How many flights depart from San Diego to Region of Ontario on average per week?

As of November 2025, 12 flights take off from San Diego and land in Region of Ontario each week. The most common flight departure day for this route is Tue, with 17% of weekly flights taking off on this day.

Which airlines fly to Region of Ontario?

Air Canada, Porter Airlines and United Airlines 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 41% 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 November 2025, there are 1 flights per day flying from San Diego to Region of Ontario. The most common time of day flights depart is 12:00p.m., with 100% of flights taking off in the afternoon.

What is the cheapest airline that flies from San Diego to Ontario?

WestJet and American Airlines are the most popular carriers operating 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 November 2025.

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.

C$ 164 Cheap Flights from San Diego to Ontario in 2025/26

1 adult

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Find the cheapest flights from San Diego to Ontario

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One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:52 p.m. - 7:55 p.m.SAN-YYZ

22h 03m1 stop

2:10 p.m. - 2:10 p.m.YYZ-SAN

27h 00m2 stops

C$ 478Multiple Airlines

Find Deal

Mon, 1 Dec - Sun, 7 Dec

7:30 p.m. - 6:47 a.m.SAN-YYZ

8h 17m1 stop

9:35 a.m. - 7:33 p.m.YYZ-SAN

12h 58m1 stop

C$ 480Multiple Airlines

Find Deal

Thu, 22 Jan - Tue, 10 Feb

8:59 p.m. - 7:55 p.m.SAN-YYZ

19h 56m1 stop

7:55 a.m. - 11:45 a.m.YYZ-SAN

30h 50m2 stops

C$ 482Multiple Airlines

Find Deal

Tue, 2 Dec - Sun, 7 Dec

12:35 p.m. - 5:28 a.m.SAN-YKF

13h 53m1 stop

7:00 p.m. - 11:47 a.m.YKF-SAN

19h 47m1 stop

C$ 499WestJet

Find Deal

Wed, 28 Jan - Sat, 31 Jan

12:35 p.m. - 5:58 a.m.SAN-YYZ

14h 23m2 stops

10:50 p.m. - 11:47 a.m.YYZ-SAN

15h 57m2 stops

C$ 521WestJet

Find Deal

Wed, 28 Jan - Sat, 31 Jan

12:40 p.m. - 11:23 p.m.SAN-YUL

7h 43m1 stop

6:00 a.m. - 11:53 a.m.YUL-SAN

8h 53m1 stop

C$ 587Air Canada

Find Deal

Fri, 5 Dec - Thu, 11 Dec

12:40 p.m. - 11:23 p.m.SAN-YUL

7h 43m1 stop

10:30 p.m. - 11:53 a.m.YUL-SAN

16h 23m1 stop

C$ 639Air Canada

Find Deal

Sun, 1 Feb - Sun, 15 Feb

10:00 p.m. - 2:27 p.m.SAN-YOW

13h 27m1 stop

5:11 p.m. - 10:07 a.m.YOW-SAN

19h 56m2 stops

C$ 728United Airlines

Find Deal

Tue, 10 Feb - Wed, 11 Feb

8:37 p.m. - 2:27 p.m.SAN-YOW

14h 50m2 stops

5:11 p.m. - 10:07 a.m.YOW-SAN

19h 56m2 stops

C$ 735United Airlines

Find Deal

Tue, 10 Feb - Wed, 11 Feb

8:00 a.m. - 10:10 p.m.SAN-YTZ

11h 10m1 stop

1:30 p.m. - 9:07 p.m.YTZ-SAN

10h 37m1 stop

C$ 1,349Porter Airlines

Find Deal

Fri, 27 Mar - Fri, 3 Apr

Delta flights from San Diego to Region of Ontario

Our best Delta deals on San Diego to Region of Ontario flight tickets

Delta

13 Dec

SAN10:00 p.m.San Diego

11h 00m

1 stop

YUL12:00 p.m.Montreal Pierre Elliott Trudeau Intl

9 Jan

YUL12:54 p.m.Montreal Pierre Elliott Trudeau Intl

9h 06m

1 stop

SAN7:00 p.m.San Diego

C$ 655

Find similar

Delta

19 Nov

SAN6:24 a.m.San Diego

7h 57m

1 stop

YUL5:21 p.m.Montreal Pierre Elliott Trudeau Intl

26 Nov

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

9h 03m

