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$177 Cheap Flights from Boise (BOI) to San Luis Obispo (SBP)

View $177 flight on Sat, Oct 3, 2026Opens in a new window

Popular airlines from Boise Airport (BOI) to San Luis Obispo County Regional Airport (SBP)

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Cheap Flights from Boise to San Luis Obispo (BOI-SBP)

Prices were available within the past 7 days and start at $177 for one-way flights and $343 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, Sep 12 - Wed, Sep 16
BOI
Boise
SBP
San Luis Obispo
$343 Roundtrip, found 13 hours ago
$343
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Boise to San Luis Obispo, returning Wed, Sep 16, priced at $343 found 13 hours ago
Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
BOI
Boise
SBP
San Luis Obispo
$358 Roundtrip, found 12 hours ago
$358
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Boise to San Luis Obispo, returning Sat, Oct 31, priced at $358 found 12 hours ago
Alaska Airlines
Wed, Oct 28 - Sat, Oct 31
BOI
Boise
SBP
San Luis Obispo
$363 Roundtrip, found 12 hours ago
$363
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Wed, Oct 28 from Boise to San Luis Obispo, returning Sat, Oct 31, priced at $363 found 12 hours ago
Alaska Airlines
Sat, Sep 12 - Wed, Sep 16
BOI
Boise
SBP
San Luis Obispo
$373 Roundtrip, found 13 hours ago
$373
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Boise to San Luis Obispo, returning Wed, Sep 16, priced at $373 found 13 hours ago
Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
BOI
Boise
SBP
San Luis Obispo
$378 Roundtrip, found 3 days ago
$378
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Oct 24 from Boise to San Luis Obispo, returning Tue, Oct 27, priced at $378 found 3 days ago
Alaska Airlines
Wed, Sep 9 - Sat, Sep 12
BOI
Boise
SBP
San Luis Obispo
$381 Roundtrip, found 4 days ago
$381
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Wed, Sep 9 from Boise to San Luis Obispo, returning Sat, Sep 12, priced at $381 found 4 days ago
Alaska Airlines
Sat, Sep 5 - Sat, Sep 12
BOI
Boise
SBP
San Luis Obispo
$383 Roundtrip, found 14 hours ago
$383
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sat, Sep 5 from Boise to San Luis Obispo, returning Sat, Sep 12, priced at $383 found 14 hours ago
Alaska Airlines
Sat, Sep 12 - Wed, Sep 16
BOI
Boise
SBP
San Luis Obispo
$388 Roundtrip, found 13 hours ago
$388
Roundtrip
found 13 hours ago
Select Alaska Airlines flight, departing Sat, Sep 12 from Boise to San Luis Obispo, returning Wed, Sep 16, priced at $388 found 13 hours ago
United
Sat, Jan 16 - Tue, Jan 19
BOI
Boise
SBP
San Luis Obispo
$430 Roundtrip, found 14 hours ago
$430
Roundtrip
found 14 hours ago
Select United flight, departing Sat, Jan 16 from Boise to San Luis Obispo, returning Tue, Jan 19, priced at $430 found 14 hours ago
American Airlines
Wed, Oct 28 - Sat, Oct 31
BOI
Boise
SBP
San Luis Obispo
$435 Roundtrip, found 12 hours ago
$435
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Wed, Oct 28 from Boise to San Luis Obispo, returning Sat, Oct 31, priced at $435 found 12 hours ago

Find the cheapest month to fly from Boise (BOI) to San Luis Obispo (SBP)

April is typically the cheapest month to fly

From $196 - $370 per traveler.

What you need to know for your flight from Boise to San Luis Obispo County Regional

Boise (BOI) to San Luis Obispo (SBP) at a glance

Explore a variety of options for flights from Boise (BOI) to San Luis Obispo (SBP) on this convenient domestic route. Whether you're seeking cheap flights from Boise or prefer full-service airlines, you can easily compare itineraries to find the best match for your budget and schedule. As you plan your journey to discover the iconic sights and neighborhoods of San Luis Obispo, check out the essential details for flights from Boise Airport to San Luis Obispo County Regional Airport.

  • Fastest flight duration: around 3h 30m in-flight, plus roughly 1h 30m layover with one stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 9 departures on average
  • Typical fares (one-way): economy tickets often range from $110–$400, depending on seasonality and how far ahead you book

Flights from Boise Airport (BOI) to San Luis Obispo County Regional Airport (SBP)

Based on recent traveler bookings, here are the top airlines preferred for flights from Boise to San Luis Obispo, typically featuring one-stop services. Popular layover options include San Francisco International Airport (SFO) with a layover of about 1 hour and 30 minutes, Sky Harbor International Airport (PHX) with around a 2-hour layover, and Seattle-Tacoma International Airport (SEA) with approximately a 1 hour and 15 minutes layover. This gives you the flexibility to choose based on price, total travel time, and cabin class for your ideal itinerary.

  • United: This comprehensive airline provides one-stop service, with typical one-way fares ranging from $110 to $400. It operates about 46% of all departures on this route, featuring an in-flight duration of 3 hours and 30 minutes and an overall travel time of approximately 5 hours and 15 minutes, including layovers.
  • Alaska Airlines: As a full-service option, Alaska Airlines offers one-stop flights with one-way prices generally between $115 and $420. It represents around 33% of the flights on this route, with an in-flight time of 3 hours and 30 minutes and a total journey time of about 5 hours and 15 minutes, factoring in layovers.
  • American Airlines: This full-service carrier provides one-stop travel, with one-way fares usually ranging from $125 to $420. American Airlines accounts for roughly 21% of departures on this route, featuring a flight time of 3 hours and 30 minutes and a total journey duration of around 5 hours and 15 minutes, including layovers.

