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?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

When did momondo last update prices for flights from Chicago to Cairns Airport?

Prices for flights from Chicago to Cairns Airport refresh daily.

How old do you have to be to fly from Chicago 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 stopovers. 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 required travel and health documents for your Cairns Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Cairns Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$1,922 Cheap Flights from Chicago to Cairns in 2026

1 adult

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Find the cheapest flights from Chicago to Cairns

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:49 - 21:00

ORD

CNS

36h 11m

2 stops

15:35 - 23:47

CNS

ORD

23h 12m

2 stops

$2,031Qantas Airways

Sun, 1 Mar - Tue, 10 Mar

16:49 - 23:05

ORD

CNS

38h 16m

2 stops

09:20 - 23:47

CNS

ORD

29h 27m

2 stops

$2,080Qantas Airways

Tue, 3 Mar - Tue, 10 Mar

16:49 - 11:00

ORD

CNS

26h 11m

2 stops

15:35 - 23:47

CNS

ORD

23h 12m

2 stops

$2,137Qantas Airways

Mon, 2 Mar - Wed, 11 Mar

16:49 - 23:05

ORD

CNS

38h 16m

2 stops

14:50 - 23:47

CNS

ORD

23h 57m

2 stops

$2,152Qantas Airways

Sat, 28 Feb - Mon, 9 Mar

16:44 - 11:00

ORD

CNS

27h 16m

2 stops

06:40 - 23:47

CNS

ORD

32h 07m

2 stops

$2,172Multiple Airlines

Wed, 18 Mar - Wed, 25 Mar

13:15 - 14:05

ORD

CNS

32h 50m

2 stops

17:35 - 13:04

CNS

ORD

34h 29m

2 stops

$2,241Qantas Airways

Wed, 4 Mar - Mon, 9 Mar

16:49 - 11:00

ORD

CNS

26h 11m

2 stops

15:35 - 23:47

CNS

ORD

23h 12m

2 stops

$2,249Qantas Airways

Sat, 28 Feb - Fri, 13 Mar

13:55 - 17:30

ORD

CNS

35h 35m

3 stops

06:00 - 20:00

CNS

ORD

29h 00m

2 stops

$2,252Multiple Airlines

Mon, 2 Mar - Wed, 11 Mar

16:49 - 11:00

ORD

CNS

26h 11m

2 stops

17:35 - 13:04

CNS

ORD

34h 29m

2 stops

$2,358Qantas Airways

Mon, 2 Mar - Thu, 12 Mar

16:44 - 11:20

ORD

CNS

27h 36m

2 stops

06:00 - 17:46

CNS

ORD

50h 46m

3 stops

$2,365Multiple Airlines

Wed, 18 Mar - Wed, 25 Mar

Qantas Airways flights from Chicago to Cairns

Our best Qantas Airways deals on Chicago to Cairns flight tickets

Qantas Airways

1 Mar

ORD16:49Chicago O'Hare Intl

36h 11m

2 stops

CNS21:00Cairns

10 Mar

CNS15:35Cairns

23h 12m

2 stops

ORD23:47Chicago O'Hare Intl

$2,031

Qantas Airways

3 Mar

ORD16:49Chicago O'Hare Intl

38h 16m

2 stops

CNS23:05Cairns

10 Mar

CNS09:20Cairns

29h 27m

2 stops

ORD23:47Chicago O'Hare Intl

$2,080

Qantas Airways

2 Mar

ORD16:49Chicago O'Hare Intl

26h 11m

2 stops

CNS11:00Cairns

11 Mar

CNS15:35Cairns

23h 12m

2 stops

ORD23:47Chicago O'Hare Intl

$2,137

Air Canada flights from Chicago to Cairns

Our best Air Canada deals on Chicago to Cairns flight tickets

Air Canada

4 Mar

ORD20:40Chicago O'Hare Intl

50h 15m

3 stops

CNS14:55Cairns

11 Mar

CNS06:00Cairns

23h 41m

2 stops

ORD14:41Chicago O'Hare Intl

$2,463

Air Canada

4 Mar

ORD20:40Chicago O'Hare Intl

50h 15m

3 stops

CNS14:55Cairns

9 Mar

CNS17:35Cairns

36h 06m

2 stops

ORD14:41Chicago O'Hare Intl

$2,470

Air Canada

3 Mar

ORD08:00Chicago O'Hare Intl

38h 55m

3 stops

CNS14:55Cairns

11 Mar

CNS06:00Cairns

23h 41m

2 stops

ORD14:41Chicago O'Hare Intl

$2,473

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sun 1/3

16:49-21:00

2 stops36h 11m

Cairns

Tue 10/3

15:35-23:47

2 stops23h 12m

$2,031

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Tue 3/3

16:49-23:05

2 stops38h 16m

Cairns

Tue 10/3

09:20-23:47

2 stops29h 27m

$2,080

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 2/3

16:49-11:00

2 stops26h 11m

Cairns

Wed 11/3

15:35-23:47

2 stops23h 12m

$2,137

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 28/2

16:49-23:05

2 stops38h 16m

Cairns

Mon 9/3

14:50-23:47

2 stops23h 57m

$2,152

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 18/3

16:44-11:00

2 stops27h 16m

Cairns

Wed 25/3

06:40-23:47

2 stops32h 07m

$2,172

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 4/3

13:15-14:05

2 stops32h 50m

Cairns

Mon 9/3

17:35-13:04

2 stops34h 29m

$2,241

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Sat 28/2

16:49-11:00

2 stops26h 11m

Cairns

Fri 13/3

15:35-23:47

2 stops23h 12m

$2,249

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 2/3

13:55-17:30

3 stops35h 35m

Cairns

Wed 11/3

06:00-20:00

2 stops29h 00m

$2,252

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Mon 2/3

16:49-11:00

2 stops26h 11m

Cairns

Thu 12/3

17:35-13:04

2 stops34h 29m

$2,358

ChicagoCairns

ORD - CNS

ORDCNS

Chicago O'Hare Intl

Wed 18/3

16:44-11:20

2 stops27h 36m

Cairns

Wed 25/3

06:00-17:46

3 stops50h 46m

$2,365

Flights are sorted by cheapest return 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 return 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?
The distance between Chicago and Cairns is about 14250.2 km. 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 refresh daily.
How old do you have to be to fly from Chicago 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 stopovers. 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 required travel and health documents for your Cairns Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Cairns Airport. We recommend that you seek guidance from your airline or a reliable 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?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Port Douglas

Palm Cove

Trinity Beach

Mission Beach

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Cairns?

Finding the right flight to Cairns from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cairns quick and easy, saving you time and money.

Can I find flights from Chicago to Cairns with flexible booking policies on momondo?

Yes. All flights to Cairns from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

If you are simply researching potential flights to Cairns, momondo offers a useful price alert feature which will track prices for flights to Cairns from Chicago and alert you when they change.