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Cheap flights from Illinois to Cairns from $745

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 30/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Illinois to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
21:15 - 15:55
ORD
-
CNS
51h 40m
2 stops
Multiple Airlines Logo
19:10 - 14:45
CNS
-
ORD
34h 35m
2 stops
$2,073Multiple Airlines
Sat, 23 May - Sun, 31 May
Multiple Airlines Logo
20:20 - 15:55
ORD
-
CNS
52h 35m
3 stops
Multiple Airlines Logo
19:10 - 14:45
CNS
-
ORD
34h 35m
2 stops
$2,077Multiple Airlines
Sat, 23 May - Sun, 31 May
Multiple Airlines Logo
06:21 - 11:15
STL
-
CNS
37h 54m
2 stops
Multiple Airlines Logo
21:10 - 23:59
CNS
-
STL
41h 49m
2 stops
$2,104Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
20:20 - 15:55
ORD
-
CNS
52h 35m
2 stops
Multiple Airlines Logo
06:00 - 14:45
CNS
-
ORD
23h 45m
2 stops
$2,124Multiple Airlines
Sat, 23 May - Fri, 29 May
Air Canada Logo
20:20 - 15:55
ORD
-
CNS
52h 35m
3 stops
Air Canada Logo
06:00 - 14:45
CNS
-
ORD
23h 45m
2 stops
$2,130Air Canada
Sat, 23 May - Fri, 29 May
Multiple Airlines Logo
07:09 - 13:40
ORD
-
CNS
39h 31m
3 stops
Multiple Airlines Logo
19:10 - 14:45
CNS
-
ORD
34h 35m
2 stops
$2,133Multiple Airlines
Mon, 25 May - Sun, 31 May
Multiple Airlines Logo
16:03 - 11:40
ORD
-
CNS
28h 37m
2 stops
Multiple Airlines Logo
21:10 - 22:04
CNS
-
ORD
39h 54m
2 stops
$2,134Multiple Airlines
Tue, 5 May - Tue, 12 May
Multiple Airlines Logo
15:40 - 11:10
ORD
-
CNS
28h 30m
2 stops
Multiple Airlines Logo
15:45 - 14:45
CNS
-
ORD
38h 00m
2 stops
$2,146Multiple Airlines
Sat, 23 May - Sat, 30 May
Multiple Airlines Logo
19:48 - 16:55
ORD
-
CNS
30h 07m
2 stops
Multiple Airlines Logo
16:35 - 14:41
CNS
-
ORD
37h 06m
2 stops
$2,147Multiple Airlines
Sat, 29 Aug - Wed, 2 Sep
Qantas Airways Logo
06:21 - 10:35
STL
-
CNS
37h 14m
2 stops
Qantas Airways Logo
13:40 - 23:57
CNS
-
STL
49h 17m
2 stops
$2,355Qantas Airways
Sat, 18 Apr - Sat, 25 Apr

Air Canada flights from Illinois to Cairns

Our best Air Canada deals on Illinois to Cairns flight tickets
Air Canada
23 May
ORD20:20Chicago O'Hare Intl
52h 35m
3 stops
CNS15:55Cairns
29 May
CNS06:00Cairns
23h 45m
2 stops
ORD14:45Chicago O'Hare Intl
$2,130
Air Canada
5 May
ORD13:01Chicago O'Hare Intl
35h 54m
3 stops
CNS15:55Cairns
12 May
CNS06:00Cairns
23h 45m
2 stops
ORD14:45Chicago O'Hare Intl
$2,199
Air Canada
3 Aug
ORD15:40Chicago O'Hare Intl
28h 30m
2 stops
CNS11:10Cairns
10 Aug
CNS19:15Cairns
34h 26m
2 stops
ORD14:41Chicago O'Hare Intl
$2,246

Qantas Airways flights from Illinois to Cairns

Our best Qantas Airways deals on Illinois to Cairns flight tickets
Qantas Airways
18 Apr
STL06:21Lambert-St Louis
37h 14m
2 stops
CNS10:35Cairns
25 Apr
CNS13:40Cairns
49h 17m
2 stops
STL23:57Lambert-St Louis
$2,355
Qantas Airways
25 Apr
STL15:38Lambert-St Louis
29h 12m
2 stops
CNS11:50Cairns
29 Apr
CNS13:40Cairns
42h 41m
2 stops
STL17:21Lambert-St Louis
$2,981
Qantas Airways
25 Apr
STL18:11Lambert-St Louis
27h 44m
2 stops
CNS12:55Cairns
29 Apr
CNS13:40Cairns
42h 41m
2 stops
STL17:21Lambert-St Louis
$3,214

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 23 March 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

Cheapest return flight

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 23/5

21:15-15:55

2 stops51h 40m

Cairns

Sun 31/5

19:10-14:45

2 stops34h 35m

$2,073

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 23/5

20:20-15:55

3 stops52h 35m

Cairns

Sun 31/5

19:10-14:45

2 stops34h 35m

$2,077

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Tue 5/5

06:21-11:15

2 stops37h 54m

Cairns

Tue 12/5

21:10-23:59

2 stops41h 49m

$2,104

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 23/5

20:20-15:55

2 stops52h 35m

Cairns

Fri 29/5

06:00-14:45

2 stops23h 45m

$2,124

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 23/5

20:20-15:55

3 stops52h 35m

Cairns

Fri 29/5

06:00-14:45

2 stops23h 45m

$2,130

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 25/5

07:09-13:40

3 stops39h 31m

Cairns

Sun 31/5

19:10-14:45

2 stops34h 35m

$2,133

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 5/5

16:03-11:40

2 stops28h 37m

Cairns

Tue 12/5

21:10-22:04

2 stops39h 54m

$2,134
Fastest return journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 23/5

15:40-11:10

2 stops28h 30m

Cairns

Sat 30/5

15:45-14:45

2 stops38h 00m

$2,146

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 29/8

19:48-16:55

2 stops30h 07m

Cairns

Wed 2/9

16:35-14:41

2 stops37h 06m

$2,147

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Sat 18/4

06:21-10:35

2 stops37h 14m

Cairns

Sat 25/4

13:40-23:57

2 stops49h 17m

$2,355

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

28h 37m

Direct flights

None
The fastest flight from Illinois to Cairns takes 28h 37m
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.

  • How do I get Price Alerts for flights from Illinois to Cairns?

    Search flight deals from Illinois to Cairns. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Illinois to Cairns with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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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