Find flights
When to book
FAQs

Cheap flights from Illinois to Cairns from $2,225

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNS
22 Jan — 29 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Cairns

Enter your travel dates to find the best prices.

Best flights from Illinois to Cairns
Discover carefully curated flight deals from Illinois to Cairns that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 23 December 2025.

Wed 4/215:35ORD - CNS
2 stops30h 25mMultiple Airlines
Wed 11/206:00CNS - ORD
2 stops24h 41mMultiple Airlines
Deal found 20/12$2,225
Sun 15/206:30STL - CNS
2 stops35h 25mCathay Pacific
Thu 19/211:25CNS - STL
2 stops28h 23mCathay Pacific
Deal found 20/12$2,264
Sat 21/215:35ORD - CNS
2 stops31h 20mAir Canada
Wed 25/206:00CNS - ORD
2 stops26h 38mAir Canada
Deal found 20/12$2,598
Thu 5/215:35ORD - CNS
2 stops30h 30mMultiple Airlines
Thu 12/206:00CNS - ORD
2 stops24h 41mMultiple Airlines
Deal found 22/12$2,302
Thu 5/214:35ORD - CNS
1 stop27h 20mCathay Pacific
Thu 12/211:25CNS - ORD
1 stop41h 30mCathay Pacific
Deal found 22/12$2,565

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 23 December 2025.

Round-trip from

$2,225
4/2-11/2
  • 4/2-11/2
  • 4 total stops
  • 55h 06m 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 23 December 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

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 4/2

15:35-14:00

2 stops30h 25m

Cairns

Wed 11/2

06:00-14:41

2 stops24h 41m

$2,225

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sun 15/2

06:30-09:55

2 stops35h 25m

Cairns

Thu 19/2

11:25-23:48

2 stops28h 23m

$2,264

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 5/2

15:35-14:05

2 stops30h 30m

Cairns

Thu 12/2

06:00-14:41

2 stops24h 41m

$2,302

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 5/2

14:35-09:55

1 stop27h 20m

Cairns

Thu 12/2

11:25-12:55

1 stop41h 30m

$2,565

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 21/2

15:35-14:55

2 stops31h 20m

Cairns

Wed 25/2

06:00-16:38

2 stops26h 38m

$2,598

Flights are sorted by cheapest return flights first.

Deals found on 20/12

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 Cathay Pacific and Air Canada fly from Illinois to Cairns in about 31h 20m. The time it takes to get you to your destination can typically vary by up to 4h 05m. 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.

Alternative routes for Illinois to Cairns

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Brisbane flights
Dallas/Fort Worth to Brisbane flights
San Francisco to Brisbane flights
Newark to Brisbane flights
John F Kennedy Intl to Brisbane flights
Ontario to Brisbane flights
Dulles Intl to Brisbane flights
Seattle to Brisbane flights
LaGuardia to Brisbane flights
Atlanta to Brisbane flights
Baltimore to Brisbane flights
Denver to Brisbane flights
Los Angeles to Coolangatta flights
Boston to Brisbane flights
San Francisco to Cairns flights
O'Hare Intl to Brisbane flights
Minneapolis to Brisbane flights
Orlando to Brisbane flights
Hobby to Brisbane flights
Honolulu to Brisbane flights
San Jose to Brisbane flights
George Bush Intcntl to Brisbane flights
Las Vegas to Brisbane flights
Detroit to Brisbane flights
Miami to Brisbane flights
John F Kennedy Intl to Coolangatta flights
Cincinnati to Brisbane flights
San Diego to Brisbane flights
Sky Harbor Intl to Brisbane flights
Salt Lake City to Brisbane flights
Raleigh to Brisbane flights
Oakland to Brisbane flights
Portland to Brisbane flights
Sacramento to Brisbane flights
Tampa to Brisbane flights
Dallas/Fort Worth to Coolangatta flights
Austin to Brisbane flights
Oklahoma City to Brisbane flights

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.