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 Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $177 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at $187 and $786 round-trip. Hawaiian 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 $89. 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 is the cheapest day to fly from Portland to Santa Rosa?

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

What are the cheapest flights from Portland to Santa Rosa?

The cheapest flight price from Portland to Santa Rosa is $98. On average you can expect to pay $262. The most popular route, (Portland - Santa Rosa Sonoma County), can usually be booked for $177.

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 Hawaiian Airlines (82%), Horizon Air (80%) and Alaska Airlines (79%).

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

Monday is generally a great day to depart. Flying on this day could help you save up to 20%.

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

To save on the cost of your flight from Portland to Santa Rosa, book at least 34 days before your planned departure. Booking around this time can save you about 103% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $157 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $307.

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

Due to multiple factors, expect to potentially pay more when booking in March. For low rates, January can be a great choice for travel to Santa Rosa. Flights to Santa Rosa from Portland in January are about $191 on average during January, but can be found for as low as $36.

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 2 different airlines. 1h 35m is how long a flight from Portland to Santa Rosa Sonoma County will take if you book a nonstop flight.

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.

$89+ Flights from Portland to Santa Rosa

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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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Portland to Santa Rosa

Round-trip from	$177 (Hawaiian Airlines)
One-way from	$89 (Alaska Airlines)
Popular in	July
Cheapest in	April
Average price	$327
Good round-trip deal	$257 or less
Good one-way deal	$158 or less

From Portland to Santa Rosa Sonoma County

Search Deals

One-way flight from Portland to Santa Rosa Sonoma County

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Highest demand for flights based on searches. 8% potential increase in price ($27 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in June 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 junio 12, 2025.

mié. 9/172:30 pmPDX - STS

Nonstop1h 44mHawaiian Airlines

sáb. 9/205:55 pmSTS - PDX

Nonstop1h 42mHawaiian Airlines

Deal found 6/11

$177

mar. 9/237:00 amPDX - STS

Nonstop1h 48mAlaska Airlines

lun. 9/295:55 pmSTS - PDX

Nonstop1h 42mAlaska Airlines

Deal found 6/12

$187

Best flights from Portland to Santa Rosa
Discover carefully curated flight deals from Portland to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mié. 9/172:30 pmPDX - STS

Nonstop1h 44mHawaiian Airlines

sáb. 9/205:55 pmSTS - PDX

Nonstop1h 42mHawaiian Airlines

Deal found 6/11

$177

mar. 9/237:00 amPDX - STS

Nonstop1h 48mAlaska Airlines

lun. 9/295:55 pmSTS - PDX

Nonstop1h 42mAlaska Airlines

Deal found 6/10

$187

jue. 7/35:36 pmPDX - STS

1 stop19h 04mAmerican Airlines

lun. 7/71:01 pmSTS - PDX

2 stops9h 13mAmerican Airlines

Deal found 6/10

$786

jue. 10/25:30 amPDX - STS

2 stops13h 42mMultiple Airlines

dom. 10/56:30 amSTS - PDX

2 stops10h 51mMultiple Airlines

Deal found 6/11

$1,009

Last-minute flights from Portland to Santa Rosa
Discover last-minute flight deals from Portland to Santa Rosa. Data last updated junio 12, 2025 and is based on user searches.

jue. 6/196:01 pmPDX - STS

Nonstop1h 42mHawaiian Airlines

sáb. 6/216:47 pmSTS - PDX

Nonstop1h 32mHawaiian Airlines

Deal found 6/10

$447

dom. 6/227:30 amPDX - STS

Nonstop1h 35mAlaska Airlines

lun. 6/306:47 pmSTS - PDX

Nonstop1h 32mAlaska Airlines

Deal found 6/10

$417

dom. 6/225:15 amPDX - STS

1 stop10h 22mAmerican Airlines

lun. 6/301:10 pmSTS - PDX

2 stops9h 20mAmerican Airlines

Deal found 6/10

$970

jue. 7/36:01 pmPDX - STS

Nonstop1h 42mAlaska Airlines

lun. 7/76:47 pmSTS - PDX

Nonstop1h 32mAlaska Airlines

Deal found 6/11

$277

jue. 7/35:36 pmPDX - STS

1 stop19h 04mAmerican Airlines

lun. 7/71:01 pmSTS - PDX

2 stops9h 13mAmerican Airlines

Deal found 6/10

$786

mié. 7/167:00 amPDX - STS

1 stop7h 25mHawaiian Airlines

mié. 7/233:05 pmSTS - PDX

1 stop5h 25mHawaiian Airlines

Deal found 6/10

$296

One-way flights from Portland to Santa Rosa
Search for one-way flight options from Portland to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

