HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Cairns

$1,367+ Cheap flights from Chicago (CHI) to Cairns (CNS)

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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNS
Apr 17 — Apr 241
Fri 4/17
Fri 4/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Chicago to Cairns with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 March 18, 2026.

This Air Canada deal was found by Cheapflights users on 3/15. 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 11/83:40 pm
ORD
-
CNS
2 stops33h 45m
Multiple Airlines
Sun 11/226:00 am
CNS
-
ORD
2 stops24h 41m
Multiple Airlines
Deal found 3/15$1,367
This Air Canada deal was found by Cheapflights users on 3/13. 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.
Mon 4/273:40 pm
ORD
-
CNS
2 stops31h 00m
Multiple Airlines
Mon 5/47:10 pm
CNS
-
ORD
2 stops34h 35m
Multiple Airlines
Deal found 3/13$1,487
This Air Canada deal was found by Cheapflights users on 3/16. 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.
Wed 4/153:40 pm
ORD
-
CNS
2 stops31h 00m
Multiple Airlines
Wed 4/224:35 pm
CNS
-
ORD
2 stops42h 40m
Multiple Airlines
Deal found 3/16$1,527
This Priceline deal was found by Cheapflights users on 3/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/82:00 pm
ORD
-
CNS
3 stops32h 55m
Air Canada
Sun 11/225:35 pm
CNS
-
ORD
3 stops54h 23m
Air Canada
Deal found 3/15$1,586
This flugladen.de deal was found by Cheapflights users on 3/17. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:40 pm
ORD
-
CNS
2 stops33h 15m
Multiple Airlines
Sat 5/94:35 pm
CNS
-
ORD
2 stops37h 10m
Multiple Airlines
Deal found 3/17$1,627
This Air Canada deal was found by Cheapflights users on 3/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/93:40 pm
ORD
-
CNS
2 stops34h 55m
Multiple Airlines
Thu 4/236:00 am
CNS
-
ORD
2 stops29h 15m
Multiple Airlines
Deal found 3/14$1,628

Find 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 March 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,487
(Air Canada)
Provider with most accurate pricing for Chicago (CHI)-Cairns flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Cairns flights.
Search Deals
From Chicago (CHI) to Cairns
Search Deals

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 March 18, 2026.
Use the filters below to find and compare flights from Chicago to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 4/27

2:00 pm-1:40 pm

3 stops32h 40m

Cairns

Mon 5/4

7:10 pm-2:45 pm

2 stops34h 35m

$1,496

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 4/9

3:40 pm-5:35 pm

2 stops34h 55m

Cairns

Thu 4/23

6:00 am-8:15 pm

2 stops29h 15m

$1,628

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/2

3:40 pm-3:55 pm

2 stops33h 15m

Cairns

Sat 5/9

4:35 pm-8:00 am

3 stops54h 25m

$1,755

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 4/14

11:50 am-4:30 am

1 stop25h 40m

Cairns

Tue 4/21

11:40 am-5:11 pm

2 stops44h 31m

$1,968
Quickest round-trip

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 4/16

4:30 pm-10:35 am

2 stops27h 05m

Cairns

Thu 4/23

11:20 am-11:59 pm

3 stops27h 39m

$1,972

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Sorted by cheapest first

Compare providers for flights from Chicago to Cairns

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 Cairns in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 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-Cairns flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago-Cairns flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago-Cairns flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago-Cairns flights, Cheapflights users trust FlightHub the most. FlightHub 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-Cairns 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 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
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 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.

  • 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chicago to Cairns

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Brisbane flights
St. Louis to Brisbane flights
St. Louis to Cairns flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.