Cheap Flights from Frederick (FDK) to Santa Rosa (STS)

Lock in a cheap one-way flight or cheap return flight from Frederick, MD (FDK-Frederick Municipal) to Sonoma County Airport (STS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.

Planning your getaway for can help you save, as it's the cheapest month for flights between FDK and STS. You'll typically find the lowest fares during off-peak months.

Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest FDK to STS flight.

There are no daily nonstop flights departing from Frederick, MD (FDK-Frederick Municipal) to Sonoma County Airport (STS). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.

You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.

*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.

To arrive at Sonoma County Airport (STS) on time, choose a flight that takes off from Frederick, MD (FDK-Frederick Municipal) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.*

*Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Last-minute fares from FDK to STS are typically more expensive. To secure the best prices, start searching for flights early. That being said, if you're flexible with your travel plans, you may score a cheap fare right before your trip.

Compared with arranging hotels and flights separately, booking a FDK to STS flight and hotel package with Expedia could result in significant savings. Better yet, having everything in one easy place will take the stress out of planning your trip. Simply secure your flights and choose from our extensive range of hotels, then customize your trip with other add-ons like tours and car rentals.

If you booked your FDK to STS flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.