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Cheap flights from Cairns to Chicago O'Hare Intl Airport from $1,455

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 17/4. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — ORD
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to O'Hare Intl

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to O'Hare Intl
Explore the most affordable flight options available from Cairns to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 23 March 2026.

Mon 4/519:15
CNS
-
ORD
2 stops34h 30m
Air Canada
Mon 11/515:40
ORD
-
CNS
2 stops33h 15m
Air Canada
Deal found 19/3$1,629
Mon 4/519:15
CNS
-
ORD
3 stops39h 10m
Multiple Airlines
Mon 11/514:15
ORD
-
CNS
3 stops32h 25m
Multiple Airlines
Deal found 19/3$1,713
Wed 22/416:35
CNS
-
ORD
2 stops37h 10m
Air Canada
Sun 26/418:40
ORD
-
CNS
3 stops54h 15m
Air Canada
Deal found 18/3$1,746
Thu 29/1017:35
CNS
-
ORD
2 stops36h 06m
Air Canada
Mon 2/1115:40
ORD
-
CNS
2 stops31h 15m
Air Canada
Deal found 22/3$1,794

Find flight deals from Cairns to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to O'Hare Intl (ORD). 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 23 March 2026.

Round-trip from

$1,629

One-way from

$1,455
Air Canada
  • Air Canada
  • 4/5-11/5
  • 4 total stops
  • 67h 45m total
  • Cairns to Chicago
Search Deals
17/4
  • 17/4
  • 2 total stops
  • 34h 15m total
  • Cairns to Chicago
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to O'Hare Intl 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 647,157 searches. Data last updated 23 March 2026.
Use the filters below to find and compare flights from Cairns to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

CairnsChicago

CNS - ORD

CNSORD

Cairns

Mon 4/5

19:15-20:15

2 stops40h 00m

Chicago O'Hare Intl

Mon 11/5

14:15-15:55

3 stops34h 40m

$1,639
Fastest return journey

CairnsChicago

CNS - ORD

CNSORD

Cairns

Mon 4/5

19:15-19:25

3 stops39h 10m

Chicago O'Hare Intl

Mon 11/5

14:15-13:40

3 stops32h 25m

$1,713

CairnsChicago

CNS - ORD

CNSORD

Cairns

Wed 22/4

16:35-14:45

2 stops37h 10m

Chicago O'Hare Intl

Sun 26/4

18:40-15:55

3 stops54h 15m

$1,746
Cheapest one-way
Fastest single journey

CairnsChicago

CNS - ORD

CNSORD

Cairns

Fri 17/4

21:40-16:55

2 stops34h 15m

$1,455

CairnsChicago

CNS - ORD

CNSORD

Cairns

Fri 17/4

19:15-19:25

3 stops39h 10m

$2,445

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Sorted by cheapest first

Best time to book a flight from Cairns to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Cairns with our price prediction graph.
Estimated return 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.

Related info for your journey

Find useful and relevant information for your journey from Cairns to O'Hare Intl. 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 from for flights from Cairns to Chicago O'Hare Intl?

    Cairns (CNS), located 4.4 km from the city centre, is the airport you fly out of when you book flights from Cairns to Chicago O'Hare Intl. 0 airlines have flights from Cairns to Chicago O'Hare Intl on a regular basis. Booking flights from Cairns to Chicago O'Hare Intl should not be difficult; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day.

  • How long is the flight from Cairns to Chicago O'Hare Intl Airport?

    Airlines like Air Canada fly from Cairns to Chicago O'Hare Intl Airport in about 40h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 14225 km.

  • Can I find deals for flights from Cairns to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Cairns to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Cairns to O'Hare Intl?

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

  • Can I find deals for business class flights from Cairns to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Cairns to O'Hare Intl 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Cairns to O'Hare Intl?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cairns to O'Hare Intl. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cairns to O'Hare Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to O'Hare Intl from Cairns.

Can Cheapflights find flights from Cairns to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Cairns? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cairns to O'Hare Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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