The cheapest times to fly from STS to CNS are

  • January 15th to May 6th (except the weeks of February 12th and March 26th)
  • May 28th to June 10th
  • August 6th to September 16th (except the week of September 3rd)
  • October 22nd to November 18th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from STS to CNS is early November. Prices can be as high as $4440 for Sunday flights during late December, or as low as $1357 for Wednesday flights around early November.


When to Fly to Cairns

Flying from Santa Rosa, CA (STS) to Cairns (CNS) will usually cost between $1532 to $2720 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early November with an average ticket price of $1557. Due to high demand the most expensive time to fly is late December, with an average price of $3235. Planning your trip to low-cost times can easily save you $1678 on economy flights and even more on first-class flights. Generally, any price below $1729 can be considered a good price for a round-trip STS to CNS flight.

See below for a graph of average weekly prices for the STS to CNS route. All prices are for round-trip tickets in USD.

STS to CNS Flight Prices

Compared to other flights, the STS to CNS flight is more expensive than the average and costs slightly more than the average flight leaving from Santa Rosa. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $294 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $1734. Return trip prices are from the CNS to STS flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from STS to CNS can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 13 hour 36 minutes may not be realistic.


Flight Hacking STS to CNS

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from STS to CNS — but Champion Traveler does!

Hack #1: Los Angeles, CA (STS > LAX > CNS)

  • Price for both tickets: $1334
  • Average savings: $395 (22.85%)

See STS to LAX flights

Hack #2: Singapore (STS > SIN > CNS)

  • Price for both tickets: $1468
  • Average savings: $261 (15.1%)

See STS to SIN flights

Hack #3: Sydney (STS > SYD > CNS)

  • Price for both tickets: $1512
  • Average savings: $217 (12.55%)

See STS to SYD flights


Flight Questions Answered

Still have questions about flying from STS to CNS? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air New Zealand, Alaska, American, JAL, Qantas, Singapore Airlines, United, and potentially more during busy seasons.

How far away is it from Cairns International Airport to Charles M. Schulz – Sonoma County Airport?

The distance between the two airports is roughly 7012 miles or 11285 kilometers.

How long does it take to fly from STS to CNS?

The real-world flight time for a nonstop STS to CNS flight is about 13 hour 36 minutes.

How many flights go between Santa Rosa, CA and Cairns?

It depends on the day of the week and the date, but a typical day might have around 21 available flights from STS to CNS.


Airport Location Info


Departing Airport

Origination code STS
Origination airport name Charles M. Schulz – Sonoma County Airport
City Santa Rosa, CA
Country the United States
Latitude 38.5
Longitude -122.8

Return Airport

Destination code CNS
Destination airport name Cairns International Airport
City Cairns
Country Australia
Latitude -16.9
Longitude 145.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.