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Cheap flights from Illinois to Cairns from $1,024

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
17 Jun — 24 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Cairns

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Cairns
Explore the most affordable flight options available from Illinois to Cairns. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 May 2026.

Tue 30/619:45
ORD
-
CNS
2 stops28h 15m
Multiple Airlines
Tue 7/706:00
CNS
-
ORD
2 stops38h 40m
Multiple Airlines
Deal found 16/5$2,014
Mon 3/815:40
ORD
-
CNS
2 stops28h 30m
Air Canada
Wed 9/906:00
CNS
-
ORD
2 stops23h 43m
Air Canada
Deal found 17/5$2,279
Mon 3/815:40
ORD
-
CNS
2 stops28h 30m
Air Canada
Tue 8/916:35
CNS
-
ORD
2 stops37h 08m
Air Canada
Deal found 17/5$2,286
Wed 29/715:40
ORD
-
CNS
2 stops28h 30m
Air Canada
Wed 9/906:00
CNS
-
ORD
2 stops23h 43m
Air Canada
Deal found 17/5$2,349
Wed 29/715:40
ORD
-
CNS
2 stops28h 30m
Air Canada
Tue 8/916:35
CNS
-
ORD
2 stops37h 08m
Air Canada
Deal found 17/5$2,356
Sat 1/815:40
ORD
-
CNS
2 stops28h 30m
Multiple Airlines
Sun 6/919:10
CNS
-
ORD
2 stops34h 26m
Multiple Airlines
Deal found 17/5$2,358
Fri 31/708:50
ORD
-
CNS
3 stops40h 05m
Air Canada
Wed 9/906:00
CNS
-
ORD
2 stops23h 43m
Air Canada
Deal found 17/5$2,429
Fri 31/712:55
ORD
-
CNS
3 stops36h 00m
Air Canada
Tue 8/916:35
CNS
-
ORD
2 stops37h 08m
Air Canada
Deal found 17/5$2,436
Wed 29/715:40
ORD
-
CNS
2 stops28h 30m
Air Canada
Mon 7/916:35
CNS
-
ORD
3 stops44h 30m
Air Canada
Deal found 17/5$2,437

Find flight deals from Illinois to Cairns

Keep the following information in mind while searching for Illinois to Cairns flight deals. Data was last updated 18 May 2026.

Round-trip from

$2,014

One-way from

$1,024
Air Canada
  • Air Canada
  • 30/6-7/7
  • 4 total stops
  • 66h 55m total
  • Illinois to Cairns
Search Deals
3/11
  • 3/11
  • 3 total stops
  • 36h 00m total
  • Illinois to Cairns
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois 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 647,157 searches. Data last updated 18 May 2026.
Use the filters below to find and compare flights from Illinois to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 30/6

19:45-15:00

2 stops28h 15m

Cairns

Tue 7/7

19:15-22:05

3 stops41h 50m

$2,032

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 31/7

16:30-20:20

2 stops36h 50m

Cairns

Fri 4/9

06:00-12:29

2 stops45h 29m

$2,485

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 4/8

21:30-13:00

2 stops48h 30m

Cairns

Fri 4/9

06:00-20:26

2 stops29h 26m

$2,485

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 30/7

15:21-10:35

2 stops28h 14m

Cairns

Mon 7/9

13:55-14:23

2 stops39h 28m

$2,689

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 31/7

17:10-10:35

2 stops26h 25m

Cairns

Sun 6/9

06:50-23:59

2 stops32h 09m

$2,697
Fastest return journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 29/7

17:10-15:00

2 stops30h 50m

Cairns

Sun 6/9

06:50-18:35

2 stops26h 45m

$2,697

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 4/8

19:08-13:40

2 stops27h 32m

Cairns

Sun 6/9

06:50-23:59

2 stops32h 09m

$2,706

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 11/6

21:20-15:55

3 stops51h 35m

Cairns

Thu 18/6

19:15-05:40

2 stops49h 25m

$2,753

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 11/6

07:00-10:45

2 stops36h 45m

Cairns

Thu 18/6

12:35-23:16

2 stops49h 41m

$2,889

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 11/6

20:20-15:55

3 stops52h 35m

Cairns

Wed 17/6

16:35-22:05

3 stops44h 30m

$3,033

Flights are sorted by cheapest return flights first.

Deals found on 14/5

Showing 1-10 of 11 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Cairns

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

    Most people fly into Cairns (CNS) if they book a flight to Cairns from Illinois. Cairns is conveniently located just 4.4 km from Cairns’s city centre.

  • How long is the flight from Illinois to Cairns?

    Airlines like United Airlines and Qantas Airways fly from Illinois to Cairns in about 28h 14m. The time it takes to get you to your destination can typically vary by up to 8h 36m. Illinois and Cairns are separated by a distance of 14225 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Mission Beach
Trinity Beach

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Why should you use Cheapflights to find cheap flight tickets from Illinois to Cairns?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Cairns for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes! Cheapflights helps users easily find flights from Illinois to Cairns with no change fees.

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

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