Cheap flights from San Diego (SAN) to Ontario from $150
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/30. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
How far in advance should I book a flight from San Diego to Region of Ontario?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 41 days in advance, which can save you up to 156% on flights from San Diego to Region of Ontario compared to booking the week you need them. Waiting 41 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $460. For sooner than that we have options available in the next 3 days from $544.
What is the cheapest month to fly from San Diego to Region of Ontario?
Flights from San Diego to Region of Ontario lean towards being more expensive in December. Prices are generally better when you fly from San Diego to Region of Ontario in April, with the cheapest ticket starting at $253.
When is the cheapest time to fly from San Diego to Region of Ontario (SAN - ON)?
When flying from San Diego to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap Sun Country Air flights from San Diego to Ontario
Explore cheap flight options specifically provided by Sun Country Air for the route between San Diego and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Take a look at some of the lowest-priced Sun Country Air flights heading from San Diego to Ontario. Make sure to double check the flight details before booking.
Cheap WestJet flights from San Diego to Ontario
Explore cheap flight options specifically provided by WestJet for the route between San Diego and Ontario. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Take a gander at the lowest prices we've found on WestJet flights from San Diego to Ontario. Deals frequently update to provide users with more options.
Cheap San Diego to Ontario flights in May & June 2024
Find cheap flight options from San Diego to Ontario specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,659,571 searches. Prices were last updated on May 12, 2024.
Listed are some of the best fares we've found on flights departing from San Diego to Ontario in 2024. Check back regularly for other flight deals.
San Diego to Ontario 2024 flight deals
Discover exclusive flight deals for travel between San Diego and Ontario in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Listed are some of the best fares we've found on flights departing from San Diego to Ontario in 2024. Check back regularly for other flight deals.
Non-stop flights to Ontario from San Diego
Discover non-stop flight options from San Diego to Ontario. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
For a quicker trip, book one of these direct flights from San Diego to Ontario. Users seeking other options on flights from San Diego to Ontario should update the search form at the top of the page.
San Diego to Ontario flights leaving soon
Find last-minute flight options from San Diego to Ontario for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Have a look at some of the flights available from San Diego to Ontario departing last-minute. It's wise to confirm all flight details are correct before booking.
One-way flights to Ontario from San Diego
Search for one-way flight options from San Diego to Ontario. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,659,571 searches. Data last updated May 12, 2024.
Some of the best available deals we've found on one-way flights from San Diego to Ontario. For those needing a return trip from San Diego, there is a search form available above.
Find flights from San Diego to Ontario within your budget
Customize your flight search to find flights from San Diego 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 2,659,571 searches. Data last updated May 12, 2024.
Fly from
Fly to
Budget
$256 - $535
Route
Depart
Return
Price
San DiegoToronto Pearson Intl
SAN - YYZ
SANYYZ
San Diego
Thu 6/6
2 stops15h 38m
Toronto Pearson Intl
Sun 6/9
1 stop16h 00m
San DiegoToronto Pearson Intl
SAN - YYZ
SANYYZ
San Diego
Wed 6/5
2 stops18h 59m
Toronto Pearson Intl
Sun 6/9
1 stop16h 00m
San DiegoToronto Pearson Intl
SAN - YYZ
SANYYZ
San Diego
Sat 6/8
2 stops20h 35m
Toronto Pearson Intl
Sun 6/9
1 stop16h 00m
San DiegoToronto Pearson Intl
SAN - YYZ
SANYYZ
San Diego
Mon 5/27
1 stop24h 00m
Toronto Pearson Intl
Sun 6/2
1 stop12h 57m
San DiegoMontreal Pierre Elliott Trudeau Intl
SAN - YUL
SANYUL
San Diego
Wed 5/29
Nonstop5h 34m
Montreal Pierre Elliott Trudeau Intl
Wed 6/5
Nonstop6h 03m
San DiegoToronto Pearson Intl
SAN - YYZ
SANYYZ
San Diego
Mon 8/5
1 stop8h 41m
Toronto Pearson Intl
Sun 8/11
1 stop19h 18m
San DiegoMontreal Pierre Elliott Trudeau Intl
SAN - YUL
SANYUL
San Diego
Thu 5/30
1 stop10h 06m
Montreal Pierre Elliott Trudeau Intl
Mon 6/3
1 stop12h 44m
San DiegoMontreal Pierre Elliott Trudeau Intl
SAN - YUL
SANYUL
San Diego
Mon 5/27
1 stop9h 15m
Montreal Pierre Elliott Trudeau Intl
Thu 5/30
2 stops14h 52m
San DiegoMontreal Pierre Elliott Trudeau Intl
SAN - YUL
SANYUL
San Diego
Mon 5/27
2 stops12h 27m
Montreal Pierre Elliott Trudeau Intl
Thu 5/30
2 stops10h 23m
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 May 12, 2024.
Read through reviews of airlines operating flights from San Diego to Ontario, such as Sun Country Air, WestJet and Delta. 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.
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Entertainment
Food
Comfort
Boarding
Crew
Overall
Reviews
Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin
Related info for your journey
Find useful and relevant information for your journey from San Diego to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to OntarioSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from San Diego to Ontario
Discover the top 4 airlines that operate flights from San Diego 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 2,659,571 searches. Data last updated May 12, 2024.
Search flights from San Diego to Ontario by cabin class
Find flights from San Diego to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from San Diego to Ontario
Find hourly flight availability from San Diego to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 12, 2024.
| 0%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 100%of flight departures | Morning6 am to noon |
| 0%of flight departures | AfternoonNoon to 6 pm |
| 0%of flight departures | Evening6 pm to midnight |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Fly with Cheapflights
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How does Cheapflights help users find flights from San Diego to Ontario?
Deals for San Diego to Ontario flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.
Why should you use Cheapflights to find cheap flight tickets from San Diego to Ontario?
Millions of users choose and trust Cheapflights to book the best flight deals from San Diego to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from San Diego to Ontario with no change fees?
Need flexible booking options for your flight to Ontario from San Diego? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from San Diego to Ontario become cheaper?
Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Ontario from San Diego today and book when prices fit your budget.