Cheap flights from San Diego to Ontario from C$ 362
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Diego to Ontario departing on 14/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.Alaska Airlines flights from San Diego to Region of Ontario
Our best Alaska Airlines deals on San Diego to Region of Ontario flight tickets
Air Canada flights from San Diego to Region of Ontario
Our best Air Canada deals on San Diego to Region of Ontario flight tickets
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Fly from
Fly to
Route
Depart
Return
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Thu 21/1
3:09 p.m.-4:50 p.m.
1 stop22h 41m
Toronto Pearson Intl
Mon 25/1
6:00 a.m.-12:40 p.m.
1 stop9h 40m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Mon 9/11
8:20 p.m.-6:51 a.m.
1 stop7h 31m
Toronto Pearson Intl
Mon 16/11
1:40 p.m.-7:26 a.m.
1 stop20h 46m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Tue 19/1
3:09 p.m.-4:50 p.m.
1 stop22h 41m
Toronto Pearson Intl
Mon 25/1
6:00 a.m.-12:40 p.m.
1 stop9h 40m
San DiegoOttawa
SAN San Diego - YOW Ottawa
SANYOW
San Diego
Tue 3/11
12:55 p.m.-1:40 a.m.
1 stop9h 45m
Ottawa
Tue 10/11
7:45 a.m.-4:25 p.m.
1 stop11h 40m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 15/1
12:50 p.m.-8:50 p.m.
Nonstop5h 00m
Toronto Pearson Intl
Mon 18/1
9:20 a.m.-12:00 p.m.
Nonstop5h 40m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 15/1
4:45 p.m.-6:52 a.m.
1 stop11h 07m
Toronto Pearson Intl
Mon 18/1
9:20 a.m.-12:00 p.m.
Nonstop5h 40m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Fri 11/12
7:20 a.m.-11:26 p.m.
2 stops13h 06m
Toronto Pearson Intl
Wed 6/1
12:15 p.m.-10:49 p.m.
2 stops13h 34m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Thu 25/2
10:30 a.m.-9:15 p.m.
1 stop7h 45m
Toronto Pearson Intl
Mon 1/3
4:00 p.m.-12:29 a.m.
2 stops11h 29m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Wed 4/11
7:45 a.m.-11:29 p.m.
2 stops12h 44m
Toronto Pearson Intl
Mon 9/11
6:00 a.m.-10:26 a.m.
1 stop7h 26m
San DiegoToronto
SAN San Diego - YYZ Toronto Pearson Intl
SANYYZ
San Diego
Thu 14/1
6:23 p.m.-9:47 a.m.
2 stops12h 24m
Toronto Pearson Intl
Mon 18/1
10:53 a.m.-5:11 p.m.
2 stops9h 18m
See travel insights to Ontario from
How to get the cheapest flight ticket from San Diego to Region of Ontario
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
What is the cheapest month to fly to Region of Ontario?
In general, March is the cheapest month to fly from San Diego to Region of Ontario. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 592. If you are unable to visit Region of Ontario during the month of March, then departing from San Diego during the month May is also very affordable. Most momondo users find prices during this month for around C$ 655.
What is the cheapest day to depart on your flight to Region of Ontario?
The cheapest day to depart from San Diego to Region of Ontario is on a Thursday. Travellers who choose to depart for Region of Ontario on a Thursday will often find tickets for as low as C$ 448. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 842.
What is the cheapest time of day to depart on your flight to Region of Ontario?
Our most recent data shows that the best time of day to fly to Region of Ontario is in the morning. Flights from San Diego to Region of Ontario during this time can be as low as C$ 517. If you have a flexible travel schedule, then try to avoid flying at noon when prices are C$ 620 on average. Flights to Region of Ontario from San Diego at noon are generally more expensive because this time of day is more convenient for travellers’ schedules.
What is the cheapest San Diego to Ontario flight route?
Fly from San Diego to Toronto Pearson Intl for the best San Diego - Ontario flight prices
How far in advance should I book a flight from San Diego to Ontario?
You are more likely to see cheaper flights to Region of Ontario from San Diego when booking weeks ahead of your departure date. In general, you can expect to find flights to Region of Ontario for around C$ 886 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Region of Ontario from San Diego for as low as C$ 506 on momondo.
What cabin class options are available on San Diego to Region of Ontario flights?
There are 2 cabin classes available to choose from on San Diego to Region of Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from San Diego to Ontario?
Air Canada and Alaska Airlines are the most popular carriers operating from San Diego to Ontario
Which airlines fly to Region of Ontario?
Air Canada, United Airlines and Delta are the top three most popular airlines that fly to Region of Ontario from San Diego according to our data. Air Canada is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Region of Ontario. Keep in mind that there are 3 different airlines that fly to Region of Ontario on a routine basis, so you have a few additional options to choose from.
How many flights depart from San Diego to Region of Ontario on average per day?
As of October 2026, there are 2 flights per day flying from San Diego to Region of Ontario. The most common time of day flights depart is 1:00p.m., with 100% of flights taking off in the afternoon.
How many flights depart from San Diego to Region of Ontario on average per week?
As of October 2026, 14 flights take off from San Diego and land in Region of Ontario each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.
Cheap San Diego to Region of Ontario flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Diego to Region of Ontario
Frequently asked questions about flying from San Diego to Ontario
When did momondo last update prices for flights from San Diego Airport to Ontario?
Prices for flights from San Diego Airport to Ontario were last updated today.
How many operators does momondo search for flights from San Diego Airport to Ontario?
The number of operators available for flights from San Diego Airport to Ontario is 3 as of October 2026.
How old do you have to be to fly from San Diego Airport to Ontario?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Diego Airport to Ontario.
What documentation or ID do you need to fly to Ontario?
The travel and health documents you'll need for your trip to Ontario may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from San Diego to Region of Ontario?
Based on momondo bookings for flights between San Diego and Region of Ontario, the leading plane model is Boeing 737 MAX 8, making up 39.09% of the total bookings. Other popular models include Airbus A319 with 22.27%, Airbus A321-100/200 with 10.23%, and Airbus A320-100/200 with 8.41%.
Best airlines flying from San Diego to Region of Ontario
Compare and see reviews for airlines that fly from San Diego to Region of Ontario with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 340 | Free Cancellation | Rating 7.8 8,651 reviews | |||
| PriceFrom C$ 442 | Free Cancellation | Rating 7.1 11,747 reviews | |||
| PriceFrom C$ 458 | Free Cancellation | Rating 7.4 10,332 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from San Diego to Ontario?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San Diego to Ontario. momondo saves you time and could save you money on your trip.
Can I find flights from San Diego to Ontario with flexible booking policies on momondo?
Flights from San Diego to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from San Diego to Ontario?
momondo provides multiple filters to help you find the best flight to Ontario from San Diego. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from San Diego to Ontario right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Ontario from San Diego. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.