HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Luis Obispo

$237+ Cheap flights from Baltimore to San Luis Obispo (BWI - 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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — SBP
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Baltimore to San Luis Obispo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Baltimore to San Luis Obispo

Cheapest flights from Baltimore to San Luis Obispo
Explore the most affordable flight options available from Baltimore to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This American Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/236:00 amBWI - SBP
1 stop8h 46mAmerican Airlines
Wed 12/3112:36 pmSBP - BWI
1 stop7h 26mAmerican Airlines
Deal found 12/11$491
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/266:30 amBWI - SBP
1 stop8h 33mUnited Airlines
Tue 12/305:00 amSBP - BWI
1 stop6h 59mUnited Airlines
Deal found 12/11$544
This United Airlines deal was found by Cheapflights users on 12/11. 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 12/196:30 amBWI - SBP
1 stop8h 33mUnited Airlines
Thu 1/15:00 amSBP - BWI
1 stop6h 59mUnited Airlines
Deal found 12/11$658
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Mon 12/226:00 amBWI - SBP
1 stop8h 46mAmerican Airlines
Fri 12/2612:36 pmSBP - BWI
1 stop7h 20mAmerican Airlines
Deal found 12/10$682
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Tue 12/234:05 pmBWI - SBP
1 stop8h 00mUnited Airlines
Wed 12/316:23 pmSBP - BWI
2 stops19h 35mUnited Airlines
Deal found 12/10$708

Find flight deals from Baltimore to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) 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 12, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$369
(United Airlines)

One-way from

$237
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$603
Provider with most accurate pricing for Baltimore/Washington-San Luis Obispo County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Baltimore/Washington-San Luis Obispo County flights.
Search Deals
From Baltimore/Washington to San Luis Obispo County
Search Deals
One-way flight from Baltimore/Washington to San Luis Obispo County
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($62 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Baltimore 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 12, 2025.
Use the filters below to find and compare flights from Baltimore to San Luis Obispo that are best for you.

Fly from

Baltimore

Fly to

San Luis Obispo

Route

Depart

Return

Price

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Sat 1/10

6:34 pm-11:44 pm

1 stop8h 10m

San Luis Obispo County

Tue 1/13

5:00 am-3:04 pm

1 stop7h 04m

$369

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Sun 1/11

7:14 pm-5:37 pm

1 stop25h 23m

San Luis Obispo County

Tue 1/13

6:17 pm-6:14 pm

1 stop20h 57m

$412

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Mon 2/2

7:14 pm-4:55 pm

2 stops24h 41m

San Luis Obispo County

Thu 2/5

6:17 pm-6:14 pm

1 stop20h 57m

$444

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Sat 1/31

7:14 pm-4:55 pm

2 stops24h 41m

San Luis Obispo County

Wed 2/4

6:17 pm-6:14 pm

1 stop20h 57m

$458

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Sat 1/31

6:34 pm-11:44 pm

1 stop8h 10m

San Luis Obispo County

Wed 2/4

12:30 pm-11:15 pm

1 stop7h 45m

$469

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Mon 3/16

6:46 pm-6:53 pm

1 stop27h 07m

$237

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Mon 3/16

6:20 am-5:19 pm

2 stops13h 59m

$315

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Tue 12/23

6:00 am-11:46 am

1 stop8h 46m

$430

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Tue 12/23

4:05 pm-9:05 pm

1 stop8h 00m

$430

BaltimoreSan Luis Obispo

BWI - SBP

BWISBP

Baltimore/Washington

Sat 12/20

6:15 am-6:03 pm

2 stops14h 48m

$435

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 results
1
2

Compare providers for flights from Baltimore to San Luis Obispo

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Baltimore to San Luis Obispo in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Baltimore-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 Baltimore-San Luis Obispo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Baltimore-San Luis Obispo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Baltimore-San Luis Obispo flights, Cheapflights users trust Expedia the most. Expedia 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 Baltimore-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 Baltimore to San Luis Obispo

Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Baltimore 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 Baltimore to San Luis Obispo

What is the cheapest month to book a flight from Baltimore to San Luis Obispo?

Currently, September is the cheapest month in which you can book a flight from Baltimore to San Luis Obispo (average of $202). Flying from Baltimore to San Luis Obispo in February is currently the most expensive (average of $350). 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.

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 December 12, 2025.
Read through reviews of airlines operating flights from Baltimore to San Luis Obispo, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

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
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,050 reviews
United Airlines
7.4
Good
9,095 reviews

Food

6.6

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

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 Baltimore 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 Baltimore to San Luis Obispo?

    For as low as $369, United Airlines can have you in San Luis Obispo from Baltimore in 8h 10m. The distance between Baltimore and San Luis Obispo is about 2410 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Baltimore to San Luis Obispo round-trip?

    Currently priced at $368, American Airlines will fly you from Baltimore to San Luis Obispo and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $439. American Airlines is 35% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Baltimore to San Luis Obispo that include hotel bookings?

    Yes. In addition to deals on Baltimore to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Baltimore 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 Baltimore to San Luis Obispo.

  • Can I find deals for business class flights from Baltimore to San Luis Obispo?

    Yes. Cheapflights offers flight deals from Baltimore 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 Baltimore to San Luis Obispo?

    Currently, September is the cheapest month in which you can book a flight from Baltimore to San Luis Obispo (average of $202). Flying from Baltimore to San Luis Obispo in February is currently the most expensive (average of $350). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Baltimore to San Luis Obispo

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Las Vegas flights
Dulles Intl to Los Angeles flights
Reagan-National to Los Angeles flights
Reagan-National to Las Vegas flights
Baltimore to Las Vegas flights
Baltimore to Los Angeles flights
Philadelphia to Las Vegas flights
Dulles Intl to San Francisco flights
Philadelphia to Los Angeles flights
Reagan-National to San Francisco flights
Baltimore to San Francisco flights
Dulles Intl to San Diego flights
Baltimore to San Diego flights
Philadelphia to San Francisco flights
Dulles Intl to Ontario flights
Reagan-National to San Diego flights
Reagan-National to Ontario flights
Baltimore to Ontario flights
Philadelphia to San Diego flights
Dulles Intl to Santa Ana flights
Reagan-National to Santa Ana flights
Philadelphia to Ontario flights
Dulles Intl to Reno flights
Dulles Intl to Palm Springs flights
Dulles Intl to San Jose flights
Baltimore to Sacramento flights
Baltimore to Palm Springs flights
Dulles Intl to Sacramento flights
Baltimore to Santa Ana flights
Baltimore to San Jose flights
Reagan-National to Palm Springs flights
Reagan-National to Sacramento flights
Philadelphia to Santa Ana flights
Reagan-National to San Jose flights
Dulles Intl to Burbank flights
Philadelphia to Palm Springs flights
Baltimore to Burbank flights
Dulles Intl to Long Beach flights
Baltimore to Reno flights
Philadelphia to Reno flights
Reagan-National to Reno flights
Philadelphia to San Jose flights
Baltimore to Oakland flights
Dulles Intl to Oakland flights
Philadelphia to Burbank flights
Reagan-National to Burbank flights
Dulles Intl to Santa Barbara flights
Reagan-National to Oakland flights
Baltimore to Santa Barbara flights
Baltimore to Long Beach flights

Top 2 airlines flying from Baltimore to San Luis Obispo

Discover the top 2 airlines that operate flights from Baltimore 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$368Average$591FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$439Average$554FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.