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$515+ Cheap flights from Santa Rosa to Portland, ME (STS - PWM)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PWM
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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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 January 29, 2026.

This Southwest deal was found by Cheapflights users on 1/29. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/244:40 pm
STS
-
PWM
2 stops14h 10m
Southwest
Wed 9/3010:30 am
PWM
-
STS
2 stops13h 55m
Southwest
Deal found 1/29$515
This American Airlines deal was found by Cheapflights users on 1/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/274:23 pm
STS
-
PWM
2 stops16h 36m
American Airlines
Fri 3/66:36 pm
PWM
-
STS
2 stops20h 57m
American Airlines
Deal found 1/28$944

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 (PWM). 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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$944
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$331
Provider with most accurate pricing for Santa Rosa Sonoma County-Portland flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Portland flights.
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From Santa Rosa Sonoma County to Portland
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($75 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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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 January 29, 2026.
Use the filters below to find and compare flights from Santa Rosa to Portland that are best for you.

Fly from

Santa Rosa

Fly to

Portland

Route

Depart

Return

Price

Santa RosaPortland

STS - PWM

STSPWM

Santa Rosa Sonoma County

Fri 2/27

4:23 pm-11:59 am

2 stops16h 36m

Portland

Fri 3/6

6:36 pm-12:33 pm

2 stops20h 57m

$944

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

  • Most accurate provider: When it comes to deals on Santa Rosa-Portland, Maine 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, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Portland, Maine 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, Maine 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

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

Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Portland, Maine (average of $126). Flying from Santa Rosa to Portland, Maine in October is currently the most expensive (average of $177). 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.

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.

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

    Departing from Santa Rosa to Portland, Maine will take you 16h 36m. There are 2710 mi between Santa Rosa and Portland, Maine.

  • 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, Maine?

    Currently, March is the cheapest month in which you can book a flight from Santa Rosa to Portland, Maine (average of $126). Flying from Santa Rosa to Portland, Maine in October is currently the most expensive (average of $177). 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
North Conway
Brunswick
Auburn
Conway

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