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Cheap flights from Chicago to Cairns from $1,703

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.
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Find the cheapest flights from Chicago to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:10 pm - 3:00 pm
ORD
-
CNS
30h 50m
2 stops
American Airlines Logo
3:45 pm - 4:59 am
CNS
-
ORD
28h 14m
2 stops
$1,703American Airlines
Tue, Jul 28 - Fri, Aug 7
Multiple Airlines Logo
7:20 pm - 5:30 am
ORD
-
CNS
43h 10m
2 stops
Multiple Airlines Logo
7:15 pm - 3:30 pm
CNS
-
ORD
35h 15m
2 stops
$1,737Multiple Airlines
Wed, Oct 14 - Sat, Oct 31
American Airlines Logo
5:10 pm - 10:35 am
ORD
-
CNS
26h 25m
2 stops
American Airlines Logo
3:45 pm - 5:00 am
CNS
-
ORD
28h 15m
2 stops
$1,852American Airlines
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
7:20 pm - 5:30 am
ORD
-
CNS
43h 10m
2 stops
Multiple Airlines Logo
9:45 am - 3:30 pm
CNS
-
ORD
44h 45m
3 stops
$1,919Multiple Airlines
Wed, Oct 14 - Sat, Oct 31
United Airlines Logo
8:55 am - 11:10 am
ORD
-
CNS
35h 15m
2 stops
United Airlines Logo
6:00 am - 10:59 pm
CNS
-
ORD
31h 59m
2 stops
$1,947United Airlines
Wed, Jun 3 - Wed, Jun 10
Multiple Airlines Logo
7:08 pm - 12:55 pm
ORD
-
CNS
26h 47m
2 stops
Multiple Airlines Logo
11:20 am - 11:59 pm
CNS
-
ORD
27h 39m
3 stops
$1,967Multiple Airlines
Tue, Jul 28 - Fri, Aug 7
American Airlines Logo
11:45 am - 10:35 am
ORD
-
CNS
31h 50m
2 stops
American Airlines Logo
3:45 pm - 5:00 am
CNS
-
ORD
28h 15m
2 stops
$2,002American Airlines
Mon, May 25 - Mon, Jun 8
American Airlines Logo
3:23 pm - 12:55 pm
ORD
-
CNS
30h 32m
2 stops
American Airlines Logo
3:45 pm - 5:00 am
CNS
-
ORD
28h 15m
2 stops
$2,008American Airlines
Sun, Jun 21 - Sun, Jun 28
Qatar Airways Logo
7:20 pm - 9:50 am
ORD
-
CNS
47h 30m
2 stops
Qatar Airways Logo
9:00 pm - 3:05 pm
CNS
-
ORD
57h 05m
2 stops
$2,085Qatar Airways
Thu, Sep 10 - Mon, Sep 14
Qatar Airways Logo
7:20 pm - 9:50 am
ORD
-
CNS
47h 30m
2 stops
Qatar Airways Logo
9:00 pm - 3:05 pm
CNS
-
ORD
57h 05m
2 stops
$2,086Qatar Airways
Thu, Sep 10 - Mon, Sep 14

American Airlines flights from Chicago to Cairns

Our best American Airlines deals on Chicago to Cairns flight tickets
American Airlines
Jul 28
ORD5:10 pmChicago O'Hare Intl
30h 50m
2 stops
CNS3:00 pmCairns
Aug 7
CNS3:45 pmCairns
28h 14m
2 stops
ORD4:59 amChicago O'Hare Intl
$1,703
American Airlines
Jun 1
ORD5:10 pmChicago O'Hare Intl
26h 25m
2 stops
CNS10:35 amCairns
Jun 8
CNS3:45 pmCairns
28h 15m
2 stops
ORD5:00 amChicago O'Hare Intl
$1,852
American Airlines
May 25
ORD11:45 amChicago O'Hare Intl
31h 50m
2 stops
CNS10:35 amCairns
Jun 8
CNS3:45 pmCairns
28h 15m
2 stops
ORD5:00 amChicago O'Hare Intl
$2,002

Qatar Airways flights from Chicago to Cairns

Our best Qatar Airways deals on Chicago to Cairns flight tickets
Qatar Airways
Sep 10
ORD7:20 pmChicago O'Hare Intl
47h 30m
2 stops
CNS9:50 amCairns
Sep 14
CNS9:00 pmCairns
57h 05m
2 stops
ORD3:05 pmChicago O'Hare Intl
$2,085
Qatar Airways
Sep 10
ORD7:20 pmChicago O'Hare Intl
47h 30m
2 stops
CNS9:50 amCairns
Sep 14
CNS9:00 pmCairns
57h 05m
2 stops
ORD3:05 pmChicago O'Hare Intl
$2,086
Qatar Airways
Sep 19
ORD7:20 pmChicago O'Hare Intl
37h 00m
2 stops
CNS11:20 pmCairns
Sep 23
CNS9:00 pmCairns
57h 05m
2 stops
ORD3:05 pmChicago O'Hare Intl
$2,128

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 May 8, 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 7/28

5:10 pm-3:00 pm

2 stops30h 50m

Cairns

Fri 8/7

3:45 pm-4:59 am

2 stops28h 14m

$1,703

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 10/14

7:20 pm-5:30 am

2 stops43h 10m

Cairns

Sat 10/31

7:15 pm-3:30 pm

2 stops35h 15m

$1,737

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 6/1

5:10 pm-10:35 am

2 stops26h 25m

Cairns

Mon 6/8

3:45 pm-5:00 am

2 stops28h 15m

$1,852

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 10/14

7:20 pm-5:30 am

2 stops43h 10m

Cairns

Sat 10/31

9:45 am-3:30 pm

3 stops44h 45m

$1,919

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 6/3

8:55 am-11:10 am

2 stops35h 15m

Cairns

Wed 6/10

6:00 am-10:59 pm

2 stops31h 59m

$1,947
Quickest round-trip

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

7:08 pm-12:55 pm

2 stops26h 47m

Cairns

Fri 8/7

11:20 am-11:59 pm

3 stops27h 39m

$1,967

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 5/25

11:45 am-10:35 am

2 stops31h 50m

Cairns

Mon 6/8

3:45 pm-5:00 am

2 stops28h 15m

$2,002

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 6/21

3:23 pm-12:55 pm

2 stops30h 32m

Cairns

Sun 6/28

3:45 pm-5:00 am

2 stops28h 15m

$2,008

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 9/10

7:20 pm-9:50 am

2 stops47h 30m

Cairns

Mon 9/14

9:00 pm-3:05 pm

2 stops57h 05m

$2,085

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Thu 9/10

7:20 pm-9:50 am

2 stops47h 30m

Cairns

Mon 9/14

9:00 pm-3:05 pm

2 stops57h 05m

$2,086

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 56m

Direct flights

None
The fastest flight from Chicago to Cairns takes 26h 56m
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 56m.

  • 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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