$261+ Cheap flights from Ontario to San Luis Obispo (ONT - 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 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SBP
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Ontario 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
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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 Ontario to San Luis Obispo
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Cheapest flights from Ontario to San Luis ObispoExplore the most affordable flight options available from Ontario to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
Explore the most affordable flight options available from Ontario to San Luis Obispo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 4, 2026.
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:08 am -
1 stop5h 45m
Mon 9/78:00 am -
1 stop4h 12m
Deal found 8/1![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/226:08 am -
1 stop5h 45m
Wed 9/302:15 pm -
1 stop6h 16m
Deal found 8/2![United Airlines logo]()
$302
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/126:08 am -
1 stop5h 45m
Fri 8/212:20 pm -
1 stop3h 51m
Deal found 7/31![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/11:56 pm -
1 stop6h 01m
Sat 9/512:55 pm -
1 stop7h 58m
Deal found 8/3![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 8/279:01 am -
1 stop6h 20m
Sun 8/308:00 am -
1 stop4h 12m
Deal found 8/3![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/195:00 am -
1 stop8h 24m
Sun 8/232:20 pm -
1 stop5h 50m
Deal found 8/4![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/31:56 pm -
1 stop6h 01m
Thu 9/105:00 am -
1 stop7h 50m
Deal found 8/4![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/76:00 am -
1 stop5h 38m
Fri 8/145:00 am -
1 stop7h 50m
Deal found 7/31![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/71:50 pm -
1 stop5h 57m
Sun 8/96:25 am -
1 stop5h 47m
Deal found 7/30![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/44:20 pm -
1 stop5h 52m
Wed 8/128:00 am -
1 stop4h 12m
Deal found 8/4![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/31. 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 7/316:39 pm -
1 stop3h 33m
Mon 8/106:25 am -
1 stop5h 47m
Deal found 7/31![United Airlines logo]()
$419
Best flights from Ontario to San Luis ObispoDiscover carefully curated flight deals from Ontario 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 4, 2026.
Discover carefully curated flight deals from Ontario 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 4, 2026.
This United Airlines deal was found by Cheapflights users on 7/31. 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 11/206:00 am -
1 stop5h 58m
Sun 11/226:00 am -
1 stop6h 29m
Deal found 7/31![United Airlines logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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 8/264:27 pm -
2 stops7h 23m
Sat 8/296:00 am -
2 stops9h 52m
Deal found 8/1![Alaska Airlines logo]()
$420
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/231:52 pm -
1 stop6h 19m
Sun 10/258:00 am -
1 stop4h 29m
Deal found 8/1![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/11:56 pm -
1 stop6h 01m
Sat 9/512:55 pm -
1 stop7h 58m
Deal found 8/3![United Airlines logo]()
$359
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 9/14:27 pm -
2 stops31h 23m
Sat 9/53:24 pm -
2 stops24h 23m
Deal found 8/2![Alaska Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 8/4. 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 10/101:52 pm -
1 stop6h 19m
Sat 10/172:15 pm -
1 stop3h 31m
Deal found 8/4![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 8/271:56 pm -
1 stop6h 01m
Sun 8/302:20 pm -
1 stop5h 41m
Deal found 8/3![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/298:00 am -
1 stop3h 53m
Sat 9/52:20 pm -
1 stop5h 41m
Deal found 7/31![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 8/245:00 am -
1 stop8h 24m
Sat 9/58:00 am -
1 stop4h 12m
Deal found 8/2![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2211:00 am -
1 stop6h 45m
Sun 8/232:20 pm -
1 stop5h 50m
Deal found 8/1![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/195:00 am -
1 stop8h 24m
Sun 8/232:20 pm -
1 stop5h 50m
Deal found 8/4![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/31:56 pm -
1 stop6h 01m
Thu 9/105:00 am -
1 stop7h 50m
Deal found 8/4![United Airlines logo]()
$394
Last-minute flights from Ontario to San Luis ObispoDiscover last-minute flight deals from Ontario to San Luis Obispo. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Ontario to San Luis Obispo. Data last updated August 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/44:20 pm -
1 stop5h 52m
Wed 8/128:00 am -
1 stop4h 12m
Deal found 8/4![United Airlines logo]()
$418
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/41:18 pm -
1 stop7h 32m
Sun 8/97:04 pm -
1 stop5h 23m
Deal found 7/31![United Airlines logo]()
$419
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/76:00 am -
1 stop5h 38m
Fri 8/145:00 am -
1 stop7h 50m
Deal found 7/31![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/71:50 pm -
1 stop5h 57m
Sun 8/96:25 am -
1 stop5h 47m
Deal found 7/30![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 7/31. 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 8/126:08 am -
1 stop5h 45m
Fri 8/212:20 pm -
1 stop3h 51m
Deal found 7/31![United Airlines logo]()
$314
This United Airlines deal was found by Cheapflights users on 8/4. 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 8/195:00 am -
1 stop8h 24m
Sun 8/232:20 pm -
1 stop5h 50m
Deal found 8/4![United Airlines logo]()
$389
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Thu 8/279:01 am -
1 stop6h 20m
Sun 8/308:00 am -
1 stop4h 12m
Deal found 8/3![United Airlines logo]()
$361
This United Airlines deal was found by Cheapflights users on 8/3. 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.