1 stop

SAN1:03 p.m.San Diego

C$ 901

Find similar

Delta

19 Nov

SAN6:35 a.m.San Diego

14h 07m

2 stops

YUL11:42 p.m.Montreal Pierre Elliott Trudeau Intl

26 Nov

YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl

11h 15m

1 stop

SAN2:15 p.m.San Diego

C$ 935

Find similar

United Airlines flights from San Diego to Region of Ontario

Our best United Airlines deals on San Diego to Region of Ontario flight tickets

United Airlines

10 Feb

SAN10:00 p.m.San Diego

13h 27m

1 stop

YOW2:27 p.m.Ottawa

11 Feb

YOW5:11 p.m.Ottawa

19h 56m

2 stops

SAN10:07 a.m.San Diego

C$ 728

Find similar

United Airlines

10 Feb

SAN8:37 p.m.San Diego

14h 50m

2 stops

YOW2:27 p.m.Ottawa

11 Feb

YOW5:11 p.m.Ottawa

19h 56m

2 stops

SAN10:07 a.m.San Diego

C$ 735

Find similar

United Airlines

11 Mar

SAN8:00 a.m.San Diego

10h 56m

2 stops

YOW9:56 p.m.Ottawa

18 Mar

YOW6:00 a.m.Ottawa

12h 00m

2 stops

SAN3:00 p.m.San Diego

C$ 774

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Mon 1/12

6:52 p.m.-7:55 p.m.

1 stop22h 03m

Toronto Pearson Intl

Sun 7/12

2:10 p.m.-2:10 p.m.

2 stops27h 00m

C$ 478

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Thu 22/1

7:30 p.m.-6:47 a.m.

1 stop8h 17m

Toronto Pearson Intl

Tue 10/2

9:35 a.m.-7:33 p.m.

1 stop12h 58m

C$ 480

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 2/12

8:59 p.m.-7:55 p.m.

1 stop19h 56m

Toronto Pearson Intl

Sun 7/12

7:55 a.m.-11:45 a.m.

2 stops30h 50m

C$ 482

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Wed 28/1

12:35 p.m.-5:28 a.m.

1 stop13h 53m

Toronto Region of Waterloo Intl

Sat 31/1

7:00 p.m.-11:47 a.m.

1 stop19h 47m

C$ 499

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 28/1

12:35 p.m.-5:58 a.m.

2 stops14h 23m

Toronto Pearson Intl

Sat 31/1

10:50 p.m.-11:47 a.m.

2 stops15h 57m

C$ 521

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Fri 5/12

12:40 p.m.-11:23 p.m.

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Thu 11/12

6:00 a.m.-11:53 a.m.

1 stop8h 53m

C$ 587

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Sun 1/2

12:40 p.m.-11:23 p.m.

1 stop7h 43m

Montreal Pierre Elliott Trudeau Intl

Sun 15/2

10:30 p.m.-11:53 a.m.

1 stop16h 23m

C$ 639

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Tue 10/2

10:00 p.m.-2:27 p.m.

1 stop13h 27m

Ottawa

Wed 11/2

5:11 p.m.-10:07 a.m.

2 stops19h 56m

C$ 728

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Tue 10/2

8:37 p.m.-2:27 p.m.

2 stops14h 50m

Ottawa

Wed 11/2

5:11 p.m.-10:07 a.m.

2 stops19h 56m

C$ 735

San DiegoToronto

SAN - YTZ

SANYTZ

San Diego

Fri 27/3

8:00 a.m.-10:10 p.m.

1 stop11h 10m

Toronto Island

Fri 3/4

1:30 p.m.-9:07 p.m.

1 stop10h 37m

C$ 1,349

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Region of Ontario?

In general, January 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$ 365. If you are unable to visit Region of Ontario during the month of January, then departing from San Diego during the month March is also very affordable. Most momondo users find prices during this month for around C$ 399.

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$ 278. The most expensive day to fly to Region of Ontario is Saturday, with ticket prices averaging around C$ 493.

