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San Luis Obispo

$274+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SBP
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap 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 July 3, 2025.

Round-trip from

$507
(United Airlines)

One-way from

$274
(American Airlines)

Popular in

September

Cheapest in

February

Average price

$602
From Lambert-St Louis to San Luis Obispo County
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One-way flight from Lambert-St Louis to San Luis Obispo County
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Highest demand for flights based on searches. 9% potential increase in price ($51 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This United Airlines deal was found by Cheapflights users on 7/3. 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 7/305:15 amSTL - SBP
2 stops8h 56mUnited Airlines
Sun 8/35:10 amSBP - STL
1 stop5h 36mUnited Airlines
Deal found 7/3$507
This American Airlines deal was found by Cheapflights users on 7/3. 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 7/3012:27 pmSTL - SBP
2 stops12h 08mAmerican Airlines
Sun 8/36:00 amSBP - STL
2 stops9h 06mAmerican Airlines
Deal found 7/3$512
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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.
Wed 7/166:41 amSTL - SBP
1 stop14h 02mAlaska Airlines
Sun 7/207:35 pmSBP - STL
1 stop16h 51mAlaska Airlines
Deal found 7/1$642

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 July 3, 2025.
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

Wed 7/30

5:15 am-12:11 pm

2 stops8h 56m

San Luis Obispo County

Sun 8/3

5:10 am-12:46 pm

1 stop5h 36m

$507

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Wed 7/30

12:27 pm-10:35 pm

2 stops12h 08m

San Luis Obispo County

Sun 8/3

6:00 am-5:06 pm

2 stops9h 06m

$512

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Wed 7/16

6:41 am-6:43 pm

1 stop14h 02m

San Luis Obispo County

Sun 7/20

7:35 pm-2:26 pm

1 stop16h 51m

$642

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Sat 8/2

7:03 am-11:20 am

1 stop6h 17m

$274

St. LouisSan Luis Obispo

STL - SBP

STLSBP

Lambert-St Louis

Sat 8/2

5:41 pm-3:51 pm

3 stops24h 10m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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 $515). 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.

How much does it cost to fly round-trip from St. Louis to San Luis Obispo?

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Comfort

7.8

Food

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    Cheapflights users have booked flights from St. Louis to San Luis Obispo round-trip from $507. Other airlines that can offer you cheap pricing are American Airlines, from $512, and Alaska Airlines, from $642.

  • 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 $515). 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
Morro Bay
Avila Beach
Arroyo Grande
San Simeon

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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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$338Average$502FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$351Average$450FlexibilityNo cancel feeOn-time71%

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