$981 Cheap Flights from Denver (DEN) to Cairns (CNS)

View $981 flight on Mon, Nov 9, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to Cairns Intl. Airport (CNS)

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Cheap Flights from Denver to Cairns (DEN-CNS)

Prices were available within the past 7 days and start at $981 for one-way flights and $1,757 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Mon, Nov 9 - Mon, Nov 16
DEN
Denver
CNS
Cairns
$1,757 Roundtrip, found 1 day ago
$1,757
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 9 from Denver to Cairns, returning Mon, Nov 16, priced at $1,757 found 1 day ago
Air Canada
Mon, Oct 5 - Tue, Oct 27
DEN
Denver
CNS
Cairns
$1,758 Roundtrip, found 1 day ago
$1,758
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Oct 5 from Denver to Cairns, returning Tue, Oct 27, priced at $1,758 found 1 day ago
Air Canada
Mon, Nov 9 - Mon, Nov 16
DEN
Denver
CNS
Cairns
$1,761 Roundtrip, found 1 day ago
$1,761
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Nov 9 from Denver to Cairns, returning Mon, Nov 16, priced at $1,761 found 1 day ago
Air Canada
Mon, Oct 5 - Tue, Oct 27
DEN
Denver
CNS
Cairns
$1,762 Roundtrip, found 1 day ago
$1,762
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Oct 5 from Denver to Cairns, returning Tue, Oct 27, priced at $1,762 found 1 day ago
Air Canada
Thu, Sep 10 - Mon, Sep 21
DEN
Denver
CNS
Cairns
$1,805 Roundtrip, found 2 days ago
$1,805
Roundtrip
found 2 days ago
Select Air Canada flight, departing Thu, Sep 10 from Denver to Cairns, returning Mon, Sep 21, priced at $1,805 found 2 days ago
Air Canada
Sat, Sep 19 - Sun, Sep 27
DEN
Denver
CNS
Cairns
$1,805 Roundtrip, found 4 days ago
$1,805
Roundtrip
found 4 days ago
Select Air Canada flight, departing Sat, Sep 19 from Denver to Cairns, returning Sun, Sep 27, priced at $1,805 found 4 days ago
Air New Zealand
Sun, Aug 23 - Mon, Aug 31
DEN
Denver
CNS
Cairns
$1,831 Roundtrip, found 1 day ago
$1,831
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Sun, Aug 23 from Denver to Cairns, returning Mon, Aug 31, priced at $1,831 found 1 day ago
United
Wed, Jul 1 - Sun, Jul 12
DEN
Denver
CNS
Cairns
$1,925 Roundtrip, found 8 hours ago
$1,925
Roundtrip
found 8 hours ago
Select United flight, departing Wed, Jul 1 from Denver to Cairns, returning Sun, Jul 12, priced at $1,925 found 8 hours ago
Qantas Airways
Mon, Oct 5 - Tue, Oct 27
DEN
Denver
CNS
Cairns
$1,973 Roundtrip, found 1 day ago
$1,973
Roundtrip
found 1 day ago
Select Qantas Airways flight, departing Mon, Oct 5 from Denver to Cairns, returning Tue, Oct 27, priced at $1,973 found 1 day ago
American Airlines
Mon, Oct 5 - Tue, Oct 27
DEN
Denver
CNS
Cairns
$2,053 Roundtrip, found 1 day ago
$2,053
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Oct 5 from Denver to Cairns, returning Tue, Oct 27, priced at $2,053 found 1 day ago

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) cost?
You can find cheap one-way flights and cheap return flights from $1,757 Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) with Expedia. One-way flights generally range between $894 and $3285, and roundtrip flights usually range from $1493 to $8173. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The cheapest month to fly from DEN to CNS is November when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
Enter DEN to CNS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
Delta is one of the cheapest airlines offering connecting flights from Denver Intl. (DEN) to Cairns Intl. (CNS), with round-trip tickets starting from around $1870 with a layover in Los Angeles Intl. (LAX). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The earliest flight from Denver International Airport (DEN) to Cairns International Airport (CNS) typically departs at around 12:55 AM, operated by JetBlue Airways and Japan Airlines. This is a seasonal service available in December, and an early flight can help you start your adventure in Cairns. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
The most popular departure times for flights from Denver Intl. (DEN) to Cairns Intl. (CNS) are in the evening, from 6pm to 9pm. About 47% of passengers prefer this time window. Many major carriers, including Air Canada and Delta, offer flights during this period. This timing works well for travelers looking to maximize their time in Denver before departure.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
Flights from DEN to CNS with one stop typically take around 24 hours 50 minutes, covering approximately 7,988 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
Business class seats are offered on the DEN to CNS route with American Airlines and United Airlines.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Cairns from Denver Intl. (DEN)?
From Denver Intl. (DEN), you can fly typically into Cairns Intl. (CNS) to reach Cairns. Some flights may connect through major hubs like Los Angeles Intl. (LAX), Vancouver Intl. (YVR), San Francisco Intl. (SFO) before reaching Cairns. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) Cairns Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.)?
If you booked your Denver, CO (DEN-Denver Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Denver Intl.
Destination airport
Cairns Intl.
Airlines serving
Air Canada, Air New Zealand, American Airlines, Lufthansa, Qantas Airways, United
Roundtrip price
$1,756
Distance
7987 mi

Book with confidence

Denver to Cairns Flights

The cheapest times to fly from Denver to Cairns

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Denver to Cairns are during the month of November. You can find some of the cheapest flights from Denver to Cairns with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Denver to Cairns

Sunday is one of the best days to book for cheap flights from Denver to Cairns: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Denver to Cairns

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Denver to Cairns in 2026. You can also book with separate airlines for your outbound and return journeys, from $981 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Denver to Cairns flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Denver to Cairns airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Denver to Cairns Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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