$147 Cheap Flights from Santa Rosa (STS) to Redmond (RDM)

View $147 flight on Wed, Sep 24, 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $147 for one-way flights and $244 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Sep 24 - Sat, Sep 27
STS
Santa Rosa
RDM
Redmond
$244 Roundtrip, found 6 days ago
$244
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 24 from Santa Rosa to Redmond, returning Sat, Sep 27, priced at $244 found 6 days ago
Hawaiian Airlines
Tue, Sep 23 - Fri, Sep 26
STS
Santa Rosa
RDM
Redmond
$252 Roundtrip, found 6 days ago
$252
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Sep 23 from Santa Rosa to Redmond, returning Fri, Sep 26, priced at $252 found 6 days ago
Alaska Airlines
Wed, Sep 24 - Sat, Sep 27
STS
Santa Rosa
RDM
Redmond
$253 Roundtrip, found 6 days ago
$253
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Wed, Sep 24 from Santa Rosa to Redmond, returning Sat, Sep 27, priced at $253 found 6 days ago
Alaska Airlines
Sat, Sep 13 - Tue, Sep 16
STS
Santa Rosa
RDM
Redmond
$262 Roundtrip, found 16 hours ago
$262
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Santa Rosa to Redmond, returning Tue, Sep 16, priced at $262 found 16 hours ago
Alaska Airlines
Sat, Sep 13 - Tue, Sep 16
STS
Santa Rosa
RDM
Redmond
$263 Roundtrip, found 16 hours ago
$263
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Santa Rosa to Redmond, returning Tue, Sep 16, priced at $263 found 16 hours ago
Hawaiian Airlines
Wed, Aug 20 - Sat, Aug 30
STS
Santa Rosa
RDM
Redmond
$268 Roundtrip, found 4 days ago
$268
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Aug 20 from Santa Rosa to Redmond, returning Sat, Aug 30, priced at $268 found 4 days ago
Hawaiian Airlines
Wed, Aug 20 - Sat, Aug 30
STS
Santa Rosa
RDM
Redmond
$272 Roundtrip, found 18 hours ago
$272
Roundtrip
found 18 hours ago
Select Hawaiian Airlines flight, departing Wed, Aug 20 from Santa Rosa to Redmond, returning Sat, Aug 30, priced at $272 found 18 hours ago
Alaska Airlines
Sat, Sep 13 - Tue, Sep 16
STS
Santa Rosa
RDM
Redmond
$273 Roundtrip, found 16 hours ago
$273
Roundtrip
found 16 hours ago
Select Alaska Airlines flight, departing Sat, Sep 13 from Santa Rosa to Redmond, returning Tue, Sep 16, priced at $273 found 16 hours ago
Hawaiian Airlines
Wed, Aug 20 - Fri, Sep 5
STS
Santa Rosa
RDM
Redmond
$278 Roundtrip, found 4 days ago
$278
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Aug 20 from Santa Rosa to Redmond, returning Fri, Sep 5, priced at $278 found 4 days ago
American Airlines
Sat, Aug 16 - Mon, Aug 18
STS
Santa Rosa
RDM
Redmond
$680 Roundtrip, found 1 day ago
$680
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Aug 16 from Santa Rosa to Redmond, returning Mon, Aug 18, priced at $680 found 1 day ago

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

June is typically the cheapest month to fly

From $101 - $541 per traveler.

Graph displaying average flight prices per month

Alternative airports near Redmond

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

Select flight to Robert's Field RDM. Cheapest and Closest option available. Average driving time to city center is 4 minutes. Flights from $411
RDM
Robert's Field
CheapestClosest
Average driving time to city center4 min
Flights from $411
Flights from Santa Rosa (STS) to Redmond (RDM)
Origin airport
Sonoma County
Destination airport
Robert's Field
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$241
Distance
405 mi
Average flight time
1 hour 24 mins

Santa Rosa to Redmond Flights

The cheapest times to fly from Santa Rosa to Redmond

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

 

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

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

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 Santa Rosa to Redmond in 2025. You can also book with separate airlines for your outbound and return journeys, from $147 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 Santa Rosa to Redmond 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 Santa Rosa to Redmond 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 Sonoma County Airport (STS) to Robert's Field Airport (RDM) cost?
You can find cheap return flights from Sonoma County Airport (STS) to Robert's Field Airport (RDM) starting at $88. Book your seat and get ready to go. 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 Avelo Airlines flight leaving STS on August 10 2025 and touching down at RDM. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from STS to RDM?
The cheapest flights from STS to RDM are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STS to RDM?
Travel from STS to RDM with Avelo Airlines. This airline currently offers the cheapest one-way ticket on this route, starting at $44. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STS on August 21 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Sonoma County Airport (STS) to Robert's Field Airport (RDM)?
There aren't any daily direct flights from Sonoma County Airport (STS) to Robert's Field Airport (RDM). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from STS to RDM?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from STS to RDM?
With 88% of journeys usually arriving on schedule, Avelo Airlines has the best on-time performance for nonstop flights from Sonoma County Airport (STS) to Robert's Field Airport (RDM). To check your flight status and receive notifications about any changes, head to the Expedia App.
What is the best time to fly from Sonoma County Airport (STS) to Robert's Field Airport (RDM)?
Opt for a flight from Sonoma County Airport (STS) to Robert's Field Airport (RDM) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**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 Sonoma County Airport (STS) to Robert's Field Airport (RDM) last-minute?
Waiting until just before your departure to book a ticket from STS to RDM generally means paying more. While you might find some last-minute offers, there's no guarantee. Keep your travel plans flexible to boost your chances of scoring a bargain.
Is it cheaper to book a STS to RDM flight and hotel package?
Compared with arranging flights and hotels separately, booking a STS to RDM flight and hotel package with Expedia could result in significant savings. What's more, having everything in one place will take the stress out of travel planning. Simply pick your flights and choose from our wide range of stays, then tailor your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to Robert's Field Airport (RDM)?
If you booked your STS to RDM flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare 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, go to our Customer Service portal for more information.

Explore a world of travel with Expedia

*Available to One Key members.