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Cheap flights from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport 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

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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.
Multiple Airlines Logo
9:15 pm - 3:55 pm
ORD
-
CNS
51h 40m
2 stops
Multiple Airlines Logo
7:10 pm - 2:45 pm
CNS
-
ORD
34h 35m
2 stops
$1,450Multiple Airlines
Sat, May 23 - Sun, May 31
Multiple Airlines Logo
8:20 pm - 3:55 pm
ORD
-
CNS
52h 35m
3 stops
Multiple Airlines Logo
7:10 pm - 2:45 pm
CNS
-
ORD
34h 35m
2 stops
$1,453Multiple Airlines
Sat, May 23 - Sun, May 31
Multiple Airlines Logo
8:20 pm - 3:55 pm
ORD
-
CNS
52h 35m
2 stops
Multiple Airlines Logo
6:00 am - 2:45 pm
CNS
-
ORD
23h 45m
2 stops
$1,486Multiple Airlines
Sat, May 23 - Fri, May 29
Air Canada Logo
8:20 pm - 3:55 pm
ORD
-
CNS
52h 35m
3 stops
Air Canada Logo
6:00 am - 2:45 pm
CNS
-
ORD
23h 45m
2 stops
$1,490Air Canada
Sat, May 23 - Fri, May 29
Multiple Airlines Logo
7:09 am - 1:40 pm
ORD
-
CNS
39h 31m
3 stops
Multiple Airlines Logo
7:10 pm - 2:45 pm
CNS
-
ORD
34h 35m
2 stops
$1,492Multiple Airlines
Mon, May 25 - Sun, May 31
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 - 11:10 am
ORD
-
CNS
28h 30m
2 stops
Multiple Airlines Logo
3:45 pm - 2:45 pm
CNS
-
ORD
38h 00m
2 stops
$1,501Multiple Airlines
Sat, May 23 - Sat, May 30
Multiple Airlines Logo
7:48 pm - 4:55 pm
ORD
-
CNS
30h 07m
2 stops
Multiple Airlines Logo
4:35 pm - 2:41 pm
CNS
-
ORD
37h 06m
2 stops
$1,502Multiple Airlines
Sat, Aug 29 - Wed, Sep 2
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 flights from Chicago O'Hare Intl Airport to Cairns

Our best Air Canada deals on Chicago O'Hare Intl Airport to Cairns flight tickets
Air Canada
May 23
ORD8:20 pmChicago O'Hare Intl
52h 35m
3 stops
CNS3:55 pmCairns
May 29
CNS6:00 amCairns
23h 45m
2 stops
ORD2:45 pmChicago O'Hare Intl
$1,490
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
Aug 3
ORD3:40 pmChicago O'Hare Intl
28h 30m
2 stops
CNS11:10 amCairns
Aug 10
CNS7:15 pmCairns
34h 26m
2 stops
ORD2:41 pmChicago O'Hare Intl
$1,571

Air New Zealand flights from Chicago O'Hare Intl Airport to Cairns

Our best Air New Zealand deals on Chicago O'Hare Intl Airport to Cairns flight tickets
Air New Zealand
Apr 12
ORD5:15 pmChicago O'Hare Intl
26h 30m
2 stops
CNS10:45 amCairns
Apr 25
CNS5:00 pmCairns
45h 28m
2 stops
ORD11:28 pmChicago O'Hare Intl
$2,056
Air New Zealand
May 25
ORD10:30 amChicago O'Hare Intl
45h 15m
3 stops
CNS10:45 pmCairns
May 31
CNS6:55 pmCairns
45h 20m
3 stops
ORD1:15 amChicago O'Hare Intl
$3,457
Air New Zealand
May 23
ORD4:45 pmChicago O'Hare Intl
33h 10m
3 stops
CNS4:55 pmCairns
May 31
CNS6:00 amCairns
30h 40m
3 stops
ORD9:40 pmChicago O'Hare Intl
$4,591

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 March 24, 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

Cheapest round-trip

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/23

9:15 pm-3:55 pm

2 stops51h 40m

Cairns

Sun 5/31

7:10 pm-2:45 pm

2 stops34h 35m

$1,450

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/23

8:20 pm-3:55 pm

3 stops52h 35m

Cairns

Sun 5/31

7:10 pm-2:45 pm

2 stops34h 35m

$1,453

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/23

8:20 pm-3:55 pm

2 stops52h 35m

Cairns

Fri 5/29

6:00 am-2:45 pm

2 stops23h 45m

$1,486

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 5/23

8:20 pm-3:55 pm

3 stops52h 35m

Cairns

Fri 5/29

6:00 am-2:45 pm

2 stops23h 45m

$1,490

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 5/25

7:09 am-1:40 pm

3 stops39h 31m

Cairns

Sun 5/31

7:10 pm-2:45 pm

2 stops34h 35m

$1,492

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

Sat 5/23

3:40 pm-11:10 am

2 stops28h 30m

Cairns

Sat 5/30

3:45 pm-2:45 pm

2 stops38h 00m

$1,501

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 8/29

7:48 pm-4:55 pm

2 stops30h 07m

Cairns

Wed 9/2

4:35 pm-2:41 pm

2 stops37h 06m

$1,502
Quickest round-trip

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

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

28h 15m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Cairns takes 28h 15m
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 28h 15m 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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