What is the cheapest airline that flies from Ontario to San Luis Obispo County?

Alaska Airlines and United Airlines are the most popular carriers operating from Ontario to San Luis Obispo County

When did momondo last update prices for flights from Ontario Airport to San Luis Obispo County Airport?

Prices for flights from Ontario Airport to San Luis Obispo County Airport are updated daily.

How many operators does momondo search for flights from Ontario Airport to San Luis Obispo County Airport?

There is 1 operator available for flights from Ontario Airport to San Luis Obispo County Airport as of December 2025.

How old do you have to be to fly from Ontario Airport to San Luis Obispo County Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to San Luis Obispo County Airport.

What documentation or ID do you need to fly to San Luis Obispo County Airport?

The necessary travel and health documents for your San Luis Obispo County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$138 Cheap Flights from Ontario to San Luis Obispo in 2025/26

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Find the cheapest flights from Ontario to San Luis Obispo

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

1:53 pm - 7:44 pm

ONT

SBP

5h 51m1 stop

2:21 pm - 5:43 pm

SBP

ONT

3h 22m1 stop

$244United Airlines

Thu, Jan 8 - Sun, Jan 11

6:32 pm - 11:44 pm

ONT

SBP

5h 12m1 stop

6:05 am - 12:17 pm

SBP

ONT

6h 12m1 stop

$249United Airlines

Tue, Jan 6 - Sat, Jan 10

7:00 am - 4:55 pm

ONT

SBP

9h 55m1 stop

6:17 pm - 3:08 pm

SBP

ONT

20h 51m1 stop

$253Alaska Airlines

Sat, Jan 24 - Tue, Jan 27

4:03 pm - 5:37 pm

ONT

SBP

25h 34m1 stop

6:17 pm - 3:08 pm

SBP

ONT

20h 51m1 stop

$254Alaska Airlines

Fri, Jan 30 - Mon, Feb 2

5:59 pm - 4:55 pm

ONT

SBP

22h 56m1 stop

6:17 pm - 3:08 pm

SBP

ONT

20h 51m1 stop

$287Alaska Airlines

Tue, Jan 20 - Tue, Jan 27

6:00 am - 11:47 am

ONT

SBP

5h 47m1 stop

6:05 am - 11:18 am

SBP

ONT

5h 13m1 stop

$299United Airlines

Sun, Jan 18 - Sun, Jan 25

1:53 pm - 7:44 pm

ONT

SBP

5h 51m1 stop

6:05 am - 11:18 am

SBP

ONT

5h 13m1 stop

$309United Airlines

Sat, Jan 10 - Sun, Jan 11

7:08 pm - 6:42 pm

ONT

SBP

23h 34m1 stop

7:34 pm - 11:59 pm

SBP

ONT

28h 25m1 stop

$375Alaska Airlines

Fri, Mar 20 - Sun, Mar 22

7:00 am - 4:55 pm

ONT

SBP

9h 55m1 stop

5:14 pm - 7:16 pm

SBP

ONT

26h 02m2 stops

$379Alaska Airlines

Sat, Jan 24 - Tue, Jan 27

6:39 pm - 11:44 pm

ONT

SBP

5h 05m1 stop

12:30 pm - 12:47 pm

SBP

ONT

24h 17m1 stop

$425United Airlines

Thu, Jan 15 - Fri, Jan 16

Alaska Airlines flights from Ontario to San Luis Obispo

Our best Alaska Airlines deals on Ontario to San Luis Obispo flight tickets

Alaska Airlines

Jan 24

ONT7:00 amOntario

9h 55m

1 stop

SBP4:55 pmSan Luis Obispo County

Jan 27

SBP6:17 pmSan Luis Obispo County

20h 51m

1 stop

ONT3:08 pmOntario

$253

Find similar

Alaska Airlines

Jan 30

ONT4:03 pmOntario

25h 34m

1 stop

SBP5:37 pmSan Luis Obispo County

Feb 2

SBP6:17 pmSan Luis Obispo County

20h 51m

1 stop

ONT3:08 pmOntario

$254

Find similar

Alaska Airlines

Jan 20

ONT5:59 pmOntario

22h 56m

1 stop

SBP4:55 pmSan Luis Obispo County

Jan 27

SBP6:17 pmSan Luis Obispo County

20h 51m

1 stop

ONT3:08 pmOntario

$287

Find similar

United Airlines flights from Ontario to San Luis Obispo

Our best United Airlines deals on Ontario to San Luis Obispo flight tickets

United Airlines

Jan 8

ONT1:53 pmOntario

5h 51m

1 stop

SBP7:44 pmSan Luis Obispo County

Jan 11

SBP2:21 pmSan Luis Obispo County

3h 22m

1 stop

ONT5:43 pmOntario

$244

Find similar

United Airlines

Jan 6

ONT6:32 pmOntario

5h 12m

1 stop

SBP11:44 pmSan Luis Obispo County

Jan 10

SBP6:05 amSan Luis Obispo County

6h 12m

1 stop

ONT12:17 pmOntario

$249

Find similar

United Airlines

Jan 18

ONT6:00 amOntario

5h 47m

1 stop

SBP11:47 amSan Luis Obispo County

Jan 25

SBP6:05 amSan Luis Obispo County

5h 13m

1 stop

ONT11:18 amOntario

$299

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Thu 1/8

1:53 pm-7:44 pm

1 stop5h 51m

San Luis Obispo County

Sun 1/11

2:21 pm-5:43 pm

1 stop3h 22m

$244

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Tue 1/6

6:32 pm-11:44 pm

1 stop5h 12m

San Luis Obispo County

Sat 1/10

6:05 am-12:17 pm

1 stop6h 12m

$249

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Sat 1/24

7:00 am-4:55 pm

1 stop9h 55m

San Luis Obispo County

Tue 1/27

6:17 pm-3:08 pm

1 stop20h 51m

$253

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Fri 1/30

4:03 pm-5:37 pm

1 stop25h 34m

San Luis Obispo County

Mon 2/2

6:17 pm-3:08 pm

1 stop20h 51m

$254

