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San Luis Obispo

$264+ Cheap flights from Portland, ME to San Luis Obispo (PWM - SBP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SBP
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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Cheap 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 septiembre 16, 2025.

Round-trip from

$319
(American Airlines)

One-way from

$264
(American Airlines)
From Portland to San Luis Obispo County
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One-way flight from Portland to San Luis Obispo County
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Find 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 septiembre 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 11/2012:47 pmPWM - SBP
2 stops12h 30mAmerican Airlines
sáb. 12/69:55 amSBP - PWM
2 stops9h 37mAmerican Airlines
Deal found 9/16$319
This United Airlines deal was found by Cheapflights users on 9/16. 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.
jue. 11/203:20 pmPWM - SBP
1 stop8h 48mUnited Airlines
sáb. 12/67:15 amSBP - PWM
2 stops12h 57mUnited Airlines
Deal found 9/16$414
This United Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/292:34 pmPWM - SBP
2 stops12h 09mUnited Airlines
vie. 10/38:00 amSBP - PWM
2 stops12h 13mUnited Airlines
Deal found 9/14$647
This American Airlines deal was found by Cheapflights users on 9/14. 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.
lun. 9/296:00 amPWM - SBP
3 stops13h 05mAmerican Airlines
vie. 10/36:00 amSBP - PWM
2 stops13h 29mAmerican Airlines
Deal found 9/14$1,161

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 septiembre 16, 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

lun. 9/29

2:34 pm-11:43 pm

2 stops12h 09m

San Luis Obispo County

vie. 10/3

8:00 am-11:13 pm

2 stops12h 13m

$647

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

lun. 9/29

6:00 am-4:05 pm

3 stops13h 05m

San Luis Obispo County

vie. 10/3

6:00 am-10:29 pm

2 stops13h 29m

$1,161

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

sáb. 11/22

6:00 am-3:36 pm

2 stops12h 36m

$264

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

jue. 11/20

3:20 pm-9:08 pm

1 stop8h 48m

$309

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

jue. 11/20

7:02 am-6:29 pm

2 stops14h 27m

$314

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

lun. 11/24

9:54 am-10:05 pm

2 stops15h 11m

$314

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

dom. 11/23

3:20 pm-9:08 pm

1 stop8h 48m

$369

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

jue. 11/20

5:40 pm-6:40 pm

3 stops52h 00m

$407

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

sáb. 11/22

3:20 pm-9:08 pm

1 stop8h 48m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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 $374). Flying from Portland, Maine to San Luis Obispo in June is currently the most expensive (average of $511). 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 septiembre 16, 2025.

It’s typically best to fly out from Portland, Maine to San Luis Obispo at noon. Doing so could potentially save you 29% on the flight price compared to flying in the afternoon, which is usually more expensive.

Reviews of airlines servicing San Luis Obispo

Get insights into the airlines that provide service to San Luis Obispo. 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 San Luis Obispo. Reviews last updated septiembre 16, 2025.
Peruse reviews from past customers who have flown with United Airlines from Portland to San Luis Obispo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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 $647, United Airlines can have you in San Luis Obispo from Portland, Maine in 12h 09m. 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.

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

    Flying on United Airlines is currently your cheapest option to San Luis Obispo, with prices starting at $348.

  • 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 $374). Flying from Portland, Maine to San Luis Obispo in June is currently the most expensive (average of $511). 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
Avila Beach
Arroyo Grande
San Simeon

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Top airline flying from Portland to San Luis Obispo

Discover the top airline that operate flights from Portland to San Luis Obispo. 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$348Average$463FlexibilityNo cancel feeOn-time69%

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