HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$589+ Cheap flights from San Luis Obispo to Portland, ME (SBP - 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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — PWM
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) 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 October 29, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$589
(United Airlines)
Provider with most accurate pricing for San Luis Obispo County-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Luis Obispo County-Portland flights.
Search Deals
From San Luis Obispo County to Portland
Search Deals

Find flight deals from San Luis Obispo to Portland

Best flights from San Luis Obispo to Portland
Discover carefully curated flight deals from San Luis Obispo to Portland that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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 3/96:00 pmSBP - PWM
2 stops13h 48mUnited Airlines
Wed 3/116:00 amPWM - SBP
2 stops14h 23mUnited Airlines
Deal found 10/26$589

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Luis Obispo 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 October 29, 2025.
Use the filters below to find and compare flights from San Luis Obispo to Portland that are best for you.

Fly from

San Luis Obispo

Fly to

Portland

Route

Depart

Return

Price

San Luis ObispoPortland

SBP - PWM

SBPPWM

San Luis Obispo County

Mon 3/9

6:00 pm-10:48 am

2 stops13h 48m

Portland

Wed 3/11

6:00 am-5:23 pm

2 stops14h 23m

$589

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

  • Most accurate provider: When it comes to deals on San Luis Obispo-Portland, Maine flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Luis Obispo-Portland, Maine flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from San Luis Obispo-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Luis Obispo-Portland, Maine flights, Cheapflights users trust Expedia the most. Expedia 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 San Luis Obispo-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 San Luis Obispo to Portland

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

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

Currently, October is the cheapest month in which you can book a flight from San Luis Obispo to Portland, Maine (average of $218). Flying from San Luis Obispo to Portland, Maine in December is currently the most expensive (average of $452). 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.

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated October 29, 2025.
See what other customers who have flown with United Airlines from San Luis Obispo to Portland have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,999 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
8,999 reviews
United Airlines
7.4
Good
8,999 reviews

Entertainment

7.1

Boarding

7.7

Food

6.6

Overall

7.4

Comfort

7.3

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from San Luis Obispo 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 San Luis Obispo to Portland, Maine?

    For as low as $589, United Airlines can have you in Portland, Maine from San Luis Obispo in 13h 48m. The distance from San Luis Obispo to Portland, Maine is about 2703 mi.

  • What is the cheapest airline to fly from San Luis Obispo to Portland, Maine round-trip?

    United Airlines, at $369, was found to be the cheapest airline from San Luis Obispo to Portland, Maine..

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from San Luis Obispo to Portland, Maine (average of $218). Flying from San Luis Obispo to Portland, Maine in December is currently the most expensive (average of $452). 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

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 San Luis Obispo 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
Las Vegas to Boston flights
San Jose to Boston flights
Santa Ana to Boston flights
Oakland to Boston flights
Sacramento to Boston flights
Burbank to Boston flights
Los Angeles to Portland flights
Santa Barbara to Boston flights
Los Angeles to Bangor flights
Palm Springs to Boston flights
Reno to Boston flights
Long Beach to Boston flights
Ontario to Portland flights
San Francisco to Portland flights
San Luis Obispo to Boston flights
Fresno to Boston flights
Medford to Boston flights
San Diego to Portland flights
Burbank to Bangor flights
Monterey to Boston flights
Las Vegas to Portland flights
Bakersfield to Boston flights
Las Vegas to Bangor flights
Santa Rosa to Boston flights
San Jose to Bangor flights
San Diego to Bangor flights
Arcata to Boston flights
San Jose to Portland flights
Burbank to Portland flights
Sacramento to Portland flights
San Francisco to Augusta flights
Fresno to Portland flights
Santa Barbara to Bangor flights
Medford to Portland flights
Sacramento to Bangor flights
Monterey to Portland flights
Oakland to Portland flights
Reno to Portland flights
Palm Springs to Portland flights
Fresno to Bangor flights
Santa Ana to Portland flights
Los Angeles to Rockland flights
Los Angeles to Bar Harbor flights
Ontario to Bangor flights
Los Angeles to Augusta flights
Arcata to Portland flights

Top airline flying from San Luis Obispo to Portland

Discover the top airline that operate flights from San Luis Obispo to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$369Average$844FlexibilityNo cancel feeOn-time69%

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.