$59 Cheap Flights from Las Vegas (LAS) to Santa Rosa (STS)

Popular airlines from Harry Reid Intl. Airport (LAS) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Las Vegas to Santa Rosa (LAS-STS)

Prices were available within the past 7 days and start at $59 for one-way flights and $117 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Hawaiian Airlines
Alaska Airlines
American Airlines
Flights from Las Vegas (LAS) to Santa Rosa (STS)
Origin airport
Harry Reid Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$117
Distance
452 mi

Las Vegas to Santa Rosa Flights

The cheapest times to fly from Las Vegas to Santa Rosa

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 Las Vegas to Santa Rosa are during the month of May. You can find some of the cheapest flights from Las Vegas to Santa Rosa with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Las Vegas to Santa Rosa

Sunday is one of the best days to book for cheap flights from Las Vegas to Santa Rosa: 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 Las Vegas to Santa Rosa

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 Las Vegas to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $59 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 Las Vegas to Santa Rosa 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 Las Vegas to Santa Rosa 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.

Frequently asked questions

How much does a flight from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS) cost?
Find affordable return tickets from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS) starting from $117. Grab a seat and take off on your trip. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Alaska Airlines flight leaving LAS on May 15 2025 and touching down at STS. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from LAS to STS?
The cheapest flights from LAS to STS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
Board a direct flight with Alaska Airlines and fly straight from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS).
What is the cheapest airline that flies from LAS to STS?
Journey from LAS to STS with Alaska Airlines. This carrier currently offers the lowest one-way fare for this route, starting at $59. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from LAS on June 17 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
On average, just 1 direct flight departs daily from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS). Seeking more options? Use our filters to discover flights with layovers and add a new destination to your journey.
What are the most popular departure times for flights from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
More passengers fly between LAS and STS at 4 PM than at any other point in the day. Prefer a quieter experience? Travel outside of rush hours and there’s a chance you’ll save on your fare as well.
What day of the week has the most flights from LAS to STS?
Depart on a Monday if you’re after the best choice of flights from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS).
What is the earliest flight from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
Harry Reid Intl. Airport (LAS)’s first flight to Sonoma County Airport (STS) is at approximately 11:24AM UTC-8. With a total flight time of 1h 48m, you’ll touch down at around 1:12PM UTC-8.
How long does it take to fly from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
The average flight duration from LAS to STS is 1 hour and 46 minutes, covering a total distance of 450 mi.
What is the best time to fly from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
To avoid possible delays on the Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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.
What airports do you fly into for Santa Rosa from Harry Reid Intl. Airport (LAS)?
Catch a direct flight from Harry Reid Intl. Airport (LAS) to Santa Rosa and touch down at one of these airports:

  • San Francisco Intl. Airport (SFO)
  • Oakland Intl. Airport (OAK)
  • Sonoma County Airport (STS)

Is it cheaper to buy a plane ticket from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS) last-minute?
Booking your flight from LAS to STS just before your trip is usually more expensive. However, if there’s some wiggle room with your departure times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a LAS to STS flight and hotel package?
You can save money by booking a LAS to STS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it’s easy to manage everything in one place. Once you’ve selected your ideal flights and accommodations, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Harry Reid Intl. Airport (LAS) to Sonoma County Airport (STS)?
Typically, you’re able to cancel or reschedule your LAS to STS flight. However, there may be additional charges, especially if your booking was made over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you need more information, visit our Customer Service portal.

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