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$183 Cheap Flights from Redmond (RDM) to Santa Rosa (STS)

View $183 flight on Tue, Feb 9, 2027Opens in a new window

Popular airlines from Redmond Municipal Airport (RDM) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Redmond to Santa Rosa (RDM-STS)

Prices were available within the past 7 days and start at $183 for one-way flights and $341 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Oct 17 - Sat, Oct 24
RDM
Redmond
STS
Santa Rosa
$341 Roundtrip, found 13 hours ago
$341
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Oct 17 from Redmond to Santa Rosa, returning Sat, Oct 24, priced at $341 found 13 hours ago
Alaska Airlines
Tue, Nov 3 - Wed, Nov 11
RDM
Redmond
STS
Santa Rosa
$343 Roundtrip, found 5 days ago
$343
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 3 from Redmond to Santa Rosa, returning Wed, Nov 11, priced at $343 found 5 days ago
Alaska Airlines
Sat, Oct 17 - Sat, Oct 24
RDM
Redmond
STS
Santa Rosa
$361 Roundtrip, found 13 hours ago
$361
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Oct 17 from Redmond to Santa Rosa, returning Sat, Oct 24, priced at $361 found 13 hours ago
Alaska Airlines
Tue, Nov 3 - Wed, Nov 11
RDM
Redmond
STS
Santa Rosa
$363 Roundtrip, found 5 days ago
$363
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 3 from Redmond to Santa Rosa, returning Wed, Nov 11, priced at $363 found 5 days ago
Delta
Tue, Nov 3 - Wed, Nov 11
RDM
Redmond
STS
Santa Rosa
$365 Roundtrip, found 5 days ago
$365
Roundtrip
found 5 days ago
Select Delta flight, departing Tue, Nov 3 from Redmond to Santa Rosa, returning Wed, Nov 11, priced at $365 found 5 days ago
Alaska Airlines
Sat, Oct 17 - Sat, Oct 24
RDM
Redmond
STS
Santa Rosa
$366 Roundtrip, found 13 hours ago
$366
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Oct 17 from Redmond to Santa Rosa, returning Sat, Oct 24, priced at $366 found 13 hours ago
Alaska Airlines
Tue, Nov 3 - Wed, Nov 11
RDM
Redmond
STS
Santa Rosa
$368 Roundtrip, found 5 days ago
$368
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 3 from Redmond to Santa Rosa, returning Wed, Nov 11, priced at $368 found 5 days ago
Alaska Airlines
Sat, Oct 24 - Mon, Oct 26
RDM
Redmond
STS
Santa Rosa
$378 Roundtrip, found 4 days ago
$378
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Sat, Oct 24 from Redmond to Santa Rosa, returning Mon, Oct 26, priced at $378 found 4 days ago
Alaska Airlines
Tue, Nov 3 - Wed, Nov 11
RDM
Redmond
STS
Santa Rosa
$378 Roundtrip, found 5 days ago
$378
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Tue, Nov 3 from Redmond to Santa Rosa, returning Wed, Nov 11, priced at $378 found 5 days ago
American Airlines
Wed, Dec 9 - Thu, Dec 17
RDM
Redmond
STS
Santa Rosa
$593 Roundtrip, found 11 hours ago
$593
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Dec 9 from Redmond to Santa Rosa, returning Thu, Dec 17, priced at $593 found 11 hours ago

Find the cheapest month to fly from Redmond (RDM) to Santa Rosa (STS)

January is typically the cheapest month to fly

From $222 - $485 per traveler.

What you need to know for your flight from Robert's Field to Sonoma County

Redmond (RDM) to Santa Rosa (STS) at a glance

Travel from Redmond (RDM) to Santa Rosa (STS) with a selection of airlines offering direct routes on this domestic short-haul journey. Whether you prefer full-service options or are searching for cheap flights from Redmond, you can compare different itineraries to find the perfect fit for your budget and schedule. Explore the iconic sights and neighborhoods of Santa Rosa, while discovering the key details for rdm to sts flights from Robert's Field Airport to Sonoma County Airport.

