$116 Cheap Flights from Eugene (EUG) to Santa Rosa (STS)

View $116 flight on Tue, Apr 14, 2026Opens in a new window

Popular airlines from Mahlon Sweet Field Airport (EUG) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Eugene to Santa Rosa (EUG-STS)

Prices were available within the past 7 days and start at $116 for one-way flights and $213 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Mar 31 - Tue, Apr 7
EUG
Eugene
STS
Santa Rosa
$213 Roundtrip, found 8 hours ago
$213
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Tue, Mar 31 from Eugene to Santa Rosa, returning Tue, Apr 7, priced at $213 found 8 hours ago
Hawaiian Airlines
Sat, Mar 14 - Wed, Mar 18
EUG
Eugene
STS
Santa Rosa
$223 Roundtrip, found 5 hours ago
$223
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Sat, Mar 14 from Eugene to Santa Rosa, returning Wed, Mar 18, priced at $223 found 5 hours ago
Alaska Airlines
Sat, May 2 - Tue, May 12
EUG
Eugene
STS
Santa Rosa
$223 Roundtrip, found 9 hours ago
$223
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Eugene to Santa Rosa, returning Tue, May 12, priced at $223 found 9 hours ago
Alaska Airlines
Sat, May 2 - Tue, May 12
EUG
Eugene
STS
Santa Rosa
$231 Roundtrip, found 9 hours ago
$231
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Eugene to Santa Rosa, returning Tue, May 12, priced at $231 found 9 hours ago
Alaska Airlines
Sat, May 2 - Tue, May 12
EUG
Eugene
STS
Santa Rosa
$232 Roundtrip, found 9 hours ago
$232
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Eugene to Santa Rosa, returning Tue, May 12, priced at $232 found 9 hours ago
Alaska Airlines
Sat, May 2 - Tue, May 12
EUG
Eugene
STS
Santa Rosa
$232 Roundtrip, found 9 hours ago
$232
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Eugene to Santa Rosa, returning Tue, May 12, priced at $232 found 9 hours ago
Alaska Airlines
Sat, May 2 - Tue, May 12
EUG
Eugene
STS
Santa Rosa
$233 Roundtrip, found 9 hours ago
$233
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Eugene to Santa Rosa, returning Tue, May 12, priced at $233 found 9 hours ago
Alaska Airlines
Sat, May 2 - Tue, May 12
EUG
Eugene
STS
Santa Rosa
$242 Roundtrip, found 9 hours ago
$242
Roundtrip
found 9 hours ago
Select Alaska Airlines flight, departing Sat, May 2 from Eugene to Santa Rosa, returning Tue, May 12, priced at $242 found 9 hours ago
Southwest Airlines
Wed, Apr 29 - Wed, May 6
EUG
Eugene
STS
Santa Rosa
$292 Roundtrip, found 2 days ago
$292
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Apr 29 from Eugene to Santa Rosa, returning Wed, May 6, priced at $292 found 2 days ago
American Airlines
Wed, Mar 25 - Tue, Mar 31
EUG
Eugene
STS
Santa Rosa
$606 Roundtrip, found 1 day ago
$606
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Mar 25 from Eugene to Santa Rosa, returning Tue, Mar 31, priced at $606 found 1 day ago

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Frequently asked questions

How much does a flight from Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find cheap one-way flights from $116 and cheap return flights from $213 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County) with Expedia. One-way flights generally range between $231 and $969, and roundtrip flights usually range from $381 to $1444. 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 Eugene, OR (EUG) 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest month to fly from EUG to STS is March 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
Enter EUG to STS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from Eugene, OR (EUG) 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 Eugene, OR (EUG) 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from EUG to STS. To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
For flights from Eugene, OR (EUG) to Santa Rosa, CA (STS), the most popular departure times are in the early morning, from 6am to 9am. About 31% of passengers prefer this time window. Many major carriers, including Alaska Airlines and United Airlines, offer flights during this period. This timing is favored as it allows you to make the most of your day in Santa Rosa.
How long does it take to fly from Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
Flights from EUG to STS with one stop typically take around 7 hours 20 minutes, covering approximately 388 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
First class seats are offered on the EUG to STS route with American Airlines.
How do I earn miles on a Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a Eugene, OR (EUG) 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 Mahlon Sweet Field (EUG)?
From Mahlon Sweet Field (EUG), you can fly into Sonoma County (STS) to reach Santa Rosa. Some flights may connect through major hubs like San Francisco Intl. (SFO), Seattle - Tacoma Intl. (SEA), 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from Eugene, OR (EUG) 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a Eugene, OR (EUG) 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 Eugene, OR (EUG) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your Eugene, OR (EUG) 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
Eugene
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Southwest Airlines
Roundtrip price
$212
Distance
388 mi

Book with confidence

Eugene to Santa Rosa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Eugene 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 Eugene 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 Eugene to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $116 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 Eugene 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 Eugene 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.

 

Eugene to Santa Rosa Flights

*Flight schedules are subject to change.

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*Available to One Key members.