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Cheap flights from Illinois to Cairns from $960

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 17/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
13 Feb — 20 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Cairns

Keep the following information in mind while searching for Illinois to Cairns flight deals. Data was last updated 14 January 2026.

Round-trip from

$2,075

One-way from

$960
18/5-28/5
  • 18/5-28/5
  • 4 total stops
  • 56h 00m total
  • Illinois to Cairns
Search Deals
17/5
  • 17/5
  • 2 total stops
  • 44h 10m total
  • Illinois to Cairns
Search Deals

Find 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 14 January 2026.

Mon 18/516:30
ORD
-
CNS
2 stops27h 35m
Multiple Airlines
Thu 28/515:35
CNS
-
ORD
2 stops28h 25m
Multiple Airlines
Deal found 12/1$2,075
Wed 16/915:40
ORD
-
CNS
2 stops33h 15m
Multiple Airlines
Wed 23/906:00
CNS
-
ORD
2 stops28h 53m
Multiple Airlines
Deal found 12/1$2,107
Thu 26/210:37
STL
-
CNS
2 stops31h 18m
Multiple Airlines
Thu 5/312:05
CNS
-
STL
2 stops47h 24m
Multiple Airlines
Deal found 12/1$2,117
Tue 15/915:40
ORD
-
CNS
2 stops33h 15m
Singapore Airlines
Mon 21/906:00
CNS
-
ORD
2 stops23h 49m
Singapore Airlines
Deal found 12/1$2,141
Mon 14/915:40
ORD
-
CNS
2 stops28h 30m
Singapore Airlines
Wed 23/906:00
CNS
-
ORD
2 stops23h 49m
Singapore Airlines
Deal found 12/1$2,142
Wed 11/215:35
ORD
-
CNS
2 stops30h 30m
Multiple Airlines
Mon 16/206:00
CNS
-
ORD
2 stops24h 41m
Multiple Airlines
Deal found 12/1$2,169
Mon 14/915:40
ORD
-
CNS
2 stops28h 30m
Singapore Airlines
Thu 24/906:00
CNS
-
ORD
2 stops23h 49m
Singapore Airlines
Deal found 12/1$2,205
Mon 18/521:11
ORD
-
CNS
2 stops46h 54m
Qantas Airways
Thu 28/515:35
CNS
-
ORD
2 stops37h 43m
Qantas Airways
Deal found 12/1$2,216
Fri 21/815:40
ORD
-
CNS
2 stops30h 55m
Multiple Airlines
Thu 3/906:00
CNS
-
ORD
2 stops28h 53m
Multiple Airlines
Deal found 13/1$2,232
Wed 18/315:35
ORD
-
CNS
2 stops31h 15m
Multiple Airlines
Sun 22/318:05
CNS
-
ORD
2 stops35h 36m
Multiple Airlines
Deal found 12/1$2,235
Mon 4/515:36
STL
-
CNS
2 stops29h 14m
Qantas Airways
Sun 9/818:20
CNS
-
STL
2 stops43h 48m
Qantas Airways
Deal found 14/1$2,341
Mon 16/216:13
STL
-
CNS
2 stops27h 37m
Qantas Airways
Fri 20/212:35
CNS
-
STL
2 stops47h 07m
Qantas Airways
Deal found 11/1$2,489

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 14 January 2026.
Use the filters below to find and compare flights from Illinois to Cairns that are best for you.

Fly from

Illinois

Fly to

Cairns

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 26/2

10:37-09:55

2 stops31h 18m

Cairns

Thu 5/3

12:05-19:29

2 stops47h 24m

$2,117

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 11/2

15:35-14:05

2 stops30h 30m

Cairns

Mon 16/2

06:00-14:41

2 stops24h 41m

$2,169

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 18/5

21:11-11:05

2 stops46h 54m

Cairns

Thu 28/5

15:35-14:18

2 stops37h 43m

$2,216

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 18/3

15:35-13:50

2 stops31h 15m

Cairns

Sun 22/3

18:05-14:41

2 stops35h 36m

$2,235

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

15:36-11:50

2 stops29h 14m

Cairns

Sun 9/8

18:20-23:08

2 stops43h 48m

$2,341

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 18/5

20:20-15:55

3 stops52h 35m

Cairns

Thu 28/5

06:00-14:45

2 stops23h 45m

$2,444

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 18/5

17:35-15:55

3 stops55h 20m

Cairns

Thu 28/5

16:35-14:55

3 stops61h 20m

$2,462

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 16/2

16:13-11:50

2 stops27h 37m

Cairns

Fri 20/2

12:35-19:42

2 stops47h 07m

$2,489

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 23/3

11:31-11:00

2 stops32h 29m

Cairns

Mon 30/3

17:20-23:47

2 stops45h 27m

$2,605

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 27/2

17:25-14:00

2 stops28h 35m

Cairns

Fri 6/3

06:00-22:25

2 stops32h 25m

$2,689

Flights are sorted by cheapest return flights first.

Deals found on 12/1

Showing 1-10 of 15 results
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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 Qantas Airways fly from Illinois to Cairns in about 46h 54m. 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Illinois to Cairns?

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