ONT to SAN (Ontario to San Diego) Flights

Last Minute Flights from ONT to SAN

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTSan DiegoMay 3 to May 21$422
*Prices include taxes and fees

Cheapest ONT to SAN Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTSan DiegoJune 10 to June 10$258
ONTSan DiegoJune 3 to June 7$262
ONTSan DiegoMay 24 to May 28$292
ONTCarlsbadMay 26 to May 29$379
*Prices include taxes and fees
ONT to SAN Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
San Diego Intl.
Destination airport IATA code
SAN
Distance
94 mi

Frequently asked questions

What airlines fly direct from Ontario Airport to SAN?
No airlines fly straight from Los Angeles - Ontario Intl. Airport (ONT) to San Diego Intl. Airport (SAN). To get to San Diego, book a journey with at least one stop.
How many flights are there from ONT to SAN?
Approximately 37 every day. If you’re in a hurry to head to San Diego, see if you can grab a last-minute deal from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Diego, CA (SAN-San Diego Intl.) and then book it fast!
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Diego, CA (SAN-San Diego Intl.)?
This flight from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Diego, CA (SAN-San Diego Intl.) will take on average 5 hours and 43 minutes. Use the opportunity to begin the novel that’s been lying on your shelf for some time or catch up on some beauty sleep.
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Ontario, CA (ONT-Los Angeles - Ontario Intl.) to San Diego, CA (SAN-San Diego Intl.) is a short-haul trip of 95 miles (150 1). You’ll barely have enough time to settle into your seat before arriving in San Diego.
How many morning flights are there from ONT to SAN?
Early birds — you’ll be delighted to discover that there are 136 morning flights from ONT to SAN every week.

  • If you want to jet off with American Airlines (AA), it operates 35 weekly services that leave before noon. The 6:00AM flight is the first one of the day.
  • Delta Air Lines (DL) is another popular option to consider. This carrier has 28 morning flights, with the earliest departure time being 5:45AM.
  • Book a seat with Alaska Airlines (AS) and you’ll have around 28 morning flights to pick from. The earliest departure time is 6:00AM.

How many afternoon flights are there from ONT to SAN?
With 129 afternoon and evening flights from ONT to SAN every week, you can forget all about hauling yourself out of bed at the crack of dawn.

  • Consider reserving your ticket with American Airlines (AA). It offers 37 flights per week that leave after noon. The earliest of those services is 12:50PM.
  • You can also take your pick of the 37 afternoon and evening flights provided by Delta Air Lines (DL) every week. 12:35PM is the first departure from ONT.
  • Another attractive choice is Frontier Airlines (F9). It provides 28 afternoon and evening flights a week from 12:29PM onward.

What is the earliest departure time out of Ontario to San Diego?
Depart ONT at 12:55AM and land at SAN at 9:15PM. This is the earliest service you can take on this route.
What is the latest departure time out of Ontario to San Diego?
From ONT, the last flight takes off at 11:59PM and comes in for landing at 12:03AM at SAN. If you’re not into early starts, this is the flight to catch.
What is the average price from Ontario to San Diego?
On average, the cheapest price for round-trip flights from ONT to SAN is $258. Pick up your own great bargain by locking in your tickets today. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Ontario to San Diego Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to San Diego to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from ONT to SAN, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Ontario to San Diego, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.