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Cheap flights from Chicago O'Hare Intl Airport to Cairns from $1,466

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 O'Hare Intl Airport 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 O'Hare Intl Airport to Cairns

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:50 pm - 11:10 am
ORD
-
CNS
24h 20m
2 stops
Air Canada Logo
6:00 am - 2:41 pm
CNS
-
ORD
23h 41m
2 stops
$1,466Air Canada
Tue, Jul 28 - Fri, Aug 7
Multiple Airlines Logo
4:49 pm - 11:00 am
ORD
-
CNS
27h 11m
2 stops
Multiple Airlines Logo
12:40 pm - 5:37 am
CNS
-
ORD
31h 57m
2 stops
$1,504Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
5:10 pm - 10:35 am
ORD
-
CNS
26h 25m
2 stops
Multiple Airlines Logo
11:20 am - 12:12 am
CNS
-
ORD
27h 52m
3 stops
$1,675Multiple Airlines
Tue, Jul 28 - Fri, Aug 7
Multiple Airlines Logo
4:49 pm - 11:00 am
ORD
-
CNS
27h 11m
2 stops
Multiple Airlines Logo
3:45 pm - 5:25 am
CNS
-
ORD
28h 40m
3 stops
$2,025Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Air Canada Logo
10:45 am - 3:55 pm
ORD
-
CNS
38h 10m
3 stops
Air Canada Logo
7:15 pm - 7:52 pm
CNS
-
ORD
39h 37m
3 stops
$2,060Air Canada
Tue, Jul 28 - Fri, Aug 7
Multiple Airlines Logo
1:55 pm - 1:50 pm
ORD
-
CNS
32h 55m
3 stops
Multiple Airlines Logo
6:15 pm - 8:03 am
CNS
-
ORD
52h 48m
3 stops
$2,638Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
11:30 am - 4:35 am
ORD
-
CNS
26h 05m
1 stop
Multiple Airlines Logo
5:25 pm - 4:59 am
CNS
-
ORD
50h 34m
2 stops
$2,708Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Japan Airlines Logo
10:40 am - 4:30 am
ORD
-
CNS
26h 50m
1 stop
Japan Airlines Logo
11:40 am - 7:45 am
CNS
-
ORD
35h 05m
1 stop
$10,596Japan Airlines
Tue, Jul 28 - Fri, Aug 7
Japan Airlines Logo
2:30 pm - 5:55 am
ORD
-
CNS
48h 25m
2 stops
Japan Airlines Logo
11:40 am - 7:45 am
CNS
-
ORD
35h 05m
1 stop
$10,623Japan Airlines
Tue, Jul 28 - Fri, Aug 7

Qantas Airways flights from Chicago O'Hare Intl Airport to Cairns

Our best Qantas Airways deals on Chicago O'Hare Intl Airport to Cairns flight tickets
Qantas Airways
Feb 13
ORD4:49 pmChicago O'Hare Intl
26h 11m
2 stops
CNS11:00 amCairns
Feb 17
CNS3:35 pmCairns
45h 05m
2 stops
ORD8:40 pmChicago O'Hare Intl
$1,688
Qantas Airways
Feb 13
ORD4:49 pmChicago O'Hare Intl
26h 11m
2 stops
CNS11:00 amCairns
Feb 17
CNS3:35 pmCairns
42h 10m
2 stops
ORD5:45 pmChicago O'Hare Intl
$1,752
Qantas Airways
Feb 13
ORD2:58 pmChicago O'Hare Intl
28h 02m
2 stops
CNS11:00 amCairns
Feb 17
CNS3:35 pmCairns
42h 10m
2 stops
ORD5:45 pmChicago O'Hare Intl
$1,882

Cathay Pacific flights from Chicago O'Hare Intl Airport to Cairns

Our best Cathay Pacific deals on Chicago O'Hare Intl Airport to Cairns flight tickets
Cathay Pacific
Feb 13
ORD2:35 pmChicago O'Hare Intl
34h 15m
2 stops
CNS4:50 pmCairns
Feb 17
CNS11:25 amCairns
41h 30m
1 stop
ORD12:55 pmChicago O'Hare Intl
$3,442
Cathay Pacific
Feb 13
ORD2:35 pmChicago O'Hare Intl
50h 00m
2 stops
CNS8:35 amCairns
Feb 17
CNS11:25 amCairns
41h 30m
1 stop
ORD12:55 pmChicago O'Hare Intl
$5,224

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 February 6, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Cairns that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

7:50 pm-11:10 am

2 stops24h 20m

Cairns

Fri 8/7

6:00 am-2:41 pm

2 stops23h 41m

$1,466

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 3/22

4:49 pm-11:00 am

2 stops27h 11m

Cairns

Sun 3/29

12:40 pm-5:37 am

2 stops31h 57m

$1,504

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

5:10 pm-10:35 am

2 stops26h 25m

Cairns

Fri 8/7

11:20 am-12:12 am

3 stops27h 52m

$1,675

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 3/22

4:49 pm-11:00 am

2 stops27h 11m

Cairns

Sun 3/29

3:45 pm-5:25 am

3 stops28h 40m

$2,025

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

10:45 am-3:55 pm

3 stops38h 10m

Cairns

Fri 8/7

7:15 pm-7:52 pm

3 stops39h 37m

$2,060

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 3/22

1:55 pm-1:50 pm

3 stops32h 55m

Cairns

Sun 3/29

6:15 pm-8:03 am

3 stops52h 48m

$2,638

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 3/22

11:30 am-4:35 am

1 stop26h 05m

Cairns

Sun 3/29

5:25 pm-4:59 am

2 stops50h 34m

$2,708

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

10:40 am-4:30 am

1 stop26h 50m

Cairns

Fri 8/7

11:40 am-7:45 am

1 stop35h 05m

$10,596

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 7/28

2:30 pm-5:55 am

2 stops48h 25m

Cairns

Fri 8/7

11:40 am-7:45 am

1 stop35h 05m

$10,623

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Chicago O'Hare Intl Airport to Cairns

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

Cheap Chicago O'Hare Intl Airport to Cairns (ORD to CNS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Cairns

Fastest flight time

27h 11m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cairns takes 27h 11m
There are no direct flights from Chicago O'Hare Intl Airport to Cairns. There are no popular flight routes from Chicago O'Hare Intl Airport to Cairns.
Search flight deals

  • How far is Chicago O'Hare Intl to Cairns by plane?

    Chicago O'Hare Intl and Cairns are 8839.3 mi apart from one another. Typically, this will take 27h 11m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Cairns Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Cairns Airport are updated daily.

  • How old do you have to be to fly from Chicago O'Hare Intl Airport 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 layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Cairns Airport.

  • What documentation or ID do you need to fly to Cairns Airport?

    The travel and health documents you'll need for your trip to Cairns Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Cairns Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from Chicago O'Hare Intl Airport to Cairns?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Chicago O'Hare Intl Airport from Cairns. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Chicago O'Hare Intl Airport to Cairns with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

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?

momondo does allow users to show only those flights to Cairns from Chicago which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Cairns.

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

Price alerts on flights to Cairns from Chicago 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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