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$140 Cheap Flights from Denver (DEN) to San Luis Obispo (SBP)

View $140 flight on Wed, Oct 7, 2026Opens in a new window

Popular airlines from Denver Intl. Airport (DEN) to San Luis Obispo County Regional Airport (SBP)

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Cheap Flights from Denver to San Luis Obispo (DEN-SBP)

Prices were available within the past 7 days and start at $140 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, Feb 12 - Thu, Feb 18
DEN
Denver
SBP
San Luis Obispo
$279 Roundtrip, found 1 day ago
$279
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Fri, Feb 12 from Denver to San Luis Obispo, returning Thu, Feb 18, priced at $279 found 1 day ago
Alaska Airlines
Fri, Sep 25 - Mon, Sep 28
DEN
Denver
SBP
San Luis Obispo
$299 Roundtrip, found 2 hours ago
$299
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Fri, Sep 25 from Denver to San Luis Obispo, returning Mon, Sep 28, priced at $299 found 2 hours ago
United
Thu, Sep 10 - Sun, Sep 13
DEN
Denver
SBP
San Luis Obispo
$299 Roundtrip, found 3 hours ago
$299
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Sep 10 from Denver to San Luis Obispo, returning Sun, Sep 13, priced at $299 found 3 hours ago
Alaska Airlines
Sun, Sep 6 - Thu, Sep 10
DEN
Denver
SBP
San Luis Obispo
$304 Roundtrip, found 12 hours ago
$304
Roundtrip
found 12 hours ago
Select Alaska Airlines flight, departing Sun, Sep 6 from Denver to San Luis Obispo, returning Thu, Sep 10, priced at $304 found 12 hours ago
United
Thu, Sep 10 - Sun, Sep 13
DEN
Denver
SBP
San Luis Obispo
$309 Roundtrip, found 3 hours ago
$309
Roundtrip
found 3 hours ago
Select United flight, departing Thu, Sep 10 from Denver to San Luis Obispo, returning Sun, Sep 13, priced at $309 found 3 hours ago
Alaska Airlines
Wed, Nov 11 - Thu, Dec 10
DEN
Denver
SBP
San Luis Obispo
$311 Roundtrip, found 3 hours ago
$311
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Nov 11 from Denver to San Luis Obispo, returning Thu, Dec 10, priced at $311 found 3 hours ago
United
Sat, Oct 3 - Wed, Oct 7
DEN
Denver
SBP
San Luis Obispo
$313 Roundtrip, found 4 hours ago
$313
Roundtrip
found 4 hours ago
Select United flight, departing Sat, Oct 3 from Denver to San Luis Obispo, returning Wed, Oct 7, priced at $313 found 4 hours ago
United
Fri, May 14 - Sun, May 16
DEN
Denver
SBP
San Luis Obispo
$314 Roundtrip, just found
$314
Roundtrip
just found
Select United flight, departing Fri, May 14 from Denver to San Luis Obispo, returning Sun, May 16, priced at $314 just found
Alaska Airlines
Wed, Nov 11 - Thu, Dec 10
DEN
Denver
SBP
San Luis Obispo
$316 Roundtrip, found 3 hours ago
$316
Roundtrip
found 3 hours ago
Select Alaska Airlines flight, departing Wed, Nov 11 from Denver to San Luis Obispo, returning Thu, Dec 10, priced at $316 found 3 hours ago
American Airlines
Sat, Oct 3 - Wed, Oct 7
DEN
Denver
SBP
San Luis Obispo
$319 Roundtrip, found 4 hours ago
$319
Roundtrip
found 4 hours ago
Select American Airlines flight, departing Sat, Oct 3 from Denver to San Luis Obispo, returning Wed, Oct 7, priced at $319 found 4 hours ago

Find the cheapest month to fly from Denver (DEN) to San Luis Obispo (SBP)

April is typically the cheapest month to fly

From $218 - $359 per traveler.

What you need to know for your flight from Denver Intl. to San Luis Obispo County Regional

Denver (DEN) to San Luis Obispo (SBP) at a glance

Travel from Denver (DEN) to San Luis Obispo (SBP) with a selection of airlines providing flights on this domestic short-haul route. Explore various options, from full-service providers to budget-friendly choices, ensuring you find the itinerary that aligns with your schedule and budget. As you plan your journey to discover the charming sights and neighborhoods of San Luis Obispo, gather essential information about flights departing from Denver International Airport (DEN) to San Luis Obispo County Regional Airport (SBP).

  • Fastest flight duration: around 2h 45m non-stop
  • Route distance: roughly 900 miles (1,450 km)
  • Flights per week: around 12 departures on average
  • Typical fares (one-way): economy tickets often range from $115–$450, depending on seasonality and how far ahead you book

Flights from Denver International Airport (DEN) to San Luis Obispo County Regional Airport (SBP)

Based on recent traveler bookings, here are the top airlines favored for flights from Denver to San Luis Obispo, featuring both non-stop and one-stop options. Popular layovers include Sky Harbor International Airport (PHX) with a layover of approximately 1 hour and 15 minutes, San Diego International Airport (SAN) also around 1 hour and 15 minutes, and Los Angeles International Airport (LAX) at the same duration. This variety provides travelers the flexibility to compare prices, total travel times, and cabin classes to create their ideal itinerary.

  • United: This major airline provides both non-stop and one-stop flights, holding a dominant share of about 78% of departures on this route. One-way ticket prices generally range from $115 to $475, and a typical non-stop flight takes around 2 hours and 45 minutes.
  • Alaska Airlines: Offering one-stop service, Alaska Airlines accounts for about 12% of flights on this route. Passengers can expect one-way fares between $115 and $265, with an in-flight duration of 3 hours and 45 minutes, leading to a total travel time of approximately 5 hours and 15 minutes, including layovers.
  • American Airlines: This airline provides one-stop services and makes up roughly 10% of departures on this route. One-way fares usually fall between $125 and $500, with an in-flight duration of 3 hours and 45 minutes, and a total journey time of about 5 hours and 15 minutes, factoring in the layover.

Travelers flying from Denver to San Luis Obispo can opt for an upgrade, as United offers first-class service on this route.

Best time to fly from Denver (DEN) to San Luis Obispo (SBP)

The most popular months for travelers flying from Denver to San Luis Obispo are March, April, and October, when peak temperatures in San Luis Obispo reach up to 64.6°F in October. If you prefer quieter travel, consider September, the least busy time to visit with temperatures around 69.1°F and typically the lowest average one-way fare (around $209). Flight availability peaks in October, with approximately 15 flights per week, making it easier to find convenient departure times.

  • Cheapest time to fly: September usually offers good deals with average one-way fare around $209, roughly 6% cheaper than the yearly average.
  • More budget-friendly months to fly: December, August, and February typically offer average one-way fares of around $216.
  • Most flight options: October has the highest number of flights from Denver to San Luis Obispo, with approximately 15 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)Average11$225
February52.9°F (11.6°C)Average10$217
March54.5°F (12.5°C)High11$227
April57.7°F (14.3°C)High11$229
May60.8°F (16.0°C)Low11$218
June65.5°F (18.6°C)Average13$232
July68.7°F (20.4°C)Average13$233
August69.4°F (20.8°C)Average11$214
September69.1°F (20.6°C)Low10$209
October64.6°F (18.1°C)High15$249
November57.6°F (14.2°C)Average13$228
December52.2°F (11.2°C)Low12$214

*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 Denver (DEN) to San Luis Obispo (SBP)

  • Colorado Springs to San Luis Obispo (COS-SBP): Colorado Springs Airport (COS) is located approximately 73 miles from Denver International Airport (DEN). One-way economy prices on this route generally fall between $115 and $465, influenced by the season and when you make your reservation. Travelers can choose from both one-stop and multi-stop flights, with common layover destinations including Denver International Airport (DEN) and Dallas-Fort Worth International Airport (DFW). Leading airlines for this route are United and American Airlines.
  • Denver to Santa Barbara (DEN-SBA): Santa Barbara Municipal Airport (SBA) is roughly 72 miles from San Luis Obispo County Regional Airport (SBP). On this route, one-way economy fares typically range from $100 to $445, varying by season and booking timing. Passengers can opt for either non-stop or one-stop flights. The main airlines providing service on this route include United and Southwest Airlines (a low-cost option). Additionally, first-class service is also offered on this route.

How to find the best prices for flights from Denver (DEN) to San Luis Obispo (SBP)

Getting some of the best deals on flights from Denver 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 aligns with when most travelers make their reservations. Evening departures between 6 PM and 12 AM tend to offer lower prices and are also popular among travelers. Additionally, flying on Wednesday generally provides cheaper options, although Friday 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 Denver International Airport

San Luis Obispo welcomes travelers from Denver 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, you can easily reach several transport options. The San Luis Obispo Seaport, a seaport, is located just about 0.1 miles away on foot, while San Luis Obispo Station, a train station, is approximately 3.8 miles from the airport by car. Additionally, the Cal Poly San Luis Obispo Bus Stop, a bus station, is situated about 5.6 miles away, also accessible by car.

Frequently asked questions

How much does a flight from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) cost?
You can find cheap one-way flights from $140 and cheap return flights from $279 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) with Expedia. One-way flights typically cost between $208 and $1014, and return flights often range between $309 and $1255. 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 Denver, CO (DEN-Denver Intl.) 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
January is the cheapest month to fly from Denver, CO (DEN) to San Luis Obispo, CA (SBP), with average round-trip fares around $299. This price is about 12% lower than the average fare for the year, as January typically sees a drop in travel demand after the holiday season. Other economical months to consider are February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
United offers around 17 weekly direct flights from DEN to SBP.
What is the cheapest airline that flies from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
United is one of the cheapest airlines offering nonstop flights from Denver Intl. (DEN) to San Luis Obispo County Regional (SBP), with round-trip tickets starting from around $229. 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
To find a cheap flight from Denver, CO (DEN-Denver Intl.) 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 airline to fly with from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The best airline to fly with from Denver, CO (DEN) to San Luis Obispo, CA (SBP) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from DEN to SBP, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The best time to fly from Denver to San Luis Obispo is typically in January or September. During these months, you can find return flights at around $299, making it a budget-friendly option. January is ideal as it follows the holiday rush, while September offers pleasant weather and fewer crowds, allowing for a more enjoyable travel experience.*Prices based on flights available on Expedia in the last year.
How many flights per day from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
There are approximately 2 nonstop flights per day from Denver Intl. (DEN) to San Luis Obispo County Regional (SBP). For more options, look at flights that include layovers.
What is the earliest flight from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The earliest flight from Denver International Airport (DEN) to San Luis Obispo County Regional Airport (SBP) generally departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in March, making it a great option for an early start to your California adventure. 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
The most popular departure times for flights from Denver Intl. (DEN) to San Luis Obispo County Regional (SBP) are in the evening, from 6pm to 9pm. About 30% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing is ideal for travelers who want to spend the day in Denver before heading to their destination.
How long does it take to fly from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
Direct flights from DEN to SBP usually take about 2 hours 50 minutes, traveling roughly 929 miles. If you opt for a connecting flight, expect to add around 2 hours 30 minutes to your journey. 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
First class is available on flights from DEN to SBP. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How much is a business class flight from Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
A direct, return business class ticket from Denver (DEN) to San Luis Obispo (SBP) typically costs between $1,575 - $2,066. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight with Expedia?
It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) 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 Denver Intl. (DEN)?
If you're planning to travel to San Luis Obispo from Denver Intl. (DEN), you can fly into San Luis Obispo County Regional (SBP) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Diego Intl. (SAN), Portland Intl. (PDX) 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) at the last minute?
Typically, booking a last minute flight from Denver, CO (DEN-Denver Intl.) 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional) flight and hotel package?
Securing a Denver, CO (DEN-Denver Intl.) 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 Denver, CO (DEN-Denver Intl.) to San Luis Obispo, CA (SBP-San Luis Obispo County Regional)?
If you booked your Denver, CO (DEN-Denver Intl.) 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
Denver Intl.
Destination airport
San Luis Obispo County Regional
Airlines serving
Alaska Airlines, American Airlines, United
Roundtrip price
$273
Distance
929 mi
Average flight time
1 hour 46 mins

Book with confidence

Denver to San Luis Obispo Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Denver 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 Denver 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 Denver to San Luis Obispo in 2026. You can also book with separate airlines for your outbound and return journeys, from $140 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 Denver 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 Denver 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.

 

Denver to San Luis Obispo Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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