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Tue 1/20

5:59 pm-4:55 pm

1 stop22h 56m

San Luis Obispo County

Tue 1/27

6:17 pm-3:08 pm

1 stop20h 51m

$287

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Sun 1/18

6:00 am-11:47 am

1 stop5h 47m

San Luis Obispo County

Sun 1/25

6:05 am-11:18 am

1 stop5h 13m

$299

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Sat 1/10

1:53 pm-7:44 pm

1 stop5h 51m

San Luis Obispo County

Sun 1/11

6:05 am-11:18 am

1 stop5h 13m

$309

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Fri 3/20

7:08 pm-6:42 pm

1 stop23h 34m

San Luis Obispo County

Sun 3/22

7:34 pm-11:59 pm

1 stop28h 25m

$375

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Sat 1/24

7:00 am-4:55 pm

1 stop9h 55m

San Luis Obispo County

Tue 1/27

5:14 pm-7:16 pm

2 stops26h 02m

$379

OntarioSan Luis Obispo

ONT - SBP

ONTSBP

Ontario

Thu 1/15

6:39 pm-11:44 pm

1 stop5h 05m

San Luis Obispo County

Fri 1/16

12:30 pm-12:47 pm

1 stop24h 17m

$425

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to San Luis Obispo

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to San Luis Obispo?

On average, the least expensive day to fly to San Luis Obispo from Ontario is on a Friday. momondo users have found tickets for Friday departures for as low as $264. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Ontario to San Luis Obispo for around $533.

What is the cheapest time of day to depart on your flight to San Luis Obispo?

Flying to San Luis Obispo from Ontario at noon is the least expensive time of day to depart. momondo users have found prices as low as $269 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $309 on average. Flights to San Luis Obispo from Ontario in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Ontario to San Luis Obispo

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to San Luis Obispo according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Ontario to San Luis Obispo (ONT to SBP) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to San Luis Obispo

Fastest flight time	4h 38m
Direct flights	None

The fastest flight from Ontario to San Luis Obispo takes 4h 38m

There are no direct flights from Ontario to San Luis Obispo. There are no popular flight routes from Ontario to San Luis Obispo.

Search flight deals

How far is Ontario to San Luis Obispo County by plane?
There are 190.5 mi between Ontario and San Luis Obispo County. A reasonable flight in good conditions will take 4h 38m.
When did momondo last update prices for flights from Ontario Airport to San Luis Obispo County Airport?
Prices for flights from Ontario Airport to San Luis Obispo County Airport are updated daily.
How many operators does momondo search for flights from Ontario Airport to San Luis Obispo County Airport?
There is 1 operator available for flights from Ontario Airport to San Luis Obispo County Airport as of December 2025.
How old do you have to be to fly from Ontario Airport to San Luis Obispo County Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario Airport to San Luis Obispo County Airport.
What documentation or ID do you need to fly to San Luis Obispo County Airport?
The necessary travel and health documents for your San Luis Obispo County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Ontario to San Luis Obispo?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Ontario to San Luis Obispo is United Airlines (100% of total bookings).

Best airlines flying from Ontario to San Luis Obispo

Compare and see reviews for airlines that fly from Ontario to San Luis Obispo with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $218	Free Cancellation	Rating 7.4 9,105 reviews		Search United Airlines flights

Pismo Beach

Morro Bay

Paso Robles

Cambria

Avila Beach

San Simeon

Cayucos

Arroyo Grande

Atascadero

Grover Beach

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to San Luis Obispo?

Finding the right flight to San Luis Obispo from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Luis Obispo quick and easy, saving you time and money.

Can I find flights from Ontario to San Luis Obispo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Ontario to San Luis Obispo flights to just show those with flexible booking policies.

How can momondo help me find flights from Ontario to San Luis Obispo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to San Luis Obispo.

I’m not ready to book a flight from Ontario to San Luis Obispo right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Ontario to San Luis Obispo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Luis Obispo and let you know when they change.