Find flights
When to book
FAQs

Cheap flights from Illinois to Cairns from $1,526

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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
24 Aug — 31 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 25 July 2026.

Mon 7/919:07
ORD
-
CNS
2 stops26h 48m
Multiple Airlines
Mon 14/907:00
CNS
-
ORD
2 stops27h 36m
Multiple Airlines
Deal found 24/7$1,796
Wed 19/815:22
ORD
-
CNS
2 stops28h 13m
American Airlines
Wed 26/813:55
CNS
-
ORD
2 stops30h 05m
American Airlines
Deal found 20/7$1,807
Tue 8/916:57
ORD
-
CNS
2 stops28h 58m
American Airlines
Tue 15/913:55
CNS
-
ORD
2 stops30h 05m
American Airlines
Deal found 24/7$1,813
Tue 28/717:10
ORD
-
CNS
2 stops30h 50m
American Airlines
Fri 7/815:45
CNS
-
ORD
2 stops30h 21m
American Airlines
Deal found 22/7$1,879
Fri 4/917:16
ORD
-
CNS
2 stops26h 19m
Qantas Airways
Sun 13/911:20
CNS
-
ORD
2 stops43h 33m
Qantas Airways
Deal found 22/7$2,036
Tue 8/917:16
ORD
-
CNS
2 stops26h 19m
Multiple Airlines
Tue 15/915:45
CNS
-
ORD
2 stops28h 15m
Multiple Airlines
Deal found 24/7$2,065
Tue 8/919:48
ORD
-
CNS
2 stops24h 22m
Air Canada
Tue 15/916:35
CNS
-
ORD
3 stops54h 25m
Air Canada
Deal found 24/7$2,086
Tue 28/717:10
ORD
-
CNS
2 stops26h 25m
Qantas Airways
Fri 7/812:35
CNS
-
ORD
2 stops42h 19m
Qantas Airways
Deal found 24/7$2,095
Sat 5/910:16
STL
-
CNS
2 stops35h 39m
Qantas Airways
Sat 12/906:50
CNS
-
STL
2 stops27h 17m
Qantas Airways
Deal found 22/7$2,406
Thu 19/1110:21
STL
-
CNS
2 stops32h 44m
American Airlines
Sat 12/1206:00
CNS
-
STL
2 stops29h 27m
American Airlines
Deal found 22/7$2,467
Wed 18/1119:05
STL
-
CNS
2 stops26h 55m
United Airlines
Sat 12/1206:00
CNS
-
STL
2 stops27h 53m
United Airlines
Deal found 21/7$2,469
Wed 18/1119:05
STL
-
CNS
2 stops24h 15m
Multiple Airlines
Sat 12/1215:50
CNS
-
STL
2 stops36h 42m
Multiple Airlines
Deal found 23/7$2,479

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 25 July 2026.

Round-trip from

$1,796

One-way from

$1,526
7/9-14/9
  • 7/9-14/9
  • 4 total stops
  • 54h 24m total
  • Illinois to Cairns
Search Deals
7/9
  • 7/9
  • 2 total stops
  • 26h 19m 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 25 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

Fri 4/9

17:16-10:35

2 stops26h 19m

Cairns

Sun 13/9

11:20-15:53

2 stops43h 33m

$2,036

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 8/9

17:16-10:35

2 stops26h 19m

Cairns

Tue 15/9

15:45-05:00

2 stops28h 15m

$2,065

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 8/9

19:48-11:10

2 stops24h 22m

Cairns

Tue 15/9

16:35-08:00

3 stops54h 25m

$2,106
Fastest return journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 19/8

17:16-10:35

2 stops26h 19m

Cairns

Wed 26/8

11:20-23:30

3 stops27h 10m

$2,132

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 19/11

10:21-11:05

2 stops32h 44m

Cairns

Sat 12/12

06:00-19:27

2 stops29h 27m

$2,467

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Wed 18/11

19:05-14:00

2 stops26h 55m

Cairns

Sat 12/12

06:00-17:53

2 stops27h 53m

$2,469

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Wed 18/11

19:05-11:20

2 stops24h 15m

Cairns

Sat 12/12

15:50-12:32

2 stops36h 42m

$2,479

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 5/9

08:55-05:35

2 stops29h 40m

Cairns

Sat 12/9

19:10-14:00

3 stops57h 50m

$2,482

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Wed 18/11

14:28-11:20

3 stops28h 52m

Cairns

Sat 12/12

06:00-19:27

2 stops29h 27m

$2,811

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 19/11

14:23-11:05

3 stops28h 42m

Cairns

Sat 12/12

06:00-16:36

2 stops26h 36m

$2,881

Flights are sorted by cheapest return flights first.

Deals found on 24/7

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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, Air Canada, and American Airlines fly from Illinois to Cairns in about 24h 22m. The time it takes to get you to your destination can typically vary by up to 8h 22m. 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.