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$79+ Cheap flights from Santa Rosa to Portland (STS - PDX)

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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PDX
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Portland are usually found in January or April, booked 86 days in advance, depart on a Friday or Saturday and return on a Saturday

Cheap flight deals from Santa Rosa to Portland

Cheapest flights from Santa Rosa to Portland
Explore the most affordable flight options available from Santa Rosa to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
STS
-
PDX
1 stop5h 35m
Southwest
Thu 9/243:40 pm
PDX
-
STS
1 stop6h 55m
Southwest
Deal found 7/20$157
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
STS
-
PDX
2 stops10h 20m
Southwest
Mon 9/213:40 pm
PDX
-
STS
1 stop6h 55m
Southwest
Deal found 7/20$162
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:00 am
STS
-
PDX
1 stop5h 35m
Southwest
Fri 9/253:40 pm
PDX
-
STS
1 stop6h 55m
Southwest
Deal found 7/21$167
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/166:00 am
STS
-
PDX
1 stop7h 20m
Southwest
Sat 9/1911:20 am
PDX
-
STS
2 stops8h 30m
Southwest
Deal found 7/22$172
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:55 am
STS
-
PDX
2 stops8h 05m
Southwest
Thu 9/243:40 pm
PDX
-
STS
1 stop6h 55m
Southwest
Deal found 7/22$182
This Southwest deal was found by Cheapflights users on 7/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/172:55 pm
STS
-
PDX
2 stops8h 20m
Southwest
Mon 8/245:35 am
PDX
-
STS
2 stops8h 45m
Southwest
Deal found 7/22$203
This Southwest deal was found by Cheapflights users on 7/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/156:00 am
STS
-
PDX
2 stops10h 20m
Southwest
Sat 8/222:40 pm
PDX
-
STS
1 stop5h 10m
Southwest
Deal found 7/18$216
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/202:55 pm
STS
-
PDX
1 stop8h 10m
Southwest
Thu 8/273:40 pm
PDX
-
STS
1 stop6h 55m
Southwest
Deal found 7/21$222
This Alaska Airlines deal was found by Cheapflights users on 7/21. 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 9/56:13 am
STS
-
PDX
1 stop10h 40m
Alaska Airlines
Mon 9/147:55 am
PDX
-
STS
1 stop15h 59m
Alaska Airlines
Deal found 7/21$223
This Southwest deal was found by Cheapflights users on 7/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/191:40 pm
STS
-
PDX
2 stops7h 40m
Southwest
Wed 8/2611:35 am
PDX
-
STS
2 stops9h 50m
Southwest
Deal found 7/20$227

Find flight deals from Santa Rosa to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Portland (PDX). 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 July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$157
(Southwest)

One-way from

$79
(Southwest)

Popular in

June

Cheapest in

January

Average price

$377

Good round-trip deal

$316 or less

Good one-way deal

$257 or less
Provider with most accurate pricing for Santa Rosa Sonoma County-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Portland flights.
Search Deals
From Santa Rosa Sonoma County to Portland
Search Deals
One-way flight from Santa Rosa Sonoma County to Portland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($87 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Santa Rosa Sonoma County to Portland.
Search Deals
Price to beat on a one-way flight from Santa Rosa Sonoma County to Portland.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Portland 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 July 23, 2026.
Use the filters below to find and compare flights from Santa Rosa to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Tue 10/13

