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$195 Cheap Flights from Baltimore (BWI) to San Luis Obispo (SBP)

View $195 flight on Fri, Oct 16, 2026Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to San Luis Obispo County Regional Airport (SBP)

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Cheap Flights from Baltimore to San Luis Obispo (BWI-SBP)

Prices were available within the past 7 days and start at $195 for one-way flights and $374 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Fri, Oct 2 - Sat, Oct 3
BWI
Baltimore
SBP
San Luis Obispo
$374 Roundtrip, found 4 days ago
$374
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 2 from Baltimore to San Luis Obispo, returning Sat, Oct 3, priced at $374 found 4 days ago
Alaska Airlines
Fri, Dec 11 - Mon, Dec 14
BWI
Baltimore
SBP
San Luis Obispo
$379 Roundtrip, found 5 days ago
$379
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Fri, Dec 11 from Baltimore to San Luis Obispo, returning Mon, Dec 14, priced at $379 found 5 days ago
United
Fri, Oct 2 - Sat, Oct 3
BWI
Baltimore
SBP
San Luis Obispo
$380 Roundtrip, found 4 days ago
$380
Roundtrip
found 4 days ago
Select United flight, departing Fri, Oct 2 from Baltimore to San Luis Obispo, returning Sat, Oct 3, priced at $380 found 4 days ago
United
Thu, Jan 21 - Mon, Jan 25
BWI
Baltimore
SBP
San Luis Obispo
$389 Roundtrip, found 14 hours ago
$389
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Jan 21 from Baltimore to San Luis Obispo, returning Mon, Jan 25, priced at $389 found 14 hours ago
United
Fri, Oct 30 - Sun, Nov 1
BWI
Baltimore
SBP
San Luis Obispo
$399 Roundtrip, found 4 hours ago
$399
Roundtrip
found 4 hours ago
Select United flight, departing Fri, Oct 30 from Baltimore to San Luis Obispo, returning Sun, Nov 1, priced at $399 found 4 hours ago
United
Thu, Nov 5 - Mon, Nov 9
BWI
Baltimore
SBP
San Luis Obispo
$404 Roundtrip, just found
$404
Roundtrip
just found
Select United flight, departing Thu, Nov 5 from Baltimore to San Luis Obispo, returning Mon, Nov 9, priced at $404 just found
Alaska Airlines
Wed, Oct 28 - Mon, Nov 2
BWI
Baltimore
SBP
San Luis Obispo
$407 Roundtrip, found 7 hours ago
$407
Roundtrip
found 7 hours ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Baltimore to San Luis Obispo, returning Mon, Nov 2, priced at $407 found 7 hours ago
United
Fri, Jan 22 - Mon, Jan 25
BWI
Baltimore
SBP
San Luis Obispo
$410 Roundtrip, found 1 day ago
$410
Roundtrip
found 1 day ago
Select United flight, departing Fri, Jan 22 from Baltimore to San Luis Obispo, returning Mon, Jan 25, priced at $410 found 1 day ago
United
Thu, Jan 21 - Mon, Jan 25
BWI
Baltimore
SBP
San Luis Obispo
$410 Roundtrip, found 14 hours ago
$410
Roundtrip
found 14 hours ago
Select United flight, departing Thu, Jan 21 from Baltimore to San Luis Obispo, returning Mon, Jan 25, priced at $410 found 14 hours ago
American Airlines
Wed, Oct 14 - Wed, Oct 21
BWI
Baltimore
SBP
San Luis Obispo
$477 Roundtrip, found 4 hours ago
$477
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Wed, Oct 14 from Baltimore to San Luis Obispo, returning Wed, Oct 21, priced at $477 found 4 hours ago

Alternative airports near San Luis Obispo

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Luis Obispo County Regional SBP. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $419
SBP
San Luis Obispo County Regional
CheapestClosest
Average driving time to city center6 min
Flights from $419

Find the cheapest month to fly from Baltimore (BWI) to San Luis Obispo (SBP)

November is typically the cheapest month to fly

From $328 - $453 per traveler.

What you need to know for your flight from Baltimore Washington Intl. Thurgood Marshall to San Luis Obispo County Regional

Baltimore (BWI) to San Luis Obispo (SBP) at a glance

Travel between Baltimore (BWI) and San Luis Obispo (SBP) with a selection of airlines offering diverse routes on this domestic long-haul journey. Evaluate choices from full-service carriers to discover the itinerary that aligns with your budget, schedule, and travel ambitions as you uncover the renowned attractions and neighborhoods of San Luis Obispo. Here, you can find essential information for flights departing from Baltimore Washington International Thurgood Marshall Airport (BWI) to San Luis Obispo County Regional Airport (SBP).

  • Fastest flight duration: around 7 hours in-flight, plus roughly 1h 15m layover with one stop
  • Route distance: roughly 2,400 miles (3,860 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $180–$485, depending on seasonality and how far ahead you book

Flights from Baltimore Washington International Thurgood Marshall Airport (BWI) to San Luis Obispo County Regional Airport (SBP)

Based on recent traveler bookings, here are the top airlines favored for flights from Baltimore to San Luis Obispo, particularly for one-stop and multi-stop journeys. Many passengers opt for convenient layovers at Denver International Airport (DEN, approximately 1 hour and 15 minutes), Dallas-Fort Worth International Airport (DFW, around 1 hour and 15 minutes), and Los Angeles International Airport (LAX, about 2 hours and 30 minutes). These choices provide flexibility in balancing price, total travel time, and cabin class for the best travel experience.

