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Cheap flights from Portland, Maine to San Luis Obispo from $319

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to San Luis Obispo departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Portland, Maine to San Luis Obispo

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
3:12 pm - 11:57 pmPWM-SBP
11h 45m2 stops
United Airlines Logo
5:58 pm - 9:01 amSBP-PWM
12h 03m2 stops
$319United Airlines
Find Deal
Mon, Jan 26 - Fri, Feb 6
American Airlines Logo
1:11 pm - 10:13 pmPWM-SBP
12h 02m2 stops
American Airlines Logo
7:30 pm - 12:00 pmSBP-PWM
13h 30m2 stops
$589American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
2:30 pm - 11:59 pmPWM-SBP
12h 29m2 stops
United Airlines Logo
5:15 am - 11:11 pmSBP-PWM
14h 56m3 stops
$594United Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
8:40 am - 9:14 pmPWM-SBP
15h 34m2 stops
United Airlines Logo
5:00 am - 2:29 pmSBP-PWM
30h 29m3 stops
$613United Airlines
Find Deal
Mon, Jan 26 - Fri, Feb 6
United Airlines Logo
9:40 am - 7:44 pmPWM-SBP
13h 04m3 stops
United Airlines Logo
7:09 am - 11:30 pmSBP-PWM
13h 21m3 stops
$1,121United Airlines
Find Deal
Mon, Jan 26 - Fri, Feb 6

United Airlines flights from Portland, Maine to San Luis Obispo

Our best United Airlines deals on Portland, Maine to San Luis Obispo flight tickets
United Airlines
Jan 26
PWM3:12 pmPortland
11h 45m
2 stops
SBP11:57 pmSan Luis Obispo County
Feb 6
SBP5:58 pmSan Luis Obispo County
12h 03m
2 stops
PWM9:01 amPortland
$319
Find similar
United Airlines
Mar 10
PWM2:30 pmPortland
12h 29m
2 stops
SBP11:59 pmSan Luis Obispo County
Mar 11
SBP5:15 amSan Luis Obispo County
14h 56m
3 stops
PWM11:11 pmPortland
$594
Find similar
United Airlines
Jan 26
PWM8:40 amPortland
15h 34m
2 stops
SBP9:14 pmSan Luis Obispo County
Feb 6
SBP5:00 amSan Luis Obispo County
30h 29m
3 stops
PWM2:29 pmPortland
$613
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Portland, Maine to San Luis Obispo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Mon 1/26

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

$319

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Tue 3/10

1:11 pm-10:13 pm

2 stops12h 02m

San Luis Obispo County

Wed 3/11

7:30 pm-12:00 pm

2 stops13h 30m

$589

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Tue 3/10

2:30 pm-11:59 pm

2 stops12h 29m

San Luis Obispo County

Wed 3/11

5:15 am-11:11 pm

3 stops14h 56m

$594

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Mon 1/26

8:40 am-9:14 pm

2 stops15h 34m

San Luis Obispo County

Fri 2/6

5:00 am-2:29 pm

3 stops30h 29m

$613

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Mon 1/26

9:40 am-7:44 pm

3 stops13h 04m

San Luis Obispo County

Fri 2/6

7:09 am-11:30 pm

3 stops13h 21m

$1,121

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 11/22

3:20 pm-9:08 pm

1 stop8h 48m

$329

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 11/22

3:20 pm-9:08 pm

1 stop8h 48m

$339

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 11/22

3:20 pm-9:08 pm

1 stop8h 48m

$393

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 11/22

9:54 am-9:08 pm

2 stops14h 14m

$398

PortlandSan Luis Obispo

PWM - SBP

PWMSBP

Portland

Sat 11/22

4:57 pm-5:26 pm

2 stops27h 29m

$413

Flights are sorted by cheapest round-trip flights first.

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See travel insights to San Luis Obispo from

How to get the cheapest flight ticket from Portland, Maine to San Luis Obispo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Luis Obispo?

On average, the least expensive day to fly to San Luis Obispo from Portland, Maine is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $463. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to San Luis Obispo for around $755.

What is the cheapest time of day to depart on your flight to San Luis Obispo?

Flying to San Luis Obispo from Portland, Maine at noon is the least expensive time of day to depart. momondo users have found prices as low as $491 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $683 on average. Flights to San Luis Obispo from Portland, Maine in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Portland, Maine to San Luis Obispo flights?

You could potentially save up to 33% on your flight if you consider stops on a Portland, Maine to San Luis Obispo flight.

When to book flights from Portland, Maine to San Luis Obispo

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to San Luis Obispo according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to San Luis Obispo (PWM to SBP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to San Luis Obispo

Direct flights

None
There are no direct flights from Portland, Maine to San Luis Obispo. There are no popular flight routes from Portland, Maine to San Luis Obispo.
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  • How far is Portland to San Luis Obispo County by plane?

    Portland and San Luis Obispo County are 2705.1 mi apart from one another. 11h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Portland Airport to San Luis Obispo County Airport?

    Prices for flights from Portland Airport to San Luis Obispo County Airport refresh daily.

  • How old do you have to be to fly from Portland Airport to San Luis Obispo County Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to San Luis Obispo County Airport.

  • What documentation or ID do you need to fly to San Luis Obispo County Airport?

    The travel and health documents you'll need for your trip to San Luis Obispo County Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Luis Obispo County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Luis Obispo?

Book flights to San Luis Obispo if you plan to visit one of these locations
Pismo Beach
Morro Bay
Paso Robles
Cambria
Avila Beach
San Simeon
Cayucos
Arroyo Grande
Atascadero
Grover Beach

Why use momondo?

Why should I use momondo to find a flight deal from Portland to San Luis Obispo?

Finding the right flight to San Luis Obispo from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Luis Obispo quick and easy, saving you time and money.

Can I find flights from Portland to San Luis Obispo with flexible booking policies on momondo?

All flight searches from Portland to San Luis Obispo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to San Luis Obispo?

momondo helps you find the best flight between Portland and San Luis Obispo by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Portland to San Luis Obispo right now. Can momondo alert me if prices change?

Price alerts on flights to San Luis Obispo from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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