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Cheap flights from Illinois to Cairns from $1,537

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 19/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
8 Aug — 15 Aug1
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 9 July 2026.

Wed 11/1115:30
ORD
-
CNS
2 stops31h 25m
Air Canada
Wed 18/1106:00
CNS
-
ORD
2 stops30h 01m
Air Canada
Deal found 6/7$2,083
Tue 10/1108:49
ORD
-
CNS
2 stops37h 11m
Air Canada
Wed 18/1106:00
CNS
-
ORD
2 stops24h 37m
Air Canada
Deal found 6/7$2,085
Tue 18/815:40
ORD
-
CNS
2 stops30h 15m
Multiple Airlines
Tue 25/806:00
CNS
-
ORD
2 stops23h 36m
Multiple Airlines
Deal found 4/7$2,117
Wed 11/1115:30
ORD
-
CNS
2 stops33h 55m
Multiple Airlines
Thu 19/1106:00
CNS
-
ORD
2 stops30h 01m
Multiple Airlines
Deal found 7/7$2,130
Wed 11/1115:30
ORD
-
CNS
2 stops31h 25m
Multiple Airlines
Fri 20/1106:00
CNS
-
ORD
2 stops24h 37m
Multiple Airlines
Deal found 6/7$2,137
Tue 10/1115:30
ORD
-
CNS
2 stops30h 30m
Air Canada
Fri 20/1106:00
CNS
-
ORD
2 stops30h 01m
Air Canada
Deal found 6/7$2,138
Fri 21/806:00
STL
-
CNS
2 stops49h 30m
Multiple Airlines
Fri 28/812:35
CNS
-
STL
2 stops49h 24m
Multiple Airlines
Deal found 7/7$2,196
Sun 26/713:14
STL
-
CNS
3 stops34h 46m
Multiple Airlines
Sun 2/821:40
CNS
-
STL
2 stops41h 19m
Multiple Airlines
Deal found 5/7$2,223
Fri 21/808:42
STL
-
CNS
2 stops40h 13m
United Airlines
Fri 28/806:00
CNS
-
STL
3 stops48h 31m
United Airlines
Deal found 7/7$2,415
Sun 26/706:37
STL
-
CNS
2 stops49h 08m
Qantas Airways
Thu 30/714:40
CNS
-
STL
2 stops48h 19m
Qantas Airways
Deal found 8/7$3,167
Sun 26/714:40
STL
-
CNS
3 stops34h 15m
Air Canada
Thu 30/719:15
CNS
-
STL
3 stops57h 47m
Air Canada
Deal found 8/7$3,950

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 9 July 2026.

Round-trip from

$2,083

One-way from

$1,537
Air Canada
  • Air Canada
  • 11/11-18/11
  • 4 total stops
  • 61h 26m total
  • Illinois to Cairns
Search Deals
19/8
  • 19/8
  • 2 total stops
  • 26h 59m 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 9 July 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

15:40-11:10

2 stops28h 30m

Cairns

Fri 7/8

19:15-14:36

2 stops34h 21m

$2,145

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 21/8

06:00-22:30

2 stops49h 30m

Cairns

Fri 28/8

12:35-22:59

2 stops49h 24m

$2,196

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sun 26/7

13:14-15:00

3 stops34h 46m

Cairns

Sun 2/8

21:40-23:59

2 stops41h 19m

$2,223

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 18/8

09:20-22:25

3 stops46h 05m

Cairns

Tue 25/8

09:25-06:17

2 stops35h 52m

$2,255

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 17/8

15:40-16:55

2 stops34h 15m

Cairns

Mon 24/8

13:55-14:36

2 stops39h 41m

$2,349

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Fri 21/8

08:42-15:55

2 stops40h 13m

Cairns

Fri 28/8

06:00-15:31

3 stops48h 31m

$2,415

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

15:40-11:10

2 stops28h 30m

Cairns

Fri 7/8

19:15-14:36

2 stops34h 21m

$2,427

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 13/11

15:20-11:05

2 stops27h 45m

Cairns

Sun 22/11

17:40-16:51

2 stops39h 11m

$2,740

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 10/11

15:20-11:05

2 stops27h 45m

Cairns

Sun 22/11

17:40-16:51

2 stops39h 11m

$2,740

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 8/11

15:20-11:05

2 stops27h 45m

Cairns

Sun 22/11

17:40-16:51

2 stops39h 11m

$2,740

Flights are sorted by cheapest return flights first.

Deals found on 5/7

Showing 1-10 of 19 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 Air Canada fly from Illinois to Cairns in about 28h 30m. 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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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.

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