Best time to fly from Boise (BOI) to San Luis Obispo (SBP)

The most popular months for travelers flying from Boise to San Luis Obispo are January, March, and April, when peak temperatures in San Luis Obispo reach up to 57.7°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 69.1°F. For better deals, May usually offers the lowest average one-way fare around $199. Flight availability peaks in May and June, with approximately 10 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: May usually offers good deals with average one-way fare around $199, roughly 14% cheaper than the yearly average.
  • Another budget-friendly time to fly: September typically offers an average one-way fare of around $211.
  • Most flight options: May and June have the highest number of flights from Boise to San Luis Obispo, with approximately 10 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January52.7°F (11.5°C)Moderately High9$253
February52.9°F (11.6°C)Average9$220
March54.5°F (12.5°C)Moderately High9$250
April57.7°F (14.3°C)Moderately High9$258
May60.8°F (16.0°C)Average10$199
June65.5°F (18.6°C)Average10$221
July68.7°F (20.4°C)Moderately Low9$223
August69.4°F (20.8°C)Average8$232
September69.1°F (20.6°C)Moderately Low8$211
October64.6°F (18.1°C)Average9$227
November57.6°F (14.2°C)Moderately Low9$229
December52.2°F (11.2°C)Average9$266

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Boise (BOI) to San Luis Obispo (SBP)

  • Boise to Santa Maria (BOI-SMX): Located approximately 26 miles from San Luis Obispo County Regional Airport (SBP), Santa Maria Public Airport (SMX) serves as a convenient option for travelers.
  • Boise to Paso Robles (BOI-PRB): About 30 miles from San Luis Obispo County Regional Airport (SBP), Paso Robles Municipal Airport (PRB) offers another viable route for passengers flying in.

How to find the best prices for flights from Boise (BOI) to San Luis Obispo (SBP)

Getting some of the best deals on flights from Boise 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 typically found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Evening departures (6 PM to 12 AM) often offer lower prices, while Afternoon flights (12 PM to 6 PM) are the most popular. Additionally, flying on Saturday usually provides cheaper options, although Thursday remains the most favored 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 Boise Airport

San Luis Obispo welcomes travelers from Boise 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 about 0.1 miles away on foot, while San Luis Obispo Station, a train station, is approximately 3.8 miles from the airport and typically reached by car. Additionally, Cal Poly San Luis Obispo Bus Stop, a bus station, is situated about 5.6 miles away by car, providing convenient access to various transport options.

Frequently asked questions

How much does a flight from Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) cost?
You can find cheap one-way flights from $177 and cheap return flights from $343 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) with Expedia. One-way flights generally range between $203 and $1005, and roundtrip flights usually range from $372 to $1214. 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 Boise, ID (BOI) 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
January is the cheapest month to fly from Boise, ID (BOI) to San Luis Obispo, CA (SBP), with average round-trip fares around $324. This is about 24% lower than the average price throughout the year, as demand is typically lower during the winter months. Other economical months to consider are July and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
Enter BOI to SBP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
American Airlines is one of the cheapest airlines offering connecting flights from Boise, ID (BOI) to San Luis Obispo, CA (SBP) starting from around $233. 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
To find a cheap flight from Boise, ID (BOI) 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
When flying from Boise (BOI) to San Luis Obispo (SBP), January and September are the best months. January features return flights at approximately $324, making it a cost-effective option. September also offers pleasant weather and a more relaxed travel experience, making it a great time to visit.*Prices based on flights available on Expedia in the last year.
What is the earliest flight from Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The earliest flight from Boise Airport (BOI) to San Luis Obispo County Regional Airport (SBP) usually departs at around 5:00 AM, operated by United Airlines. This seasonal service is available in May, June, and August, giving you an early start to your trip. 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The most popular departure times for flights from Boise, ID (BOI) to San Luis Obispo, CA (SBP) are from noon to 3pm. About 40% of passengers prefer this time window. Many major carriers, including United Airlines and Alaska Airlines, offer flights during this window. This timing works well because it allows you to start your day in Boise before heading to your destination.
How long does it take to fly from Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
A flight from BOI to SBP with a layover takes around 6 hours 30 minutes, with the route covering approximately 622 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
You can fly first class between BOI and SBP. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines
  • Hawaiian Airlines

How do I earn miles on a Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight with Expedia?
It's easy to earn miles on a Boise, ID (BOI) 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 BOI (BOI)?
From BOI (BOI), you can fly into San Luis Obispo County Regional (SBP) to reach San Luis Obispo. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), Denver Intl. (DEN), Los Angeles Intl. (LAX) 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) at the last minute?
Typically, booking a last minute flight from Boise, ID (BOI) 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight and hotel package?
Securing a Boise, ID (BOI) 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 Boise, ID (BOI) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
If you booked your Boise, ID (BOI) 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
Boise
Destination airport
San Luis Obispo County Regional
Airlines serving
Alaska Airlines, American Airlines, United
Roundtrip price
$340
Distance
621 mi

Book with confidence

Boise to San Luis Obispo Flights

The cheapest times to fly from Boise 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 Boise to San Luis Obispo are during the month of September. You can find some of the cheapest flights from Boise to San Luis Obispo with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Boise 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 Boise 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 Boise to San Luis Obispo in 2026. You can also book with separate airlines for your outbound and return journeys, from $177 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 Boise 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 Boise 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.

 

Boise to San Luis Obispo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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