6:35 am-1:00 pm

1 stop6h 25m

Portland

Sat 10/17

5:50 am-12:00 pm

1 stop6h 10m

$157

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Sat 9/19

6:00 am-11:35 am

1 stop5h 35m

Portland

Fri 9/25

3:40 pm-10:35 pm

1 stop6h 55m

$167

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Fri 8/28

2:55 pm-9:45 pm

2 stops6h 50m

Portland

Mon 8/31

6:25 am-2:20 pm

1 stop7h 55m

$172

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Tue 10/13

6:16 am-6:18 pm

1 stop12h 02m

Portland

Sat 10/17

7:09 am-1:06 pm

1 stop5h 57m

$240
Quickest round-trip

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Thu 10/29

8:07 am-9:50 am

Nonstop1h 43m

Portland

Tue 11/3

5:30 pm-7:15 pm

Nonstop1h 45m

$256

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Thu 9/10

6:47 pm-8:49 pm

1 stop26h 02m

Portland

Sun 9/13

7:20 pm-8:59 pm

Nonstop1h 39m

$260

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Fri 9/4

6:47 pm-8:49 pm

1 stop26h 02m

Portland

Tue 9/8

7:03 am-1:29 pm

1 stop6h 26m

$270

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Fri 10/30

7:00 am-1:27 pm

1 stop6h 27m

Portland

Sun 11/8

7:05 am-12:21 pm

1 stop5h 16m

$277

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Wed 8/19

6:47 pm-10:55 pm

1 stop28h 08m

Portland

Fri 8/21

5:49 pm-2:12 pm

2 stops20h 23m

$286

Santa RosaPortland

STS - PDX

STSPDX

Santa Rosa Sonoma County

Wed 8/12

11:04 am-9:29 am

1 stop22h 25m

Portland

Fri 8/21

5:38 pm-11:54 pm

1 stop6h 16m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/20

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Compare providers for flights from Santa Rosa to Portland

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 Santa Rosa to Portland in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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 Santa Rosa-Portland flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Portland flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Portland flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Portland flights, Cheapflights users trust FlightHub the most. FlightHub 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 Santa Rosa-Portland 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 Santa Rosa to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Santa Rosa 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 Santa Rosa to Portland

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

To ensure you get the cheapest price possible for a flight from Santa Rosa to Portland, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Portland (average of $187). Flying from Santa Rosa to Portland in June is currently the most expensive (average of $467). 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 STS to PDX?

Find hourly flight availability from Santa Rosa to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.

It’s typically best to fly out from Santa Rosa to Portland in the afternoon. Doing so could potentially save you 27% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Santa Rosa to Portland?

Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to Portland. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Santa Rosa to Portland flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Santa Rosa to Portland?

Airfare is below average for this route at the moment.

Santa Rosa to Portland flights typically cost between $295 and $442 in September.
The cheapest round-trip price found within the last 5 days was $157 on Southwest (Sep 19-Sep 24).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated July 23, 2026.
Read reviews from past customers who have flown Alaska Airlines and Hawaiian Airlines from Santa Rosa to Portland. 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
7.9
Good
12,704 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
7.9
Good
12,704 reviews
Alaska Airlines
7.9
Good
12,704 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Hawaiian Airlines
7.8
Good
2,821 reviews
Alaska Airlines
7.9
Good
12,704 reviews

Entertainment

7.0

Crew

8.5

Comfort

7.8

Food

7.0

Overall

7.9

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Portland. 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 Santa Rosa to Portland?

    To fly from Santa Rosa to Portland, you need to book a flight from Sonoma County (STS) to Portland (PDX). Nonstop flights to Portland from Santa Rosa Sonoma County take 1h 38m on average. When it comes time to book airfare, you have a few options: there are 2 outbound flights from Sonoma County to Portland offered by 2 different airlines.

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

    This flight path from Santa Rosa Sonoma County to Portland was viewed by 6 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Santa Rosa to Portland?

    For as low as $157, Southwest can have you in Portland from Santa Rosa in 6h 25m. Airlines will cover a distance of 489 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Alaska Airlines, at $157, was found to be the cheapest airline from Santa Rosa to Portland. An alternate airline flying to your destination would be Hawaiian Airlines. Alaska Airlines is currently priced 45% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Santa Rosa to Portland are SkyWest Airlines (92%), Alaska Airlines (82%) and Horizon Air (62%).

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

    Looking for the cheapest flight from Santa Rosa to Portland? While on average our users pay $439, our data indicates the cheapest price to be $183. The most popular route (Santa Rosa Sonoma County - Portland), is priced around $157.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Portland 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 Santa Rosa to Portland?

    Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Portland (average of $187). Flying from Santa Rosa to Portland in June is currently the most expensive (average of $467). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Beaverton
Seaside
Lincoln City
Vancouver
Longview
Lake Oswego
Hillsboro
Kelso
Clackamas
Troutdale
Cannon Beach
Long Beach
McMinnville
The Dalles
Wilsonville
Depoe Bay
Stevenson
Tillamook
Astoria
Gresham

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Santa Rosa to Portland

Discover the top 2 airlines that operate flights from Santa Rosa to Portland. 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 July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$296FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$177Average$262FlexibilityNo cancel feeOn-time85%

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