  • Fastest flight duration: around 1h 30m non-stop
  • Route distance: roughly 400 miles (645 km)
  • Flights per week: around 7 departures on average
  • Typical fares (one-way): economy tickets often range from $55–$425, depending on seasonality and how far ahead you book

Flights from Robert's Field Airport (RDM) to Sonoma County Airport (STS)

Based on the latest traveler bookings, here are the top airlines favored for flights from Redmond to Santa Rosa, featuring both non-stop and one-stop options. Popular layover points include Portland International Airport (PDX), with an average layover of about 1 hour and 15 minutes, and Seattle-Tacoma International Airport (SEA), also around 1 hour and 15 minutes. This gives you the flexibility to choose based on price, total travel time, and cabin class for the best travel itinerary.

  • Alaska Airlines: This full-service airline provides one-stop flights, with one-way ticket prices generally between $145 and $580. It operates around 71% of departures on this route, featuring an in-flight duration of 2 hours and 45 minutes, resulting in a total travel time of about 4 hours, including layover time.
  • Avelo Airlines: A low-cost option, Avelo Airlines offers non-stop services with one-way fares typically ranging from $55 to $80. This carrier handles approximately 21% of departures for this route, ensuring a total journey time of 1 hour and 30 minutes.

Alternative routes from Redmond (RDM) to Santa Rosa (STS)

  • Redmond to Napa (RDM-APC): Napa Valley Airport (APC) is located approximately 35 miles from Sonoma County Airport (STS).
  • Redmond to San Rafael (RDM-SRF): San Rafael Airport (SRF) lies about 37 miles from Sonoma County Airport (STS).

How to find the best prices for flights from Redmond (RDM) to Santa Rosa (STS)

Getting some of the best deals on flights from Redmond to Santa Rosa is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are often available for booking within two weeks, although most travelers typically book 2 to 8 weeks in advance. Departures in the afternoon (12 PM to 6 PM) not only tend to offer lower prices but are also the most popular. Additionally, flying on Sunday provides both affordable rates and is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Santa Rosa hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sonoma County Airport from Robert's Field Airport

Santa Rosa welcomes travelers from Redmond with a range of transport options based on price, convenience, and proximity. Santa Rosa city center is approximately a 10-minute drive (covering about 9 miles) from Sonoma County Airport, depending on traffic. Here's how to reach Santa Rosa efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Santa Rosa, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sonoma County Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sonoma County Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sonoma County Airport, Santa Rosa Station, a train station, is located about 7.6 miles away by car, providing convenient access to rail connections for travelers heading into the city.

Frequently asked questions

How much does a flight from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find cheap one-way flights from $183 and cheap return flights from $341 Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) with Expedia. One-way flights typically cost between $245 and $833, and return flights often range between $430 and $1951. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest month to fly from RDM to STS is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
Enter RDM to STS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
Alaska Airlines is one of the cheapest airlines offering connecting flights from Redmond, OR (RDM) to Santa Rosa, CA (STS), with round-trip tickets starting from around $213. This flight includes a layover in Seattle - Tacoma Intl. (SEA). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
The earliest flight from Redmond, Oregon (RDM-Robert's Field) to Santa Rosa, California (STS-Sonoma County) typically departs at around 5:00 AM, operated by United and Alaska Airlines. This is a seasonal service active in October, allowing you to start your day early and make the most of your time in Santa Rosa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
When flying from Redmond, OR (RDM) to Santa Rosa, CA (STS), the most popular departure times are in the early morning, from 3am to 6am. About 37% of passengers choose this time window. Many major carriers, including Alaska Airlines and American Airlines, operate flights during this time. This timing is popular because it allows travelers to reach Santa Rosa early in the day.
How long does it take to fly from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
Flying from RDM to STS with a connection usually takes about 7 hours 20 minutes, traveling roughly 406 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
First class seats are offered on the RDM to STS route with American Airlines.
How do I earn miles on a Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Santa Rosa from Robert's Field (RDM)?
If you're planning to travel to Santa Rosa from Robert's Field (RDM), you can fly into Sonoma County (STS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Portland Intl. (PDX), Salt Lake City Intl. (SLC) before reaching Santa Rosa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your Redmond, OR (RDM-Robert's Field) to Santa Rosa, CA (STS-Sonoma County) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Robert's Field
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Delta
Roundtrip price
$337
Distance
405 mi

Book with confidence

Redmond to Santa Rosa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Redmond 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 Redmond 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 Redmond to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $183 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 Redmond 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 Redmond 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.

 

Redmond to Santa Rosa Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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