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Cheap flights from Illinois to Cairns from $1,364

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 29/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

$1,904

One-way from

$1,364
Fiji Airways
  • Fiji Airways
  • 11/10-18/10
  • 4 total stops
  • 50h 44m total
  • Illinois to Cairns
Search Deals
29/12
  • 29/12
  • 2 total stops
  • 46h 37m total
  • Illinois to Cairns
Search Deals

Find flight deals from Illinois to Cairns

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 29 August 2025.

Sat 11/1017:09STL - CNS
2 stops27h 31mFiji Airways
Sat 18/1012:40CNS - STL
2 stops23h 13mFiji Airways
Deal found 27/8$1,904
Thu 13/1118:13STL - CNS
2 stops25h 22mFiji Airways
Mon 17/1112:35CNS - STL
2 stops27h 07mFiji Airways
Deal found 26/8$1,971
Sat 11/1019:01ORD - CNS
2 stops25h 39mFiji Airways
Sat 18/1012:40CNS - ORD
2 stops23h 34mFiji Airways
Deal found 27/8$2,019
Mon 20/1015:45ORD - CNS
2 stops28h 20mMultiple Airlines
Wed 5/1106:00CNS - ORD
2 stops24h 41mMultiple Airlines
Deal found 28/8$2,393
Mon 20/1014:00ORD - CNS
3 stops33h 15mAir Canada
Wed 5/1106:00CNS - ORD
2 stops26h 44mAir Canada
Deal found 28/8$2,515
Sat 11/1017:09STL - CNS
2 stops27h 31mMultiple Airlines
Sat 18/1006:00CNS - STL
3 stops32h 05mMultiple Airlines
Deal found 27/8$2,540
Sat 11/1015:14ORD - CNS
2 stops30h 46mQantas Airways
Sat 18/1015:35CNS - ORD
3 stops52h 59mQantas Airways
Deal found 27/8$3,069
Sat 11/1019:20ORD - CNS
3 stops46h 25mMultiple Airlines
Sat 18/1010:00CNS - ORD
3 stops67h 50mMultiple Airlines
Deal found 27/8$3,479
Thu 13/1116:05STL - CNS
3 stops54h 50mAir Canada
Mon 17/1117:35CNS - STL
3 stops61h 54mAir Canada
Deal found 27/8$3,614
Tue 16/1215:11ORD - CNS
2 stops28h 24mFiji Airways
Thu 25/1212:35CNS - ORD
2 stops22h 43mFiji Airways
Deal found 28/8$3,757
Tue 16/1215:11ORD - CNS
2 stops28h 24mFiji Airways
Mon 29/1212:35CNS - ORD
2 stops24h 34mFiji Airways
Deal found 28/8$3,834
Thu 18/1216:34ORD - CNS
2 stops27h 01mFiji Airways
Sat 27/1212:35CNS - ORD
2 stops24h 34mFiji Airways
Deal found 28/8$3,904

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 29 August 2025.
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

Sat 11/10

17:09-11:40

2 stops27h 31m

Cairns

Sat 18/10

12:40-20:53

2 stops23h 13m

$1,904

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 13/11

18:13-11:35

2 stops25h 22m

Cairns

Mon 17/11

12:35-23:42

2 stops27h 07m

$1,971

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 11/10

19:01-11:40

2 stops25h 39m

Cairns

Sat 18/10

12:40-21:14

2 stops23h 34m

$2,019

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 20/10

19:41-11:05

2 stops24h 24m

Cairns

Wed 5/11

06:00-14:41

2 stops24h 41m

$2,393

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 20/10

14:00-14:15

3 stops33h 15m

Cairns

Wed 5/11

06:00-14:41

2 stops24h 41m

$2,515

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 11/10

17:09-11:40

2 stops27h 31m

Cairns

Sat 18/10

06:00-23:05

3 stops32h 05m

$2,540

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 11/10

15:14-13:00

2 stops30h 46m

Cairns

Sat 18/10

15:35-05:34

3 stops52h 59m

$3,069

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 11/10

19:20-08:45

3 stops46h 25m

Cairns

Sat 18/10

10:00-14:50

3 stops67h 50m

$3,479

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 13/11

16:05-14:55

3 stops54h 50m

Cairns

Mon 17/11

17:35-15:29

3 stops61h 54m

$3,614

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 16/12

15:11-11:35

2 stops28h 24m

Cairns

Thu 25/12

12:35-19:18

2 stops22h 43m

$3,757

Flights are sorted by cheapest return flights first.

Deals found on 26/8

Showing 1-10 of 15 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 Fiji Airways and Air Canada fly from Illinois to Cairns in about 27h 31m. The time it takes to get you to your destination can typically vary by up to 5h 44m. Illinois and Cairns are separated by a distance of 14080 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.

  • What is the cheapest month to book a flight from Illinois to Cairns?

    Currently, March is the cheapest month in which you can book a flight from Illinois to Cairns (average of $166). Flying from Illinois to Cairns in October is currently the most expensive (average of $233). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Trinity Beach
Mission Beach

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