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Cheap flights from Illinois to Cairns from $1,968

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
15 Mar — 22 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 13 February 2026.

Thu 7/516:30
ORD
-
CNS
2 stops27h 05m
Multiple Airlines
Mon 25/515:45
CNS
-
ORD
2 stops28h 15m
Multiple Airlines
Deal found 11/2$1,968
Wed 21/1015:40
ORD
-
CNS
2 stops32h 15m
Multiple Airlines
Sat 31/1015:50
CNS
-
ORD
2 stops38h 51m
Multiple Airlines
Deal found 11/2$1,994
Thu 7/515:40
ORD
-
CNS
2 stops33h 15m
Air Canada
Mon 25/506:00
CNS
-
ORD
2 stops38h 47m
Air Canada
Deal found 12/2$2,060
Wed 21/1014:15
ORD
-
CNS
3 stops33h 40m
Air Canada
Sat 31/1006:00
CNS
-
ORD
2 stops23h 41m
Air Canada
Deal found 12/2$2,072
Mon 4/506:21
STL
-
CNS
2 stops41h 39m
Qantas Airways
Sun 9/818:20
CNS
-
STL
2 stops43h 48m
Qantas Airways
Deal found 10/2$2,098
Tue 5/506:21
STL
-
CNS
2 stops37h 14m
Qantas Airways
Tue 12/513:40
CNS
-
STL
2 stops42h 41m
Qantas Airways
Deal found 11/2$2,115
Thu 7/510:30
ORD
-
CNS
2 stops33h 15m
Air New Zealand
Mon 25/506:00
CNS
-
ORD
3 stops34h 15m
Air New Zealand
Deal found 12/2$2,118
Thu 7/516:00
ORD
-
CNS
2 stops27h 45m
Air New Zealand
Tue 26/511:55
CNS
-
ORD
2 stops24h 45m
Air New Zealand
Deal found 11/2$2,156
Sat 21/206:38
STL
-
CNS
2 stops60h 07m
Qantas Airways
Tue 24/215:35
CNS
-
STL
2 stops43h 54m
Qantas Airways
Deal found 9/2$2,214
Tue 5/506:21
STL
-
CNS
2 stops42h 34m
Multiple Airlines
Tue 12/506:00
CNS
-
STL
3 stops32h 59m
Multiple Airlines
Deal found 11/2$2,278
Thu 7/506:21
STL
-
CNS
2 stops45h 04m
Multiple Airlines
Tue 12/510:15
CNS
-
STL
2 stops28h 44m
Multiple Airlines
Deal found 11/2$2,299
Thu 7/515:40
ORD
-
CNS
2 stops33h 15m
Air Canada
Sun 24/506:00
CNS
-
ORD
2 stops23h 45m
Air Canada
Deal found 11/2$2,301

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 13 February 2026.

Round-trip from

$1,968
7/5-25/5
  • 7/5-25/5
  • 4 total stops
  • 55h 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 13 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

Thu 7/5

16:30-10:35

2 stops27h 05m

Cairns

Mon 25/5

15:45-05:00

2 stops28h 15m

$1,968

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:21-15:00

2 stops41h 39m

Cairns

Sun 9/8

18:20-23:08

2 stops43h 48m

$2,098

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Tue 5/5

06:21-10:35

2 stops37h 14m

Cairns

Tue 12/5

13:40-17:21

2 stops42h 41m

$2,115

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 7/5

16:00-10:45

2 stops27h 45m

Cairns

Tue 26/5

11:55-21:40

2 stops24h 45m

$2,156

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Tue 5/5

06:21-15:55

2 stops42h 34m

Cairns

Tue 12/5

06:00-23:59

3 stops32h 59m

$2,278

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 7/5

06:21-18:25

2 stops45h 04m

Cairns

Tue 12/5

10:15-23:59

2 stops28h 44m

$2,299

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 7/5

15:40-15:55

2 stops33h 15m

Cairns

Sun 24/5

06:00-14:45

2 stops23h 45m

$2,301

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 7/5

06:21-15:55

3 stops42h 34m

Cairns

Tue 12/5

09:25-23:59

3 stops29h 34m

$2,414

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

14:20-18:25

3 stops37h 05m

Cairns

Sun 9/8

19:10-14:02

3 stops57h 52m

$2,447

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 28/3

07:00-11:40

2 stops37h 40m

Cairns

Sat 4/4

11:40-14:55

1 stop42h 15m

$5,727

Flights are sorted by cheapest return flights first.

Deals found on 11/2

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 Air Canada, Qantas Airways, and Air New Zealand fly from Illinois to Cairns in about 33h 15m. The time it takes to get you to your destination can typically vary by up to 8h 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

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