Latest deals
When to book
FAQs
Price Alerts

Cheap flights from Chicago to Cairns from $521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Cairns departing on 5/30. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Chicago to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:03 pm - 11:40 am
ORD
-
CNS
28h 37m
2 stops
Multiple Airlines Logo
9:10 pm - 10:04 pm
CNS
-
ORD
39h 54m
2 stops
$1,493Multiple Airlines
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
3:40 pm - 1:40 pm
ORD
-
CNS
31h 00m
2 stops
Multiple Airlines Logo
6:00 am - 8:15 pm
CNS
-
ORD
29h 15m
2 stops
$1,521Multiple Airlines
Mon, May 4 - Tue, May 19
Multiple Airlines Logo
2:15 pm - 1:40 pm
ORD
-
CNS
32h 25m
3 stops
Multiple Airlines Logo
6:00 am - 8:15 pm
CNS
-
ORD
29h 15m
2 stops
$1,529Multiple Airlines
Mon, May 4 - Tue, May 19
Air Canada Logo
1:01 pm - 3:55 pm
ORD
-
CNS
35h 54m
3 stops
Air Canada Logo
6:00 am - 2:45 pm
CNS
-
ORD
23h 45m
2 stops
$1,538Air Canada
Tue, May 5 - Tue, May 12
Multiple Airlines Logo
3:40 pm - 3:55 pm
ORD
-
CNS
33h 15m
2 stops
Multiple Airlines Logo
7:15 pm - 10:05 pm
CNS
-
ORD
41h 50m
2 stops
$1,640Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Air Canada Logo
3:40 pm - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Air Canada Logo
6:00 am - 2:41 pm
CNS
-
ORD
23h 41m
2 stops
$1,641Air 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
4:35 pm - 7:25 pm
CNS
-
ORD
41h 50m
3 stops
$1,735Air Canada
Mon, May 4 - Tue, May 19
Multiple Airlines Logo
7:48 pm - 5:10 pm
ORD
-
CNS
30h 22m
2 stops
Multiple Airlines Logo
7:15 pm - 8:00 am
CNS
-
ORD
51h 45m
3 stops
$1,740Multiple Airlines
Mon, Aug 17 - Sun, Aug 23
Multiple Airlines Logo
3:00 pm - 11:15 am
ORD
-
CNS
29h 15m
2 stops
Multiple Airlines Logo
6:00 am - 5:35 am
CNS
-
ORD
38h 35m
2 stops
$1,783Multiple Airlines
Sat, May 9 - Sat, May 16
Air Canada Logo
7:45 pm - 11:10 am
ORD
-
CNS
24h 25m
2 stops
Air Canada Logo
7:15 pm - 9:00 am
CNS
-
ORD
52h 45m
3 stops
$1,784Air Canada
Tue, Jul 28 - Fri, Aug 7

Air Canada flights from Chicago to Cairns

Our best Air Canada deals on Chicago to Cairns flight tickets
Air Canada
May 5
ORD1:01 pmChicago O'Hare Intl
35h 54m
3 stops
CNS3:55 pmCairns
May 12
CNS6:00 amCairns
23h 45m
2 stops
ORD2:45 pmChicago O'Hare Intl
$1,538
Air Canada
Jul 28
ORD3:40 pmChicago O'Hare Intl
28h 30m
2 stops
CNS11:10 amCairns
Aug 7
CNS6:00 amCairns
23h 41m
2 stops
ORD2:41 pmChicago O'Hare Intl
$1,641
Air Canada
May 4
ORD2:15 pmChicago O'Hare Intl
34h 40m
3 stops
CNS3:55 pmCairns
May 19
CNS4:35 pmCairns
41h 50m
3 stops
ORD7:25 pmChicago O'Hare Intl
$1,735

Qantas Airways flights from Chicago to Cairns

Our best Qantas Airways deals on Chicago to Cairns flight tickets
Qantas Airways
May 9
ORD9:14 pmChicago O'Hare Intl
46h 21m
2 stops
CNS10:35 amCairns
May 16
CNS9:25 amCairns
59h 20m
3 stops
ORD5:45 amChicago O'Hare Intl
$1,988
Qantas Airways
Apr 11
ORD8:57 amChicago O'Hare Intl
41h 38m
2 stops
CNS5:35 pmCairns
Apr 25
CNS6:00 amCairns
32h 59m
3 stops
ORD11:59 pmChicago O'Hare Intl
$2,364
Qantas Airways
Jun 7
ORD11:45 amChicago O'Hare Intl
38h 10m
2 stops
CNS4:55 pmCairns
Jun 23
CNS1:55 pmCairns
41h 49m
2 stops
ORD4:44 pmChicago O'Hare Intl
$6,149

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 March 26, 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

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 5/5

4:03 pm-11:40 am

2 stops28h 37m

Cairns

Tue 5/12

9:10 pm-10:04 pm

2 stops39h 54m

$1,493

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 5/4

3:40 pm-1:40 pm

2 stops31h 00m

Cairns

Tue 5/19

6:00 am-8:15 pm

2 stops29h 15m

$1,521

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 5/4

2:15 pm-1:40 pm

3 stops32h 25m

Cairns

Tue 5/19

6:00 am-8:15 pm

2 stops29h 15m

$1,529

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 5/5

1:01 pm-3:55 pm

3 stops35h 54m

Cairns

Tue 5/12

6:00 am-2:45 pm

2 stops23h 45m

$1,538

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 8/17

3:40 pm-3:55 pm

2 stops33h 15m

Cairns

Sun 8/23

7:15 pm-10:05 pm

2 stops41h 50m

$1,640
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-2:41 pm

2 stops23h 41m

$1,641

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 5/4

2:15 pm-3:55 pm

3 stops34h 40m

Cairns

Tue 5/19

4:35 pm-7:25 pm

3 stops41h 50m

$1,735

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 8/17

7:48 pm-5:10 pm

2 stops30h 22m

Cairns

Sun 8/23

7:15 pm-8:00 am

3 stops51h 45m

$1,740

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/9

3:00 pm-11:15 am

2 stops29h 15m

Cairns

Sat 5/16

6:00 am-5:35 am

2 stops38h 35m

$1,783

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

7:45 pm-11:10 am

2 stops24h 25m

Cairns

Fri 8/7

7:15 pm-9:00 am

3 stops52h 45m

$1,784

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 25m

Direct flights

None
The fastest flight from Chicago to Cairns takes 26h 25m
There are no direct flights from Chicago to Cairns. There are no popular flight routes from Chicago to Cairns.
Search flight deals

  • 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 25m.

  • 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.

  • 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.

An easier way to manage your Cairns trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 4/25
Sat 5/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia