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

$284+ Cheap flights from St. Louis to San Luis Obispo (STL - 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SBP
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis 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 St. Louis to San Luis Obispo

Cheapest flights from St. Louis to San Luis Obispo
Explore the most affordable flight options available from St. Louis to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 2/52:45 pm
STL
-
SBP
1 stop8h 30m
United Airlines
Wed 2/115:00 am
SBP
-
STL
1 stop6h 16m
United Airlines
Deal found 1/20$305
This American Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/47:15 am
STL
-
SBP
1 stop7h 02m
American Airlines
Sun 2/81:03 pm
SBP
-
STL
1 stop7h 56m
American Airlines
Deal found 1/19$359
This American Airlines deal was found by Cheapflights users on 1/21. 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.
Wed 3/257:58 am
STL
-
SBP
1 stop6h 05m
American Airlines
Sat 4/47:10 pm
SBP
-
STL
2 stops11h 25m
American Airlines
Deal found 1/21$384
This Orbitz deal was found by Cheapflights users on 1/21. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/257:00 am
STL
-
SBP
1 stop13h 42m
Alaska Airlines
Sat 4/47:34 pm
SBP
-
STL
1 stop17h 46m
Alaska Airlines
Deal found 1/21$386
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 am
STL
-
SBP
2 stops33h 32m
Alaska Airlines
Fri 4/177:34 pm
SBP
-
STL
1 stop17h 50m
Alaska Airlines
Deal found 1/20$396
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/215:30 pm
STL
-
SBP
1 stop27h 12m
Alaska Airlines
Fri 3/277:34 pm
SBP
-
STL
1 stop26h 25m
Alaska Airlines
Deal found 1/21$399
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 2/411:20 am
STL
-
SBP
2 stops11h 55m
United Airlines
Sun 2/812:30 pm
SBP
-
STL
1 stop6h 28m
United Airlines
Deal found 1/19$401
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 1/315:00 pm
STL
-
SBP
1 stop8h 44m
United Airlines
Tue 2/35:00 am
SBP
-
STL
1 stop6h 16m
United Airlines
Deal found 1/19$404

Find flight deals from St. Louis to San Luis Obispo

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) 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 January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$305
(United Airlines)

One-way from

$284
(American Airlines)

Popular in

July

Cheapest in

February

Average price

$521
Provider with most accurate pricing for Lambert-St Louis-San Luis Obispo County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-San Luis Obispo County flights.
Search Deals
From Lambert-St Louis to San Luis Obispo County
Search Deals
One-way flight from Lambert-St Louis to San Luis Obispo County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis 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 January 21, 2026.
Use the filters below to find and compare flights from St. Louis to San Luis Obispo that are best for you.

Fly from

St. Louis

Fly to

San Luis Obispo

Route

Depart

Return

Price

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Thu 2/5

2:45 pm-9:15 pm

1 stop8h 30m

San Luis Obispo County

Wed 2/11

5:00 am-1:16 pm

1 stop6h 16m

$305

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Wed 2/4

7:15 am-12:17 pm

1 stop7h 02m

San Luis Obispo County

Sun 2/8

1:03 pm-10:59 pm

1 stop7h 56m

$359

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Mon 4/13

7:00 am-2:32 pm

2 stops33h 32m

San Luis Obispo County

Fri 4/17

7:34 pm-3:24 pm

1 stop17h 50m

$396

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Sat 3/21

5:30 pm-6:42 pm

1 stop27h 12m

San Luis Obispo County

Fri 3/27

7:34 pm-11:59 pm

1 stop26h 25m

$399

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Wed 2/4

11:20 am-9:15 pm

2 stops11h 55m

San Luis Obispo County

Sun 2/8

12:30 pm-8:58 pm

1 stop6h 28m

$401

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Sat 1/31

5:00 pm-11:44 pm

1 stop8h 44m

San Luis Obispo County

Tue 2/3

5:00 am-1:16 pm

1 stop6h 16m

$404

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Sun 2/15

7:00 am-12:02 pm

1 stop7h 02m

$284

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Sun 2/15

5:50 pm-6:53 pm

3 stops51h 03m

$977

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from St. Louis 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 St. Louis to San Luis Obispo in January.
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 St. Louis-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 St. Louis-San Luis Obispo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-San Luis Obispo flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-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 St. Louis-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 St. Louis to San Luis Obispo

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

What is the cheapest month to book a flight from St. Louis to San Luis Obispo?

Currently, June is the cheapest month in which you can book a flight from St. Louis to San Luis Obispo (average of $236). Flying from St. Louis to San Luis Obispo in July is currently the most expensive (average of $393). 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 January 21, 2026.
See what other customers who have flown with United Airlines and American Airlines from St. Louis to San Luis Obispo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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
11,174 reviews
United Airlines
7.4
Good
9,191 reviews

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

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 St. Louis 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 St. Louis to San Luis Obispo?

    Departing from St. Louis to San Luis Obispo will take you 7h 02m. Airlines will cover a distance of 1679 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Cheapflights users have booked flights from St. Louis to San Luis Obispo round-trip from $352. Another airline that can offer you cheap pricing is American Airlines. These flights start at 33% lower than the current average price 3 months from now.

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

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

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

  • Can I find deals for business class flights from St. Louis to San Luis Obispo?

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

    Currently, June is the cheapest month in which you can book a flight from St. Louis to San Luis Obispo (average of $236). Flying from St. Louis to San Luis Obispo in July is currently the most expensive (average of $393). 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 St. Louis to San Luis Obispo

See prices for flight routes from nearby airports that may be better suited for you.
St. Louis to Las Vegas flights
Kansas City to Las Vegas flights
Kansas City to Los Angeles flights
St. Louis to Los Angeles flights
St. Louis to San Francisco flights
Kansas City to San Francisco flights
Kansas City to San Diego flights
St. Louis to San Diego flights
St. Louis to Ontario flights
Kansas City to Ontario flights
Kansas City to Santa Ana flights
St. Louis to Santa Ana flights
Kansas City to Palm Springs flights
St. Louis to Sacramento flights
Springfield to Los Angeles flights
Kansas City to Sacramento flights
Kansas City to San Jose flights
Columbia to Los Angeles flights
Kansas City to Burbank flights
Springfield to Las Vegas flights
St. Louis to Reno flights
St. Louis to San Jose flights
St. Louis to Burbank flights
Kansas City to Reno flights
Kansas City to Oakland flights
Springfield to San Francisco flights
St. Louis to Palm Springs flights
Springfield to San Diego flights
St. Louis to Oakland flights
Springfield to Ontario flights
Springfield to San Jose flights
Columbia to Las Vegas flights
Kansas City to Fresno flights
Kansas City to Long Beach flights
St. Louis to Medford flights
St. Louis to Long Beach flights
Kansas City to Monterey flights
St. Louis to Fresno flights
Kansas City to Santa Barbara flights
Springfield to Sacramento flights
Columbia to San Diego flights
St. Louis to Santa Barbara flights
Kansas City to Bakersfield flights
Springfield to Santa Ana flights
Kansas City to Medford flights
Joplin to Las Vegas flights
Joplin to Los Angeles flights
Springfield to Reno flights
Springfield to Palm Springs flights

Top 2 airlines flying from St. Louis to San Luis Obispo

Discover the top 2 airlines that operate flights from St. Louis 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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$352Average$654FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$392Average$506FlexibilityNo cancel feeOn-time71%

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.