mar. 10/75:30 pmPDX - STS

Nonstop1h 43mAlaska Airlines

Deal found 6/9

$89

dom. 8/317:00 amPDX - STS

Nonstop1h 48mHawaiian Airlines

Deal found 6/10

$99

dom. 7/136:10 amPDX - STS

2 stops30h 21mAmerican Airlines

Deal found 6/10

$343

lun. 7/141:37 pmPDX - STS

2 stops10h 13mMultiple Airlines

Deal found 6/10

$378

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

mié. 9/17

2:30 pm-4:14 pm

Nonstop1h 44m

Santa Rosa Sonoma County

sáb. 9/20

5:55 pm-7:37 pm

Nonstop1h 42m

$177

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

mar. 9/23

7:00 am-8:48 am

Nonstop1h 48m

Santa Rosa Sonoma County

lun. 9/29

5:55 pm-7:37 pm

Nonstop1h 42m

$187

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

jue. 7/3

5:36 pm-12:40 pm

1 stop19h 04m

Santa Rosa Sonoma County

lun. 7/7

1:01 pm-10:14 pm

2 stops9h 13m

$786

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

jue. 10/2

5:30 am-7:12 pm

2 stops13h 42m

Santa Rosa Sonoma County

dom. 10/5

6:30 am-5:21 pm

2 stops10h 51m

$1,009

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

mar. 10/7

5:30 pm-7:13 pm

Nonstop1h 43m

$89

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

dom. 8/31

7:00 am-8:48 am

Nonstop1h 48m

$99

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

dom. 7/13

6:10 am-12:31 pm

2 stops30h 21m

$343

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

lun. 7/14

1:37 pm-11:50 pm

2 stops10h 13m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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?

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?

It’s optimal to fly from Portland to Santa Rosa in the afternoon. By choosing this option you can save up to 52% on the cost of your flight, compared to a flight at noon.

Weekly flight availability from Portland to Santa Rosa

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

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

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

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

10,000 reviews

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

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

2,494 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

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

10,000 reviews

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

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 2 different airlines. 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 Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $177 on this airline. Additional options worth looking into are Alaska Airlines and American Airlines, starting at $187 and $786 round-trip. Hawaiian 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 $89. 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 Hawaiian Airlines (82%), Horizon Air (80%) and Alaska Airlines (79%).
What are the cheapest flights from Portland to Santa Rosa?
The cheapest flight price from Portland to Santa Rosa is $98. On average you can expect to pay $262. 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.

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Other flights to Santa Rosa

Top 2 airlines flying from Portland to Santa Rosa

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$176	Average$316	FlexibilityNo cancel fee	On-time75%
Hawaiian Airlines	Cheapest$197	Average$382	FlexibilityNo cancel fee	On-time85%

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$89+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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 Tuesday or Thursday and return on a Wednesday

Cheap flight deals from Portland to Santa Rosa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Portland to Santa Rosa

Cheapest flights from Portland to Santa RosaExplore 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 junio 12, 2025.

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 junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Portland to Santa Rosa that are best for you.

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.

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 June 9, 2025.

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

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 junio 12, 2025.

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 junio 12, 2025.

Rainfall in Santa Rosa by month

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

Temperature in Santa Rosa by month

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

Reviews of airlines servicing Santa Rosa

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?

How popular is this Portland to Santa Rosa flight route?

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

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

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

What are the cheapest flights from Portland to Santa Rosa?

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

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

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

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

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Top 2 airlines flying from Portland to Santa Rosa

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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 junio 12, 2025.