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Cheap flights from Chicago to Cairns from $763

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 8/26. 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
7:48 pm - 4:55 pmORD  Chicago O'Hare Intl-CNS Cairns
30h 07m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
6:00 am - 8:06 pmCNS  Cairns-ORD Chicago O'Hare Intl
29h 06m2 stops Brisbane Vancouver Intl
$1,379Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Qatar Airways Logo
6:50 pm - 7:05 pmORD  Chicago O'Hare Intl-CNS Cairns
56h 15m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
5:25 pm - 2:30 pmCNS  Cairns-ORD Chicago O'Hare Intl
37h 05m2 stops Brisbane Doha Hamad Intl
$1,653Qatar Airways
Mon, Nov 9 - Tue, Dec 1
Qatar Airways Logo
6:50 pm - 7:05 pmORD  Chicago O'Hare Intl-CNS Cairns
56h 15m2 stops Doha Hamad Intl Melbourne
Qatar Airways Logo
5:25 pm - 2:30 pmCNS  Cairns-ORD Chicago O'Hare Intl
37h 05m2 stops Brisbane Doha Hamad Intl
$1,657Qatar Airways
Mon, Nov 9 - Tue, Dec 1
Multiple Airlines Logo
11:05 am - 2:55 pmORD  Chicago O'Hare Intl-CNS Cairns
35h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:00 am - 2:37 pmCNS  Cairns-ORD Chicago O'Hare Intl
24h 37m2 stops Brisbane Vancouver Intl
$1,704Multiple Airlines
Mon, Nov 9 - Tue, Dec 1
Multiple Airlines Logo
1:57 pm - 2:55 pmORD  Chicago O'Hare Intl-CNS Cairns
32h 58m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith
Multiple Airlines Logo
6:00 am - 4:38 pmCNS  Cairns-ORD Chicago O'Hare Intl
26h 38m2 stops Brisbane Vancouver Intl
$1,705Multiple Airlines
Mon, Nov 9 - Tue, Dec 1
Multiple Airlines Logo
3:40 pm - 4:55 pmORD  Chicago O'Hare Intl-CNS Cairns
34h 15m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
5:40 pm - 2:43 pmCNS  Cairns-ORD Chicago O'Hare Intl
36h 03m2 stops Brisbane Vancouver Intl
$1,742Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
7:45 pm - 4:55 pmORD  Chicago O'Hare Intl-CNS Cairns
30h 10m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
5:40 pm - 8:06 pmCNS  Cairns-ORD Chicago O'Hare Intl
41h 26m2 stops Brisbane Vancouver Intl
$1,813Multiple Airlines
Thu, Sep 24 - Thu, Oct 1
Multiple Airlines Logo
11:50 am - 4:30 amORD  Chicago O'Hare Intl-CNS Cairns
25h 40m1 stop Tokyo Narita
Multiple Airlines Logo
6:45 am - 8:29 pmCNS  Cairns-ORD Chicago O'Hare Intl
28h 44m2 stops Sydney Kingsford Smith Dallas/Fort Worth
$1,918Multiple Airlines
Tue, Sep 22 - Tue, Sep 29
Qatar Airways Logo
7:20 pm - 11:20 pmORD  Chicago O'Hare Intl-CNS Cairns
37h 00m2 stops Doha Hamad Intl Brisbane
Qatar Airways Logo
4:35 pm - 3:05 pmCNS  Cairns-ORD Chicago O'Hare Intl
61h 30m2 stops Sydney Kingsford Smith Doha Hamad Intl
$1,958Qatar Airways
Sat, Sep 5 - Sat, Sep 12
Multiple Airlines Logo
7:48 pm - 4:55 pmORD  Chicago O'Hare Intl-CNS Cairns
30h 07m2 stops Vancouver Intl Brisbane
Multiple Airlines Logo
4:35 pm - 7:48 pmCNS  Cairns-ORD Chicago O'Hare Intl
42h 13m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl
$2,003Multiple Airlines
Tue, Sep 22 - Tue, Sep 29

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Qatar Airways flights from Chicago to Cairns

