HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ontario

$644+ Cheap flights from San Luis Obispo (SBP) to Ontario

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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SBP — YYZ
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

Keep the following information in mind while searching for San Luis Obispo to Ontario flight deals. Data was last updated October 30, 2025.

Round-trip from

$644
(Alaska Airlines)
From San Luis Obispo County to Ontario
Search Deals

Find flight deals from San Luis Obispo to Ontario

Cheapest flights from San Luis Obispo to Ontario
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 October 30, 2025.

This American Airlines deal was found by Cheapflights users on 10/29. 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 10/316:05 amSBP - YYZ
2 stops14h 54mAmerican Airlines
Sun 11/25:10 amYYZ - SBP
1 stop8h 33mAmerican Airlines
Deal found 10/29$1,092
This United Airlines deal was found by Cheapflights users on 10/29. 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 10/312:16 pmSBP - YYZ
1 stop14h 14mUnited Airlines
Sun 11/25:30 amYYZ - SBP
1 stop14h 05mUnited Airlines
Deal found 10/29$1,201

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 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from San Luis Obispo to Ontario that are best for you.

Fly from

San Luis Obispo

Fly to

Ontario

Route

Depart

Return

Price

San Luis ObispoToronto

SBP - YYZ

SBPYYZ

San Luis Obispo County

Mon 3/9

7:25 pm-3:35 pm

1 stop17h 10m

Toronto Pearson Intl

Wed 3/11

4:45 pm-6:22 pm

1 stop28h 37m

$644

San Luis ObispoToronto

SBP - YYZ

SBPYYZ

San Luis Obispo County

Mon 3/9

2:18 pm-4:39 pm

2 stops23h 21m

Toronto Pearson Intl

Wed 3/11

9:00 am-11:59 pm

2 stops17h 59m

$739

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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.
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 San Luis Obispo to Ontario
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated October 30, 2025.
See what other customers who have flown with United Airlines from San Luis Obispo to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What airport do you fly from for flights from San Luis Obispo to Ontario?

    If you book a flight to Ontario from San Luis Obispo, you will be flying from County, which is the city’s only airport. San Luis Obispo County (SBP) is located 3.3 mi from the center of San Luis Obispo.

  • How long is the flight from San Luis Obispo to Region of Ontario?

    There are many flights that can get you from San Luis Obispo to Region of Ontario in 17h 10m. Fly via Alaska Airlines or United Airlines to get the fastest option. San Luis Obispo and Region of Ontario are separated by a distance of 2239 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from San Luis Obispo to Ontario that include hotel bookings?

    Yes. In addition to deals on San Luis Obispo to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Luis Obispo to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Luis Obispo to Ontario.

  • Can I find deals for business class flights from San Luis Obispo to Ontario?

    Yes. Cheapflights offers flight deals from San Luis Obispo to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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 for San Luis Obispo to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Vancouver Intl flights
Los Angeles to Vancouver Intl flights
Los Angeles to Pearson Intl flights
San Francisco to Pearson Intl flights
Ontario to Vancouver Intl flights
San Francisco to Abbotsford flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Los Angeles to Calgary flights
Los Angeles to Abbotsford flights
Santa Ana to Vancouver Intl flights
San Diego to Vancouver Intl flights
San Francisco to Calgary flights
Los Angeles to Toronto Island flights
San Francisco to Pierre Elliott Trudeau Intl flights
Sacramento to Vancouver Intl flights
Ontario to Pearson Intl flights
San Francisco to Toronto Island flights
San Diego to Pearson Intl flights
Palm Springs to Vancouver Intl flights
San Jose to Vancouver Intl flights
Burbank to Vancouver Intl flights
Las Vegas to Vancouver Intl flights
Las Vegas to Pearson Intl flights
Oakland to Vancouver Intl flights
Santa Ana to Pearson Intl flights
Ontario to Calgary flights
Los Angeles to Edmonton flights
Las Vegas to Calgary flights
Santa Ana to Calgary flights
San Diego to Abbotsford flights
San Jose to Pearson Intl flights
San Diego to Calgary flights
Sacramento to Pearson Intl flights
San Francisco to Edmonton flights
Los Angeles to Québec City flights
San Diego to Toronto Island flights
Burbank to Pearson Intl flights
Ontario to Pierre Elliott Trudeau Intl flights
San Francisco to Hamilton flights
Oakland to Pearson Intl flights
San Diego to Pierre Elliott Trudeau Intl flights
Los Angeles to Hamilton flights
Los Angeles to Region of Waterloo Intl flights
Las Vegas to Abbotsford flights
Los Angeles to Ottawa flights
Palm Springs to Pearson Intl flights
Palm Springs to Calgary flights
San Francisco to Region of Waterloo Intl flights
Sacramento to Abbotsford flights
San Francisco to Québec City flights

Top airline flying from San Luis Obispo to Ontario

Discover the top airline that operate flights from San Luis Obispo to Ontario. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$653Average$882FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.