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Cheap flights from Cairns to Illinois from $843

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — ORD
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to Illinois
Explore the most affordable flight options available from Cairns to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 January 2026.

Thu 12/211:25
CNS
-
ORD
1 stop41h 30m
Cathay Pacific
Mon 16/214:35
ORD
-
CNS
2 stops52h 10m
Cathay Pacific
Deal found 19/1$2,153

Find flight deals from Cairns to Illinois

Keep the following information in mind while searching for Cairns to Illinois flight deals. Data was last updated 22 January 2026.

Round-trip from

$2,153

One-way from

$843
Cathay Pacific
  • Cathay Pacific
  • 12/2-16/2
  • 3 total stops
  • 93h 40m total
  • Cairns to Illinois
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 39h 46m total
  • Cairns to Illinois
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Cairns to Illinois 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 22 January 2026.
Use the filters below to find and compare flights from Cairns to Illinois that are best for you.

Fly from

Cairns

Fly to

Illinois

Route

Depart

Return

Price

CairnsChicago

CNS - ORD

CNSORD

Cairns

Thu 12/2

11:25-12:55

1 stop41h 30m

Chicago O'Hare Intl

Mon 16/2

14:35-10:45

2 stops52h 10m

$2,153

CairnsChicago

CNS - ORD

CNSORD

Cairns

Fri 15/5

06:00-06:46

3 stops39h 46m

$843

CairnsChicago

CNS - ORD

CNSORD

Cairns

Mon 15/6

11:55-23:50

2 stops26h 55m

$1,040

CairnsChicago

CNS - ORD

CNSORD

Cairns

Fri 17/4

14:50-14:25

2 stops38h 35m

$1,279

CairnsChicago

CNS - ORD

CNSORD

Cairns

Mon 15/6

19:15-14:25

3 stops58h 10m

$1,414

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Best time to book a flight from Cairns to Illinois

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

Cheapflights Insights

Everything you need to know about your flight from Cairns to Illinois
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 Cairns to Illinois. 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 Illinois?

    Located just 4.4 km from the city centre, Cairns (CNS) is the airport most travellers will use when flying to Illinois from Cairns.

  • How long is the flight from Cairns to Illinois?

    For as low as $2,153, Cathay Pacific can have you in Illinois from Cairns in 41h 30m. Airlines will cover a distance of 14225 km.

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

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

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

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

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

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cairns to Illinois. 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 Illinois?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Cairns to Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Cairns to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Cairns shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Cairns to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Cairns today and book when prices fit your budget.

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