$293+ 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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — SBP
Apr 23 — Apr 301
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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
Cheapest
Best
Last-minute
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 March 24, 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 March 24, 2026.
This American Airlines deal was found by Cheapflights users on 3/22. 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 5/67:12 am
STL
- SBP
1 stop6h 58m
American Airlines
Wed 5/134:32 pm
SBP
- STL
1 stop5h 40m
American Airlines
Deal found 3/22![American Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Fri 5/82:35 pm
STL
- SBP
1 stop8h 41m
United Airlines
Sun 5/108:42 pm
SBP
- STL
1 stop7h 05m
United Airlines
Deal found 3/20![United Airlines logo]()
$369
This United Airlines deal was found by Cheapflights users on 3/21. 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 10/15:20 am
STL
- SBP
2 stops8h 21m
United Airlines
Mon 10/58:28 pm
SBP
- STL
2 stops10h 09m
United Airlines
Deal found 3/21![United Airlines logo]()
$430
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/284:48 pm
STL
- SBP
2 stops8h 56m
United Airlines
Tue 6/26:00 am
SBP
- STL
2 stops8h 33m
United Airlines
Deal found 3/20![United Airlines logo]()
$437
This American Airlines deal was found by Cheapflights users on 3/20. 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 6/108:00 am
STL
- SBP
1 stop5h 47m
American Airlines
Tue 6/166:52 pm
SBP
- STL
2 stops11h 41m
American Airlines
Deal found 3/20![American Airlines logo]()
$444
This American Airlines deal was found by Cheapflights users on 3/20. 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 5/82:12 pm
STL
- SBP
2 stops9h 58m
American Airlines
Sun 5/107:02 pm
SBP
- STL
2 stops11h 25m
American Airlines
Deal found 3/20![American Airlines logo]()
$449
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 10/276:41 am
STL
- SBP
2 stops18h 33m
Alaska Airlines
Sat 10/3111:40 am
SBP
- STL
1 stop10h 19m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$451
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Tue 10/274:30 pm
STL
- SBP
1 stop6h 54m
United Airlines
Sat 10/315:15 am
SBP
- STL
1 stop5h 28m
United Airlines
Deal found 3/19![United Airlines logo]()
$469
This Expedia deal was found by Cheapflights users on 3/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/87:41 pm
STL
- SBP
1 stop21h 53m
Alaska Airlines
Fri 6/125:20 pm
SBP
- STL
1 stop21h 13m
Alaska Airlines
Deal found 3/20![Alaska Airlines logo]()
$489
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 March 24, 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 March 24, 2026.
This United Airlines deal was found by Cheapflights users on 3/20. 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.
Fri 5/82:35 pm
STL
- SBP
1 stop8h 41m
United Airlines
Sun 5/108:42 pm
SBP
- STL
1 stop7h 05m
United Airlines
Deal found 3/20![United Airlines logo]()
$369
This Orbitz deal was found by Cheapflights users on 3/19. 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.
Sun 8/306:20 pm
STL
- SBP
2 stops22h 46m
Alaska Airlines
Thu 9/37:35 pm
SBP
- STL
1 stop16h 51m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$451
This American Airlines deal was found by Cheapflights users on 3/21. 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 5/215:29 am
STL
- SBP
1 stop8h 32m
American Airlines
Tue 5/266:52 pm
SBP
- STL
2 stops11h 59m
American Airlines
Deal found 3/21![American Airlines logo]()
$539
This United Airlines deal was found by Cheapflights users on 3/20. 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 5/284:48 pm
STL
- SBP
2 stops8h 56m
United Airlines
Tue 6/26:00 am
SBP
- STL
2 stops8h 33m
United Airlines
Deal found 3/20![United Airlines logo]()
$437
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 5/68:00 am
STL
- SBP
2 stops16h 18m
Alaska Airlines
Wed 5/137:27 pm
SBP
- STL
2 stops11h 27m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$529
This American Airlines deal was found by Cheapflights users on 3/23. 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 5/227:20 pm
STL
- SBP
1 stop18h 41m
American Airlines
Mon 5/256:52 pm
SBP
- STL
2 stops11h 41m
American Airlines
Deal found 3/23![American Airlines logo]()
$552
This United Airlines deal was found by Cheapflights users on 3/21. 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 5/215:10 am
STL
- SBP
2 stops8h 28m
United Airlines
Tue 5/267:04 pm
SBP
- STL
2 stops11h 37m
United Airlines
Deal found 3/21![United Airlines logo]()
$550
This Expedia deal was found by Cheapflights users on 3/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/215:33 pm
STL
- SBP
1 stop25h 25m
Alaska Airlines
Tue 5/267:27 pm
SBP
- STL
1 stop17h 49m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$554
Last-minute flights from St. Louis to San Luis ObispoDiscover last-minute flight deals from St. Louis to San Luis Obispo. Data last updated March 24, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to San Luis Obispo. Data last updated March 24, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 3/20. 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.
