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

Fiji Airways, Qantas Airways, and Cathay Pacific are the most popular carriers operating from Illinois to Cairns

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 October 2025, 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.

$771 Cheap Flights from Illinois to Cairns in 2025/26

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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.

6:13 pm - 11:35 amSTL-CNS

25h 22m2 stops

12:35 pm - 11:42 pmCNS-STL

27h 07m2 stops

$1,568Fiji Airways

Find Deal

jue., nov. 13 - lun., nov. 17

4:45 pm - 11:35 amORD-CNS

26h 50m2 stops

12:35 pm - 10:36 amCNS-ORD

38h 01m2 stops

$1,646Multiple Airlines

Find Deal

jue., nov. 20 - jue., nov. 27

6:13 pm - 11:35 amSTL-CNS

25h 22m2 stops

12:35 pm - 11:42 pmCNS-STL

27h 07m2 stops

$1,653Fiji Airways

Find Deal

jue., nov. 13 - lun., nov. 17

3:45 pm - 2:10 pmORD-CNS

31h 25m2 stops

6:00 am - 2:41 pmCNS-ORD

24h 41m2 stops

$1,802Air Canada

Find Deal

lun., oct. 20 - mié., nov. 5

3:45 pm - 2:10 pmORD-CNS

31h 25m2 stops

6:05 pm - 9:13 amCNS-ORD

55h 08m3 stops

$1,858Multiple Airlines

Find Deal

lun., oct. 20 - mié., nov. 5

1:29 pm - 10:45 amSTL-CNS

29h 16m2 stops

6:00 am - 7:30 pmCNS-STL

29h 30m3 stops

$2,104Qantas Airways

Find Deal

vie., nov. 21 - vie., nov. 28

6:44 pm - 9:00 pmSTL-CNS

34h 16m2 stops

9:20 am - 7:29 pmCNS-STL

50h 09m2 stops

$2,544Qantas Airways

Find Deal

vie., dic. 26 - mar., ene. 6

1:35 pm - 2:00 pmSTL-CNS

32h 25m3 stops

6:00 am - 4:39 pmCNS-STL

26h 39m3 stops

$2,666Air Canada

Find Deal

vie., nov. 21 - vie., nov. 28

2:35 pm - 4:50 pmORD-CNS

34h 15m2 stops

11:25 am - 12:55 pmCNS-ORD

41h 30m1 stop

$3,153Cathay Pacific

Find Deal

lun., dic. 22 - sáb., dic. 27

2:35 pm - 9:55 amORD-CNS

27h 20m1 stop

11:25 am - 12:55 pmCNS-ORD

41h 30m1 stop

$3,161Cathay Pacific

Find Deal

dom., dic. 21 - sáb., dic. 27

Fiji Airways flights from Illinois to Cairns

Our best Fiji Airways deals on Illinois to Cairns flight tickets

Fiji Airways

Nov 13

STL6:13 pmLambert-St Louis

25h 22m

2 stops

CNS11:35 amCairns

Nov 17

CNS12:35 pmCairns

27h 07m

2 stops

STL11:42 pmLambert-St Louis

$1,568

Find similar

Fiji Airways

Nov 13

STL6:13 pmLambert-St Louis

25h 22m

2 stops

CNS11:35 amCairns

Nov 17

CNS12:35 pmCairns

27h 07m

2 stops

STL11:42 pmLambert-St Louis

$1,653

Find similar

Fiji Airways

Dec 23

ORD3:13 pmChicago O'Hare Intl

28h 22m

2 stops

CNS11:35 amCairns

Dec 29

CNS12:35 pmCairns

24h 34m

2 stops

ORD9:09 pmChicago O'Hare Intl

$2,306

Find similar

Air Canada flights from Illinois to Cairns

Our best Air Canada deals on Illinois to Cairns flight tickets

Air Canada

Oct 20

ORD3:45 pmChicago O'Hare Intl

28h 25m

2 stops

CNS11:10 amCairns

Nov 5

CNS6:00 amCairns

26h 44m

2 stops

ORD4:44 pmChicago O'Hare Intl

$1,742

Find similar

Air Canada

Oct 20

ORD3:45 pmChicago O'Hare Intl

31h 25m

2 stops

CNS2:10 pmCairns

Nov 5

CNS6:00 amCairns

24h 41m

2 stops

ORD2:41 pmChicago O'Hare Intl

$1,802

Find similar

Air Canada

Nov 21

STL1:35 pmLambert-St Louis

32h 25m

3 stops

CNS2:00 pmCairns

Nov 28

CNS6:00 amCairns

26h 39m

3 stops

STL4:39 pmLambert-St Louis

$2,666

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

jue. 11/13

6:13 pm-11:35 am

2 stops25h 22m

Cairns

lun. 11/17

12:35 pm-11:42 pm

2 stops27h 07m

$1,568

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

jue. 11/20

4:45 pm-11:35 am

2 stops26h 50m

Cairns

jue. 11/27

12:35 pm-10:36 am

2 stops38h 01m

$1,646

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

jue. 11/13

6:13 pm-11:35 am

2 stops25h 22m

Cairns

lun. 11/17

12:35 pm-11:42 pm

2 stops27h 07m

$1,653

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

lun. 10/20

3:45 pm-2:10 pm

2 stops31h 25m

Cairns

mié. 11/5

6:00 am-2:41 pm

2 stops24h 41m

$1,802

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

lun. 10/20

3:45 pm-2:10 pm

2 stops31h 25m

Cairns

mié. 11/5

6:05 pm-9:13 am

3 stops55h 08m

$1,858

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

vie. 11/21

1:29 pm-10:45 am

2 stops29h 16m

Cairns

vie. 11/28

6:00 am-7:30 pm

3 stops29h 30m

$2,104

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

vie. 12/26

6:44 pm-9:00 pm

2 stops34h 16m

Cairns

mar. 1/6

9:20 am-7:29 pm

2 stops50h 09m

$2,544

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

vie. 11/21

1:35 pm-2:00 pm

3 stops32h 25m

Cairns

vie. 11/28

6:00 am-4:39 pm

3 stops26h 39m

$2,666

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

lun. 12/22

2:35 pm-4:50 pm

2 stops34h 15m

Cairns

sáb. 12/27

11:25 am-12:55 pm

1 stop41h 30m

$3,153

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

dom. 12/21

2:35 pm-9:55 am

1 stop27h 20m

Cairns

sáb. 12/27

11:25 am-12:55 pm

1 stop41h 30m

$3,161

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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

Prices

Airlines

What is the cheapest day to depart on your flight to Cairns?

Our data shows that Friday is the least expensive day to fly to Cairns. Tickets to fly out on this day can be as low as $1,493. The most expensive day to fly to Cairns is Saturday, with ticket prices averaging around $2,994.

What is the cheapest time of day to depart on your flight to Cairns?

Our data shows that the cheapest Illinois to Cairns flights are usually those with departure times in the afternoon. Our users have found flights to Cairns in the afternoon for as low as $1,771. In the evening is when there is more demand to fly to Cairns, so prices are often more expensive at around $1,927 per ticket.

Cheap Illinois to Cairns flight deals and tips

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

Direct flights	None

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 October 2025, 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.