$170 Cheap Flights from Raleigh (RDU) to Santa Rosa (STS)

View $170 flight on Tue, Jan 6, 2026Opens in a new window

Popular airlines from Raleigh-Durham International Airport (RDU) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Raleigh to Santa Rosa (RDU-STS)

Prices were available within the past 7 days and start at $170 for one-way flights and $300 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
RDU
Raleigh
STS
Santa Rosa
$300 Roundtrip, found 4 days ago
$300
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Jan 12 from Raleigh to Santa Rosa, returning Wed, Jan 14, priced at $300 found 4 days ago
Alaska Airlines
Wed, Feb 25 - Tue, Mar 3
RDU
Raleigh
STS
Santa Rosa
$318 Roundtrip, found 6 days ago
$318
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Feb 25 from Raleigh to Santa Rosa, returning Tue, Mar 3, priced at $318 found 6 days ago
Alaska Airlines
Wed, Jan 7 - Mon, Jan 12
RDU
Raleigh
STS
Santa Rosa
$320 Roundtrip, found 6 days ago
$320
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Jan 7 from Raleigh to Santa Rosa, returning Mon, Jan 12, priced at $320 found 6 days ago
Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
RDU
Raleigh
STS
Santa Rosa
$324 Roundtrip, found 4 days ago
$324
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Jan 12 from Raleigh to Santa Rosa, returning Wed, Jan 14, priced at $324 found 4 days ago
Alaska Airlines
Fri, Jan 16 - Mon, Jan 19
RDU
Raleigh
STS
Santa Rosa
$329 Roundtrip, found 6 days ago
$329
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Raleigh to Santa Rosa, returning Mon, Jan 19, priced at $329 found 6 days ago
Hawaiian Airlines
Wed, Jan 28 - Sun, Feb 1
RDU
Raleigh
STS
Santa Rosa
$334 Roundtrip, found 3 days ago
$334
Roundtrip
found 3 days ago
Select Hawaiian Airlines flight, departing Wed, Jan 28 from Raleigh to Santa Rosa, returning Sun, Feb 1, priced at $334 found 3 days ago
Alaska Airlines
Mon, Jan 12 - Wed, Jan 14
RDU
Raleigh
STS
Santa Rosa
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Mon, Jan 12 from Raleigh to Santa Rosa, returning Wed, Jan 14, priced at $339 found 4 days ago
Alaska Airlines
Fri, Jan 16 - Mon, Jan 19
RDU
Raleigh
STS
Santa Rosa
$339 Roundtrip, found 6 days ago
$339
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Raleigh to Santa Rosa, returning Mon, Jan 19, priced at $339 found 6 days ago
American Airlines
Sat, Jan 31 - Tue, Feb 3
RDU
Raleigh
STS
Santa Rosa
$409 Roundtrip, found 22 hours ago
$409
Roundtrip
found 22 hours ago
Select American Airlines flight, departing Sat, Jan 31 from Raleigh to Santa Rosa, returning Tue, Feb 3, priced at $409 found 22 hours ago
Southwest Airlines
Tue, May 12 - Thu, May 14
RDU
Raleigh
STS
Santa Rosa
$504 Roundtrip, found 4 days ago
$504
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Tue, May 12 from Raleigh to Santa Rosa, returning Thu, May 14, priced at $504 found 4 days ago

Find the cheapest month to fly from Raleigh (RDU) to Santa Rosa (STS)

January is typically the cheapest month to fly

From $334 - $808 per traveler.

Alternative airports near Santa Rosa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sonoma County STS. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $838
STS
Sonoma County
CheapestClosest
Average driving time to city center10 min
Flights from $838
Flights from Raleigh (RDU) to Santa Rosa (STS)
Origin airport
Raleigh - Durham Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines, Southwest Airlines
Roundtrip price
$300
Distance
2406 mi

Raleigh to Santa Rosa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Raleigh 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 Raleigh 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 Raleigh to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $170 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 Raleigh 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 Raleigh 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 Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS) cost?
Snag a cheap one-way flight from $170 or cheap return flight from $300 from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between RDU and STS. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest RDU to STS flight.
How many flights per day from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS)?
There are no daily direct flights departing from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from RDU to STS?
Typically you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can change depending 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 Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS)?
To avoid potential delays on the Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS) route, fly before 3 PM. Departures after this hour are 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.
What airports do you fly into for Santa Rosa from Raleigh - Durham Intl. Airport (RDU)?
Browse your flight options from Raleigh - Durham Intl. Airport (RDU) to San Francisco Intl. Airport (SFO). This is the only airport in Santa Rosa you can land at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS) last-minute?
Waiting until just before your trip to book a ticket from RDU to STS generally means paying more. Although you may find some last-minute offers, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of landing a bargain.
Is it cheaper to book a RDU to STS flight and hotel package?
Compared with arranging flights and hotels separately, booking a RDU to STS flight and hotel package with Expedia could result in significant savings. Better still, having everything in one place will take the hassle out of planning your trip. Just pick your flights and choose from our extensive range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Raleigh - Durham Intl. Airport (RDU) to Sonoma County Airport (STS)?
If you booked your RDU to STS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

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*Available to One Key members.