  • United: This full-service airline provides both one-stop and multi-stop options, with one-way ticket prices generally falling between $180 and $505. United operates about 76% of flights on this route, featuring a standard one-stop flight duration of 7 hours and a total travel time of approximately 8 hours and 15 minutes.
  • American Airlines: Another full-service option, American Airlines offers one-stop travel with one-way fares typically ranging from $205 to $445. Representing around 24% of departures on this route, passengers can expect 7 hours in-flight, with the complete journey lasting about 8 hours and 15 minutes, including layover time.

Alternative routes from Baltimore (BWI) to San Luis Obispo (SBP)

  • Baltimore to Santa Barbara (BWI-SBA): Santa Barbara Municipal Airport (SBA) is located approximately 72 miles from San Luis Obispo County Regional Airport (SBP). For this journey, one-way economy tickets generally vary between $150 and $540, influenced by the time of year and how far in advance you book. Typically, this route offers one-stop flights, with common layover points including Denver International Airport (DEN) and Harry Reid International Airport (LAS). Major airlines operating on this route are United and Delta. Additionally, first-class service is available.
  • Washington to San Luis Obispo (DCA-SBP): Ronald Reagan Washington National Airport (DCA) is about 30 miles from Baltimore Washington International Thurgood Marshall Airport (BWI). On this route, one-way economy fares generally range from $170 to $505, depending on the season and booking timing. Flights typically involve one stop, with popular layovers at Sky Harbor International Airport (PHX) and San Diego International Airport (SAN). Leading airlines for this route include American Airlines and United. Moreover, both business and first-class service options are offered.

How to find the best prices for flights from Baltimore (BWI) to San Luis Obispo (SBP)

Getting some of the best deals on flights from Baltimore to San Luis Obispo is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are often available when booking at least two months in advance, although most travelers book between two to eight weeks ahead. Afternoon departures from 12 p.m. to 6 p.m. usually offer lower prices, while morning flights from 5 a.m. to 12 p.m. are the most popular. Additionally, flying on Wednesday tends to be cheaper, even though Saturday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find San Luis Obispo hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at San Luis Obispo County Regional Airport from Baltimore Washington International Thurgood Marshall Airport

San Luis Obispo welcomes travelers from Baltimore with a range of transport options based on price, convenience, and proximity. Here's how to reach San Luis Obispo efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in San Luis Obispo, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from San Luis Obispo County Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at San Luis Obispo County Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From San Luis Obispo County Regional Airport, San Luis Obispo Seaport, a seaport, is located just 0.1 miles away on foot, while San Luis Obispo Station, a train station, is about 3.8 miles from the airport by car. Additionally, the Cal Poly San Luis Obispo Bus Stop, a bus station, is situated approximately 5.6 miles away, also accessible by car.

Frequently asked questions

How much does a flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) cost?
You can find cheap one-way flights from $195 and cheap return flights from $374 Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) with Expedia. One-way flights typically cost between $264 and $1395, and return flights often range between $556 and $1778. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The cheapest month to fly from BWI to SBP is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
Enter BWI to SBP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Baltimore, MD (BWI) to San Luis Obispo, CA (SBP), with round-trip tickets starting from around $359 with a layover in Charlotte-Douglas Intl. (CLT). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
To find a cheap flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The earliest flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) typically departs at around 5:00 AM, operated by American Airlines. This is a seasonal service active in October, and an early departure allows you to make the most of your time in California. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The most popular departure times for flights from Baltimore Washington Intl. Thurgood Marshall (BWI) to San Luis Obispo County Regional (SBP) are in the early morning, from 6am to 9am. About 58% of passengers prefer this time window. Many major carriers, including United Airlines, Delta Air Lines, and American Airlines, offer flights during this window. This timing works well because it allows you to start your day early and make the most of your time in San Luis Obispo.
How long does it take to fly from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
Flights from BWI to SBP with one stop typically take around 8 hours 20 minutes, covering approximately 2,411 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
First class seats are offered on the BWI to SBP route with United Airlines and American Airlines.
How do I earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight with Expedia?
It's easy to earn miles on a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Luis Obispo from Baltimore Washington Intl. Thurgood Marshall (BWI)?
From Baltimore Washington Intl. Thurgood Marshall (BWI), you can fly into San Luis Obispo County Regional (SBP) to reach San Luis Obispo. Some flights may connect through major hubs like Hartsfield-Jackson Atlanta Intl. (ATL), O'Hare Intl. (ORD), Denver Intl. (DEN) before reaching San Luis Obispo. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) at the last minute?
Typically, booking a last minute flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight and hotel package?
Securing a Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) San Luis Obispo Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
If you booked your Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
San Luis Obispo County Regional
Airlines serving
Alaska Airlines, American Airlines, United
Roundtrip price
$374
Distance
2411 mi

Book with confidence

Baltimore to San Luis Obispo Flights

The cheapest times to fly from Baltimore to San Luis Obispo

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Baltimore to San Luis Obispo are during the month of October. You can find some of the cheapest flights from Baltimore to San Luis Obispo with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Baltimore to San Luis Obispo

Sunday is one of the best days to book for cheap flights from Baltimore to San Luis Obispo: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Baltimore to San Luis Obispo

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Baltimore to San Luis Obispo in 2026. You can also book with separate airlines for your outbound and return journeys, from $195 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Baltimore to San Luis Obispo flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Baltimore to San Luis Obispo airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Baltimore to San Luis Obispo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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