Airlines operating on route
Starting at $59
Helping travelers to find the best flight offers
Starting at $59
Los Angeles — San Diego
06/25/2025
Departure date
Direct flight
UA5612
Starting at $381
Los Angeles — San Diego
06/27/2025
Departure date
Direct flight
UA5612
Starting at $371
Los Angeles — San Diego
07/10/2025
Departure date
Direct flight
UA4643
Starting at $295
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Ontario to San Diego:
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Ontario to San Diego. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A direct flight is the most convenient and comfortable way to fly from Ontario to San Diego, despite the fact that sometimes flights with transfers can cost significantly less.
Unable to find information about the schedule of direct flights from
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Ontario to San Diego
The cheapest flight ticket from Ontario to San Diego according to data for the last 48 hours costs $59
Often the best time to buy tickets from Ontario to San Diego is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Ontario to San Diego can be found flying in these months: June, July.
The fastest flights from Ontario to San Diego start from 3 hours 46 minutes in the air.
The following airlines operate direct flights on the route Ontario — San Diego: United Airlines
Below you will find a list of airlines operating flights on the Ontario — San Diego route and the starting prices for flights of each specific airline on it.
The cheapest one-way flight from Ontario to San Diego departs on 07/11/2025, is operated by Spirit Airlines and costs $59
There is no information about the cheapest roundtrip flight from Ontario to San Diego
Fastest flight from Ontario to San Diego takes 3h 46m
There are no direct flights on this route.
The distance between Ontario and San Diego is 155km (96 miles). Ontario and San Diego are in the same time zone.
We couldn't find any special offers for flights from Ontario to San Diego
