HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Luis Obispo

$408+ Cheap flights from Portland, ME to San Luis Obispo (PWM - SBP)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SBP
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Portland to San Luis Obispo 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 Portland to San Luis Obispo

Cheapest flights from Portland to San Luis Obispo
Explore the most affordable flight options available from Portland to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This United Airlines deal was found by Cheapflights users on 1/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/23:12 pm
PWM
-
SBP
2 stops11h 45m
United Airlines
Fri 2/65:58 pm
SBP
-
PWM
2 stops12h 03m
United Airlines
Deal found 1/18$408
This United Airlines deal was found by Cheapflights users on 1/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/242:31 pm
PWM
-
SBP
2 stops12h 26m
United Airlines
Tue 1/276:05 am
SBP
-
PWM
2 stops14h 22m
United Airlines
Deal found 1/17$600
This American Airlines deal was found by Cheapflights users on 1/18. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/25:20 am
PWM
-
SBP
3 stops16h 10m
American Airlines
Fri 2/66:00 am
SBP
-
PWM
3 stops13h 07m
American Airlines
Deal found 1/18$1,281

Find flight deals from Portland to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to San Luis Obispo (SBP). 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 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$408
(United Airlines)
Provider with most accurate pricing for Portland-San Luis Obispo County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Portland-San Luis Obispo County flights.
Search Deals
From Portland to San Luis Obispo County
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to San Luis Obispo 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 20, 2026.
Use the filters below to find and compare flights from Portland to San Luis Obispo that are best for you.

Fly from

Portland

Fly to

San Luis Obispo

Route

Depart

Return

Price

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Mon 2/2

3:12 pm-11:57 pm

2 stops11h 45m

San Luis Obispo County

Fri 2/6

5:58 pm-9:01 am

2 stops12h 03m

$408

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Mon 2/2

5:20 am-6:30 pm

3 stops16h 10m

San Luis Obispo County

Fri 2/6

6:00 am-10:07 pm

3 stops13h 07m

$1,281

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

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

Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo 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 San Luis Obispo

What is the cheapest month to book a flight from Portland, Maine to San Luis Obispo?

Currently, November is the cheapest month in which you can book a flight from Portland, Maine to San Luis Obispo (average of $259). Flying from Portland, Maine to San Luis Obispo in June is currently the most expensive (average of $388). 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 Portland to San Luis Obispo. 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 Portland, Maine to San Luis Obispo?

    For as low as $408, United Airlines can have you in San Luis Obispo from Portland, Maine in 11h 45m. Portland, Maine and San Luis Obispo are separated by a distance of 2703 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Portland to San Luis Obispo that include hotel bookings?

    Yes. In addition to deals on Portland to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to San Luis Obispo?

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

  • Can I find deals for business class flights from Portland to San Luis Obispo?

    Yes. Cheapflights offers flight deals from Portland to San Luis Obispo 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, Maine to San Luis Obispo?

    Currently, November is the cheapest month in which you can book a flight from Portland, Maine to San Luis Obispo (average of $259). Flying from Portland, Maine to San Luis Obispo in June is currently the most expensive (average of $388). 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 San Luis Obispo?

Book flights to San Luis Obispo if you plan to visit one of these locations
Morro Bay
Arroyo Grande
Avila Beach
San Simeon

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 Portland to San Luis Obispo

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