users on 1/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/410:40 pmADL - ORD
1 stop32h 45mEmirates
Tue 3/118:45 pmORD - ADL
1 stop32h 35mEmirates
Deal found 1/21$2,149
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:00 pmADL - ORD
3 stops39h 00mAir Canada
Wed 9/242:00 pmORD - ADL
3 stops33h 25mAir Canada
Deal found 1/21$2,447

Find flights from Adelaide to Illinois within your budget

Customize your flight search to find flights from Adelaide to Illinois 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 3/4

6:15 am-5:10 pm

2 stops27h 25m

Chicago O'Hare Intl

Tue 3/11

8:20 pm-7:00 pm

2 stops31h 10m

$1,001

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 6/6

12:55 pm-7:35 pm

2 stops45h 10m

Chicago O'Hare Intl

Wed 9/24

2:42 pm-12:15 pm

2 stops31h 03m

$1,086

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 3/4

10:00 pm-2:30 pm

1 stop33h 00m

Chicago O'Hare Intl

Tue 3/11

5:15 pm-5:05 pm

2 stops32h 20m

$1,513

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 3/4

10:40 pm-2:55 pm

1 stop32h 45m

Chicago O'Hare Intl

Tue 3/11

8:45 pm-8:50 pm

1 stop32h 35m

$2,149

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 6/6

7:00 pm-7:30 pm

3 stops39h 00m

Chicago O'Hare Intl

Wed 9/24

2:00 pm-1:55 pm

3 stops33h 25m

$2,447

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 6/6

12:55 pm-7:35 pm

2 stops45h 10m

$690

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 6/6

10:05 am-12:16 am

3 stops28h 41m

$722

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/16

8:00 pm-7:34 pm

2 stops38h 04m

$980

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 4/16

9:40 pm-3:25 pm

1 stop32h 15m

$1,402

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 6/6

9:50 pm-3:45 pm

1 stop32h 25m

$1,407

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Best time to book a flight from Adelaide to Illinois

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

Travel insights for flights from Adelaide to Illinois

Get recent, data-driven insights about flights from Adelaide to Illinois including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Adelaide to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 21, 2025.

When flying from Adelaide to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated January 21, 2025.
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Emirates
8.1
Very good
3,358 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Qatar Airways
7.5
Good
3,754 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Qantas Airways
7.5
Good
824 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

United Airlines
7.4
Good
8,984 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Air Canada
7.0
Good
8,633 reviews
Emirates
8.1
Very good
3,358 reviews

Comfort

8.0

Crew

8.3

Food

7.9

Overall

8.1

Boarding

8.1

Entertainment

8.2

Reviews

1 / 10

It was not a good experience the seats were small and uncomfortable the food was not good and they forgot to serve me my breakfast - there were 5 us in 2 rows that they just completely skipped us. Very disappointed.

Related info for your journey

Find useful and relevant information for your journey from Adelaide to Illinois. 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 from for flights from Adelaide to Illinois?

    Located just 4.1 mi from the city center, Adelaide (ADL) is the airport most travelers will use when flying to Illinois from Adelaide.

  • What are the cheapest airlines to fly from Adelaide to Illinois one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $690. Users have also found prices from $980 and $1,402 on United Airlines and Qatar Airways, respectively.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from Adelaide to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Adelaide to Illinois (average of $245). Flying from Adelaide to Illinois in March is currently the most expensive (average of $320). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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