$439+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SBP
Jan 20 — Jan 271
1 adult, Economy
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1. Tell us where you want to go
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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
Best flights from Portland to San Luis ObispoDiscover carefully curated flight deals from Portland to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.
Discover carefully curated flight deals from Portland to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 21, 2025.
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Sat 1/242:31 pmPWM - SBP
2 stops12h 26mUnited Airlines
Wed 1/286:05 amSBP - PWM
2 stops14h 25mUnited Airlines
Deal found 12/18![United Airlines logo]()
$439
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 December 21, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 1 star |
Round-trip from | $439 (United Airlines) |
Popular in | December |
Cheapest in | January |
Average price | $897 |
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 December 21, 2025.
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
Sat 1/24
2:31 pm-11:57 pm
2 stops12h 26m
San Luis Obispo County
Wed 1/28
6:05 am-11:30 pm
2 stops14h 25m
$439
- 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 $398). 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.
What is the cheapest time of day to fly from PWM to SBP?
Find hourly flight availability from Portland to San Luis Obispo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 21, 2025.
It’s typically best to fly out from Portland, Maine to San Luis Obispo at noon. Doing so could potentially save you 28% on the flight price compared to flying in the afternoon, which is usually more expensive.
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.
Traveling to a place near San Luis Obispo?
Book flights to San Luis Obispo if you plan to visit one of these locationsMorro Bay
Arroyo Grande
Avila Beach
San Simeon