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.

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.

$1,339 Cheap Flights from Chicago to Cairns in 2026

1 adult

0 bags

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Chicago to Cairns

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:45 pm - 9:20 am

ORD

CNS

25h 35m

2 stops

6:05 pm - 9:35 pm

CNS

ORD

42h 30m

2 stops

$1,339Multiple Airlines

Sat, Mar 14 - Sat, Mar 21

2:33 pm - 11:00 am

ORD

CNS

28h 27m

2 stops

3:35 pm - 11:47 pm

CNS

ORD

24h 12m

2 stops

$1,350Qantas Airways

Tue, Feb 24 - Tue, Mar 3

4:45 pm - 2:05 pm

ORD

CNS

30h 20m

2 stops

3:35 pm - 11:55 pm

CNS

ORD

23h 20m

2 stops

$1,444Qantas Airways

Sat, Mar 14 - Sat, Mar 21

2:00 pm - 5:30 pm

ORD

CNS

35h 30m

3 stops

6:00 am - 2:41 pm

CNS

ORD

24h 41m

2 stops

$1,474Multiple Airlines

Tue, Feb 24 - Tue, Mar 3

4:44 pm - 11:00 am

ORD

CNS

27h 16m

2 stops

11:45 am - 11:55 pm

CNS

ORD

27h 10m

2 stops

$1,519Multiple Airlines

Mon, Mar 16 - Sat, Mar 21

2:58 pm - 11:00 am

ORD

CNS

28h 02m

2 stops

3:35 pm - 1:57 pm

CNS

ORD

38h 22m

2 stops

$1,682Qantas Airways

Fri, Feb 13 - Tue, Feb 17

4:49 pm - 11:00 am

ORD

CNS

26h 11m

2 stops

5:35 pm - 1:04 pm

CNS

ORD

35h 29m

2 stops

$1,684Qantas Airways

Fri, Feb 13 - Tue, Feb 17

1:14 pm - 11:00 am

ORD

CNS

30h 46m

2 stops

6:05 pm - 9:35 pm

CNS

ORD

42h 30m

2 stops

$1,773Qantas Airways

Sat, Mar 21 - Sat, Mar 28

4:49 pm - 9:00 pm

ORD

CNS

36h 11m

2 stops

3:35 pm - 1:57 pm

CNS

ORD

38h 22m

2 stops

$1,778Qantas Airways

Fri, Feb 13 - Tue, Feb 17

1:12 pm - 1:50 pm

ORD

CNS

33h 38m

3 stops

6:00 am - 2:41 pm

CNS

ORD

23h 41m

2 stops

$1,821Multiple Airlines

Mon, Mar 16 - Sat, Mar 21

Qantas Airways flights from Chicago to Cairns

Our best Qantas Airways deals on Chicago to Cairns flight tickets

Qantas Airways

Feb 24

ORD2:33 pmChicago O'Hare Intl

28h 27m

2 stops

CNS11:00 amCairns

Mar 3

CNS3:35 pmCairns

24h 12m

2 stops

ORD11:47 pmChicago O'Hare Intl

$1,350

Qantas Airways

Mar 14

ORD4:45 pmChicago O'Hare Intl

30h 20m

2 stops

CNS2:05 pmCairns

Mar 21

CNS3:35 pmCairns

23h 20m

2 stops

ORD11:55 pmChicago O'Hare Intl

$1,444

Qantas Airways

Feb 13

ORD2:58 pmChicago O'Hare Intl

28h 02m

2 stops

CNS11:00 amCairns

Feb 17

CNS3:35 pmCairns

38h 22m

2 stops

ORD1:57 pmChicago O'Hare Intl

$1,682

Air Canada flights from Chicago to Cairns

Our best Air Canada deals on Chicago to Cairns flight tickets

Air Canada

Mar 14

ORD7:10 amChicago O'Hare Intl

40h 45m

3 stops

CNS2:55 pmCairns

Mar 21

CNS3:45 pmCairns

59h 15m

3 stops

ORD12:00 pmChicago O'Hare Intl

$2,564

Air Canada

Feb 13

ORD2:00 pmChicago O'Hare Intl

32h 55m

3 stops

CNS2:55 pmCairns

Feb 17

CNS6:00 amCairns

24h 41m

2 stops

ORD2:41 pmChicago O'Hare Intl

$3,024

Air Canada

Jun 28

ORD3:40 pmChicago O'Hare Intl

28h 30m

2 stops

CNS11:10 amCairns

Jul 11

CNS7:15 pmCairns

57h 07m

3 stops

ORD1:22 pmChicago O'Hare Intl

$3,963

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 3/14

4:45 pm-9:20 am

2 stops25h 35m

Cairns

Sat 3/21

6:05 pm-9:35 pm

2 stops42h 30m

$1,339

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 2/24

2:33 pm-11:00 am

2 stops28h 27m

Cairns

Tue 3/3

3:35 pm-11:47 pm

2 stops24h 12m

$1,350

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 3/14

4:45 pm-2:05 pm

2 stops30h 20m

Cairns

Sat 3/21

3:35 pm-11:55 pm

2 stops23h 20m

$1,444

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 2/24

2:00 pm-5:30 pm

3 stops35h 30m

Cairns

Tue 3/3

6:00 am-2:41 pm

2 stops24h 41m

$1,474

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 3/16

4:44 pm-11:00 am

2 stops27h 16m

Cairns

Sat 3/21

11:45 am-11:55 pm

2 stops27h 10m

$1,519

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 2/13

2:58 pm-11:00 am

2 stops28h 02m

Cairns

Tue 2/17

3:35 pm-1:57 pm

2 stops38h 22m

$1,682

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 2/13

4:49 pm-11:00 am

2 stops26h 11m

Cairns

Tue 2/17

5:35 pm-1:04 pm

2 stops35h 29m

$1,684

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 3/21

1:14 pm-11:00 am

2 stops30h 46m

Cairns

Sat 3/28

6:05 pm-9:35 pm

2 stops42h 30m

$1,773

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Fri 2/13

4:49 pm-9:00 pm

2 stops36h 11m

Cairns

Tue 2/17

3:35 pm-1:57 pm

2 stops38h 22m

$1,778

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 3/16

1:12 pm-1:50 pm

3 stops33h 38m

Cairns

Sat 3/21

6:00 am-2:41 pm

2 stops23h 41m

$1,821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted 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	25h 35m
Direct flights	None

The fastest flight from Chicago to Cairns takes 25h 35m

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 25h 35m.
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.

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.