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Cheap flights from Portland, Maine to San Luis Obispo from $379

This is the cheapest one-way 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 9/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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
9:49 am - 9:00 pmPWM  Portland-SBP San Luis Obispo County
14h 11m2 stops Washington, D.C. Dulles Intl Denver Intl
United Airlines Logo
5:00 am - 3:51 pmSBP  San Luis Obispo County-PWM Portland
7h 51m1 stop Denver Intl
$464United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
6:00 am - 1:24 pmPWM  Portland-SBP San Luis Obispo County
10h 24m2 stops Chicago O'Hare Intl Denver Intl
United Airlines Logo
5:00 am - 9:23 pmSBP  San Luis Obispo County-PWM Portland
13h 23m2 stops Denver Intl Chicago O'Hare Intl
$469United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
6:00 am - 3:21 pmPWM  Portland-SBP San Luis Obispo County
12h 21m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
4:25 pm - 9:08 amSBP  San Luis Obispo County-PWM Portland
13h 43m2 stops Los Angeles Newark
$499United Airlines
Fri, Sep 11 - Mon, Sep 21
United Airlines Logo
10:45 am - 7:57 pmPWM  Portland-SBP San Luis Obispo County
12h 12m2 stops Newark San Francisco
United Airlines Logo
8:33 pm - 2:34 pmSBP  San Luis Obispo County-PWM Portland
15h 01m2 stops San Francisco Chicago O'Hare Intl
$539United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
3:37 pm - 9:00 pmPWM  Portland-SBP San Luis Obispo County
8h 23m1 stop Denver Intl
United Airlines Logo
5:00 am - 3:51 pmSBP  San Luis Obispo County-PWM Portland
7h 51m1 stop Denver Intl
$558United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
3:37 pm - 9:00 pmPWM  Portland-SBP San Luis Obispo County
8h 23m1 stop Denver Intl
United Airlines Logo
5:00 am - 3:51 pmSBP  San Luis Obispo County-PWM Portland
7h 51m1 stop Denver Intl
$569United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
7:40 am - 7:57 pmPWM  Portland-SBP San Luis Obispo County
15h 17m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
5:00 am - 3:51 pmSBP  San Luis Obispo County-PWM Portland
7h 51m1 stop Denver Intl
$574United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
6:03 am - 3:22 pmPWM  Portland-SBP San Luis Obispo County
12h 19m2 stops Chicago O'Hare Intl San Francisco
United Airlines Logo
5:00 am - 3:51 pmSBP  San Luis Obispo County-PWM Portland
7h 51m1 stop Denver Intl
$574United Airlines
Wed, Aug 26 - Mon, Aug 31
United Airlines Logo
10:45 am - 7:57 pmPWM  Portland-SBP San Luis Obispo County
12h 12m2 stops Newark San Francisco
United Airlines Logo
8:33 pm - 2:34 pmSBP  San Luis Obispo County-PWM Portland
15h 01m2 stops San Francisco Chicago O'Hare Intl
$579United Airlines
Wed, Aug 26 - Mon, Aug 31
American Airlines Logo
7:32 am - 6:34 pmPWM  Portland-SBP San Luis Obispo County
14h 02m2 stops Philadelphia Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 9:55 pmSBP  San Luis Obispo County-PWM Portland
12h 55m3 stops Phoenix Sky Harbor Intl Chicago O'Hare Intl Philadelphia
$944American Airlines
Fri, Sep 11 - Mon, Sep 21

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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
Aug 25
PWM9:49 amPortland
14h 11m
2 stops
SBP9:00 pmSan Luis Obispo County
Aug 29
SBP5:00 amSan Luis Obispo County
7h 51m
1 stop
PWM3:51 pmPortland
$464
United Airlines
Aug 25
PWM6:00 amPortland
10h 24m
2 stops
SBP1:24 pmSan Luis Obispo County
Aug 29
SBP5:00 amSan Luis Obispo County
13h 23m
2 stops
PWM9:23 pmPortland
$469
United Airlines
Sep 11
PWM10:50 amPortland
11h 57m
2 stops
SBP7:47 pmSan Luis Obispo County
Sep 21
SBP4:25 pmSan Luis Obispo County
13h 43m
2 stops
PWM9:08 amPortland
$499

