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Cheap flights from Illinois to Cairns from $2,002

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
5 Feb — 12 Feb1
1 adult
1 adult, Economy, 0 bags

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 6 January 2026.

Round-trip from

$2,002

One-way from

$1,106
14/4-21/4
  • 14/4-21/4
  • 4 total stops
  • 57h 00m total
  • Illinois to Cairns
Search Deals
13/2
  • 13/2
  • 3 total stops
  • 34h 51m total
  • Illinois to Cairns
Search Deals

Find 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 January 2026.

Tue 14/416:30ORD - CNS
2 stops27h 35mMultiple Airlines
Tue 21/415:35CNS - ORD
2 stops29h 25mMultiple Airlines
Deal found 5/1$2,002
Tue 14/414:00ORD - CNS
3 stops34h 55mAir Canada
Tue 21/406:00CNS - ORD
2 stops28h 58mAir Canada
Deal found 5/1$2,120
Wed 18/315:35ORD - CNS
2 stops31h 15mMultiple Airlines
Sun 22/306:00CNS - ORD
2 stops23h 41mMultiple Airlines
Deal found 6/1$2,131
Mon 4/506:20STL - CNS
2 stops37h 45mQantas Airways
Sun 9/812:35CNS - STL
2 stops49h 33mQantas Airways
Deal found 4/1$2,147
Wed 18/215:35ORD - CNS
2 stops30h 30mMultiple Airlines
Wed 25/206:00CNS - ORD
2 stops24h 41mMultiple Airlines
Deal found 4/1$2,170
Thu 19/206:38STL - CNS
2 stops34h 42mMultiple Airlines
Thu 26/218:45CNS - STL
2 stops40h 44mMultiple Airlines
Deal found 5/1$2,215
Mon 16/206:38STL - CNS
2 stops42h 12mQantas Airways
Fri 20/211:35CNS - STL
2 stops52h 24mQantas Airways
Deal found 5/1$2,497
Thu 19/208:41STL - CNS
3 stops37h 19mAir Canada
Thu 26/206:00CNS - STL
3 stops26h 58mAir Canada
Deal found 5/1$2,980
Mon 13/706:36STL - CNS
2 stops49h 14mQantas Airways
Tue 21/712:35CNS - STL
2 stops50h 24mQantas Airways
Deal found 5/1$3,014
Mon 13/708:55STL - CNS
2 stops28h 35mMultiple Airlines
Tue 21/706:00CNS - STL
3 stops29h 02mMultiple Airlines
Deal found 5/1$3,017
Fri 13/213:24ORD - CNS
2 stops29h 36mQantas Airways
Tue 17/212:35CNS - ORD
2 stops33h 03mQantas Airways
Deal found 5/1$3,359

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 January 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 14/4

16:30-11:05

2 stops27h 35m

Cairns

Tue 21/4

15:35-06:00

2 stops29h 25m

$2,002

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 14/4

14:00-15:55

3 stops34h 55m

Cairns

Tue 21/4

06:00-19:58

2 stops28h 58m

$2,120

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:20-11:05

2 stops37h 45m

Cairns

Sun 9/8

12:35-23:08

2 stops49h 33m

$2,147

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 18/2

15:35-14:05

2 stops30h 30m

Cairns

Wed 25/2

06:00-14:41

2 stops24h 41m

$2,170

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 19/2

06:38-09:20

2 stops34h 42m

Cairns

Thu 26/2

18:45-19:29

2 stops40h 44m

$2,215

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 16/2

06:38-21:00

2 stops46h 22m

Cairns

Fri 20/2

11:35-23:59

2 stops52h 24m

$2,497

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Thu 19/2

08:41-14:00

3 stops37h 19m

Cairns

Thu 26/2

06:00-16:58

3 stops26h 58m

$2,980

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 13/2

13:24-11:50

2 stops30h 26m

Cairns

Tue 17/2

09:20-23:47

2 stops30h 27m

$3,359

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 13/2

11:11-14:55

3 stops35h 44m

Cairns

Tue 17/2

06:00-14:41

2 stops24h 41m

$3,698

Flights are sorted by cheapest return flights first.

Deals found on 5/1

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 34h 55m. The time it takes to get you to your destination can typically vary by up to 2h 50m. 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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Fly with Cheapflights

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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?

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