Cheap flights from Illinois to Cairns from $578

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 3/4. 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
0 bags

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Cheap round-trip flights

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Qantas Airways Logo
5:10 pm - 11:00 am
ORD
-
CNS
25h 50m2 stops
Qantas Airways Logo
11:45 am - 11:59 pm
CNS
-
ORD
28h 14m2 stops
$1,355Qantas Airways
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
5:52 pm - 6:25 pm
ORD
-
CNS
33h 33m2 stops
Multiple Airlines Logo
6:45 am - 9:00 pm
CNS
-
ORD
29h 15m2 stops
$1,409Multiple Airlines
Sat, May 23 - Sat, Jun 6
Multiple Airlines Logo
5:10 pm - 11:00 am
ORD
-
CNS
25h 50m2 stops
Multiple Airlines Logo
9:20 am - 9:23 pm
CNS
-
ORD
28h 03m3 stops
$1,469Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Air Canada Logo
3:35 pm - 2:55 pm
ORD
-
CNS
31h 20m2 stops
Air Canada Logo
6:00 am - 4:38 pm
CNS
-
ORD
26h 38m2 stops
$1,627Air Canada
Sun, Feb 22 - Thu, Feb 26
Air Canada Logo
10:00 am - 2:55 pm
ORD
-
CNS
36h 55m3 stops
Air Canada Logo
6:00 am - 4:38 pm
CNS
-
ORD
26h 38m2 stops
$1,633Air Canada
Sun, Feb 22 - Thu, Feb 26
Air Canada Logo
10:00 am - 2:55 pm
ORD
-
CNS
36h 55m3 stops
Air Canada Logo
6:00 am - 4:38 pm
CNS
-
ORD
26h 38m2 stops
$1,634Air Canada
Sun, Feb 22 - Thu, Feb 26
Air Canada Logo
8:20 pm - 3:55 pm
ORD
-
CNS
52h 35m3 stops
Air Canada Logo
7:15 pm - 2:45 pm
CNS
-
ORD
34h 30m2 stops
$1,717Air Canada
Sat, May 23 - Sat, Jun 6
Cathay Pacific Logo
9:59 am - 9:55 am
STL
-
CNS
31h 56m2 stops
Cathay Pacific Logo
11:25 am - 11:48 pm
CNS
-
STL
28h 23m2 stops
$1,733Cathay Pacific
Tue, Feb 17 - Sat, Feb 21
Multiple Airlines Logo
6:50 pm - 8:30 am
ORD
-
CNS
45h 40m3 stops
Multiple Airlines Logo
9:45 am - 2:30 pm
CNS
-
ORD
44h 45m3 stops
$1,966Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Cathay Pacific Logo
2:35 pm - 9:55 am
ORD
-
CNS
27h 20m1 stop
Cathay Pacific Logo
11:25 am - 12:55 pm
CNS
-
ORD
41h 30m1 stop
$1,971Cathay Pacific
Sun, Feb 22 - Thu, Feb 26

Air Canada flights from Illinois to Cairns

Our best Air Canada deals on Illinois to Cairns flight tickets
Air Canada
Feb 22
ORD3:35 pmChicago O'Hare Intl
31h 20m
2 stops
CNS2:55 pmCairns
Feb 26
CNS6:00 amCairns
26h 38m
2 stops
ORD4:38 pmChicago O'Hare Intl
Air Canada
Feb 22
ORD10:00 amChicago O'Hare Intl
36h 55m
3 stops
CNS2:55 pmCairns
Feb 26
CNS6:00 amCairns
26h 38m
2 stops
ORD4:38 pmChicago O'Hare Intl
Air Canada
Feb 22
ORD10:00 amChicago O'Hare Intl
36h 55m
3 stops
CNS2:55 pmCairns
Feb 26
CNS6:00 amCairns
26h 38m
2 stops
ORD4:38 pmChicago O'Hare Intl

Qantas Airways flights from Illinois to Cairns

Our best Qantas Airways deals on Illinois to Cairns flight tickets
Qantas Airways
Jan 30
ORD5:10 pmChicago O'Hare Intl
25h 50m
2 stops
CNS11:00 amCairns
Feb 6
CNS11:45 amCairns
28h 14m
2 stops
ORD11:59 pmChicago O'Hare Intl
Qantas Airways
Jan 25
ORD9:02 amChicago O'Hare Intl
33h 58m
2 stops
CNS11:00 amCairns
Feb 7
CNS6:00 amCairns
33h 59m
2 stops
ORD11:59 pmChicago O'Hare Intl
Qantas Airways
Jan 25
ORD2:15 pmChicago O'Hare Intl
31h 50m
2 stops
CNS2:05 pmCairns
Feb 7
CNS6:00 amCairns
27h 09m
3 stops
ORD5:09 pmChicago O'Hare Intl

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated December 18, 2025.
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

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 1/30

5:10 pm-11:00 am

2 stops25h 50m

Cairns

Fri 2/6

11:45 am-11:59 pm

2 stops28h 14m

$1,355

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/23

5:52 pm-6:25 pm

2 stops33h 33m

Cairns

Sat 6/6

6:45 am-9:00 pm

2 stops29h 15m

$1,409

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 1/30

5:10 pm-11:00 am

2 stops25h 50m

Cairns

Fri 2/6

9:20 am-9:23 pm

3 stops28h 03m

$1,469

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/22

3:35 pm-2:55 pm

2 stops31h 20m

Cairns

Thu 2/26

6:00 am-4:38 pm

2 stops26h 38m

$1,627

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/22

10:00 am-2:55 pm

3 stops36h 55m

Cairns

Thu 2/26

6:00 am-4:38 pm

2 stops26h 38m

$1,633

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/22

10:00 am-2:55 pm

3 stops36h 55m

Cairns

Thu 2/26

6:00 am-4:38 pm

2 stops26h 38m

$1,634

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/23

8:20 pm-3:55 pm

3 stops52h 35m

Cairns

Sat 6/6

7:15 pm-2:45 pm

2 stops34h 30m

$1,717

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Tue 2/17

9:59 am-9:55 am

2 stops31h 56m

Cairns

Sat 2/21

11:25 am-11:48 pm

2 stops28h 23m

$1,733

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 1/30

6:50 pm-8:30 am

3 stops45h 40m

Cairns

Fri 2/6

9:45 am-2:30 pm

3 stops44h 45m

$1,966

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 2/22

2:35 pm-9:55 am

1 stop27h 20m

Cairns

Thu 2/26

11:25 am-12:55 pm

1 stop41h 30m

$1,971

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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

Fastest flight time

25h 50m

Direct flights

None
The fastest flight from Illinois to Cairns takes 25h 50m
There are no direct flights from Illinois to Cairns. There are no popular flight routes 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?

  • 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.

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
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.

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1 adult
Sat 1/17
Sat 1/24

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