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Cheap flights from Illinois to Cairns from $722

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 30/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
24 May — 31 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 24 April 2026.

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$2,309
Sun 7/618:59
ORD
-
CNS
2 stops26h 56m
Multiple Airlines
Sun 14/615:45
CNS
-
ORD
2 stops28h 15m
Multiple Airlines
Deal found 23/4$2,319
Tue 28/721:30
ORD
-
CNS
2 stops55h 50m
United Airlines
Fri 7/806:00
CNS
-
ORD
2 stops32h 43m
United Airlines
Deal found 21/4$2,327
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$2,376
Sat 6/618:10
ORD
-
CNS
2 stops28h 30m
Multiple Airlines
Sat 13/614:50
CNS
-
ORD
2 stops38h 45m
Multiple Airlines
Deal found 22/4$2,386
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$2,439
Sat 23/520:50
ORD
-
CNS
2 stops69h 30m
Multiple Airlines
Sat 30/519:10
CNS
-
ORD
2 stops34h 11m
Multiple Airlines
Deal found 24/4$2,440
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$2,447
Tue 28/719:01
ORD
-
CNS
2 stops26h 54m
Multiple Airlines
Fri 7/811:20
CNS
-
ORD
3 stops27h 39m
Multiple Airlines
Deal found 21/4$2,541
Sat 6/617:10
ORD
-
CNS
2 stops26h 25m
Qantas Airways
Sat 13/609:25
CNS
-
ORD
3 stops59h 14m
Qantas Airways
Deal found 22/4$2,552
Sat 8/817:11
STL
-
CNS
2 stops38h 29m
Qantas Airways
Wed 12/806:50
CNS
-
STL
2 stops55h 05m
Qantas Airways
Deal found 19/4$2,576
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$2,593

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 April 2026.

Round-trip from

$2,319

One-way from

$722
7/6-14/6
  • 7/6-14/6
  • 4 total stops
  • 55h 11m total
  • Illinois to Cairns
Search Deals
30/5
  • 30/5
  • 2 total stops
  • 32h 43m 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 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

Sun 7/6

18:59-12:55

2 stops26h 56m

Cairns

Sun 14/6

15:45-05:00

2 stops28h 15m

$2,319

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

21:30-20:20

2 stops55h 50m

Cairns

Fri 7/8

06:00-23:43

2 stops32h 43m

$2,327

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 1/8

17:10-11:50

2 stops27h 40m

Cairns

Sat 8/8

17:00-15:54

2 stops37h 54m

$2,376

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 23/5

20:50-09:20

2 stops69h 30m

Cairns

Sat 30/5

19:10-14:21

2 stops34h 11m

$2,440

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 6/6

17:10-10:35

2 stops26h 25m

Cairns

Sat 13/6

09:25-05:39

3 stops59h 14m

$2,552

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

$2,576

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 29/8

17:15-20:50

2 stops36h 35m

Cairns

Wed 2/9

13:40-23:59

2 stops49h 19m

$2,625

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 1/8

17:45-10:45

2 stops26h 00m

Cairns

Sat 8/8

06:00-21:40

3 stops30h 40m

$2,716

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 4/6

09:06-10:45

3 stops34h 39m

Cairns

Thu 11/6

11:55-20:42

2 stops23h 47m

$2,997

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 1/8

15:40-11:10

2 stops28h 30m

Cairns

Sat 8/8

19:10-08:00

3 stops51h 50m

$3,010

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 17 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 28h 10m. 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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