When did momondo last update prices for flights from Illinois to Cairns Airport?

Prices for flights from Illinois to Cairns Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Illinois to Cairns Airport?

As of February 2026, there is 1 operator available to choose from for flights from Illinois to Cairns Airport.

How old do you have to be to fly from Illinois to Cairns Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Cairns Airport.

What documentation or ID do you need to fly to Cairns Airport?

The travel and health documents you'll need for your trip to Cairns Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cairns Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$854 Cheap Flights from Illinois to Cairns in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Illinois to Cairns

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:44 pm - 11:00 am

ORD

CNS

27h 16m

2 stops

6:40 am - 11:47 pm

CNS

ORD

32h 07m

2 stops

$1,513Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

6:38 am - 11:05 pm

STL

CNS

49h 27m

2 stops

6:40 am - 7:29 pm

CNS

STL

27h 49m

2 stops

$1,538Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

3:36 pm - 11:50 am

STL

CNS

29h 14m

2 stops

6:20 pm - 6:29 pm

CNS

STL

39h 09m

2 stops

$1,576Qantas Airways

Mon, May 4 - Sun, Aug 9

3:38 pm - 11:50 am

STL

CNS

29h 12m

2 stops

6:20 pm - 4:51 pm

CNS

STL

37h 31m

2 stops

$1,579Qantas Airways

Mon, May 4 - Sun, Aug 9

6:21 am - 11:50 am

STL

CNS

38h 29m

2 stops

6:20 pm - 6:29 pm

CNS

STL

39h 09m

2 stops

$1,590Qantas Airways

Mon, May 4 - Sun, Aug 9

4:44 pm - 11:20 am

ORD

CNS

27h 36m

2 stops

6:00 am - 5:46 pm

CNS

ORD

50h 46m

3 stops

$1,648Multiple Airlines

Wed, Mar 18 - Wed, Mar 25

11:46 am - 4:15 pm

STL

CNS

36h 29m

2 stops

12:35 pm - 7:29 pm

CNS

STL

46h 54m

2 stops

$1,674Qantas Airways

Sat, Feb 21 - Tue, Feb 24

2:35 pm - 4:50 pm

ORD

CNS

34h 15m

2 stops

11:25 am - 12:55 pm

CNS

ORD

41h 30m

1 stop

$3,444Cathay Pacific

Fri, Feb 13 - Tue, Feb 17

2:35 pm - 4:50 pm

ORD

CNS

34h 15m

2 stops

11:25 am - 12:55 pm

CNS

ORD

41h 30m

1 stop

$3,552Cathay Pacific

Fri, Feb 13 - Tue, Feb 17

2:00 pm - 2:55 pm

ORD

CNS

32h 55m

3 stops

6:00 am - 2:41 pm

CNS

ORD

24h 41m

2 stops

$5,747Air Canada

Fri, Feb 13 - Tue, Feb 17

Qantas Airways flights from Illinois to Cairns

Our best Qantas Airways deals on Illinois to Cairns flight tickets

Qantas Airways

May 4

STL3:36 pmLambert-St Louis

29h 14m

2 stops

CNS11:50 amCairns

Aug 9

CNS6:20 pmCairns

39h 09m

2 stops

STL6:29 pmLambert-St Louis

$1,576

Qantas Airways

May 4

STL3:38 pmLambert-St Louis

29h 12m

2 stops

CNS11:50 amCairns

Aug 9

CNS6:20 pmCairns

37h 31m

2 stops

STL4:51 pmLambert-St Louis

$1,579

Qantas Airways

May 4

STL6:21 amLambert-St Louis

38h 29m

2 stops

CNS11:50 amCairns

Aug 9

CNS6:20 pmCairns

39h 09m

2 stops

STL6:29 pmLambert-St Louis

$1,590

Air Canada flights from Illinois to Cairns

Our best Air Canada deals on Illinois to Cairns flight tickets

Air Canada

Feb 13

ORD2:00 pmChicago O'Hare Intl

32h 55m

3 stops

CNS2:55 pmCairns

Feb 17

CNS6:00 amCairns

24h 41m

2 stops

ORD2:41 pmChicago O'Hare Intl

$5,747

Air Canada

Feb 13

ORD10:00 amChicago O'Hare Intl

36h 55m

3 stops

CNS2:55 pmCairns

Feb 17

CNS6:00 amCairns

24h 41m

2 stops

ORD2:41 pmChicago O'Hare Intl

$5,779

Air Canada

Jun 2

ORD3:40 pmChicago O'Hare Intl

33h 15m

2 stops

CNS3:55 pmCairns

Jun 22

CNS6:00 amCairns

23h 41m

