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 $339. Other airlines that can offer you cheap pricing are Alaska Airlines, from $532, and United Airlines, from $536. These flights start at 35% lower than the current average price 3 months from now.

What is the cheapest day to fly from St. Louis to San Luis Obispo?

Travelers seeking maximum savings on their St. Louis to San Luis Obispo flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from St. Louis to San Luis Obispo?

Monday is generally a great day to depart. Flying on this day could help you save up to 76%.

What is the cheapest month to fly from St. Louis to San Luis Obispo?

Our data shows that February tends to be the cheapest month to fly to San Luis Obispo from St. Louis. Users have commonly found prices around $529 for the month, but tickets can be as low as $366. Due to multiple factors, prepare for potentially higher prices in September.

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

When flying from St. Louis to San Luis Obispo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 7% versus a flight at noon.

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 FlightHub the most. FlightHub 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.

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.

$339+ Flights from St. Louis to San Luis Obispo

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1. Tell us where you want to go

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Cheap flight deals from St. Louis to San Luis Obispo

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (American Airlines)
Popular in	September
Cheapest in	February
Average price	$404

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

Highest demand for flights based on searches. 14% potential increase in price ($88 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 6% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find 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 April 11, 2025.

Tue 5/207:00 amSTL - SBP

1 stop6h 32mAmerican Airlines

Tue 6/312:25 pmSBP - STL

1 stop8h 20mAmerican Airlines

Deal found 4/10

$339

Fri 10/172:55 pmSTL - SBP

2 stops32h 53mAlaska Airlines

Tue 10/286:00 amSBP - STL

2 stops15h 56mAlaska Airlines

Deal found 4/10

$434

Tue 5/204:45 pmSTL - SBP

2 stops9h 14mUnited Airlines

Tue 6/36:00 amSBP - STL

3 stops14h 45mUnited Airlines

Deal found 4/10

$536

Best flights from St. Louis to San Luis Obispo
Discover carefully curated flight deals from St. Louis to San Luis Obispo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 11, 2025.

Tue 5/207:00 amSTL - SBP

1 stop6h 32mAmerican Airlines

Tue 6/312:25 pmSBP - STL

1 stop8h 20mAmerican Airlines

Deal found 4/10

$339

Fri 6/66:22 pmSTL - SBP

1 stop26h 18mAlaska Airlines

Mon 6/97:35 pmSBP - STL

1 stop26h 29mAlaska Airlines

Deal found 4/9

$532

Tue 5/204:45 pmSTL - SBP

2 stops9h 14mUnited Airlines

Tue 6/36:00 amSBP - STL

3 stops14h 45mUnited Airlines

Deal found 4/10

$536

Last-minute flights from St. Louis to San Luis Obispo
Discover last-minute flight deals from St. Louis to San Luis Obispo. Data last updated April 11, 2025 and is based on user searches.

Tue 5/207:00 amSTL - SBP

1 stop6h 32mAmerican Airlines

Tue 6/312:25 pmSBP - STL

1 stop8h 20mAmerican Airlines

Deal found 4/10

$339

Tue 5/204:45 pmSTL - SBP

2 stops9h 14mUnited Airlines

Tue 6/36:00 amSBP - STL

3 stops14h 45mUnited Airlines

Deal found 4/10

$536

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to San Luis Obispo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Tue 5/20

7:00 am-11:32 am

1 stop6h 32m

San Luis Obispo County

Tue 6/3

12:25 pm-10:45 pm

1 stop8h 20m

$339

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Fri 6/6

6:22 pm-6:40 pm

1 stop26h 18m

San Luis Obispo County

Mon 6/9

7:35 pm-12:04 am

1 stop26h 29m

$532

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Tue 5/20

4:45 pm-11:59 pm

2 stops9h 14m

San Luis Obispo County

Tue 6/3

6:00 am-10:45 pm

3 stops14h 45m

$536

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Compare providers for flights from St. Louis to San Luis Obispo

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*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 FlightHub the most. FlightHub 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, January is the cheapest month in which you can book a flight from St. Louis to San Luis Obispo (average of $374). Flying from St. Louis to San Luis Obispo in June is currently the most expensive (average of $594). 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.

Rainfall in San Luis Obispo by month

In terms of precipitation, rainfall in San Luis Obispo ranges from 0.0 - 4.0 inches per month. December is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit San Luis Obispo when rainfall is around 0.0 in.

Temperature in San Luis Obispo by month

If weather is an important factor for your trip to San Luis Obispo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Luis Obispo

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,851 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,636 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,851 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

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 $339. Other airlines that can offer you cheap pricing are Alaska Airlines, from $532, and United Airlines, from $536. These flights start at 35% 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, January is the cheapest month in which you can book a flight from St. Louis to San Luis Obispo (average of $374). Flying from St. Louis to San Luis Obispo in June is currently the most expensive (average of $594). 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

Morro Bay

Arroyo Grande

Avila Beach

San Simeon

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

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$338	Average$624	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$351	Average$447	FlexibilityNo cancel fee	On-time71%

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$339+ Cheap flights from St. Louis to San Luis Obispo (STL - SBP)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/20. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from St. Louis to San Luis Obispo

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from St. Louis to San Luis Obispo

Cheapest flights from St. Louis to San Luis ObispoExplore 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 April 11, 2025.

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 April 11, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from St. Louis to San Luis Obispo that are best for you.

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 April.

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.

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?

Rainfall in San Luis Obispo by month

Plan your trip to San Luis Obispo by taking into account the average rainfall totals by month.

Temperature in San Luis Obispo by month

Plan your trip to San Luis Obispo by taking into account the average temperature totals by month.

Reviews of airlines servicing San Luis Obispo

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.

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

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

How can I 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?

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

Traveling to a place near St. Louis?

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Alternative routes for St. Louis to San Luis Obispo

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 April 11, 2025.