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 evening. Flights from San Diego to Region of Ontario during this time can be as low as C$ 276. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are C$ 425 on average. Flights to Region of Ontario from San Diego in the morning 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 to Region of 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$ 551 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$ 434 on momondo.

What cabin class options are available on San Diego to Ontario flights?

There are 3 cabin classes available to choose from on San Diego to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Region of Ontario flights?

You could potentially save up to 46% on your flight if you consider stops on a San Diego to Region of Ontario flight.

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

Fastest flight time	4h 50m
Direct flights	Every day
Airports in Region of Ontario	2 airports

The fastest flight from San Diego to Region of Ontario takes 4h 50m

Direct flights go from San Diego to Region of Ontario every day.

There are 2 airports near Region of Ontario: Montreal Pierre Elliott Trudeau Intl (YUL), Toronto Pearson Intl (YYZ)

Search flight deals

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 November 2025.
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 Airbus A220-300, making up 59.30% of the total bookings. Other popular models include Airbus A319 with 17.19%, Boeing 737 MAX 8 with 4.56%, and Boeing 787-8 Dreamliner with 3.51%.

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
Porter Airlines	PriceFrom C$ 295	Free Cancellation	Rating 8.0 387 reviews	Search Porter Airlines flights
United Airlines	PriceFrom C$ 296	Free Cancellation	Rating 7.4 9,007 reviews	Search United Airlines flights
Air Canada	PriceFrom C$ 397	Free Cancellation	Rating 7.1 10,416 reviews	Search Air Canada flights

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.

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Find better results for your trip to Ontario

Popular Cities in Ontario

Flights to Torontofrom C$ 90

Flights to Vancouverfrom C$ 72

Flights to Montrealfrom C$ 134

Flights to Calgaryfrom C$ 82

Flights to Ottawafrom C$ 205

Flights to Winnipegfrom C$ 130

Flights to Halifaxfrom C$ 114

Flights to Kelownafrom C$ 73

Flights to Saskatoonfrom C$ 152

Flights to Reginafrom C$ 171

Flights to St. John'sfrom C$ 274

Flights to Québec Cityfrom C$ 295

Cheap flights from San Diego to Ontario from C$ 164

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 8/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from San Diego to Ontario

Cheap round-trip flights

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Cheap last-minute flights

Cheap direct flights

Delta flights from San Diego to Region of Ontario

Our best Delta deals on San Diego to Region of Ontario flight tickets

United Airlines flights from San Diego to Region of Ontario

Our best United Airlines deals on San Diego to Region of Ontario flight tickets

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Use the filters below to find and compare flights from San Diego to Ontario that are best for you.

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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?

What is the cheapest day to depart on your flight to Region of Ontario?

What is the cheapest time of day to depart on your flight to Region of Ontario?

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 to Region of Ontario?

What cabin class options are available on San Diego to Ontario flights?

There are 3 cabin classes available to choose from on San Diego to Ontario flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Diego to Region of Ontario flights?

You could potentially save up to 46% on your flight if you consider stops on a San Diego to Region of Ontario flight.

What is the cheapest airline that flies from San Diego to Ontario?

WestJet and American Airlines are the most popular carriers operating from San Diego to Ontario

Which airlines fly to Region of Ontario?

How many flights depart from San Diego to Region of Ontario on average per day?

As of November 2025, there are 1 flights per day flying from San Diego to Region of Ontario. The most common time of day flights depart is 12:00p.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 November 2025, 12 flights take off from San Diego and land in Region of Ontario each week. The most common flight departure day for this route is Tue, with 17% 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

Fastest flight time

Direct flights

Airports in Region of Ontario

When did momondo last update prices for flights from San Diego Airport to Ontario?

How many operators does momondo search for flights from San Diego Airport to Ontario?

How old do you have to be to fly from San Diego Airport to Ontario?

What documentation or ID do you need to fly to Ontario?

What is the most popular plane model from San Diego to Region of Ontario?

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

Why use momondo?

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

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

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

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

An easier way to manage your Region of Ontario trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Ontario

Popular Cities in Ontario

Popular flights according to clicks in the last 7 days on momondo