2 stops

ORD2:41 pmChicago O'Hare Intl

$5,972

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 3/18

4:44 pm-11:00 am

2 stops27h 16m

Cairns

Wed 3/25

6:40 am-11:47 pm

2 stops32h 07m

$1,513

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Wed 3/18

6:38 am-11:05 pm

2 stops49h 27m

Cairns

Wed 3/25

6:40 am-7:29 pm

2 stops27h 49m

$1,538

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

3:36 pm-11:50 am

2 stops29h 14m

Cairns

Sun 8/9

6:20 pm-6:29 pm

2 stops39h 09m

$1,576

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

3:38 pm-11:50 am

2 stops29h 12m

Cairns

Sun 8/9

6:20 pm-4:51 pm

2 stops37h 31m

$1,579

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 5/4

6:21 am-11:50 am

2 stops38h 29m

Cairns

Sun 8/9

6:20 pm-6:29 pm

2 stops39h 09m

$1,590

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 3/18

4:44 pm-11:20 am

2 stops27h 36m

Cairns

Wed 3/25

6:00 am-5:46 pm

3 stops50h 46m

$1,648

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 2/21

11:46 am-4:15 pm

2 stops36h 29m

Cairns

Tue 2/24

12:35 pm-7:29 pm

2 stops46h 54m

$1,674

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 2/13

2:35 pm-4:50 pm

2 stops34h 15m

Cairns

Tue 2/17

11:25 am-12:55 pm

1 stop41h 30m

$3,444

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 2/13

2:35 pm-4:50 pm

2 stops34h 15m

Cairns

Tue 2/17

11:25 am-12:55 pm

1 stop41h 30m

$3,552

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 2/13

2:00 pm-2:55 pm

3 stops32h 55m

Cairns

Tue 2/17

6:00 am-2:41 pm

2 stops24h 41m

$5,747

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Illinois to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Cairns?

Fiji Airways is the most popular carrier operating from Illinois to Cairns

Cheap Illinois to Cairns flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Cairns

Fastest flight time	26h 11m
Direct flights	None

The fastest flight from Illinois to Cairns takes 26h 11m

There are no direct flights from Illinois to Cairns. There are no popular flight routes from Illinois to Cairns.

Search flight deals

When did momondo last update prices for flights from Illinois to Cairns Airport?
Prices for flights from Illinois to Cairns Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Illinois to Cairns Airport?
As of February 2026, there is 1 operator available to choose from for flights from Illinois to Cairns Airport.
How old do you have to be to fly from Illinois to Cairns Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Cairns Airport.
What documentation or ID do you need to fly to Cairns Airport?
The travel and health documents you'll need for your trip to Cairns Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cairns Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Port Douglas

Mission Beach

Palm Cove

Trinity Beach

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Cairns?

It is quick and easy to find Illinois to Cairns flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Cairns that suits you.

Can I find flights from Illinois to Cairns with flexible booking policies on momondo?

Yes. All flights to Cairns from Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Illinois to Cairns?

Once you have performed a search for Illinois to Cairns flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Cairns right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Cairns now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cairns and let you know when they change.