$120 Cheap Flights from Santa Rosa (STS) to Redmond (RDM)

View $120 flight on Tue, Nov 18, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $120 for one-way flights and $240 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Jan 13 - Tue, Jan 27
STS
Santa Rosa
RDM
Redmond
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Santa Rosa to Redmond, returning Tue, Jan 27, priced at $240 found 4 days ago
Hawaiian Airlines
Sat, Jan 17 - Wed, Jan 21
STS
Santa Rosa
RDM
Redmond
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 17 from Santa Rosa to Redmond, returning Wed, Jan 21, priced at $240 found 4 days ago
Alaska Airlines
Tue, Dec 2 - Tue, Dec 16
STS
Santa Rosa
RDM
Redmond
$242 Roundtrip, just found
$242
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Dec 2 from Santa Rosa to Redmond, returning Tue, Dec 16, priced at $242 just found
Alaska Airlines
Tue, Dec 2 - Sat, Dec 13
STS
Santa Rosa
RDM
Redmond
$248 Roundtrip, just found
$248
Roundtrip
just found
Select Alaska Airlines flight, departing Tue, Dec 2 from Santa Rosa to Redmond, returning Sat, Dec 13, priced at $248 just found
Alaska Airlines
Tue, Jan 13 - Tue, Jan 27
STS
Santa Rosa
RDM
Redmond
$249 Roundtrip, found 4 days ago
$249
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Santa Rosa to Redmond, returning Tue, Jan 27, priced at $249 found 4 days ago
Hawaiian Airlines
Wed, Dec 3 - Sat, Dec 13
STS
Santa Rosa
RDM
Redmond
$250 Roundtrip, just found
$250
Roundtrip
just found
Select Hawaiian Airlines flight, departing Wed, Dec 3 from Santa Rosa to Redmond, returning Sat, Dec 13, priced at $250 just found
Hawaiian Airlines
Sat, Jan 10 - Mon, Jan 26
STS
Santa Rosa
RDM
Redmond
$251 Roundtrip, found 4 days ago
$251
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 10 from Santa Rosa to Redmond, returning Mon, Jan 26, priced at $251 found 4 days ago
Alaska Airlines
Tue, Jan 13 - Sun, Jan 18
STS
Santa Rosa
RDM
Redmond
$257 Roundtrip, found 4 days ago
$257
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Tue, Jan 13 from Santa Rosa to Redmond, returning Sun, Jan 18, priced at $257 found 4 days ago
Hawaiian Airlines
Sat, Nov 22 - Tue, Dec 9
STS
Santa Rosa
RDM
Redmond
$258 Roundtrip, just found
$258
Roundtrip
just found
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Santa Rosa to Redmond, returning Tue, Dec 9, priced at $258 just found
American Airlines
Fri, Sep 4 - Tue, Sep 8
STS
Santa Rosa
RDM
Redmond
$1,058 Roundtrip, found 1 day ago
$1,058
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Sep 4 from Santa Rosa to Redmond, returning Tue, Sep 8, priced at $1,058 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 - $552 per traveler.

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 $390
RDM
Robert's Field
CheapestClosest
Average driving time to city center4 min
Flights from $390
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
$240
Distance
405 mi

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 January. 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 $120 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?
Secure a cheap one-way flight from $120 or cheap return flight from $240 from Sonoma County Airport (STS) to Robert's Field Airport (RDM) 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 Sonoma County Airport (STS) to Robert's Field Airport (RDM)?
The cheapest month to fly from STS to RDM is January, when demand is low. Off-peak months are generally when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Robert's Field Airport (RDM)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest STS to RDM flight.
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.

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*Available to One Key members.