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$938+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
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 October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,617
(oojo)

One-way from

$938
(oojo)
Provider with most accurate pricing for Chicago (CHI)-Cairns flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Cairns flights.
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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 October 31, 2025.

This Qantas Airways deal was found by Cheapflights users on 10/29. 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.
Fri 10/314:10 pmORD - CNS
2 stops26h 15mMultiple Airlines
Fri 11/73:35 pmCNS - ORD
2 stops24h 24mMultiple Airlines
Deal found 10/29$1,642
This United Airlines deal was found by Cheapflights users on 10/30. 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 12/76:35 pmORD - CNS
2 stops37h 20mUnited Airlines
Thu 12/116:00 amCNS - ORD
2 stops31h 07mUnited Airlines
Deal found 10/30$1,724
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/72:00 pmORD - CNS
3 stops32h 05mMultiple Airlines
Thu 12/116:00 amCNS - ORD
3 stops29h 30mMultiple Airlines
Deal found 10/30$1,730
This Gotogate deal was found by Cheapflights users on 10/30. 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.
Sun 12/72:35 pmORD - CNS
1 stop27h 20mCathay Pacific
Thu 12/1111:25 amCNS - ORD
1 stop41h 30mCathay Pacific
Deal found 10/30$2,028
This Trip.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/266:44 pmSTL - CNS
2 stops36h 21mMultiple Airlines
Tue 12/309:15 amCNS - STL
2 stops45h 45mMultiple Airlines
Deal found 10/29$2,055
This Gurufare deal was found by Cheapflights users on 10/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/146:17 pmORD - CNS
2 stops36h 13mQantas Airways
Sun 12/216:00 amCNS - ORD
2 stops25h 33mQantas Airways
Deal found 10/30$2,229
This Booking.com deal was found by Cheapflights users on 10/30. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/142:35 pmORD - CNS
1 stop27h 20mCathay Pacific
Sun 12/212:50 pmCNS - ORD
2 stops38h 05mCathay Pacific
Deal found 10/30$2,725
This oojo deal was found by Cheapflights users on 10/29. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/261:15 pmORD - CNS
2 stops41h 50mQantas Airways
Sun 1/45:00 pmCNS - ORD
2 stops53h 57mQantas Airways
Deal found 10/29$2,909
This Booking.com deal was found by Cheapflights users on 10/29. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2611:05 amSTL - CNS
3 stops34h 40mAir Canada
Tue 12/306:00 amCNS - STL
3 stops32h 29mAir Canada
Deal found 10/29$4,100

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 October 31, 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

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 1/14

6:40 pm-10:30 pm

2 stops35h 50m

Cairns

Tue 1/27

6:00 am-2:57 pm

2 stops24h 57m

$1,667

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 12/7

6:35 pm-11:55 pm

2 stops37h 20m

Cairns

Thu 12/11

6:00 am-9:07 pm

2 stops31h 07m

$1,724

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 12/7

2:00 pm-2:05 pm

3 stops32h 05m

Cairns

Thu 12/11

6:00 am-7:30 pm

3 stops29h 30m

$1,730

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 12/7

2:35 pm-9:55 am

1 stop27h 20m

Cairns

Thu 12/11

11:25 am-12:55 pm

1 stop41h 30m

$2,028

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 12/26

6:44 pm-11:05 pm

2 stops36h 21m

Cairns

Tue 12/30

9:15 am-3:00 pm

2 stops45h 45m

$2,055

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 12/14

6:17 pm-10:30 pm

2 stops36h 13m

Cairns

Sun 12/21

6:00 am-3:33 pm

2 stops25h 33m

$2,229

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 12/26

11:05 am-1:45 pm

3 stops34h 40m

Cairns

Tue 12/30

6:00 am-10:29 pm

3 stops32h 29m

$4,100

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 12/16

5:10 pm-11:35 am

2 stops26h 25m

$938

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 12/16

6:17 pm-11:05 pm

2 stops36h 48m

$1,532

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 12/16

2:35 pm-9:55 am

1 stop27h 20m

$1,626

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

Showing 1-10 of 11 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
No data available for this route at this time. Please check back soon.

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 United Airlines and Air Canada fly from Illinois to Cairns in about 34h 40m. The time it takes to get you to your destination can typically vary by up to 2h 40m. 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.

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

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $938. However, be on the lookout for offers from Qantas Airways and Cathay Pacific, as they are both options that can get you from Illinois to Cairns for a low price.

  • 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.

See more FAQs

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