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Cheap flights from San Luis Obispo to St. Louis (SBP - STL)

SBP — STL
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Find flight deals from San Luis Obispo to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to St. Louis (STL). 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 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

February

Cheapest in

August

Average price

$521
Provider with most accurate pricing for San Luis Obispo County-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for San Luis Obispo County-Lambert-St Louis flights.
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Highest demand for flights based on searches. 13% potential increase in price ($94 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Compare providers for flights from San Luis Obispo to St. Louis

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 San Luis Obispo to St. Louis in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 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 San Luis Obispo-St. Louis flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Luis Obispo-St. Louis flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Luis Obispo-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Luis Obispo-St. Louis flights, Cheapflights users trust eDreams the most. eDreams 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 San Luis Obispo-St. Louis 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 San Luis Obispo to St. Louis

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

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

Currently, April is the cheapest month in which you can book a flight from San Luis Obispo to St. Louis (average of $218). Flying from San Luis Obispo to St. Louis in July is currently the most expensive (average of $368). 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.

What is the cheapest time of day to fly from SBP to STL?

Find hourly flight availability from San Luis Obispo to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 62% on flights from San Luis Obispo to St. Louis by exploring options for tickets in the evening.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated December 4, 2025.
Read reviews from past customers who have flown United Airlines and American Airlines from San Luis Obispo to St. Louis. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
United Airlines
7.4
Good
9,066 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,066 reviews

Food

6.6

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Kathy,Jun 2024

RDD - SFO

United has consistently been good. Every now and then there is a crew member that should probably retire, but most of them are excellent.

Related info for your journey

Find useful and relevant information for your journey from San Luis Obispo to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Flying on United Airlines is currently your cheapest option to St. Louis, with prices starting at $344. Another option worth looking into is American Airlines, starting at $352 round trip. These flights start at 44% lower than the current average price 3 months from now.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Luis Obispo to St. Louis.

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

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

    Currently, April is the cheapest month in which you can book a flight from San Luis Obispo to St. Louis (average of $218). Flying from San Luis Obispo to St. Louis in July is currently the most expensive (average of $368). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Fairview Heights
Maryland Heights
Collinsville
Swansea
Eureka
Glencoe
St. Peters
Chesterfield
Alton
Farmington
Festus

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

Discover the top 2 airlines that operate flights from San Luis Obispo to St. Louis. 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 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$344Average$583FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$352Average$519FlexibilityNo cancel feeOn-time71%

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