Sat 3/287:03 am
STL
- SBP
1 stop6h 59m
American Airlines
Sat 4/47:10 pm
SBP
- STL
2 stops11h 25m
American Airlines
Deal found 3/20![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 3/22. 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 4/12:31 pm
STL
- SBP
1 stop6h 09m
American Airlines
Sat 4/47:10 pm
SBP
- STL
2 stops11h 25m
American Airlines
Deal found 3/22![American Airlines logo]()
$514
This Alaska Airlines deal was found by Cheapflights users on 3/22. 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 4/17:00 am
STL
- SBP
1 stop13h 42m
Alaska Airlines
Sat 4/47:34 pm
SBP
- STL
1 stop17h 46m
Alaska Airlines
Deal found 3/22![Alaska Airlines logo]()
$544
This American Airlines deal was found by Cheapflights users on 3/19. 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 4/35:12 am
STL
- SBP
1 stop8h 50m
American Airlines
Tue 4/712:55 pm
SBP
- STL
1 stop8h 04m
American Airlines
Deal found 3/19![American Airlines logo]()
$559
This United Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 4/37:05 pm
STL
- SBP
1 stop6h 54m
United Airlines
Tue 4/76:05 am
SBP
- STL
2 stops13h 08m
United Airlines
Deal found 3/19![United Airlines logo]()
$561
This Alaska Airlines deal was found by Cheapflights users on 3/19. 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.
Fri 4/32:31 pm
STL
- SBP
2 stops30h 11m
Alaska Airlines
Tue 4/77:34 pm
SBP
- STL
2 stops14h 03m
Alaska Airlines
Deal found 3/19![Alaska Airlines logo]()
$609
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 March 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (American Airlines) |
Popular in | March |
Cheapest in | July |
Average price | $883 |
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 March 24, 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
Quickest round-trip
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Fri 5/8
2:35 pm-9:16 pm
1 stop8h 41m
San Luis Obispo County
Sun 5/10
8:42 pm-5:47 am
1 stop7h 05m
$369
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Thu 5/28
4:48 pm-11:44 pm
2 stops8h 56m
San Luis Obispo County
Tue 6/2
6:00 am-4:33 pm
2 stops8h 33m
$437
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Sun 8/30
6:20 pm-3:06 pm
2 stops22h 46m
San Luis Obispo County
Thu 9/3
7:35 pm-2:26 pm
1 stop16h 51m
$451
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Wed 5/6
8:00 am-10:18 pm
2 stops16h 18m
San Luis Obispo County
Wed 5/13
7:27 pm-8:54 am
2 stops11h 27m
$529
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Thu 5/21
5:29 am-12:01 pm
1 stop8h 32m
San Luis Obispo County
Tue 5/26
6:52 pm-8:51 am
2 stops11h 59m
$539
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Thu 5/21
5:10 am-11:38 am
2 stops8h 28m
San Luis Obispo County
Tue 5/26
7:04 pm-8:41 am
2 stops11h 37m
$550
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Fri 5/22
7:20 pm-12:01 pm
1 stop18h 41m
San Luis Obispo County
Mon 5/25
6:52 pm-8:33 am
2 stops11h 41m
$552
St. LouisSan Luis Obispo
STL - SBP
STLSBP
Lambert-St Louis
Thu 5/21
5:33 pm-4:58 pm
1 stop25h 25m
San Luis Obispo County
Tue 5/26
7:27 pm-3:16 pm
1 stop17h 49m
$554
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 March.
| 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.
Cheapflights Insights
Everything you need to know about your flight 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 March 24, 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.
Crew
8.1
Comfort
7.3
Food
6.6
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Crew
8.1
Comfort
7.3
Food
6.6
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
Crew
8.1
Comfort
7.3
Food
6.6
Overall
7.4
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
FRA - SFO
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 locationsMorro Bay
Cambria
Arroyo Grande
Avila Beach
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from St. Louis
Popular flights
San Luis Obispo flight routes
Alternative routes for St. Louis to San Luis Obispo
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Luis Obispo by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from St. Louis to San Luis Obispo by cabin class
Find flights from St. Louis to San Luis Obispo, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and San Luis Obispo flights
Browse other St. Louis and San Luis Obispo flight options. Last updated on March 24, 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 March 24, 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 March 24, 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 March 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$422 | Average$512 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$439 | Average$656 | FlexibilityNo cancel fee | On-time69% |