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$771+ Cheap flights from Illinois to Cairns (CNS)

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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Illinois to Cairns

Keep the following information in mind while searching for Illinois to Cairns flight deals. Data was last updated September 16, 2025.

Round-trip from

$1,446
(Fiji Airways)

One-way from

$771
(Kiwi.com)
From Illinois to Cairns
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One-way flight from Illinois to Cairns
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Find flight deals from Illinois to Cairns

Cheapest flights from Illinois to Cairns
Explore the most affordable flight options available from Illinois to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:03 pmORD - CNS
2 stops25h 32mFiji Airways
Thu 11/2012:35 pmCNS - ORD
2 stops24h 43mFiji Airways
Deal found 9/12$1,379
This Fiji Airways deal was found by Cheapflights users on 9/14. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:13 pmSTL - CNS
2 stops25h 22mFiji Airways
Mon 11/1712:35 pmCNS - STL
2 stops27h 07mFiji Airways
Deal found 9/14$1,446
This Fiji Airways deal was found by Cheapflights users on 9/12. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:03 pmORD - CNS
2 stops25h 32mFiji Airways
Sat 11/2212:35 pmCNS - ORD
2 stops22h 45mFiji Airways
Deal found 9/12$1,489
This Fiji Airways deal was found by Cheapflights users on 9/12. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:03 pmORD - CNS
2 stops25h 32mFiji Airways
Sat 11/2212:35 pmCNS - ORD
2 stops22h 45mFiji Airways
Deal found 9/12$1,589
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 11/310:30 amORD - CNS
1 stop26h 05mMultiple Airlines
Mon 11/1712:35 pmCNS - ORD
2 stops26h 25mMultiple Airlines
Deal found 9/12$1,624
This Fiji Airways deal was found by Cheapflights users on 9/12. 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 Fiji Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:03 pmORD - CNS
2 stops25h 32mFiji Airways
Mon 11/1712:35 pmCNS - ORD
2 stops24h 49mFiji Airways
Deal found 9/12$1,626
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/66:03 pmORD - CNS
2 stops25h 32mFiji Airways
Thu 11/2012:35 pmCNS - ORD
2 stops22h 45mFiji Airways
Deal found 9/12$1,639
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:40 pmORD - CNS
2 stops30h 20mMultiple Airlines
Fri 11/216:00 amCNS - ORD
2 stops24h 41mMultiple Airlines
Deal found 9/12$1,647
This Travelocity deal was found by Cheapflights users on 9/12. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:10 pmORD - CNS
2 stops26h 10mMultiple Airlines
Wed 11/1912:35 pmCNS - ORD
2 stops40h 25mMultiple Airlines
Deal found 9/12$1,655
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Mon 11/310:30 amORD - CNS
1 stop26h 05mMultiple Airlines
Thu 11/206:00 amCNS - ORD
2 stops34h 59mMultiple Airlines
Deal found 9/12$1,673
This Air Canada deal was found by Cheapflights users on 9/12. 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.
Sun 11/23:40 pmORD - CNS
2 stops30h 20mAir Canada
Mon 11/175:35 pmCNS - ORD
2 stops37h 06mAir Canada
Deal found 9/12$1,680
This Kiwi.com deal was found by Cheapflights users on 9/12. 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.
Thu 11/610:30 amORD - CNS
1 stop26h 05mMultiple Airlines
Mon 11/1712:35 pmCNS - ORD
2 stops26h 25mMultiple Airlines
Deal found 9/12$1,681

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Cairns 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 September 16, 2025.
Use the filters below to find and compare flights from Illinois to Cairns that are best for you.

Fly from

Illinois

Fly to

Cairns

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 11/13

6:13 pm-11:35 am

2 stops25h 22m

Cairns

Mon 11/17

12:35 pm-11:42 pm

2 stops27h 07m

$1,446

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 11/4

6:03 pm-11:35 am

2 stops25h 32m

Cairns

Sat 11/22

12:35 pm-7:20 pm

2 stops22h 45m

$1,489

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 11/3

10:30 am-4:35 am

1 stop26h 05m

Cairns

Thu 11/20

6:00 am-12:59 am

2 stops34h 59m

$1,673

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 11/3

3:40 pm-2:00 pm

2 stops30h 20m

Cairns

Mon 11/17

5:35 pm-12:05 pm

3 stops58h 30m

$1,686

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 11/9

11:15 am-2:55 pm

3 stops35h 40m

Cairns

Mon 11/17

5:35 pm-7:30 pm

3 stops41h 55m

$1,693

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 11/6

10:30 am-4:35 am

1 stop26h 05m

Cairns

Thu 11/20

6:00 am-12:59 am

2 stops34h 59m

$1,730

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 11/9

10:00 am-2:55 pm

3 stops36h 55m

Cairns

Fri 11/21

6:00 am-4:44 pm

2 stops26h 44m

$1,732

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 11/4

10:30 am-4:35 am

1 stop26h 05m

Cairns

Mon 11/17

12:35 pm-11:00 pm

2 stops26h 25m

$1,735

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 11/4

11:45 am-4:50 pm

2 stops37h 05m

Cairns

Sun 11/16

5:35 pm-11:59 pm

2 stops46h 24m

$1,785

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 11/3

3:00 pm-11:05 pm

2 stops40h 05m

Cairns

Wed 11/19

2:50 pm-11:59 pm

2 stops25h 09m

$1,785

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 14 results
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Best time to book a flight from Illinois to Cairns

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

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

Find hourly flight availability from Illinois to Cairns. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Cairns as you normally would.

Related info for your journey

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

    Cairns (CNS) is the airport you will fly into if you book a flight from Illinois to Cairns. It is only a 2.8 mi journey from Cairns (CNS) to Cairns’s city center.

  • How long is the flight from Illinois to Cairns?

    Airlines like Fiji Airways and Air Canada fly from Illinois to Cairns in about 25h 22m. The time it takes to get you to your destination can typically vary by up to 4h 58m. The distance between Illinois and Cairns is about 8749 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois to Cairns 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 Illinois to Cairns?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Cairns (average of $1,140). Flying from Illinois to Cairns in December is currently the most expensive (average of $1,878). 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.

See more FAQs

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