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Cheap flights from Illinois to Cairns from $1,202

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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
21 May — 28 May1
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 21 April 2026.

Wed 3/616:30
ORD
-
CNS
2 stops27h 40m
United Airlines
Wed 10/606:00
CNS
-
ORD
2 stops27h 35m
United Airlines
Deal found 18/4$2,241
Mon 20/420:45
ORD
-
CNS
2 stops48h 05m
Qantas Airways
Mon 27/420:10
CNS
-
ORD
2 stops35h 45m
Qantas Airways
Deal found 19/4$2,303
Sun 19/418:00
ORD
-
CNS
2 stops33h 25m
Multiple Airlines
Sun 26/419:15
CNS
-
ORD
2 stops34h 12m
Multiple Airlines
Deal found 18/4$2,317
Sun 19/406:21
STL
-
CNS
2 stops45h 04m
Qantas Airways
Sun 2/812:35
CNS
-
STL
2 stops50h 24m
Qantas Airways
Deal found 18/4$2,348
Sat 1/817:10
ORD
-
CNS
2 stops27h 40m
Qantas Airways
Sat 8/817:00
CNS
-
ORD
2 stops37h 54m
Qantas Airways
Deal found 19/4$2,370
Thu 4/617:10
ORD
-
CNS
2 stops27h 40m
Qantas Airways
Thu 11/619:10
CNS
-
ORD
2 stops39h 18m
Qantas Airways
Deal found 20/4$2,433
Thu 4/619:23
STL
-
CNS
2 stops26h 32m
Multiple Airlines
Thu 11/619:10
CNS
-
STL
2 stops36h 23m
Multiple Airlines
Deal found 20/4$2,442
Wed 3/617:10
ORD
-
CNS
2 stops26h 25m
Multiple Airlines
Wed 10/611:20
CNS
-
ORD
3 stops27h 38m
Multiple Airlines
Deal found 18/4$2,456
Fri 31/715:21
ORD
-
CNS
2 stops30h 34m
Qantas Airways
Tue 4/818:20
CNS
-
ORD
2 stops36h 34m
Qantas Airways
Deal found 16/4$2,530
Sat 8/817:11
STL
-
CNS
2 stops38h 29m
Qantas Airways
Wed 12/806:50
CNS
-
STL
2 stops55h 05m
Qantas Airways
Deal found 16/4$2,569
Thu 4/617:10
ORD
-
CNS
2 stops27h 40m
Multiple Airlines
Thu 11/611:20
CNS
-
ORD
3 stops27h 38m
Multiple Airlines
Deal found 20/4$2,587
Sat 8/814:15
ORD
-
CNS
3 stops34h 40m
Air Canada
Wed 12/806:00
CNS
-
ORD
2 stops23h 41m
Air Canada
Deal found 18/4$2,616

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 21 April 2026.

Round-trip from

$2,241

One-way from

$719
United Airlines
  • United Airlines
  • 3/6-10/6
  • 4 total stops
  • 55h 15m total
  • Illinois to Cairns
Search Deals
30/5
  • 30/5
  • 2 total stops
  • 35h 23m 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 21 April 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
Fastest return journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 3/6

16:30-11:10

2 stops27h 40m

Cairns

Wed 10/6

06:00-18:35

2 stops27h 35m

$2,241

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 31/7

15:21-12:55

2 stops30h 34m

Cairns

Tue 4/8

18:20-15:54

2 stops36h 34m

$2,530

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 8/8

17:11-22:40

2 stops38h 29m

Cairns

Wed 12/8

06:50-22:55

2 stops55h 05m

$2,569

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 29/8

17:15-20:50

2 stops36h 35m

Cairns

Wed 2/9

13:40-17:47

2 stops43h 07m

$2,619

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 4/6

09:06-10:45

3 stops34h 39m

Cairns

Thu 11/6

11:55-23:57

3 stops27h 02m

$3,276

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 8/8

06:01-15:55

3 stops42h 54m

Cairns

Wed 12/8

06:00-18:24

2 stops27h 24m

$3,422

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 8/8

11:50-04:30

1 stop25h 40m

Cairns

Wed 12/8

12:10-06:02

2 stops32h 52m

$3,746

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 4/6

19:49-10:35

3 stops47h 46m

Cairns

Thu 11/6

17:40-16:38

3 stops37h 58m

$4,554

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 4/6

12:55-15:55

3 stops36h 00m

Cairns

Thu 11/6

19:15-08:00

3 stops51h 45m

$5,171

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 29/8

10:11-17:00

3 stops39h 49m

Cairns

Wed 2/9

18:15-16:15

3 stops37h 00m

$6,210

Flights are sorted by cheapest return flights first.

Deals found on 21/4

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 27h 40m. The time it takes to get you to your destination can typically vary by up to . Illinois and Cairns are separated by a distance of 14225 km.

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

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