$385 Cheap Flights from Dayton (DAY) to Santa Rosa (STS)

View $385 flight on Wed, Apr 29, 2026Opens in a new window

Popular airlines from Dayton Intl. Airport (DAY) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Dayton to Santa Rosa (DAY-STS)

Prices were available within the past 7 days and start at $385 for one-way flights and $649 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Dec 4 - Sun, Dec 7
DAY
Dayton
STS
Santa Rosa
$649 Roundtrip, found 3 days ago
$649
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Dayton to Santa Rosa, returning Sun, Dec 7, priced at $649 found 3 days ago
Alaska Airlines
Mon, Dec 15 - Tue, Dec 30
DAY
Dayton
STS
Santa Rosa
$709 Roundtrip, found 20 hours ago
$709
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Mon, Dec 15 from Dayton to Santa Rosa, returning Tue, Dec 30, priced at $709 found 20 hours ago
Alaska Airlines
Mon, Dec 15 - Tue, Dec 30
DAY
Dayton
STS
Santa Rosa
$714 Roundtrip, found 20 hours ago
$714
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Mon, Dec 15 from Dayton to Santa Rosa, returning Tue, Dec 30, priced at $714 found 20 hours ago
Alaska Airlines
Mon, Dec 15 - Tue, Dec 30
DAY
Dayton
STS
Santa Rosa
$769 Roundtrip, found 20 hours ago
$769
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Mon, Dec 15 from Dayton to Santa Rosa, returning Tue, Dec 30, priced at $769 found 20 hours ago
Alaska Airlines
Mon, Dec 15 - Tue, Dec 30
DAY
Dayton
STS
Santa Rosa
$774 Roundtrip, found 20 hours ago
$774
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Mon, Dec 15 from Dayton to Santa Rosa, returning Tue, Dec 30, priced at $774 found 20 hours ago
Alaska Airlines
Mon, Dec 15 - Tue, Dec 30
DAY
Dayton
STS
Santa Rosa
$779 Roundtrip, found 20 hours ago
$779
Roundtrip
found 20 hours ago
Select Alaska Airlines flight, departing Mon, Dec 15 from Dayton to Santa Rosa, returning Tue, Dec 30, priced at $779 found 20 hours ago
Alaska Airlines
Tue, Dec 9 - Mon, Dec 29
DAY
Dayton
STS
Santa Rosa
$823 Roundtrip, found 21 hours ago
$823
Roundtrip
found 21 hours ago
Select Alaska Airlines flight, departing Tue, Dec 9 from Dayton to Santa Rosa, returning Mon, Dec 29, priced at $823 found 21 hours ago
Delta
Fri, Nov 7 - Sun, Nov 9
DAY
Dayton
STS
Santa Rosa
$889 Roundtrip, found 6 days ago
$889
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Nov 7 from Dayton to Santa Rosa, returning Sun, Nov 9, priced at $889 found 6 days ago
American Airlines
Fri, Nov 7 - Wed, Nov 12
DAY
Dayton
STS
Santa Rosa
$893 Roundtrip, found 2 days ago
$893
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Nov 7 from Dayton to Santa Rosa, returning Wed, Nov 12, priced at $893 found 2 days ago
United
Fri, Nov 7 - Wed, Nov 12
DAY
Dayton
STS
Santa Rosa
$933 Roundtrip, found 2 days ago
$933
Roundtrip
found 2 days ago
Select United flight, departing Fri, Nov 7 from Dayton to Santa Rosa, returning Wed, Nov 12, priced at $933 found 2 days ago

Frequently asked questions

How much does a flight from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS) cost?
Snag a cheap one-way flight from $385 or cheap return flight from $649 from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS)?
The cheapest month to fly from DAY to STS is December, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS)?
To find the cheapest airline that'll fly you from DAY to STS, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS)?
You'll need to take a flight with a layover if you're traveling from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from DAY to STS?
Generally you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS)?
Opt for a flight from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures later than this are on average 22% more likely to be 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.
Is it cheaper to buy a plane ticket from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS) last-minute?
Waiting until just before your trip to book your flight from DAY to STS often results in higher prices. While you may come across some last-minute offers, there's no guarantee. Keep your travel schedule open to maximize your chances of landing a bargain.
Is it cheaper to book a DAY to STS flight and hotel package?
Booking a DAY to STS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Choose from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from James M. Cox Dayton Intl. Airport (DAY) to Sonoma County Airport (STS)?
If you booked your DAY to STS flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Travel information

Origin airport
James M. Cox Dayton Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines
Roundtrip price
$649
Distance
2051 mi

Book with confidence

Dayton to Santa Rosa Flights

The cheapest times to fly from Dayton 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 Dayton to Santa Rosa are during the month of December. You can find some of the cheapest flights from Dayton to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dayton to Santa Rosa

Sunday is one of the best days to book for cheap flights from Dayton 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 Dayton 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 Dayton to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $385 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 Dayton 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 Dayton 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.

 

Dayton to Santa Rosa Flights

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*Available to One Key members.