Which airports can I use when flying from St. Louis to Cairns?

Flights from St. Louis to Cairns usually depart from Lambert-St Louis (STL) and arrive at Cairns (CNS).

What cabin classes can I book on flights from St. Louis to Cairns?

Only Economy Class is available on flights from St. Louis to Cairns.

Can I save money by using flexible dates for flights from St. Louis to Cairns?

Yes. Flexible dates can save you up to 32% on flights from St. Louis to Cairns. Monday is the cheapest departure day at $1,417 round-trip on average, while Saturday is the most expensive at $2,075, a difference of $658. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

What popular places can I visit in Cairns?

Some of the most popular sights in Cairns are Cairns Convention Centre and Reef Hotel Casino. These are among the most viewed places in Cairns on KAYAK.

Do I need a passport to fly from St. Louis to Cairns?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from St. Louis to Cairns changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,394 to $2,757. That means the highest observed fare was about 97% higher than the lowest one.

How are flight prices from St. Louis to Cairns looking right now?

One-way fares from St. Louis to Cairns are currently lower than usual. Average one-way flight prices are about $726, which is 22% below the typical average for this route.

What is the time difference between St. Louis and Cairns?

Cairns is 15 hours ahead of St. Louis (Eastern Australia Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at Cairns Airport (CNS)?

Cairns Airport (CNS) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include: • Bargain Car Rentals • East Coast Car Rentals • Simba Car Hire • Europcar • Ace Rental Cars

How much is a round-trip flight from St. Louis to Cairns?

Round-trip flights from St. Louis to Cairns typically range from $1,543 to $2,075. The lowest price found in the past 5 days was $1,394, on Air Canada.

Which airline is the cheapest to fly from St. Louis to Cairns?

Air Canada ($1,394) and Qantas Airways ($1,538) are the cheapest airlines to fly round-trip from St. Louis to Cairns according to KAYAK data over the last 5 days.

$717 CHEAP FLIGHTS from St. Louis to Cairns (STL - CNS)

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Cheapest round-trip

$1,394

Typical prices: $1,543-$2,075

Air Canada

Tue 2/13Sat 2/17

STL - CNS • 3 stops

Cheapest one-way

$717

Typical prices: $929-$929

Multiple Airlines

Sat 12/1

STL - CNS • 2 stops

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We hope you love your trip to Cairns!

Cheap Flights from St. Louis to Cairns (STL-CNS)

Cheap flights from St. Louis to Cairns with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Sat, Feb 13 - Wed, Feb 17

2:24 pm - 10:30 amSTL Lambert-St Louis-CNS Cairns

28h 06m2 stops Dallas/Fort Worth Brisbane

9:15 am - 11:56 pmCNS Cairns-STL Lambert-St Louis

30h 41m2 stops Brisbane Los Angeles

$1,667Qantas Airways

Sat, Feb 13 - Wed, Feb 17

2:24 pm - 10:30 amSTL Lambert-St Louis-CNS Cairns

28h 06m2 stops Dallas/Fort Worth Brisbane

9:15 am - 11:56 pmCNS Cairns-STL Lambert-St Louis

30h 41m2 stops Brisbane Los Angeles

$1,668Qantas Airways

Sun, Nov 29 - Sun, Dec 6

7:05 pm - 2:55 pmSTL Lambert-St Louis-CNS Cairns

27h 50m2 stops San Francisco Sydney Kingsford Smith

6:00 am - 6:11 pmCNS Cairns-STL Lambert-St Louis

28h 11m2 stops Brisbane San Francisco

$1,707United Airlines

Sat, Feb 13 - Wed, Feb 17

6:00 am - 10:15 amSTL Lambert-St Louis-CNS Cairns

60h 15m3 stops Chicago O'Hare Intl Los Angeles Sydney Kingsford Smith

6:00 am - 5:51 pmCNS Cairns-STL Lambert-St Louis

27h 51m2 stops Brisbane San Francisco

$2,276United Airlines

Sat, Feb 13 - Wed, Feb 17

6:00 am - 10:15 amSTL Lambert-St Louis-CNS Cairns

60h 15m3 stops Chicago O'Hare Intl Los Angeles Sydney Kingsford Smith

6:00 am - 5:51 pmCNS Cairns-STL Lambert-St Louis

27h 51m2 stops Brisbane San Francisco

$2,277United Airlines

Sat, Feb 13 - Wed, Feb 17

1:08 pm - 2:55 pmSTL Lambert-St Louis-CNS Cairns

33h 47m3 stops Chicago O'Hare Intl Houston George Bush Intcntl Sydney Kingsford Smith

