$304+ Cheap flights from San Luis Obispo to Ontario (SBP - ONT)
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 12/3. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — ONT
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from San Luis Obispo to Ontario 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 San Luis Obispo to Ontario
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Cheapest flights from San Luis Obispo to OntarioExplore the most affordable flight options available from San Luis Obispo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from San Luis Obispo to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/78:00 am -
1 stop4h 29m
Sun 11/86:00 am -
1 stop5h 58m
Deal found 11/7![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/32:24 pm -
1 stop6h 14m
Sun 12/66:00 am -
1 stop6h 05m
Deal found 11/5![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 11/5. 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 stop6h 29m
Tue 11/249:25 am -
1 stop6h 00m
Deal found 11/5![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/255:00 am -
1 stop7h 42m
Mon 12/286:00 am -
1 stop5h 50m
Deal found 11/9![United Airlines logo]()
$444
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/136:00 am -
1 stop6h 29m
Sun 11/159:25 am -
1 stop6h 00m
Deal found 11/5![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/132:15 pm -
1 stop6h 00m
Tue 11/171:35 pm -
1 stop6h 29m
Deal found 11/9![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/68:00 am -
1 stop4h 29m
Mon 11/94:17 pm -
1 stop5h 58m
Deal found 11/5![United Airlines logo]()
$499
This Gotogate deal was found by Cheapflights users on 11/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:23 am -
1 stop12h 43m
Thu 12/317:00 am -
1 stop12h 53m
Deal found 11/9![Alaska Airlines logo]()
$533
This Expedia deal was found by Cheapflights users on 11/9. 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.
Fri 12/2510:10 am -
2 stops12h 04m
Mon 12/288:59 pm -
1 stop12h 31m
Deal found 11/9![Alaska Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/306:00 am -
1 stop5h 58m
Sat 1/26:00 am -
1 stop5h 50m
Deal found 11/8![United Airlines logo]()
$648
Best flights from San Luis Obispo to OntarioDiscover carefully curated flight deals from San Luis Obispo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from San Luis Obispo to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/5. 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 3/95:15 am -
1 stop7h 27m
Wed 3/171:33 pm -
1 stop6h 11m
Deal found 11/5![United Airlines logo]()
$429
This Gotogate deal was found by Cheapflights users on 11/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:23 am -
1 stop12h 43m
Thu 12/317:00 am -
1 stop12h 53m
Deal found 11/9![Alaska Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/32:24 pm -
1 stop6h 14m
Sun 12/66:00 am -
1 stop6h 05m
Deal found 11/8![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 11/9. 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 1/1912:52 pm -
1 stop8h 08m
Sat 1/307:25 am -
1 stop4h 25m
Deal found 11/9![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/92:24 pm -
1 stop3h 12m
Sun 12/136:00 am -
1 stop6h 05m
Deal found 11/8![United Airlines logo]()
$429
This United Airlines deal was found by Cheapflights users on 11/5. 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 stop6h 29m
Tue 11/249:25 am -
1 stop6h 00m
Deal found 11/5![United Airlines logo]()
$441
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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 12/256:00 am -
2 stops16h 14m
Mon 12/288:46 pm -
2 stops27h 05m
Deal found 11/9![Alaska Airlines logo]()
$844
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/306:00 am -
1 stop5h 58m
Sat 1/26:00 am -
1 stop5h 50m
Deal found 11/8![United Airlines logo]()
$648
Last-minute flights from San Luis Obispo to OntarioDiscover last-minute flight deals from San Luis Obispo to Ontario. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Luis Obispo to Ontario. Data last updated November 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/68:00 am -
1 stop4h 29m
Mon 11/94:17 pm -
1 stop5h 58m
Deal found 11/5![United Airlines logo]()
$499
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/78:00 am -
1 stop4h 29m
Sun 11/86:00 am -
1 stop5h 58m
Deal found 11/7![United Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/136:00 am -
1 stop6h 29m
Sun 11/159:25 am -
1 stop6h 00m
Deal found 11/5![United Airlines logo]()
$479
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/132:15 pm -
1 stop6h 00m
Tue 11/171:35 pm -
1 stop6h 29m
Deal found 11/9![United Airlines logo]()
$489
This United Airlines deal was found by Cheapflights users on 11/5. 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 stop6h 29m
Tue 11/249:25 am -
1 stop6h 00m
Deal found 11/5![United Airlines logo]()
$441
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/32:24 pm -
1 stop6h 14m
Sun 12/66:00 am -
1 stop6h 05m
Deal found 11/5![United Airlines logo]()
$429
This Gotogate deal was found by Cheapflights users on 11/9. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/247:23 am -
1 stop12h 43m
Thu 12/317:00 am -
1 stop12h 53m
Deal found 11/9![Alaska Airlines logo]()
$533
This United Airlines deal was found by Cheapflights users on 11/9. 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 12/255:00 am -
1 stop7h 42m
Mon 12/286:00 am -
1 stop5h 50m
Deal found 11/9![United Airlines logo]()
$444
This Expedia deal was found by Cheapflights users on 11/9. 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.
