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Cheap flights from Illinois to Cairns from $2,354

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Cairns departing on 28/7. 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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Find the cheapest flights from Illinois to Cairns

Cheap return flights

Enter your travel dates to find the best prices.
American Airlines Logo
17:10 - 15:00
ORD
-
CNS
30h 50m
2 stops
American Airlines Logo
15:45 - 04:59
CNS
-
ORD
28h 14m
2 stops
$2,354American Airlines
Tue, 28 Jul - Fri, 7 Aug
Multiple Airlines Logo
19:20 - 05:30
ORD
-
CNS
43h 10m
2 stops
Multiple Airlines Logo
19:15 - 15:30
CNS
-
ORD
35h 15m
2 stops
$2,401Multiple Airlines
Wed, 14 Oct - Sat, 31 Oct
American Airlines Logo
17:10 - 10:35
ORD
-
CNS
26h 25m
2 stops
American Airlines Logo
15:45 - 05:00
CNS
-
ORD
28h 15m
2 stops
$2,560American Airlines
Mon, 1 Jun - Mon, 8 Jun
Multiple Airlines Logo
19:20 - 05:30
ORD
-
CNS
43h 10m
2 stops
Multiple Airlines Logo
09:45 - 15:30
CNS
-
ORD
44h 45m
3 stops
$2,653Multiple Airlines
Wed, 14 Oct - Sat, 31 Oct
United Airlines Logo
08:55 - 11:10
ORD
-
CNS
35h 15m
2 stops
United Airlines Logo
06:00 - 22:59
CNS
-
ORD
31h 59m
2 stops
$2,691United Airlines
Wed, 3 Jun - Wed, 10 Jun
Multiple Airlines Logo
19:08 - 12:55
ORD
-
CNS
26h 47m
2 stops
Multiple Airlines Logo
11:20 - 23:59
CNS
-
ORD
27h 39m
3 stops
$2,719Multiple Airlines
Tue, 28 Jul - Fri, 7 Aug
Qatar Airways Logo
19:20 - 09:50
ORD
-
CNS
47h 30m
2 stops
Qatar Airways Logo
21:00 - 15:05
CNS
-
ORD
57h 05m
2 stops
$2,882Qatar Airways
Thu, 10 Sep - Mon, 14 Sep
Qatar Airways Logo
19:20 - 09:50
ORD
-
CNS
47h 30m
2 stops
Qatar Airways Logo
21:00 - 15:05
CNS
-
ORD
57h 05m
2 stops
$2,883Qatar Airways
Thu, 10 Sep - Mon, 14 Sep
Qantas Airways Logo
18:51 - 19:20
STL
-
CNS
33h 29m
2 stops
Qantas Airways Logo
11:50 - 23:05
CNS
-
STL
50h 15m
2 stops
$3,309Qantas Airways
Mon, 26 Oct - Fri, 30 Oct
United Airlines Logo
16:17 - 19:05
STL
-
CNS
35h 48m
3 stops
United Airlines Logo
06:00 - 17:53
CNS
-
STL
26h 53m
2 stops
$3,380United Airlines
Mon, 26 Oct - Fri, 30 Oct

American Airlines flights from Illinois to Cairns

Our best American Airlines deals on Illinois to Cairns flight tickets
American Airlines
28 July
ORD17:10Chicago O'Hare Intl
30h 50m
2 stops
CNS15:00Cairns
7 Aug
CNS15:45Cairns
28h 14m
2 stops
ORD04:59Chicago O'Hare Intl
$2,354
American Airlines
1 June
ORD17:10Chicago O'Hare Intl
26h 25m
2 stops
CNS10:35Cairns
8 June
CNS15:45Cairns
28h 15m
2 stops
ORD05:00Chicago O'Hare Intl
$2,560
American Airlines
25 May
ORD11:45Chicago O'Hare Intl
31h 50m
2 stops
CNS10:35Cairns
8 June
CNS15:45Cairns
28h 15m
2 stops
ORD05:00Chicago O'Hare Intl
$2,767

Qantas Airways flights from Illinois to Cairns

Our best Qantas Airways deals on Illinois to Cairns flight tickets
Qantas Airways
21 June
ORD17:10Chicago O'Hare Intl
27h 40m
2 stops
CNS11:50Cairns
28 June
CNS13:55Cairns
30h 44m
3 stops
ORD05:39Chicago O'Hare Intl
$2,983
Qantas Airways
26 Oct
STL18:51Lambert-St Louis
33h 29m
2 stops
CNS19:20Cairns
30 Oct
CNS11:50Cairns
50h 15m
2 stops
STL23:05Lambert-St Louis
$3,309

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 9 May 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

Tue 28/7

17:10-15:00

2 stops30h 50m

Cairns

Fri 7/8

15:45-04:59

2 stops28h 14m

$2,354

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 14/10

19:20-05:30

2 stops43h 10m

Cairns

Sat 31/10

19:15-15:30

2 stops35h 15m

$2,401

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 1/6

17:10-10:35

2 stops26h 25m

Cairns

Mon 8/6

15:45-05:00

2 stops28h 15m

$2,560

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 14/10

19:20-05:30

2 stops43h 10m

Cairns

Sat 31/10

09:45-15:30

3 stops44h 45m

$2,652

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 3/6

08:55-11:10

2 stops35h 15m

Cairns

Wed 10/6

06:00-22:59

2 stops31h 59m

$2,691
Fastest return journey

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 28/7

19:08-12:55

2 stops26h 47m

Cairns

Fri 7/8

11:20-23:59

3 stops27h 39m

$2,719

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 10/9

19:20-09:50

2 stops47h 30m

Cairns

Mon 14/9

21:00-15:05

2 stops57h 05m

$2,882

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 10/9

19:20-09:50

2 stops47h 30m

Cairns

Mon 14/9

21:00-15:05

2 stops57h 05m

$2,883

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 26/10

18:51-19:20

2 stops33h 29m

Cairns

Fri 30/10

11:50-23:05

2 stops50h 15m

$3,309

St. LouisCairns

STL - CNS

STLCNS

Lambert-St Louis

Mon 26/10

16:17-19:05

3 stops35h 48m

Cairns

Fri 30/10

06:00-17:53

2 stops26h 53m

$3,380

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

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

27h 00m

Direct flights

None
The fastest flight from Illinois to Cairns takes 27h 00m
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.

Frequently asked questions about flying from Illinois to Cairns

  • 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
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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