Tue 9/11:56 pm -
1 stop6h 01m
Sat 9/512:55 pm -
1 stop7h 58m
Deal found 8/3![United Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 8/4. 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 9/31:56 pm -
1 stop6h 01m
Thu 9/105:00 am -
1 stop7h 50m
Deal found 8/4![United Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:08 am -
1 stop5h 45m
Mon 9/78:00 am -
1 stop4h 12m
Deal found 8/1![United Airlines logo]()
$289
This United Airlines deal was found by Cheapflights users on 8/2. 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 9/226:08 am -
1 stop5h 45m
Wed 9/302:15 pm -
1 stop6h 16m
Deal found 8/2![United Airlines logo]()
$302
One-way flights from Ontario to San Luis ObispoSearch for one-way flight options from Ontario to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Ontario to San Luis Obispo. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 9/184:27 pm -
2 stops31h 23m
Deal found 8/4![Alaska Airlines logo]()
$261
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/238:50 am -
1 stop6h 31m
Deal found 7/31![United Airlines logo]()
$269
This Booking.com deal was found by Cheapflights users on 8/1. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/275:45 pm -
2 stops20h 01m
Deal found 8/1![Alaska Airlines logo]()
$281
This SmartFares deal was found by Cheapflights users on 8/2. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:47 am -
1 stop6h 07m
Deal found 8/2![Alaska Airlines logo]()
$282
This Alaska Airlines deal was found by Cheapflights users on 8/1. 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.
Thu 10/14:27 pm -
2 stops7h 23m
Deal found 8/1![Alaska Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 8/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1511:00 am -
1 stop6h 45m
Deal found 8/1![United Airlines logo]()
$309
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
Sun 8/234:27 pm -
2 stops31h 23m
Deal found 7/31![Alaska Airlines logo]()
$331
This United Airlines deal was found by Cheapflights users on 8/2. 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 8/111:56 pm -
1 stop6h 01m
Deal found 8/2![United Airlines logo]()
$354
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:27 pm -
2 stops7h 23m
Deal found 8/3![Alaska Airlines logo]()
$462
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/154:18 pm -
2 stops7h 22m
Deal found 8/1![Alaska Airlines logo]()
$489
This Priceline deal was found by Cheapflights users on 8/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/194:27 pm -
2 stops7h 23m
Deal found 8/4![Alaska Airlines logo]()
$494
This Alaska Airlines deal was found by Cheapflights users on 8/2. 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 8/114:18 pm -
2 stops7h 22m
Deal found 8/2![Alaska Airlines logo]()
$784
Find flight deals from Ontario to San Luis Obispo
Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) 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 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (United Airlines) |
One-way from | $261 (Alaska Airlines) |
Popular in | April |
Cheapest in | December |
Average price | $298 |
Cheapflights Fare Finder
Customize your flight search to find flights from Ontario 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 4, 2026.
Use the filters below to find and compare flights from Ontario to San Luis Obispo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Fri 11/20
6:00 am-11:58 am
1 stop5h 58m
San Luis Obispo County
Sun 11/22
6:00 am-12:29 pm
1 stop6h 29m
$359
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Fri 10/23
1:52 pm-8:11 pm
1 stop6h 19m
San Luis Obispo County
Sun 10/25
8:00 am-12:29 pm
1 stop4h 29m
$359
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Tue 9/1
1:56 pm-7:57 pm
1 stop6h 01m
San Luis Obispo County
Sat 9/5
12:55 pm-8:53 pm
1 stop7h 58m
$359
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Sat 10/10
1:52 pm-8:11 pm
1 stop6h 19m
San Luis Obispo County
Sat 10/17
2:15 pm-5:46 pm
1 stop3h 31m
$359
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Thu 8/27
1:56 pm-7:57 pm
1 stop6h 01m
San Luis Obispo County
Sun 8/30
2:20 pm-8:01 pm
1 stop5h 41m
$359
Quickest round-trip
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Sat 8/29
8:00 am-11:53 am
1 stop3h 53m
San Luis Obispo County
Sat 9/5
2:20 pm-8:01 pm
1 stop5h 41m
$359
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Mon 8/24
5:00 am-1:24 pm
1 stop8h 24m
San Luis Obispo County
Sat 9/5
8:00 am-12:12 pm
1 stop4h 12m
$359
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Sat 8/22
11:00 am-5:45 pm
1 stop6h 45m
San Luis Obispo County
Sun 8/23
2:20 pm-8:10 pm
1 stop5h 50m
$361
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Wed 8/19
5:00 am-1:24 pm
1 stop8h 24m
San Luis Obispo County
Sun 8/23
2:20 pm-8:10 pm
1 stop5h 50m
$389
OntarioSan Luis Obispo
ONT - SBP
ONTSBP
Ontario
Thu 9/3
1:56 pm-7:57 pm
1 stop6h 01m
San Luis Obispo County
Thu 9/10
5:00 am-12:50 pm
1 stop7h 50m
$394
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Ontario 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 Ontario 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 Ontario-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 Ontario-San Luis Obispo flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-San Luis Obispo flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Ontario-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 Ontario-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 Ontario to San Luis Obispo
Have a flexible travel schedule? Discover the best time to fly to San Luis Obispo from Ontario with our price prediction graph.
ONT-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 4, 2026.
Peruse reviews from past customers who have flown with United Airlines from Ontario to San Luis Obispo to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.6
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Comfort
7.3
Overall
7.4
Crew
8.1
Food
6.6
Boarding
7.7
Entertainment
7.1
Reviews
1 / 20
4.0
OkaySimon,Jun 2024
LAS - LAX
Related info for your journey
Find useful and relevant information for your journey from Ontario 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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Ontario and San Luis Obispo flights
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Top airline flying from Ontario to San Luis Obispo
Discover the top airline that operate flights from Ontario 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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$239 | Average$368 | FlexibilityNo cancel fee | On-time69% |