PDX - STS

$69 Find Cheap Flights from Portland to Santa Rosa - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$137
Typical prices: $238-$447
Southwest
Fri 1/5Tue 1/9
PDX - STS • 1 stop
Cheapest non-stop
$257
Typical prices: $241-$450
Alaska Airlines
Sat 2/10Fri 2/16
PDX - STS • Non-stop
Nonstop flights
You can fly direct with Alaska Airlines. Average duration is 1h 52m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 5 weeks in advance save around 64% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 34% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to Santa Rosa!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Portland to Santa Rosa (PDX-STS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Portland to Santa Rosa

Thu, Dec 3 - Fri, Dec 4
Southwest Logo
3:35 pm - 9:30 pmPDX  Portland-STS Santa Rosa Sonoma County
5h 55m1 stop San Diego
Southwest Logo
6:45 am - 12:15 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 30m1 stop San Diego
$137Southwest
Tue, Dec 8 - Tue, Dec 15
Southwest Logo
3:35 pm - 9:30 pmPDX  Portland-STS Santa Rosa Sonoma County
5h 55m1 stop San Diego
Southwest Logo
6:45 am - 12:15 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 30m1 stop San Diego
$137Southwest
Mon, Dec 7 - Wed, Dec 9
Southwest Logo
3:35 pm - 9:30 pmPDX  Portland-STS Santa Rosa Sonoma County
5h 55m1 stop San Diego
Southwest Logo
6:45 am - 12:15 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 30m1 stop San Diego
$137Southwest
Fri, Dec 11 - Sat, Jan 9
Southwest Logo
3:35 pm - 10:45 pmPDX  Portland-STS Santa Rosa Sonoma County
7h 10m1 stop San Diego
Southwest Logo
1:40 pm - 6:55 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 15m1 stop San Diego
$137Southwest
Tue, Jan 5 - Sat, Jan 9
Southwest Logo
3:35 pm - 9:30 pmPDX  Portland-STS Santa Rosa Sonoma County
5h 55m1 stop San Diego
Southwest Logo
1:40 pm - 6:55 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 15m1 stop San Diego
$137Southwest
Sun, Dec 13 - Thu, Dec 17
Southwest Logo
6:20 am - 1:40 pmPDX  Portland-STS Santa Rosa Sonoma County
7h 20m1 stop Denver Intl
Southwest Logo
6:05 am - 1:05 pmSTS  Santa Rosa Sonoma County-PDX Portland
7h 00m1 stop San Diego
$137Southwest
Mon, Dec 7 - Mon, Dec 14
Southwest Logo
3:35 pm - 9:30 pmPDX  Portland-STS Santa Rosa Sonoma County
5h 55m1 stop San Diego
Southwest Logo
6:45 am - 12:15 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 30m1 stop San Diego
$137Southwest
Thu, Dec 10 - Tue, Dec 15
Southwest Logo
3:35 pm - 9:30 pmPDX  Portland-STS Santa Rosa Sonoma County
5h 55m1 stop San Diego
Southwest Logo
6:45 am - 12:15 pmSTS  Santa Rosa Sonoma County-PDX Portland
5h 30m1 stop San Diego
$137Southwest
Tue, Dec 1 - Mon, Dec 7
Alaska Airlines Logo
9:00 am - 3:05 pmPDX  Portland-STS Santa Rosa Sonoma County
6h 05m1 stop San Diego
Alaska Airlines Logo
7:13 pm - 4:50 pmSTS  Santa Rosa Sonoma County-PDX Portland
21h 37m1 stop San Diego
$243Alaska Airlines
Fri, Jan 22 - Tue, Jan 26
Alaska Airlines Logo
7:24 am - 11:45 pmPDX  Portland-STS Santa Rosa Sonoma County
16h 21m1 stop San Diego
Alaska Airlines Logo
12:49 pm - 9:45 amSTS  Santa Rosa Sonoma County-PDX Portland
20h 56m1 stop San Diego
$243Alaska Airlines
Booking Insights

Price, demand and travel trends for Portland to Santa Rosa flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Portland to Santa Rosa?

Round-trip flights from Portland to Santa Rosa typically range from $238 to $447. The lowest price found in the past 5 days was $137, on Southwest.

What's the cheapest day of the week to fly from Portland to Santa Rosa?

Based on deals KAYAK users found in the last 12 months, Tuesday is the cheapest day of the week to fly from Portland to Santa Rosa. It’s 19% cheaper than the average day, while Monday is the most expensive, with prices 61% higher.

What’s the cheapest month to fly from Portland to Santa Rosa?

•January is the cheapest month to fly from Portland to Santa Rosa at $217 round-trip.
•November ($627) and August ($397) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 188% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Portland to Santa Rosa the cheapest?

