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

Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $331. Another option worth looking into is United Airlines, starting at $342 round trip. These flights start at 43% lower than the current average price 3 months from now.

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

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

If weather is an important factor for your trip to St. Louis, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

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

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 177% on the overall cost on flights from San Luis Obispo to St. Louis.

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

Flights from San Luis Obispo to St. Louis lean towards being more expensive in February. Prices are generally better when you fly from San Luis Obispo to St. Louis in November, with the cheapest ticket starting at $331.

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.

Find Cheap Flights from San Luis Obispo to St. Louis

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Cheap flight deals from San Luis Obispo to St. Louis

Popular in	February
Cheapest in	November
Average price	$948

Highest demand for flights based on searches. 17% potential increase in price ($123 potential increase over avg. RT price).

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Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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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, August is the cheapest month in which you can book a flight from San Luis Obispo to St. Louis (average of $311). Flying from San Luis Obispo to St. Louis in March is currently the most expensive (average of $356). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 2% on flights from San Luis Obispo to St. Louis by exploring options for tickets at noon.

Reviews of airlines servicing St. Louis

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

8,925 reviews

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

8,925 reviews

United Airlines

7.4

Good

8,925 reviews

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

10,000 reviews

United Airlines

7.4

Good

8,925 reviews

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

What are the cheapest airlines flying from San Luis Obispo to St. Louis round-trip?
Flying on American Airlines is currently your cheapest option to St. Louis, with prices starting at $331. Another option worth looking into is United Airlines, starting at $342 round trip. These flights start at 43% 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, August is the cheapest month in which you can book a flight from San Luis Obispo to St. Louis (average of $311). Flying from San Luis Obispo to St. Louis in March is currently the most expensive (average of $356). 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.

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$331	Average$492	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$342	Average$636	FlexibilityNo cancel fee	On-time69%

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

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

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Cheap flight deals from San Luis Obispo to St. Louis

Popular in

Cheapest in

Average price

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.

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?

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 August 18, 2025.

Reviews of airlines servicing St. Louis

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.

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?

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

How can I 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?

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

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

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