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San Luis Obispo

$419+ 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 1/17. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SBP
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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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 December 4, 2025.

This United Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/2410:19 amPWM - SBP
2 stops13h 46mUnited Airlines
Tue 12/305:00 amSBP - PWM
2 stops15h 22mUnited Airlines
Deal found 12/2$778
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Fri 12/266:00 amPWM - SBP
2 stops14h 34mUnited Airlines
Tue 12/305:00 amSBP - PWM
2 stops15h 22mUnited Airlines
Deal found 12/2$1,099
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/246:00 amPWM - SBP
3 stops13h 31mAmerican Airlines
Tue 12/309:57 amSBP - PWM
3 stops10h 48mAmerican Airlines
Deal found 12/2$1,474
This American Airlines deal was found by Cheapflights users on 12/2. 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 12/265:45 amPWM - SBP
2 stops13h 15mAmerican Airlines
Tue 12/309:57 amSBP - PWM
3 stops10h 48mAmerican Airlines
Deal found 12/2$1,573

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 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$419
(United Airlines)
Provider with most accurate pricing for Portland-San Luis Obispo County flight deals.
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Provider most trusted by Cheapflights users for Portland-San Luis Obispo County flights.
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From Portland to San Luis Obispo County
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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 4, 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 1/17

6:00 am-3:39 pm

2 stops12h 39m

San Luis Obispo County

Wed 1/21

9:53 am-11:43 pm

2 stops10h 50m

$419

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 1/31

8:40 am-5:17 pm

2 stops11h 37m

San Luis Obispo County

Wed 2/4

7:10 am-11:30 pm

2 stops13h 20m

$419

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 1/17

8:40 am-9:15 pm

2 stops15h 35m

San Luis Obispo County

Wed 1/21

7:09 am-11:30 pm

2 stops13h 21m

$419

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Wed 12/24

10:19 am-9:05 pm

2 stops13h 46m

San Luis Obispo County

Tue 12/30

5:00 am-11:22 pm

2 stops15h 22m

$778

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Fri 12/26

6:00 am-5:34 pm

2 stops14h 34m

San Luis Obispo County

Tue 12/30

5:00 am-11:22 pm

2 stops15h 22m

$1,099

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Wed 12/24

6:00 am-4:31 pm

3 stops13h 31m

San Luis Obispo County

Tue 12/30

9:57 am-11:45 pm

3 stops10h 48m

$1,474

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Wed 12/31

5:48 am-4:00 pm

2 stops13h 12m

$973

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Tue 12/30

7:17 am-4:00 pm

2 stops11h 43m

$1,114

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Mon 12/29

5:45 am-4:00 pm

2 stops13h 15m

$1,413

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

  • 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, January is the cheapest month in which you can book a flight from Portland, Maine to San Luis Obispo (average of $262). Flying from Portland, Maine to San Luis Obispo in June is currently the most expensive (average of $402). 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 4, 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.

  • How long is the flight from Portland, Maine to San Luis Obispo?

    For as low as $419, American Airlines can have you in San Luis Obispo from Portland, Maine in 11h 37m. 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, January is the cheapest month in which you can book a flight from Portland, Maine to San Luis Obispo (average of $262). Flying from Portland, Maine to San Luis Obispo in June is currently the most expensive (average of $402). 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

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