Flights from Portland to Santa Rosa are cheapest 5 weeks before departure. Booking in this window typically costs about 64% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Portland to Santa Rosa flights

Low season

November

Cheapest flight

$69
Beat the crowds with an average 27% drop in travelers.
The most popular month to fly with an average 34% increase in travelers.
One-way flight from Portland to Santa Rosa

When to book flights from Portland to Santa Rosa

Are your dates flexible? Find out the best times to travel from Portland to Santa Rosa based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Portland to Santa Rosa flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Portland to Santa Rosa?

    These are the earliest and latest flight times available from Portland to Santa Rosa:

    • Earliest: departs at 7:00 am and lands at 8:52 am
    • Latest: departs at 7:32 pm and lands at 9:24 pm.

    The flight takes about 1h 52m.

  • What cabin classes can I book on flights from Portland to Santa Rosa?

    Two cabin classes are available on flights from Portland to Santa Rosa:

    • Economy Class
    • First Class

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

    A nonstop flight from Portland to Santa Rosa takes 1h 52m, covering 489 miles.

  • Do I need a passport to fly from Portland to Santa Rosa?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Portland to Santa Rosa flight?

    Round-trip flights from Portland to Santa Rosa range from $238 to $447, with an average of $327 over the past 12 months. Anything below $238 counts as a good deal.

  • How expensive are last-minute Portland to Santa Rosa flights?

    Last-minute fares on this route (booked within two weeks of departure) run 80% above the $327 route average. Book 5 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Portland to Santa Rosa?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $205 round-trip via San Diego (SAN), compared to $332 for nonstop.

  • Which aircraft model is used most often on flights from Portland to Santa Rosa?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Alaska Airlines and Southwest. Other aircraft seen on the route include Embraer 175 variants.

  • How are flight departures from Portland to Santa Rosa spread across the day?

    Morning is the busiest departure period on Portland to Santa Rosa flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • Which airlines offer Wi-Fi on Portland to Santa Rosa flights?

    Alaska Airlines is the only airline on the Portland to Santa Rosa route offering in-flight Wi-Fi. Pricing depends on fare class.

  • How are flight prices from Portland to Santa Rosa looking right now?

    One-way fares from Portland to Santa Rosa are currently lower than usual. Average one-way flight prices are about $88, which is 65% below the typical average for this route.

  • What car rental options are available at Santa Rosa Sonoma County Airport (STS)?

    Santa Rosa Sonoma County Airport (STS) hosts 5 major car rental companies, with daily rates averaging $74 for economy cars. Top options include:

    • Ace
    • Dollar
    • Enterprise Rent-A-Car
    • Hertz
    • Budget

  • Which airports can I use when flying from Portland to Santa Rosa?

    Flights from Portland to Santa Rosa usually depart from Portland (PDX) and arrive at Santa Rosa Sonoma County (STS).

  • Which airports do connecting flights from Portland to Santa Rosa pass through?

    Most connecting flights from Portland to Santa Rosa pass through San Diego (SAN), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Portland to Santa Rosa?

    Yes. Flexible dates can save you up to 50% on flights from Portland to Santa Rosa. Tuesday is the cheapest departure day at $267 round-trip on average, while Monday is the most expensive at $527, a difference of $260.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What airlines fly from Portland to Santa Rosa?

    Only Alaska Airlines operates flights between Portland and Santa Rosa.

  • Which airlines offer extra legroom and free seat selection on Portland to Santa Rosa flights?

    Among airlines operating Portland to Santa Rosa flights:

    • Alaska Airlines: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • Which airlines include bags at no extra cost on Portland to Santa Rosa flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Alaska Airlines: a cabin bag and a checked bag in First Class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Portland to Santa Rosa flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Tuesday departure and avoid flying on Monday. On this route, Tuesday flights average $267, about $260 less than Monday fares (49% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 5 weeks before you fly. On this route, that window historically saves about 64% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Portland to Santa Rosa trip for January. Fares historically average $217 round-trip in that month - typically $410 less than the most expensive month, which is November (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through San Diego Airport (SAN) can be cheaper than flying direct. The cheapest layover option averages $205 round-trip on this route - about $127 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Santa Rosa Sonoma County Airport.

    • Hilton Garden Inn Sonoma County Airport

Prefer to fly direct from Portland to Santa Rosa?

 
Find which airlines fly direct from Portland Airport to Santa Rosa Sonoma County Airport, which days they fly and book direct flights.

Direct departures

Portland to Santa Rosa Sonoma County

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

Direct returns

Santa Rosa Sonoma County to Portland

Monday

Alaska Airlines

Alaska Airlines

Tuesday

Alaska Airlines

Alaska Airlines

Wednesday

Alaska Airlines

Alaska Airlines

Thursday

Alaska Airlines

Alaska Airlines

Friday

Alaska Airlines

Alaska Airlines

Saturday

Alaska Airlines

Alaska Airlines

Sunday

Alaska Airlines

Alaska Airlines

See more direct flights

More options for your flight from Portland to Santa Rosa

Complete your trip to Santa Rosa with a hotel stay or car rental