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$857+ Cheap flights from Chicago (CHI) 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 12/27. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNS
sep. 8 — sep. 151
lun. 9/8
lun. 9/15
1 adult, Economy
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Cheap flight deals from Chicago to Cairns

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to Cairns (CNS). 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 septiembre 3, 2025.

Round-trip from

$1,238
(Trip.com)

One-way from

$857
(oojo)
From Chicago (CHI) to Cairns
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One-way flight from Chicago (CHI) to Cairns
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Find flight deals from Chicago to Cairns

Cheapest flights from Chicago to Cairns
Explore the most affordable flight options available from Chicago to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 3, 2025.

This Trip.com deal was found by Cheapflights users on 9/1. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/165:25 amORD - CNS
2 stops39h 15mMultiple Airlines
jue. 10/2312:40 pmCNS - ORD
2 stops27h 44mMultiple Airlines
Deal found 9/1$1,238
This Booking.com deal was found by Cheapflights users on 9/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/203:45 pmORD - CNS
2 stops31h 30mMultiple Airlines
mié. 10/295:35 pmCNS - ORD
2 stops35h 25mMultiple Airlines
Deal found 9/1$1,652
This Air Canada deal was found by Cheapflights users on 9/2. 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.
lun. 10/203:45 pmORD - CNS
2 stops31h 30mAir Canada
mié. 11/56:00 amCNS - ORD
2 stops24h 41mAir Canada
Deal found 9/2$1,680
This lol.travel deal was found by Cheapflights users on 9/1. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/202:00 pmORD - CNS
3 stops33h 15mAir Canada
mié. 10/296:00 amCNS - ORD
2 stops25h 44mAir Canada
Deal found 9/1$1,831
This Air Canada deal was found by Cheapflights users on 9/3. 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.
lun. 10/202:00 pmORD - CNS
3 stops33h 15mMultiple Airlines
mié. 11/56:05 pmCNS - ORD
3 stops53h 53mMultiple Airlines
Deal found 9/3$1,907

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago 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 septiembre 3, 2025.
Use the filters below to find and compare flights from Chicago to Cairns that are best for you.

Fly from

Chicago

Fly to

Cairns

Route

Depart

Return

Price

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

jue. 10/16

5:25 am-11:40 am

2 stops39h 15m

Cairns

jue. 10/23

12:40 pm-1:24 am

2 stops27h 44m

$1,238

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

mié. 2/11

3:40 pm-2:00 pm

2 stops30h 20m

Cairns

mié. 2/25

6:00 am-7:53 pm

2 stops29h 53m

$1,545

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

lun. 10/20

3:45 pm-2:15 pm

2 stops31h 30m

Cairns

mié. 10/29

5:35 pm-2:00 pm

2 stops35h 25m

$1,652

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

lun. 10/20

3:45 pm-2:15 pm

2 stops31h 30m

Cairns

mié. 11/5

6:00 am-2:41 pm

2 stops24h 41m

$1,680

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

mié. 2/11

6:50 pm-8:30 am

3 stops45h 40m

Cairns

mié. 2/25

9:45 am-2:30 pm

3 stops44h 45m

$1,739

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

sáb. 12/27

4:46 pm-11:35 am

2 stops26h 49m

$857

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

lun. 12/29

8:58 pm-11:35 am

2 stops46h 37m

$890

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

sáb. 12/27

12:20 pm-11:35 am

3 stops31h 15m

$1,060

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

mar. 12/16

10:20 am-10:45 am

2 stops32h 25m

$1,448

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/3

Best time to book a flight from Chicago to Cairns

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

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

Find hourly flight availability from Chicago 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 septiembre 3, 2025.

It’s optimal to fly from Chicago to Cairns in the morning. By choosing this option you can save up to 9% on the cost of your flight, compared to a flight at noon.

Related info for your journey

Find useful and relevant information for your journey from Chicago 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 Chicago?

    Most people fly into Cairns (CNS) if they book a flight to Cairns from Chicago. On average, Cairns has 0 inbound flights from Chicago per day from 0 airlines. Cairns is conveniently located just 2.8 mi from Cairns’s city center.

  • How long is the flight from Chicago to Cairns?

    A quick flight from Chicago to Cairns can take about 30h 20m. Air Canada provides one of the quickest options available for as low as $1,545. The distance from Chicago to Cairns is about 8839 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Chicago to Cairns (average of $1,158). Flying from Chicago to Cairns in December is currently the most expensive (average of $1,882). 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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