Fri 12/2510:10 am -
2 stops12h 04m
Mon 12/288:59 pm -
1 stop12h 31m
Deal found 11/9![Alaska Airlines logo]()
$612
This United Airlines deal was found by Cheapflights users on 11/8. 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 12/306:00 am -
1 stop5h 58m
Sat 1/26:00 am -
1 stop5h 50m
Deal found 11/8![United Airlines logo]()
$648
One-way flights from San Luis Obispo to OntarioSearch for one-way flight options from San Luis Obispo to Ontario. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from San Luis Obispo to Ontario. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/6. 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 12/12:24 pm -
1 stop3h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![United Airlines logo]()
$304
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/192:15 pm -
1 stop3h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![United Airlines logo]()
$374
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/216:00 am -
1 stop6h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![United Airlines logo]()
$384
This Alaska Airlines deal was found by Cheapflights users on 11/8. 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 11/196:00 am -
2 stops9h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Alaska Airlines logo]()
$649
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/36:00 am -
2 stops10h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Alaska Airlines logo]()
$788
This Alaska Airlines deal was found by Cheapflights users on 11/9. 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.
Sat 11/216:01 am -
2 stops9h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Alaska Airlines logo]()
$974
Find flight deals from San Luis Obispo to Ontario
Discover tips and strategies to find the most affordable flight options for your journey from San Luis Obispo (SBP) to Ontario (ONT). 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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $429 (United Airlines) |
One-way from | $304 (United Airlines) |
Popular in | April |
Cheapest in | February |
Average price | $397 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Luis Obispo to Ontario 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 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from San Luis Obispo to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Thu 12/3
1:03 pm-9:11 pm
1 stop8h 08m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$304
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Wed 12/9
1:03 pm-9:11 pm
1 stop8h 08m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$304
Quickest round-trip
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Tue 12/1
2:24 pm-5:36 pm
1 stop3h 12m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$304
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Sun 5/9
6:10 am-9:57 am
1 stop3h 47m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$304
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Thu 11/19
2:15 pm-5:56 pm
1 stop3h 41m
Ontario
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$374
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Tue 3/9
5:15 am-12:42 pm
1 stop7h 27m
Ontario
Wed 3/17
1:33 pm-7:44 pm
1 stop6h 11m
$429
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Thu 12/3
2:24 pm-8:38 pm
1 stop6h 14m
Ontario
Sun 12/6
6:00 am-12:05 pm
1 stop6h 05m
$429
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Tue 1/19
12:52 pm-9:00 pm
1 stop8h 08m
Ontario
Sat 1/30
7:25 am-11:50 am
1 stop4h 25m
$429
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Wed 12/9
2:24 pm-5:36 pm
1 stop3h 12m
Ontario
Sun 12/13
6:00 am-12:05 pm
1 stop6h 05m
$429
San Luis ObispoOntario
SBP San Luis Obispo County - ONT Ontario
SBPONT
San Luis Obispo County
Fri 11/20
6:00 am-12:29 pm
1 stop6h 29m
Ontario
Tue 11/24
9:25 am-3:25 pm
1 stop6h 00m
$441
Showing 1-10 of 16 resultsSorted by cheapest first
Compare providers for flights from San Luis Obispo to Ontario
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 San Luis Obispo to Ontario in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Luis Obispo-Ontario flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Luis Obispo-Ontario flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Luis Obispo-Ontario flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Luis Obispo-Ontario 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 San Luis Obispo-Ontario 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 San Luis Obispo to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from San Luis Obispo with our price prediction graph.
SBP-ONT
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.
Related info for your journey
Find useful and relevant information for your journey from San Luis Obispo to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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