6:00 am - 5:51 pmCNS Cairns-STL Lambert-St Louis

27h 51m2 stops Brisbane San Francisco

$2,401United Airlines

Sat, Feb 13 - Wed, Feb 17

4:05 pm - 2:55 pmSTL Lambert-St Louis-CNS Cairns

54h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

3:45 pm - 3:26 pmCNS Cairns-STL Lambert-St Louis

63h 41m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$2,756Air Canada

Sat, Feb 13 - Wed, Feb 17

4:05 pm - 2:55 pmSTL Lambert-St Louis-CNS Cairns

54h 50m3 stops Toronto Pearson Intl Vancouver Intl Sydney Kingsford Smith

3:45 pm - 3:26 pmCNS Cairns-STL Lambert-St Louis

63h 41m3 stops Sydney Kingsford Smith Vancouver Intl Toronto Pearson Intl

$2,757Air Canada

Sat, Feb 13 - Wed, Feb 17

1:08 pm - 2:55 pmSTL Lambert-St Louis-CNS Cairns

33h 47m3 stops Chicago O'Hare Intl Houston George Bush Intcntl Sydney Kingsford Smith

6:00 am - 5:51 pmCNS Cairns-STL Lambert-St Louis

27h 51m2 stops Brisbane San Francisco

$2,858United Airlines

Price, demand and travel trends for St. Louis to Cairns flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Prices

Airlines

How much is a round-trip flight from St. Louis to Cairns? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Cairns departing in february.

Find deals

Cheapest flight	$717

One-way flight from St. Louis to Cairns

When to book flights from St. Louis to Cairns

Are your dates flexible? Find out the best times to travel from St. Louis to Cairns based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Cairns?
Only Economy Class is available on flights from St. Louis to Cairns.
Do I need a passport to fly from St. Louis to Cairns?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from St. Louis to Cairns changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $1,394 to $2,757. That means the highest observed fare was about 97% higher than the lowest one.
How are flight prices from St. Louis to Cairns looking right now?
One-way fares from St. Louis to Cairns are currently lower than usual. Average one-way flight prices are about $726, which is 22% below the typical average for this route.
What car rental options are available at Cairns Airport (CNS)?
Cairns Airport (CNS) hosts 5 major car rental companies, with daily rates starting from around $12 for economy cars. Top options include:

• Bargain Car Rentals
• East Coast Car Rentals
• Simba Car Hire
• Europcar
• Ace Rental Cars
Which airports can I use when flying from St. Louis to Cairns?
Flights from St. Louis to Cairns usually depart from Lambert-St Louis (STL) and arrive at Cairns (CNS).
Can I save money by using flexible dates for flights from St. Louis to Cairns?
Yes. Flexible dates can save you up to 32% on flights from St. Louis to Cairns. Monday is the cheapest departure day at $1,417 round-trip on average, while Saturday is the most expensive at $2,075, a difference of $658.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
What is the time difference between St. Louis and Cairns?
Cairns is 15 hours ahead of St. Louis (Eastern Australia Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in Cairns?
Some of the most popular sights in Cairns are Cairns Convention Centre and Reef Hotel Casino. These are among the most viewed places in Cairns on KAYAK.

If your dates are flexible, aim for a Monday departure and avoid flying on Saturday. On this route, Monday flights average $1,417, about $658 less than Saturday fares (32% savings) based on the last 12 months.
If you're arriving late at night and need somewhere to stay, check out these hotels close to Cairns Airport.

• Cairns Sheridan Hotel
• Floriana Boutique Hotel
• Kookas Bed & Breakfast

More options for your flight from St. Louis to Cairns

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STL - CNS

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Everything you should know

Cheap Flights from St. Louis to Cairns (STL-CNS)

Cheap flights from St. Louis to Cairns with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Price, demand and travel trends for St. Louis to Cairns flights

How much is a round-trip flight from St. Louis to Cairns?

Which airline is the cheapest to fly from St. Louis to Cairns?

Key details for St. Louis to Cairns flights

Cheapest flight

When to book flights from St. Louis to Cairns

Your St. Louis to Cairns flight questions, answered

Your guide to booking St. Louis to Cairns flights

More options for your flight from St. Louis to Cairns

Complete your trip to Cairns with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Cairns

Find direct flights to and from St. Louis and Cairns

Flights from domestic origins to Cairns

Flights to other popular destinations