The cheapest times to fly from KSC to STS are

  • March 26th to August 5th
  • October 8th to October 21st

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 KSC to STS is mid April. Prices can be as high as $3867 for Wednesday flights during early January, or as low as $868 for Monday flights around mid April.


When to Fly to Santa Rosa

Flying from Kosice (KSC) to Santa Rosa, CA (STS) will usually cost between $923 to $3755 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid April with an average ticket price of $913. Due to high demand the most expensive time to fly is early January, with an average price of $3325. Planning your trip to low-cost times can easily save you $2413 on economy flights and even more on first-class flights. Generally, any price below $1074 can be considered a good price for a round-trip KSC to STS flight.

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

KSC to STS Flight Prices

Compared to other flights, the KSC to STS flight is priced close to the average and costs slightly more than the average flight leaving from Košice. The average price per mile (for a direct flight) is $0.11, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to STS, and Tuesday the cheapest day to fly back into KSC. Wednesdays are the most expensive days to fly to Santa Rosa, and Fridays are the most expensive days to return to Košice. Selecting flights on the least expensive days could save you up to $1237 (47%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1148. Return trip prices are from the STS to KSC 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 KSC to STS can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 11 hour 49 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from KSC to STS while comparing.

Destination alternative #1: San Francisco International Airport (SFO) in San Francisco, CA

  • 66 miles (106 km) away from STS
  • Usually 28.21% less expensive than STS
  • 2-layover flights available

See KSC to SFO flights


Flight Hacking KSC to STS

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 KSC to STS — but Champion Traveler does!

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

  • Price for both tickets: $946
  • Average savings: $129 (11.96%)

See KSC to PRG flights

Hack #2: Prague (KSC > PRG > STS)

  • Price for both tickets: $1017
  • Average savings: $57 (5.31%)

See KSC to LAX flights

Hack #3: Warsaw (KSC > WAW > STS)

  • Price for both tickets: $1032
  • Average savings: $42 (3.91%)

See KSC to WAW flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 11 major airlines flying this route most often: Air Baltic, Air France, Alaska, American, Austrian, CSA, Delta, KLM, LOT, Lufthansa, United, and potentially more during busy seasons.

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

The distance between the two airports is roughly 6023 miles or 9693 kilometers.

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

The real-world flight time for a nonstop KSC to STS flight is about 11 hour 49 minutes.

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

It depends on the day of the week and the date, but a typical day might have around 15 available flights from KSC to STS.


Airport Location Info


Departing Airport

Origination code KSC
Origination airport name Kosice International Airport
City Kosice
Country Slovakia
Latitude 48.7
Longitude 21.2

Return Airport

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


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.