Our best Qatar Airways deals on Chicago to Cairns flight tickets
Qatar Airways
Nov 9
ORD6:50 pmChicago O'Hare Intl
56h 15m
2 stops
CNS7:05 pmCairns
Dec 1
CNS5:25 pmCairns
37h 05m
2 stops
ORD2:30 pmChicago O'Hare Intl
$1,653
Qatar Airways
Nov 9
ORD6:50 pmChicago O'Hare Intl
56h 15m
2 stops
CNS7:05 pmCairns
Dec 1
CNS5:25 pmCairns
37h 05m
2 stops
ORD2:30 pmChicago O'Hare Intl
$1,657
Qatar Airways
Sep 5
ORD7:20 pmChicago O'Hare Intl
37h 00m
2 stops
CNS11:20 pmCairns
Sep 12
CNS4:35 pmCairns
61h 30m
2 stops
ORD3:05 pmChicago O'Hare Intl
$1,958

Japan Airlines flights from Chicago to Cairns

Our best Japan Airlines deals on Chicago to Cairns flight tickets
Japan Airlines
Nov 9
ORD5:35 pmChicago O'Hare Intl
50h 15m
2 stops
CNS11:50 amCairns
Dec 1
CNS11:55 amCairns
41h 40m
1 stop
ORD1:35 pmChicago O'Hare Intl
$6,761
Japan Airlines
Sep 5
ORD10:15 amChicago O'Hare Intl
27h 15m
1 stop
CNS4:30 amCairns
Sep 12
CNS11:40 amCairns
34h 40m
1 stop
ORD7:20 amChicago O'Hare Intl
$10,523
Japan Airlines
Sep 24
ORD10:15 amChicago O'Hare Intl
27h 15m
1 stop
CNS4:30 amCairns
Oct 1
CNS11:40 amCairns
34h 40m
1 stop
ORD7:20 amChicago O'Hare Intl
$10,787

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 August 11, 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 Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Tue 9/22

7:48 pm-4:55 pm

2 stops30h 07m

Cairns

Tue 9/29

6:00 am-8:06 pm

2 stops29h 06m

$1,379

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 11/9

6:50 pm-7:05 pm

2 stops56h 15m

Cairns

Tue 12/1

5:25 pm-2:30 pm

2 stops37h 05m

$1,653

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 11/9

6:50 pm-7:05 pm

2 stops56h 15m

Cairns

Tue 12/1

5:25 pm-2:30 pm

2 stops37h 05m

$1,657

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 11/9

11:05 am-2:55 pm

3 stops35h 50m

Cairns

Tue 12/1

6:00 am-2:37 pm

2 stops24h 37m

$1,704

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Mon 11/9

1:57 pm-2:55 pm

3 stops32h 58m

Cairns

Tue 12/1

6:00 am-4:38 pm

2 stops26h 38m

$1,705

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Thu 9/24

3:40 pm-4:55 pm

2 stops34h 15m

Cairns

Thu 10/1

5:40 pm-2:43 pm

2 stops36h 03m

$1,742

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Thu 9/24

7:45 pm-4:55 pm

2 stops30h 10m

Cairns

Thu 10/1

5:40 pm-8:06 pm

2 stops41h 26m

$1,813
Quickest round-trip

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Tue 9/22

11:50 am-4:30 am

1 stop25h 40m

Cairns

Tue 9/29

6:45 am-8:29 pm

2 stops28h 44m

$1,918

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Sat 9/5

7:20 pm-11:20 pm

2 stops37h 00m

Cairns

Sat 9/12

4:35 pm-3:05 pm

2 stops61h 30m

$1,958

ChicagoCairns

ORD Chicago O'Hare Intl - CNS Cairns

ORDCNS

Chicago O'Hare Intl

Tue 9/22

7:48 pm-4:55 pm

2 stops30h 07m

Cairns

Tue 9/29

4:35 pm-7:48 pm

3 stops42h 13m

$2,003

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Cairns from

How to get the cheapest flight ticket from Chicago to Cairns

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Chicago to Cairns?

American Airlines and Qantas Airways are the most popular carriers operating from Chicago to Cairns

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

30h 10m

Direct flights

None
The fastest flight from Chicago to Cairns takes 30h 10m
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 30h 10m.

  • 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.

Traveling to a place near Cairns?

Book flights to Cairns if you plan to visit one of these locations
Port Douglas
Mission Beach
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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