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

There are many flights that can get you from Region of Ontario to San Luis Obispo in 9h 43m. Fly via United Airlines to get the fastest option. Region of Ontario and San Luis Obispo are separated by a distance of 2435 mi.

In terms of precipitation, rainfall in San Luis Obispo ranges from 0.0 - 4.0 inches per month. December is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit San Luis Obispo when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Luis Obispo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest time of day to fly from ON to SBP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Luis Obispo as you normally would.

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

Most people fly into San Luis Obispo County (SBP) if they book a flight to San Luis Obispo from Ontario. County is conveniently located just 3.3 mi from San Luis Obispo’s city center.

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

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

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

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

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

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

$662+ Cheap Flights from Ontario to San Luis Obispo

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Cheap flight deals from Ontario to San Luis Obispo

Round-trip from	$661 (United Airlines)

From Ontario to San Luis Obispo County

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Best flights from Ontario to San Luis Obispo
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 octobre 30, 2025.

mar. 4/2810:35 amYOW - SBP

2 stops9h 43mUnited Airlines

mer. 4/296:55 pmSBP - YOW

2 stops14h 46mUnited Airlines

Deal found 10/28

$662

Cheapflights Fare Finder

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

Price

OttawaSan Luis Obispo

YOW - SBP

YOWSBP

Ottawa

mar. 4/28

10:35 am-5:18 pm

2 stops9h 43m

San Luis Obispo County

mer. 4/29

6:55 pm-12:41 pm

2 stops14h 46m

$662

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

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.

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 Ontario to San Luis Obispo

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Related info for your journey

What airport do you fly into for flights to San Luis Obispo from Ontario?
Most people fly into San Luis Obispo County (SBP) if they book a flight to San Luis Obispo from Ontario. County is conveniently located just 3.3 mi from San Luis Obispo’s city center.
How long is the flight from Region of Ontario to San Luis Obispo?
There are many flights that can get you from Region of Ontario to San Luis Obispo in 9h 43m. Fly via United Airlines to get the fastest option. Region of Ontario and San Luis Obispo are separated by a distance of 2435 mi.
Can I find deals for flights from Ontario to San Luis Obispo that include hotel bookings?
Yes. In addition to deals on Ontario to San Luis Obispo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Ontario to San Luis Obispo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Luis Obispo.
Can I find deals for business class flights from Ontario to San Luis Obispo?
Yes. Cheapflights offers flight deals from Ontario to San Luis Obispo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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$662+ Cheap flights from Ontario to San Luis Obispo (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 4/28. Fares are subject to change and may not be available on all flights or dates of travel.