Find flights
When to book
FAQs

Cheap flights from Illinois to Cairns from $898

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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
8 Mar — 15 Mar1
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 6 February 2026.

Tue 28/719:50
ORD
-
CNS
2 stops24h 20m
Air Canada
Fri 7/806:00
CNS
-
ORD
2 stops23h 41m
Air Canada
Deal found 6/2$2,104
Mon 4/506:21
STL
-
CNS
2 stops37h 44m
Qantas Airways
Sun 9/817:40
CNS
-
STL
3 stops62h 11m
Qantas Airways
Deal found 4/2$2,128
Sun 22/316:49
ORD
-
CNS
2 stops27h 11m
Multiple Airlines
Sun 29/312:40
CNS
-
ORD
2 stops31h 57m
Multiple Airlines
Deal found 4/2$2,158
Sun 22/306:38
STL
-
CNS
2 stops43h 12m
Multiple Airlines
Sun 29/318:10
CNS
-
STL
2 stops44h 48m
Multiple Airlines
Deal found 5/2$2,174
Mon 4/514:20
STL
-
CNS
3 stops32h 20m
Multiple Airlines
Sun 9/819:10
CNS
-
STL
3 stops57h 52m
Multiple Airlines
Deal found 6/2$2,270
Sat 21/216:13
STL
-
CNS
2 stops27h 37m
Qantas Airways
Tue 24/212:35
CNS
-
STL
2 stops46h 54m
Qantas Airways
Deal found 4/2$2,404
Tue 28/717:10
ORD
-
CNS
2 stops26h 25m
Multiple Airlines
Fri 7/811:20
CNS
-
ORD
3 stops27h 52m
Multiple Airlines
Deal found 6/2$2,404
Fri 13/216:49
ORD
-
CNS
2 stops26h 11m
Qantas Airways
Tue 17/215:35
CNS
-
ORD
2 stops45h 05m
Qantas Airways
Deal found 3/2$2,422
Fri 13/214:35
ORD
-
CNS
2 stops34h 15m
Cathay Pacific
Tue 17/211:25
CNS
-
ORD
1 stop41h 30m
Cathay Pacific
Deal found 3/2$4,940

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 6 February 2026.

Round-trip from

$2,104

One-way from

$898
Air Canada
  • Air Canada
  • 28/7-7/8
  • 4 total stops
  • 48h 01m total
  • Illinois to Cairns
Search Deals
8/6
  • 8/6
  • 2 total stops
  • 47h 20m 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 6 February 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

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

19:50-11:10

2 stops24h 20m

Cairns

Fri 7/8

06:00-14:41

2 stops23h 41m

$2,104

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:21-11:05

2 stops37h 44m

Cairns

Sun 9/8

17:40-16:51

3 stops62h 11m

$2,128

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 22/3

16:49-11:00

2 stops27h 11m

Cairns

Sun 29/3

12:40-05:37

2 stops31h 57m

$2,158

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sun 22/3

06:38-16:50

2 stops43h 12m

Cairns

Sun 29/3

18:10-23:58

2 stops44h 48m

$2,174

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

14:20-13:40

3 stops32h 20m

Cairns

Sun 9/8

19:10-14:02

3 stops57h 52m

$2,270

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 21/2

16:13-11:50

2 stops27h 37m

Cairns

Tue 24/2

12:35-19:29

2 stops46h 54m

$2,404

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

17:10-10:35

2 stops26h 25m

Cairns

Fri 7/8

11:20-00:12

3 stops27h 52m

$2,404

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

$15,206

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 8/6

21:20-11:40

2 stops47h 20m

$898

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 16/7

19:00-11:40

2 stops25h 40m

$1,226

Flights are sorted by cheapest return flights first.

Deals found on 3/2

Showing 1-10 of 11 results
1
2

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 and Qantas Airways fly from Illinois to Cairns in about 24h 20m. The time it takes to get you to your destination can typically vary by up to 13h 24m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Illinois to Cairns flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Cairns?

Millions of users choose and trust Cheapflights to book the best flight deals from Illinois to Cairns for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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?

Of course! You can now track prices for flights from Illinois to Cairns and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.