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Cheap flights from Illinois to Cairns from $898

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Cairns departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Qantas Airways Logo
06:21 - 11:05
STL
-
CNS
37h 44m
2 stops
Qantas Airways Logo
17:40 - 16:51
CNS
-
STL
62h 11m
3 stops
$2,128Qantas Airways
Mon, 4 May - Sun, 9 Aug
Qantas Airways Logo
06:21 - 11:05
STL
-
CNS
37h 44m
2 stops
Qantas Airways Logo
18:20 - 16:51
CNS
-
STL
37h 31m
2 stops
$2,141Qantas Airways
Mon, 4 May - Sun, 9 Aug
Qantas Airways Logo
06:21 - 16:55
STL
-
CNS
43h 34m
2 stops
Qantas Airways Logo
18:20 - 16:51
CNS
-
STL
37h 31m
2 stops
$2,143Qantas Airways
Mon, 4 May - Sun, 9 Aug
Multiple Airlines Logo
16:49 - 11:00
ORD
-
CNS
27h 11m
2 stops
Multiple Airlines Logo
12:40 - 05:37
CNS
-
ORD
31h 57m
2 stops
$2,158Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Multiple Airlines Logo
06:38 - 16:50
STL
-
CNS
43h 12m
2 stops
Multiple Airlines Logo
18:10 - 23:58
CNS
-
STL
44h 48m
2 stops
$2,174Multiple Airlines
Sun, 22 Mar - Sun, 29 Mar
Qantas Airways Logo
15:38 - 11:50
STL
-
CNS
29h 12m
2 stops
Qantas Airways Logo
18:20 - 16:51
CNS
-
STL
37h 31m
2 stops
$2,266Qantas Airways
Mon, 4 May - Sun, 9 Aug
Multiple Airlines Logo
14:20 - 13:40
STL
-
CNS
32h 20m
3 stops
Multiple Airlines Logo
19:15 - 14:02
CNS
-
STL
57h 47m
3 stops
$2,272Multiple Airlines
Mon, 4 May - Sun, 9 Aug
Qantas Airways Logo
06:21 - 11:50
STL
-
CNS
38h 29m
2 stops
Qantas Airways Logo
18:20 - 18:29
CNS
-
STL
39h 09m
2 stops
$2,282Qantas Airways
Mon, 4 May - Sun, 9 Aug
Qantas Airways Logo
16:13 - 11:50
STL
-
CNS
27h 37m
2 stops
Qantas Airways Logo
12:35 - 19:29
CNS
-
STL
46h 54m
2 stops
$2,404Qantas Airways
Sat, 21 Feb - Tue, 24 Feb
Qantas Airways Logo
11:46 - 16:15
STL
-
CNS
36h 29m
2 stops
Qantas Airways Logo
12:35 - 19:29
CNS
-
STL
46h 54m
2 stops
$2,405Qantas Airways
Sat, 21 Feb - Tue, 24 Feb

Qantas Airways flights from Illinois to Cairns

Our best Qantas Airways deals on Illinois to Cairns flight tickets
Qantas Airways
4 May
STL06:21Lambert-St Louis
37h 44m
2 stops
CNS11:05Cairns
9 Aug
CNS17:40Cairns
62h 11m
3 stops
STL16:51Lambert-St Louis
$2,128
Qantas Airways
4 May
STL06:21Lambert-St Louis
37h 44m
2 stops
CNS11:05Cairns
9 Aug
CNS18:20Cairns
37h 31m
2 stops
STL16:51Lambert-St Louis
$2,141
Qantas Airways
4 May
STL06:21Lambert-St Louis
43h 34m
2 stops
CNS16:55Cairns
9 Aug
CNS18:20Cairns
37h 31m
2 stops
STL16:51Lambert-St Louis
$2,143

Cathay Pacific flights from Illinois to Cairns

Our best Cathay Pacific deals on Illinois to Cairns flight tickets
Cathay Pacific
13 Feb
ORD14:35Chicago O'Hare Intl
34h 15m
2 stops
CNS16:50Cairns
17 Feb
CNS11:25Cairns
41h 30m
1 stop
ORD12:55Chicago O'Hare Intl
$4,940
Cathay Pacific
13 Feb
ORD14:35Chicago O'Hare Intl
34h 15m
2 stops
CNS16:50Cairns
17 Feb
CNS11:25Cairns
41h 30m
1 stop
ORD12:55Chicago O'Hare Intl
$4,942

momondo 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, momondo users made 78,305 searches. Data last updated 5 February 2026.
Use the filters below to find and compare flights from Illinois to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:21-11:05

2 stops37h 44m

Cairns

Sun 9/8

17:40-16:51

3 stops62h 11m

$2,128

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:21-11:05

2 stops37h 44m

Cairns

Sun 9/8

18:20-16:51

2 stops37h 31m

$2,141

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:21-16:55

2 stops43h 34m

Cairns

Sun 9/8

18:20-16:51

2 stops37h 31m

$2,143

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 22/3

16:49-11:00

2 stops27h 11m

Cairns

Sun 29/3

12:40-05:37

2 stops31h 57m

$2,158

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sun 22/3

06:38-16:50

2 stops43h 12m

Cairns

Sun 29/3

18:10-23:58

2 stops44h 48m

$2,174

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

15:38-11:50

2 stops29h 12m

Cairns

Sun 9/8

18:20-16:51

2 stops37h 31m

$2,266

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

14:20-13:40

3 stops32h 20m

Cairns

Sun 9/8

19:15-14:02

3 stops57h 47m

$2,272

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 4/5

06:21-11:50

2 stops38h 29m

Cairns

Sun 9/8

18:20-18:29

2 stops39h 09m

$2,282

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 21/2

16:13-11:50

2 stops27h 37m

Cairns

Tue 24/2

12:35-19:29

2 stops46h 54m

$2,404

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 21/2

11:46-16:15

2 stops36h 29m

Cairns

Tue 24/2

12:35-19:29

2 stops46h 54m

$2,405

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Cairns from

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 updated daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Cairns Airport.

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

    The necessary travel and health documents for your Cairns Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Travelling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Palm Cove
Trinity Beach
Mission Beach

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Illinois to Cairns . Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo enables you to select and highlight flights to Cairns from Illinois with this policy.

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

momondo provides multiple filters to help you find the best flight to Cairns from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Cairns from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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