$448 Cheap Flights from Santa Rosa (STS) to Eureka (ACV)

View $448 flight on Wed, Jan 7, 2026Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Eureka, CA (ACV-Arcata - Eureka)

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Cheap Flights from Santa Rosa to Eureka (STS-ACV)

Prices were available within the past 7 days and start at $448 for one-way flights and $593 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, May 1 - Sun, May 3
STS
Santa Rosa
ACV
Eureka
$593 Roundtrip, found 4 days ago
$593
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, May 1 from Santa Rosa to Eureka, returning Sun, May 3, priced at $593 found 4 days ago
Hawaiian Airlines
Mon, Nov 10 - Tue, Nov 18
STS
Santa Rosa
ACV
Eureka
$921 Roundtrip, found 6 days ago
$921
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Nov 10 from Santa Rosa to Eureka, returning Tue, Nov 18, priced at $921 found 6 days ago
Hawaiian Airlines
Wed, Nov 12 - Tue, Nov 18
STS
Santa Rosa
ACV
Eureka
$941 Roundtrip, found 6 days ago
$941
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Nov 12 from Santa Rosa to Eureka, returning Tue, Nov 18, priced at $941 found 6 days ago
Hawaiian Airlines
Wed, Nov 12 - Sat, Nov 15
STS
Santa Rosa
ACV
Eureka
$946 Roundtrip, found 6 days ago
$946
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Wed, Nov 12 from Santa Rosa to Eureka, returning Sat, Nov 15, priced at $946 found 6 days ago
Hawaiian Airlines
Mon, Nov 10 - Mon, Nov 17
STS
Santa Rosa
ACV
Eureka
$950 Roundtrip, found 6 days ago
$950
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Nov 10 from Santa Rosa to Eureka, returning Mon, Nov 17, priced at $950 found 6 days ago
Hawaiian Airlines
Mon, Nov 10 - Sat, Nov 15
STS
Santa Rosa
ACV
Eureka
$956 Roundtrip, found 6 days ago
$956
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Nov 10 from Santa Rosa to Eureka, returning Sat, Nov 15, priced at $956 found 6 days ago
Hawaiian Airlines
Tue, Nov 11 - Fri, Nov 14
STS
Santa Rosa
ACV
Eureka
$960 Roundtrip, found 6 days ago
$960
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, Nov 11 from Santa Rosa to Eureka, returning Fri, Nov 14, priced at $960 found 6 days ago
Hawaiian Airlines
Sun, Nov 9 - Sat, Nov 15
STS
Santa Rosa
ACV
Eureka
$966 Roundtrip, found 6 days ago
$966
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Sun, Nov 9 from Santa Rosa to Eureka, returning Sat, Nov 15, priced at $966 found 6 days ago
Hawaiian Airlines
Mon, Nov 3 - Tue, Nov 18
STS
Santa Rosa
ACV
Eureka
$996 Roundtrip, found 6 days ago
$996
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Nov 3 from Santa Rosa to Eureka, returning Tue, Nov 18, priced at $996 found 6 days ago
Hawaiian Airlines
Mon, Nov 10 - Fri, Nov 14
STS
Santa Rosa
ACV
Eureka
$1,009 Roundtrip, found 6 days ago
$1,009
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Mon, Nov 10 from Santa Rosa to Eureka, returning Fri, Nov 14, priced at $1,009 found 6 days ago

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV) cost?
Get a cheap one-way flight from $448 or cheap return flight from $593 from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV)?
Traveling in May can help you save, as it's the cheapest month for flights between STS and ACV. You'll often find the lowest prices during off-peak months.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV)?
To find the cheapest airline flying from STS to ACV, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV)?
You'll need to catch a flight with a layover when traveling from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV). There are no daily direct flights on this route. However, simply filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from STS to ACV?
Usually you'll find the most flight options available 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 Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV)?
To avoid potential delays on the Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV) route, aim to fly before 3 PM. Later flights have a 22% higher chance of being 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.
Is it cheaper to buy a plane ticket from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV) last-minute?
Booking your plane ticket from STS to ACV right before your journey is typically more expensive. However, if you're flexible with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a STS to ACV flight and hotel package?
Opting for a STS to ACV flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to Arcata - Eureka Airport (ACV)?
Typically, you can reschedule or cancel your STS to ACV flight. However, additional charges may apply, especially if you booked over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you want further information, visit our Customer Service portal.

Travel information

Origin airport
Sonoma County
Destination airport
Arcata - Eureka
Roundtrip price
$592
Distance
183 mi

Book with confidence

Santa Rosa to Eureka Flights

The cheapest times to fly from Santa Rosa to Eureka

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

 

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

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

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 Eureka in 2025. You can also book with separate airlines for your outbound and return journeys, from $448 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 Eureka 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 Eureka 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.

 

Santa Rosa to Eureka Flights

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*Available to One Key members.