American Airlines flights from Portland, Maine to San Luis Obispo

Our best American Airlines deals on Portland, Maine to San Luis Obispo flight tickets
American Airlines
Sep 11
PWM7:32 amPortland
14h 02m
2 stops
SBP6:34 pmSan Luis Obispo County
Sep 21
SBP6:00 amSan Luis Obispo County
12h 55m
3 stops
PWM9:55 pmPortland
$944
American Airlines
Aug 26
PWM9:08 amPortland
12h 20m
3 stops
SBP6:28 pmSan Luis Obispo County
Aug 31
SBP6:00 amSan Luis Obispo County
12h 21m
3 stops
PWM9:21 pmPortland
$1,276
American Airlines
Aug 26
PWM9:08 amPortland
12h 20m
3 stops
SBP6:28 pmSan Luis Obispo County
Aug 31
SBP6:00 amSan Luis Obispo County
12h 21m
3 stops
PWM9:21 pmPortland
$1,282

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 August 14, 2026.
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

Cheapest round-trip

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Tue 8/25

9:49 am-9:00 pm

2 stops14h 11m

San Luis Obispo County

Sat 8/29

5:00 am-3:51 pm

1 stop7h 51m

$464

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Tue 8/25

6:00 am-1:24 pm

2 stops10h 24m

San Luis Obispo County

Sat 8/29

5:00 am-9:23 pm

2 stops13h 23m

$469

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Fri 9/11

6:00 am-3:21 pm

2 stops12h 21m

San Luis Obispo County

Mon 9/21

4:25 pm-9:08 am

2 stops13h 43m

$499

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Wed 8/26

10:45 am-7:57 pm

2 stops12h 12m

San Luis Obispo County

Mon 8/31

8:33 pm-2:34 pm

2 stops15h 01m

$539
Quickest round-trip

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Tue 8/25

3:37 pm-9:00 pm

1 stop8h 23m

San Luis Obispo County

Sat 8/29

5:00 am-3:51 pm

1 stop7h 51m

$558

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Wed 8/26

3:37 pm-9:00 pm

1 stop8h 23m

San Luis Obispo County

Mon 8/31

5:00 am-3:51 pm

1 stop7h 51m

$569

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Wed 8/26

7:40 am-7:57 pm

2 stops15h 17m

San Luis Obispo County

Mon 8/31

5:00 am-3:51 pm

1 stop7h 51m

$574

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Wed 8/26

6:03 am-3:22 pm

2 stops12h 19m

San Luis Obispo County

Mon 8/31

5:00 am-3:51 pm

1 stop7h 51m

$574

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Wed 8/26

10:45 am-7:57 pm

2 stops12h 12m

San Luis Obispo County

Mon 8/31

8:33 pm-2:34 pm

2 stops15h 01m

$579

PortlandSan Luis Obispo

PWM Portland - SBP San Luis Obispo County

PWMSBP

Portland

Fri 9/11

7:32 am-6:34 pm

2 stops14h 02m

San Luis Obispo County

Mon 9/21

6:00 am-9:55 pm

3 stops12h 55m

$944

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest 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

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

You could potentially save up to 67% 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

Fastest flight time

8h 23m

Direct flights

None
The fastest flight from Portland, Maine to San Luis Obispo takes 8h 23m
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.
Search flight deals

Frequently asked questions about flying from Portland, Maine to San Luis Obispo

  • 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. 8h 23m 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
Paso Robles
Morro Bay
Cambria
San Simeon
Avila Beach
Arroyo Grande
Cayucos
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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