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Cheap flights from Illinois to Cairns from $1,576

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 26/8. 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

Find the cheapest flights from Illinois to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
19:48 - 11:10ORD  Chicago O'Hare Intl-CNS Cairns
24h 22m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
19:10 - 14:43CNS  Cairns-ORD Chicago O'Hare Intl
34h 33m2 stops Sydney Kingsford Smith Vancouver Intl
$1,950Multiple Airlines
Sun, 13 Sep - Sat, 19 Sep
Multiple Airlines Logo
19:48 - 11:10ORD  Chicago O'Hare Intl-CNS Cairns
24h 22m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
19:10 - 19:48CNS  Cairns-ORD Chicago O'Hare Intl
39h 38m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$1,963Multiple Airlines
Sun, 13 Sep - Sat, 19 Sep
Multiple Airlines Logo
19:48 - 16:55ORD  Chicago O'Hare Intl-CNS Cairns
30h 07m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
19:15 - 14:43CNS  Cairns-ORD Chicago O'Hare Intl
34h 28m2 stops Sydney Kingsford Smith Vancouver Intl
$2,111Multiple Airlines
Sat, 12 Sep - Fri, 18 Sep
Multiple Airlines Logo
19:48 - 16:55ORD  Chicago O'Hare Intl-CNS Cairns
30h 07m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
19:15 - 14:43CNS  Cairns-ORD Chicago O'Hare Intl
34h 28m2 stops Sydney Kingsford Smith Vancouver Intl
$2,117Multiple Airlines
Sat, 12 Sep - Fri, 18 Sep
Multiple Airlines Logo
19:48 - 16:55ORD  Chicago O'Hare Intl-CNS Cairns
30h 07m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
19:15 - 14:43CNS  Cairns-ORD Chicago O'Hare Intl
34h 28m2 stops Sydney Kingsford Smith Vancouver Intl
$2,118Multiple Airlines
Sat, 12 Sep - Fri, 18 Sep
Multiple Airlines Logo
06:30 - 16:40ORD  Chicago O'Hare Intl-CNS Cairns
43h 10m3 stops Denver Intl Los Angeles Los Angeles Melbourne
Multiple Airlines Logo
06:50 - 05:38CNS  Cairns-ORD Chicago O'Hare Intl
37h 48m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Las Vegas Harry Reid Intl
$2,309Multiple Airlines
Sat, 26 Sep - Sat, 3 Oct
Multiple Airlines Logo
15:40 - 16:55ORD  Chicago O'Hare Intl-CNS Cairns
34h 15m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
06:00 - 14:43CNS  Cairns-ORD Chicago O'Hare Intl
23h 43m2 stops Brisbane Vancouver Intl
$2,326Multiple Airlines
Mon, 28 Sep - Mon, 5 Oct
Qatar Airways Logo
18:50 - 19:05ORD  Chicago O'Hare Intl-CNS Cairns
56h 15m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
17:25 - 14:30CNS  Cairns-ORD Chicago O'Hare Intl
37h 05m2 stops Brisbane Doha Hamad Intl
$2,336Qatar Airways
Mon, 9 Nov - Tue, 1 Dec
Qatar Airways Logo
18:50 - 19:05ORD  Chicago O'Hare Intl-CNS Cairns
56h 15m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
17:25 - 14:30CNS  Cairns-ORD Chicago O'Hare Intl
37h 05m2 stops Brisbane Doha Hamad Intl
$2,341Qatar Airways
Mon, 9 Nov - Tue, 1 Dec
Multiple Airlines Logo
09:55 - 04:30ORD  Chicago O'Hare Intl-CNS Cairns
27h 35m2 stops Toronto Pearson Intl Tokyo Narita
Multiple Airlines Logo
06:00 - 14:43CNS  Cairns-ORD Chicago O'Hare Intl
23h 43m2 stops Brisbane Vancouver Intl
$2,354Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep

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Qatar Airways flights from Illinois to Cairns

Our best Qatar Airways deals on Illinois to Cairns flight tickets
Qatar Airways
9 Nov
ORD18:50Chicago O'Hare Intl
56h 15m
2 stops
CNS19:05Cairns
1 Dec
CNS17:25Cairns
37h 05m
2 stops
ORD14:30Chicago O'Hare Intl
$2,336
Qatar Airways
9 Nov
ORD18:50Chicago O'Hare Intl
56h 15m
2 stops
CNS19:05Cairns
1 Dec
CNS17:25Cairns
37h 05m
2 stops
ORD14:30Chicago O'Hare Intl
$2,341
Qatar Airways
9 Nov
ORD18:50Chicago O'Hare Intl
36h 15m
2 stops
CNS23:05Cairns
1 Dec
CNS17:25Cairns
37h 05m
2 stops
ORD14:30Chicago O'Hare Intl
$2,358

Qantas Airways flights from Illinois to Cairns

Our best Qantas Airways deals on Illinois to Cairns flight tickets
Qantas Airways
26 Sept
STL17:00Lambert-St Louis
28h 55m
2 stops
CNS12:55Cairns
3 Oct
CNS06:50Cairns
26h 14m
2 stops
STL18:04Lambert-St Louis
$2,392
Qantas Airways
25 Aug
STL06:00Lambert-St Louis
39h 55m
2 stops
CNS12:55Cairns
28 Aug
CNS06:50Cairns
26h 15m
2 stops
STL18:05Lambert-St Louis
$2,720
Qantas Airways
21 Oct
STL06:04Lambert-St Louis
43h 51m
2 stops
CNS16:55Cairns
25 Oct
CNS11:15Cairns
51h 31m
2 stops
STL23:46Lambert-St Louis
$3,332

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 15 August 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 Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sun 13/9

19:48-11:10

2 stops24h 22m

Cairns

Sat 19/9

19:10-14:43

2 stops34h 33m

$1,950

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sun 13/9

19:48-11:10

2 stops24h 22m

Cairns

Sat 19/9

19:10-19:48

3 stops39h 38m

$1,963

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sat 12/9

19:48-16:55

2 stops30h 07m

Cairns

Fri 18/9

19:15-14:43

2 stops34h 28m

$2,111

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sat 12/9

19:48-16:55

2 stops30h 07m

Cairns

Fri 18/9

19:15-14:43

2 stops34h 28m

$2,117

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sat 12/9

19:48-16:55

2 stops30h 07m

Cairns

Fri 18/9

19:15-14:43

2 stops34h 28m

$2,118

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sat 26/9

06:30-16:40

3 stops43h 10m

Cairns

Sat 3/10

06:50-05:38

3 stops37h 48m

$2,309

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 28/9

15:40-16:55

2 stops34h 15m

Cairns

Mon 5/10

06:00-14:43

2 stops23h 43m

$2,326

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 9/11

18:50-19:05

2 stops56h 15m

Cairns

Tue 1/12

17:25-14:30

2 stops37h 05m

$2,336

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 9/11

18:50-19:05

2 stops56h 15m

Cairns

Tue 1/12

17:25-14:30

2 stops37h 05m

$2,341
Fastest return journey

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Thu 10/9

09:55-04:30

2 stops27h 35m

Cairns

Thu 17/9

06:00-14:43

2 stops23h 43m

$2,354

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

Qantas Airways and American Airlines are the most popular carriers 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

24h 22m

Direct flights

None
The fastest flight from Illinois to Cairns takes 24h 22m
There are no direct flights from Illinois to Cairns. There are no popular flight routes from Illinois to Cairns.
Search flight deals

Frequently asked questions about flying 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 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
Mission Beach
Trinity 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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