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Cheap flights from Chicago to Cairns from $1,485

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Cairns departing on 7/28. 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 Chicago to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:40 pm - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Multiple Airlines Logo
6:00 am - 2:36 pm
CNS
-
ORD
23h 36m
2 stops
$1,485Multiple Airlines
Tue, Jul 28 - Fri, Aug 7
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Air Canada Logo
6:00 am - 2:36 pm
CNS
-
ORD
23h 36m
2 stops
$1,486Air Canada
Tue, Jul 28 - Fri, Aug 7
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Air Canada Logo
7:15 pm - 9:00 am
CNS
-
ORD
52h 45m
3 stops
$1,497Air Canada
Tue, Jul 28 - Fri, Aug 7
Multiple Airlines Logo
3:40 pm - 3:00 pm
ORD
-
CNS
32h 20m
2 stops
Multiple Airlines Logo
6:00 am - 2:36 pm
CNS
-
ORD
23h 36m
2 stops
$1,625Multiple Airlines
Wed, Aug 5 - Wed, Aug 12
Qantas Airways Logo
7:00 pm - 12:55 pm
ORD
-
CNS
26h 55m
2 stops
Qantas Airways Logo
6:50 am - 6:29 pm
CNS
-
ORD
26h 39m
2 stops
$1,946Qantas Airways
Wed, Aug 5 - Wed, Aug 12
Air Canada Logo
10:43 am - 3:55 pm
ORD
-
CNS
38h 12m
3 stops
Air Canada Logo
6:00 am - 2:36 pm
CNS
-
ORD
23h 36m
2 stops
$2,010Air Canada
Wed, Aug 5 - Wed, Aug 12
Air Canada Logo
9:20 pm - 3:55 pm
ORD
-
CNS
51h 35m
3 stops
Air Canada Logo
6:00 am - 2:36 pm
CNS
-
ORD
23h 36m
2 stops
$2,064Air Canada
Tue, Jul 28 - Fri, Aug 7
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Air Canada Logo
7:15 pm - 9:00 am
CNS
-
ORD
52h 45m
3 stops
$2,075Air Canada
Tue, Jul 28 - Fri, Aug 7
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Air Canada Logo
7:15 pm - 9:00 am
CNS
-
ORD
52h 45m
3 stops
$2,076Air Canada
Tue, Jul 28 - Fri, Aug 7
Air Canada Logo
2:15 pm - 3:55 pm
ORD
-
CNS
34h 40m
3 stops
Air Canada Logo
7:15 pm - 9:00 am
CNS
-
ORD
52h 45m
3 stops
$2,594Air Canada
Tue, Jul 28 - Fri, Aug 7

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Qantas Airways flights from Chicago to Cairns

Our best Qantas Airways deals on Chicago to Cairns flight tickets
Qantas Airways
Aug 5
ORD7:00 pmChicago O'Hare Intl
26h 55m
2 stops
CNS12:55 pmCairns
Aug 12
CNS6:50 amCairns
26h 39m
2 stops
ORD6:29 pmChicago O'Hare Intl
$1,946
Qantas Airways
Nov 27
ORD2:54 pmChicago O'Hare Intl
28h 11m
2 stops
CNS11:05 amCairns
Dec 15
CNS9:25 amCairns
23h 29m
2 stops
ORD4:54 pmChicago O'Hare Intl
$7,966
Qantas Airways
Nov 27
ORD4:45 pmChicago O'Hare Intl
26h 20m
2 stops
CNS11:05 amCairns
Dec 15
CNS12:05 pmCairns
44h 49m
2 stops
ORD4:54 pmChicago O'Hare Intl
$7,969

Air Canada flights from Chicago to Cairns

Our best Air Canada deals on Chicago to Cairns flight tickets
Air Canada
Jul 28
ORD3:40 pmChicago O'Hare Intl
28h 30m
2 stops
CNS11:10 amCairns
Aug 7
CNS6:00 amCairns
23h 36m
2 stops
ORD2:36 pmChicago O'Hare Intl
$1,486
Air Canada
Jul 28
ORD3:40 pmChicago O'Hare Intl
28h 30m
2 stops
CNS11:10 amCairns
Aug 7
CNS7:15 pmCairns
52h 45m
3 stops
ORD9:00 amChicago O'Hare Intl
$1,497
Air Canada
Aug 5
ORD10:43 amChicago O'Hare Intl
38h 12m
3 stops
CNS3:55 pmCairns
Aug 12
CNS6:00 amCairns
23h 36m
2 stops
ORD2:36 pmChicago O'Hare Intl
$2,010

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 June 24, 2026.
Use the filters below to find and compare flights from Chicago to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

3:40 pm-11:10 am

2 stops28h 30m

Cairns

Fri 8/7

6:00 am-2:36 pm

2 stops23h 36m

$1,485

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

3:40 pm-11:10 am

2 stops28h 30m

Cairns

Fri 8/7

6:00 am-2:36 pm

2 stops23h 36m

$1,486

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

3:40 pm-11:10 am

2 stops28h 30m

Cairns

Fri 8/7

7:15 pm-9:00 am

3 stops52h 45m

$1,497

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 8/5

3:40 pm-3:00 pm

2 stops32h 20m

Cairns

Wed 8/12

6:00 am-2:36 pm

2 stops23h 36m

$1,625

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 8/5

7:00 pm-12:55 pm

2 stops26h 55m

Cairns

Wed 8/12

6:50 am-6:29 pm

2 stops26h 39m

$1,946

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 8/5

10:43 am-3:55 pm

3 stops38h 12m

Cairns

Wed 8/12

6:00 am-2:36 pm

2 stops23h 36m

$2,010

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

9:20 pm-3:55 pm

3 stops51h 35m

Cairns

Fri 8/7

6:00 am-2:36 pm

2 stops23h 36m

$2,064

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

3:40 pm-11:10 am

2 stops28h 30m

Cairns

Fri 8/7

7:15 pm-9:00 am

3 stops52h 45m

$2,075

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

3:40 pm-11:10 am

2 stops28h 30m

Cairns

Fri 8/7

7:15 pm-9:00 am

3 stops52h 45m

$2,076

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

2:15 pm-3:55 pm

3 stops34h 40m

Cairns

Fri 8/7

7:15 pm-9:00 am

3 stops52h 45m

$2,594

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago to Cairns

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Cairns according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Cairns (CHI to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Cairns

Fastest flight time

26h 55m

Direct flights

None
The fastest flight from Chicago to Cairns takes 26h 55m
There are no direct flights from Chicago to Cairns. There are no popular flight routes from Chicago to Cairns.
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Frequently asked questions about flying from Chicago to Cairns

  • How far is Chicago to Cairns by plane?

    A flight from Chicago to Cairns will travel around 8854.7 mi. By plane, this route typically takes 26h 55m.

  • When did momondo last update prices for flights from Chicago to Cairns Airport?

    Prices for flights from Chicago to Cairns Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago 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 license 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 Chicago to Cairns

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

    Confirm your travel details to search for the latest offers for flights from Chicago to Cairns. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • 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.

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 Chicago to Cairns?

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

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

Flights from Chicago to Cairns with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cairns from Chicago.

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

Yes momondo offers price alerts on flights to Cairns from Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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