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$99+ Cheap flights from Portland to Santa Rosa (PDX - STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — STS
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
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Find cheap flights from Portland to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Portland to Santa Rosa Sonoma County are usually found in April or September, booked 63 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday

Cheap flight deals from Portland to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$99
(Alaska Airlines)

Popular in

October

Cheapest in

April

Average price

$227

Good round-trip deal

$262 or less

Good one-way deal

$108 or less
Provider with most accurate pricing for Portland-Santa Rosa Sonoma County flight deals.
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Provider most trusted by Cheapflights users for Portland-Santa Rosa Sonoma County flights.
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From Portland to Santa Rosa Sonoma County
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One-way flight from Portland to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 0% potential increase in price ($2 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Portland to Santa Rosa Sonoma County.
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Price to beat on a one-way flight from Portland to Santa Rosa Sonoma County.
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Find flight deals from Portland to Santa Rosa

Cheapest flights from Portland to Santa Rosa
Explore the most affordable flight options available from Portland to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/317:17 amPDX - STS
Nonstop1h 41mAlaska Airlines
Tue 6/36:58 pmSTS - PDX
Nonstop1h 40mAlaska Airlines
Deal found 4/30$177
This Hawaiian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:42 amPDX - STS
1 stop5h 07mHawaiian Airlines
Sat 6/147:23 pmSTS - PDX
1 stop4h 36mHawaiian Airlines
Deal found 4/29$216

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
Use the filters below to find and compare flights from Portland to Santa Rosa that are best for you.

Fly from

Portland

Fly to

Santa Rosa

Route

Depart

Return

Price

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sat 5/31

7:17 am-8:58 am

Nonstop1h 41m

Santa Rosa Sonoma County

Tue 6/3

6:58 pm-8:38 pm

Nonstop1h 40m

$177

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Tue 6/10

10:42 am-3:49 pm

1 stop5h 07m

Santa Rosa Sonoma County

Tue 6/10

8:01 pm-11:44 pm

1 stop3h 43m

$216

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Fri 5/23

6:07 pm-12:16 pm

1 stop18h 09m

Santa Rosa Sonoma County

Tue 5/27

12:46 pm-11:59 pm

2 stops11h 13m

$793

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Thu 5/29

7:17 am-8:58 am

Nonstop1h 41m

$99

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Fri 10/10

10:30 am-12:08 pm

Nonstop1h 38m

$159

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Mon 9/15

11:59 pm-12:09 pm

1 stop12h 10m

$648

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Compare providers for flights from Portland to Santa Rosa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Santa Rosa in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
JustAirTicketPrice Accuracy-Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland-Santa Rosa flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Santa Rosa

How far ahead should I book a flight from Portland to Santa Rosa?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Santa Rosa. Price data was last updated on April 25, 2025.

The price you pay for your flight from Portland to Santa Rosa may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Portland to Santa Rosa (average of $202). Flying from Portland to Santa Rosa in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to STS?

Find hourly flight availability from Portland to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.

It’s optimal to fly from Portland to Santa Rosa in the evening. By choosing this option you can save up to 68% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Portland to Santa Rosa

Explore weekly flight availability from Portland to Santa Rosa. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 30, 2025.

The most flights from PDX to STS are scheduled on a Monday (4 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (4 on average).

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated April 30, 2025.
See what other customers who have flown with Alaska Airlines, Hawaiian Airlines and American Airlines from Portland to Santa Rosa have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Comfort

7.9

Overall

8.0

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Portland to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Portland to Santa Rosa?

    Santa Rosa Sonoma County is the airport most travelers will use when flying to Santa Rosa from Portland. Booking flights from Portland (PDX) to Sonoma County (STS) should be relatively easy as there are 4 daily flights to Santa Rosa from 1 airline. 1h 35m is how long a flight from Portland to Santa Rosa Sonoma County will take if you book a nonstop flight.

  • How popular is this Portland to Santa Rosa flight route?

    Within the past month, 9 users have taken a look at flights from Portland to Santa Rosa Sonoma County.

  • What are the cheapest airlines flying from Portland to Santa Rosa round-trip?

    Our cheapest airline available from Portland to Santa Rosa is Alaska Airlines. Our recent data shows that you can find tickets from as low as $177 on this airline. Additional options worth looking into are Hawaiian Airlines and American Airlines, starting at $187 and $793 round-trip. Alaska Airlines is currently priced 42% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Santa Rosa one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Hawaiian Airlines and American Airlines, as they are both options that can get you from Portland to Santa Rosa for a low price.

  • What are the most reliable airlines from Portland to Santa Rosa?

    The top 3 most reliable airlines when flying from Portland to Santa Rosa are SkyWest Airlines (92%), Alaska Airlines (87%) and Hawaiian Airlines (86%).

  • What are the cheapest flights from Portland to Santa Rosa?

    The cheapest flight price from Portland to Santa Rosa is $88. On average you can expect to pay $247. The most popular route, (Portland - Santa Rosa Sonoma County), can usually be booked for $177.

  • Can I find deals for flights from Portland to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Portland to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Santa Rosa.

  • Can I find deals for business class flights from Portland to Santa Rosa?

    Yes. Cheapflights offers flight deals from Portland to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Portland to Santa Rosa (average of $202). Flying from Portland to Santa Rosa in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top airline flying from Portland to Santa Rosa

Discover the top airline that operate flights from Portland to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$176Average$320FlexibilityNo cancel feeOn-time75%

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