$321+ 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SBP
Sep 14 — Sep 211
Round-trip
1 adult, Economy
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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
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Best
Last-minute
One-way
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 August 15, 2026.
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 August 15, 2026.
This American Airlines deal was found by Cheapflights users on 8/10. 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 10/76:32 am -
1 stop7h 16m
Mon 10/1212:38 pm -
1 stop9h 04m
Deal found 8/10![American Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/167:00 am -
1 stop6h 41m
Sun 9/201:00 pm -
2 stops8h 43m
Deal found 8/13![American Airlines logo]()
$364
This United Airlines deal was found by Cheapflights users on 8/13. 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 10/215:10 am -
2 stops8h 52m
Sat 10/245:00 am -
2 stops8h 43m
Deal found 8/13![United Airlines logo]()
$369
This Orbitz deal was found by Cheapflights users on 8/12. 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.
Thu 9/243:19 pm -
1 stop20h 19m
Sun 9/277:33 am -
1 stop7h 37m
Deal found 8/12![Alaska Airlines logo]()
$394
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/238:30 am -
2 stops12h 04m
Mon 9/281:00 pm -
2 stops9h 27m
Deal found 8/12![American Airlines logo]()
$404
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 8/276:08 pm -
1 stop24h 46m
Mon 8/315:34 pm -
1 stop21h 36m
Deal found 8/12![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/279:00 am -
2 stops12h 47m
Mon 8/315:00 am -
1 stop5h 40m
Deal found 8/12![United Airlines logo]()
$434
This Alaska Airlines deal was found by Cheapflights users on 8/13. 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 10/76:04 am -
2 stops12h 43m
Mon 10/125:27 pm -
2 stops28h 19m
Deal found 8/13![Alaska Airlines logo]()
$470
Best flights from St. Louis to San Luis ObispoDiscover 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 August 15, 2026.
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 August 15, 2026.
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/164:40 pm -
1 stop6h 15m
Sun 9/207:55 am -
1 stop8h 04m
Deal found 8/13![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/13. 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.
Fri 8/285:42 am -
1 stop7h 57m
Tue 9/112:29 pm -
1 stop9h 13m
Deal found 8/13![American Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/279:00 am -
2 stops12h 47m
Mon 8/315:00 am -
1 stop5h 40m
Deal found 8/12![United Airlines logo]()
$434
This American Airlines deal was found by Cheapflights users on 8/10. 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 10/75:40 am -
1 stop8h 08m
Mon 10/1212:52 pm -
2 stops8h 50m
Deal found 8/10![American Airlines logo]()
$457
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/296:00 am -
2 stops9h 24m
Wed 9/25:00 am -
2 stops10h 06m
Deal found 8/14![United Airlines logo]()
$439
This United Airlines deal was found by Cheapflights users on 8/14. 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 1/94:30 pm -
1 stop6h 54m
Wed 1/1312:45 pm -
1 stop6h 14m
Deal found 8/14![United Airlines logo]()
$459
Last-minute flights from St. Louis to San Luis ObispoDiscover last-minute flight deals from St. Louis to San Luis Obispo. Data last updated August 15, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Luis Obispo. Data last updated August 15, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/13. 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 8/208:42 am -
1 stop8h 39m
Sun 8/238:00 am -
1 stop7h 59m
Deal found 8/13![United Airlines logo]()
$519
This Alaska Airlines deal was found by Cheapflights users on 8/12. 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.
Thu 8/276:08 pm -
1 stop24h 46m
Mon 8/315:34 pm -
1 stop21h 36m
Deal found 8/12![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/12. 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 8/279:00 am -
2 stops12h 47m
Mon 8/315:00 am -
1 stop5h 40m
Deal found 8/12![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 8/13. 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 9/164:40 pm -
1 stop6h 15m
Sun 9/207:55 am -
1 stop8h 04m
Deal found 8/13![United Airlines logo]()
$359
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/167:00 am -
1 stop6h 41m
Sun 9/201:00 pm -
2 stops8h 43m
Deal found 8/13![American Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 8/12. 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 9/238:30 am -
2 stops12h 04m
Mon 9/281:00 pm -
2 stops9h 27m
Deal found 8/12![American Airlines logo]()
$404
This Orbitz deal was found by Cheapflights users on 8/12. 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.
Thu 9/243:19 pm -
1 stop20h 19m
Sun 9/277:33 am -
1 stop7h 37m
Deal found 8/12![Alaska Airlines logo]()
$394
One-way flights from St. Louis to San Luis ObispoSearch for one-way flight options from St. Louis to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
Search for one-way flight options from St. Louis to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated August 15, 2026.
This Travelocity deal was found by Cheapflights users on 8/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1010:14 am -
2 stops25h 24m
Deal found 8/11![Alaska Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/102:30 pm -
1 stop5h 50m
Deal found 8/11![American Airlines logo]()
$379
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:17 pm -
3 stops47h 21m
Deal found 8/11![Multiple Airlines logo]()
$613
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 August 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $321 (Travelocity) |
Popular in | March |
Cheapest in | May |
Average price | $483 |
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 August 15, 2026.
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
Cheapest round-trip
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Wed 9/16
4:40 pm-8:55 pm
1 stop6h 15m
San Luis Obispo County
Sun 9/20
7:55 am-5:59 pm
1 stop8h 04m
$359
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Fri 8/28
5:42 am-11:39 am
1 stop7h 57m
San Luis Obispo County
Tue 9/1
12:29 pm-11:42 pm
1 stop9h 13m
$429
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Thu 8/27
9:00 am-7:47 pm
2 stops12h 47m
San Luis Obispo County
Mon 8/31
5:00 am-12:40 pm
1 stop5h 40m
$434
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Sat 8/29
6:00 am-1:24 pm
2 stops9h 24m
San Luis Obispo County
Wed 9/2
5:00 am-5:06 pm
2 stops10h 06m
$439
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Wed 10/7
5:40 am-11:48 am
1 stop8h 08m
San Luis Obispo County
Mon 10/12
12:52 pm-11:42 pm
2 stops8h 50m
$457
Quickest round-trip
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Sat 1/9
4:30 pm-9:24 pm
1 stop6h 54m
San Luis Obispo County
Wed 1/13
12:45 pm-8:59 pm
1 stop6h 14m
$459
Cheapest one-way
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Thu 9/10
10:14 am-9:38 am
2 stops25h 24m
$321
Quickest one-way
St. LouisSan Luis Obispo
STL Lambert-St Louis - SBP San Luis Obispo County
STLSBP
Lambert-St Louis
Thu 9/10
2:30 pm-6:20 pm
1 stop5h 50m
$379
Sorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
STL-SBP
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.
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 August 15, 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.
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Entertainment
7.1
Boarding
7.7
Crew
8.1
Overall
7.4
Comfort
7.3
Food
6.7
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
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.
Traveling to a place near San Luis Obispo?
Book flights to San Luis Obispo if you plan to visit one of these locationsCambria
Morro Bay
Arroyo Grande
San Simeon
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Complete your trip
Complete your trip to San Luis Obispo by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and San Luis Obispo flights
Browse other St. Louis and San Luis Obispo flight options. Last updated on August 15, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Luis Obispo
Explore flights to San Luis Obispo departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 15, 2026.
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 August 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$348 | Average$595 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$348 | Average$506 | FlexibilityNo cancel fee | On-time71% |