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$626+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — CNS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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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 December 4, 2025.

This Qantas Airways deal was found by Cheapflights users on 12/2. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/153:05 pmORD - CNS
2 stops27h 55mMultiple Airlines
Mon 12/222:50 pmCNS - ORD
2 stops24h 50mMultiple Airlines
Deal found 12/2$2,155
This Qantas Airways deal was found by Cheapflights users on 12/2. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/194:46 pmORD - CNS
2 stops26h 14mMultiple Airlines
Mon 1/2611:45 amCNS - ORD
2 stops28h 14mMultiple Airlines
Deal found 12/2$6,557
This oojo deal was found by Cheapflights users on 12/3. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:04 pmORD - CNS
2 stops50h 06mQantas Airways
Mon 1/263:35 pmCNS - ORD
2 stops38h 20mQantas Airways
Deal found 12/3$7,310
This Air Canada deal was found by Cheapflights users on 12/3. 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.
Fri 12/191:13 pmORD - CNS
3 stops33h 42mAir Canada
Mon 1/265:35 pmCNS - ORD
3 stops42h 10mAir Canada
Deal found 12/3$20,029

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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,571
(Qantas Airways)
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
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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 December 4, 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

Sun 1/18

1:05 pm-2:00 pm

2 stops32h 55m

Cairns

Sun 1/25

6:00 am-2:41 pm

2 stops24h 41m

$1,439

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/15

4:49 pm-2:05 pm

2 stops29h 16m

Cairns

Thu 2/19

5:35 pm-7:40 pm

2 stops42h 05m

$1,571

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/22

3:15 pm-11:00 am

2 stops27h 45m

Cairns

Thu 2/26

12:35 pm-4:38 pm

2 stops44h 03m

$1,624

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/15

2:00 pm-2:55 pm

3 stops32h 55m

Cairns

Thu 2/19

6:00 am-2:41 pm

2 stops24h 41m

$1,672

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/22

2:35 pm-9:55 am

1 stop27h 20m

Cairns

Thu 2/26

11:25 am-12:55 pm

1 stop41h 30m

$1,969

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/15

2:35 pm-9:55 am

1 stop27h 20m

Cairns

Thu 2/19

11:25 am-12:55 pm

1 stop41h 30m

$1,969

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 12/15

3:05 pm-11:00 am

2 stops27h 55m

Cairns

Mon 12/22

2:50 pm-11:40 pm

2 stops24h 50m

$2,155

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 2/24

5:29 pm-8:35 am

3 stops47h 06m

$626

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 12/16

3:40 pm-11:05 pm

2 stops39h 25m

$1,572

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 12/16

2:35 pm-9:55 am

1 stop27h 20m

$1,949

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

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 December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Chicago-Cairns flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

  • How long is the flight from Chicago to Cairns?

    A quick flight from Chicago to Cairns can take about 29h 16m. Qantas Airways provides one of the quickest options available for as low as $1,571. The distance from Chicago to Cairns is about 8839 mi. This flight may include one or multiple stops.

  • 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.

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