HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$749+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STS — PWM
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Portland 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

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.

Cheap 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 September 11, 2025.

Round-trip from

$749
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$359
From Santa Rosa Sonoma County to Portland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/9. 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.
Tue 10/284:17 pmSTS - PWM
2 stops16h 11mAmerican Airlines
Sat 11/11:42 pmPWM - STS
2 stops27h 06mAmerican Airlines
Deal found 9/9$749
This American Airlines deal was found by Cheapflights users on 9/11. 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.
Sat 10/114:17 pmSTS - PWM
2 stops16h 11mAmerican Airlines
Sat 10/185:46 amPWM - STS
2 stops13h 01mAmerican Airlines
Deal found 9/11$762
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Sun 11/24:23 pmSTS - PWM
2 stops16h 45mAmerican Airlines
Thu 11/67:02 amPWM - STS
2 stops11h 51mAmerican Airlines
Deal found 9/10$998
This American Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 9/254:19 pmSTS - PWM
2 stops16h 25mAmerican Airlines
Mon 9/296:01 amPWM - STS
2 stops12h 47mAmerican Airlines
Deal found 9/10$1,020

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 September 11, 2025.
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

Tue 10/28

4:17 pm-11:28 am

2 stops16h 11m

Portland

Sat 11/1

1:42 pm-1:48 pm

2 stops27h 06m

$749

Santa RosaPortland

STS - PWM

STSPWM

Santa Rosa Sonoma County

Sat 10/11

4:17 pm-11:28 am

2 stops16h 11m

Portland

Sat 10/18

5:46 am-3:47 pm

2 stops13h 01m

$762

Santa RosaPortland

STS - PWM

STSPWM

Santa Rosa Sonoma County

Sun 11/2

4:23 pm-12:08 pm

2 stops16h 45m

Portland

Thu 11/6

7:02 am-3:53 pm

2 stops11h 51m

$998

Santa RosaPortland

STS - PWM

STSPWM

Santa Rosa Sonoma County

Thu 9/25

4:19 pm-11:44 am

2 stops16h 25m

Portland

Mon 9/29

6:01 am-3:48 pm

2 stops12h 47m

$1,020

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, January is the cheapest month in which you can book a flight from Santa Rosa to Portland, Maine (average of $296). Flying from Santa Rosa to Portland, Maine in July is currently the most expensive (average of $394). 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 11m. 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, January is the cheapest month in which you can book a flight from Santa Rosa to Portland, Maine (average of $296). Flying from Santa Rosa to Portland, Maine in July is currently the most expensive (average of $394). 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
Brunswick
North Conway
Auburn
Conway
Lewiston

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Boston flights
San Francisco to Boston flights
San Diego to Boston flights
Ontario to Boston flights
Santa Ana to Boston flights
Burbank to Boston flights
San Jose to Boston flights
Las Vegas to Boston flights
Oakland to Boston flights
Sacramento to Boston flights
Los Angeles to Portland flights
San Francisco to Portland flights
Reno to Boston flights
Long Beach to Boston flights
Fresno to Boston flights
Santa Barbara to Boston flights
Los Angeles to Bangor flights
Ontario to Portland flights
San Diego to Portland flights
Palm Springs to Boston flights
San Luis Obispo to Boston flights
Monterey to Boston flights
Santa Ana to Portland flights
Santa Rosa to Boston flights
San Francisco to Bangor flights
Sacramento to Portland flights
San Jose to Portland flights
Las Vegas to Portland flights
San Diego to Bangor flights
Medford to Boston flights
Sacramento to Bangor flights
Arcata to Boston flights
Burbank to Portland flights
Bakersfield to Boston flights
Reno to Portland flights
Ontario to Bangor flights
Medford to Portland flights
Palm Springs to Portland flights
Oakland to Portland flights
Santa Ana to Bangor flights
San Francisco to Bar Harbor flights
Las Vegas to Bangor flights
Los Angeles to Bar Harbor flights
San Francisco to Rockland flights
San Jose to Bangor flights
Las Vegas to Augusta flights
Los Angeles to Rockland flights
San Luis Obispo to Portland flights
Fresno to Portland flights
Los Angeles to Augusta flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.