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Cheap flights from Illinois to Cairns from $1,154

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
23 Jun — 30 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 24 May 2026.

Tue 28/721:30
ORD
-
CNS
2 stops55h 50m
United Airlines
Fri 7/806:00
CNS
-
ORD
2 stops31h 59m
United Airlines
Deal found 21/5$2,532
Tue 28/719:45
ORD
-
CNS
2 stops24h 25m
Air Canada
Fri 7/819:15
CNS
-
ORD
3 stops51h 45m
Air Canada
Deal found 21/5$2,619
Mon 6/715:40
ORD
-
CNS
2 stops28h 30m
Air Canada
Mon 13/706:00
CNS
-
ORD
2 stops23h 36m
Air Canada
Deal found 21/5$2,974
Tue 7/718:28
ORD
-
CNS
2 stops32h 07m
Qantas Airways
Tue 14/706:50
CNS
-
ORD
2 stops32h 17m
Qantas Airways
Deal found 23/5$3,150
Tue 7/710:40
ORD
-
CNS
1 stop26h 50m
Multiple Airlines
Tue 14/712:10
CNS
-
ORD
2 stops33h 07m
Multiple Airlines
Deal found 23/5$3,338
Mon 6/719:08
ORD
-
CNS
3 stops37h 12m
Multiple Airlines
Mon 13/706:00
CNS
-
ORD
3 stops51h 16m
Multiple Airlines
Deal found 21/5$3,394

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 24 May 2026.

Round-trip from

$2,532

One-way from

$1,154
United Airlines
  • United Airlines
  • 28/7-7/8
  • 4 total stops
  • 87h 49m total
  • Illinois to Cairns
Search Deals
3/8
  • 3/8
  • 3 total stops
  • 57h 28m 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 24 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 28/7

21:30-20:20

2 stops55h 50m

Cairns

Fri 7/8

06:00-22:59

2 stops31h 59m

$2,532

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

19:45-11:10

2 stops24h 25m

Cairns

Fri 7/8

19:15-08:00

3 stops51h 45m

$2,619

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/7

18:28-17:35

2 stops32h 07m

Cairns

Tue 14/7

06:50-00:07

2 stops32h 17m

$3,150

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 6/7

15:40-11:10

2 stops28h 30m

Cairns

Mon 13/7

19:15-19:52

3 stops39h 37m

$3,163
Fastest return journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/7

10:40-04:30

1 stop26h 50m

Cairns

Tue 14/7

12:10-06:17

2 stops33h 07m

$3,338

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 6/7

10:40-04:30

1 stop26h 50m

Cairns

Mon 13/7

12:35-14:20

2 stops40h 45m

$4,084

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

10:40-04:30

1 stop26h 50m

Cairns

Fri 7/8

13:40-11:00

2 stops60h 20m

$10,167

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 6/7

10:40-04:30

1 stop26h 50m

Cairns

Mon 13/7

11:40-07:45

1 stop35h 05m

$14,765

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

10:40-04:30

1 stop26h 50m

Cairns

Fri 7/8

11:40-07:45

1 stop35h 05m

$14,808
Cheapest one-way
Fastest single journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 3/8

21:57-22:25

3 stops57h 28m

$1,154

Flights are sorted by cheapest return flights first.

Deals found on 23/5

Sorted by cheapest first

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, Air Canada, and Qantas Airways fly from Illinois to Cairns in about 24h 25m. The time it takes to get you to your destination can typically vary by up to 31h 25m. 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?

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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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