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Cheap flights from San Diego to Ontario from C$ 148

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
9 Nov — 16 Nov1
1 adult

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 503,521 searches. Data last updated 4 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 4/12

12:55 p.m.-8:45 p.m.

Nonstop4h 50m

C$ 148

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 3/12

12:25 p.m.-11:55 p.m.

2 stops32h 30m

C$ 159

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Mon 23/12

10:30 p.m.-12:31 p.m.

1 stop11h 01m

C$ 160

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 26/11

6:15 a.m.-4:59 p.m.

1 stop7h 44m

C$ 201

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Wed 4/12

12:35 p.m.-1:16 a.m.

1 stop9h 41m

C$ 230

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 12/11

6:45 a.m.-10:59 p.m.

2 stops13h 14m

C$ 236

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 20/12

2:05 p.m.-9:50 p.m.

Nonstop4h 45m

C$ 273

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Mon 2/12

9:06 p.m.-4:35 p.m.

1 stop16h 29m

C$ 159

San DiegoToronto

SAN - YTZ

SANYTZ

San Diego

Wed 4/12

10:10 a.m.-9:25 p.m.

3 stops32h 15m

C$ 162

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sun 23/2

10:45 a.m.-2:55 p.m.

2 stops25h 10m

C$ 388

Flights are sorted by cheapest first

Deals found on 4/11

Showing 1-10 of 47 results
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Find flight deals from San Diego to Ontario

Cheapest flights from San Diego to Ontario
Explore the most affordable flight options available from San Diego to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 November 2024.

Wed 11/122:05 p.m.SAN - YYZ
Nonstop4h 45mPorter Airlines
Wed 18/1210:20 a.m.YYZ - SAN
Nonstop5h 45mPorter Airlines
Deal found 3/11C$ 279
Wed 4/1212:35 p.m.SAN - YYZ
1 stop8h 53mMultiple Airlines
Mon 9/1210:20 a.m.YYZ - SAN
Nonstop5h 45mMultiple Airlines
Deal found 3/11C$ 296
Fri 6/125:15 p.m.SAN - YYZ
1 stop10h 28mUnited Airlines
Sat 7/129:25 a.m.YYZ - SAN
Nonstop5h 38mUnited Airlines
Deal found 2/11C$ 343
Tue 3/1211:25 a.m.SAN - YUL
2 stops27h 10mMultiple Airlines
Tue 10/129:20 a.m.YUL - SAN
2 stops13h 15mMultiple Airlines
Deal found 3/11C$ 371
Fri 6/1212:35 p.m.SAN - YYZ
1 stop8h 53mWestJet
Tue 10/1210:35 p.m.YYZ - SAN
1 stop16h 10mWestJet
Deal found 2/11C$ 381
Wed 4/1212:45 p.m.SAN - YYZ
1 stop23h 10mAlaska Airlines
Mon 9/124:20 p.m.YYZ - SAN
2 stops21h 06mAlaska Airlines
Deal found 3/11C$ 410
Sun 15/1210:15 p.m.SAN - YYZ
1 stop7h 54mDelta
Wed 1/16:00 a.m.YYZ - SAN
1 stop11h 36mDelta
Deal found 3/11C$ 480
Tue 3/1210:00 p.m.SAN - YUL
1 stop11h 24mAmerican Airlines
Tue 10/127:30 a.m.YUL - SAN
1 stop14h 52mAmerican Airlines
Deal found 3/11C$ 484
Thu 5/126:15 a.m.SAN - YTZ
2 stops12h 05mMultiple Airlines
Wed 11/124:10 p.m.YTZ - SAN
2 stops19h 03mMultiple Airlines
Deal found 4/11C$ 490
Thu 28/1110:30 p.m.SAN - YYZ
1 stop8h 28mAir Canada
Mon 2/127:00 p.m.YYZ - SAN
1 stop19h 05mAir Canada
Deal found 3/11C$ 496
Thu 14/116:15 a.m.SAN - YUL
1 stop7h 44mDelta
Mon 25/1112:55 p.m.YUL - SAN
1 stop8h 20mDelta
Deal found 3/11C$ 502
Fri 6/126:52 p.m.SAN - YUL
2 stops12h 40mUnited Airlines
Sat 7/121:25 p.m.YUL - SAN
2 stops10h 28mUnited Airlines
Deal found 4/11C$ 545

Best time to book a flight from San Diego to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from San Diego with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from San Diego to Ontario

Get recent, data-driven insights about flights from San Diego to Ontario including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from San Diego to Region of Ontario?

Currently, October is the cheapest month in which you can book a flight from San Diego to Region of Ontario (average of C$ 178). Flying from San Diego to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SAN to ON?

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 4 November 2024.

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.

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Region of Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 4 November 2024.
Read through reviews of airlines operating flights from San Diego to Ontario, such as Porter Airlines, Alaska Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,423 reviews
Check prices

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Alaska Airlines
8.0
Very good
9,423 reviews
Alaska Airlines
8.0
Very good
9,423 reviews
Check prices

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Delta
8.0
Very good
8,829 reviews
Alaska Airlines
8.0
Very good
9,423 reviews
Check prices

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

Porter Airlines
7.7
Good
293 reviews
Alaska Airlines
8.0
Very good
9,423 reviews
Check prices

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

United Airlines
7.4
Good
9,226 reviews
Alaska Airlines
8.0
Very good
9,423 reviews
Check prices

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

WestJet
7.3
Good
2,803 reviews
Alaska Airlines
8.0
Very good
9,423 reviews
Check prices

Comfort

7.9

Food

7.2

Boarding

8.2

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 10

Could not watch a movie, asked for help. Could not get extra cookies

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.

  • What airport do you fly from for flights from San Diego to Ontario?

    Most people fly from San Diego (SAN) if they book a flight from San Diego to Ontario. San Diego is conveniently located just 4.2 km from San Diego’s city centre.

  • What are the cheapest airlines to fly from San Diego to Region of Ontario one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at C$ 148. United Airlines flights start at C$ 160 while deals on Delta start at C$ 222 one-way.

  • What are the most popular routes from San Diego to Region of Ontario?

    The most popular route from San Diego to Region of Ontario is San Diego - Toronto Pearson Intl. You may also consider San Diego - Montreal Pierre Elliott Trudeau Intl or San Diego - Toronto Island.

  • What are the cheapest flights from San Diego to Region of Ontario?

    While on average a flight from San Diego to Region of Ontario is generally C$ 450, our data shows the cheapest flight currently is C$ 107. When looking at the most popular route, (San Diego - Toronto Pearson Intl), you can expect to pay C$ 279 for that flight.

  • Can I find deals for flights from San Diego to Ontario that include hotel bookings?

    Yes. In addition to deals on San Diego to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Diego to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Diego to Ontario.

  • Can I find deals for business class flights from San Diego to Ontario?

    Yes. Cheapflights offers flight deals from San Diego to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from San Diego to Region of Ontario?

    Currently, October is the cheapest month in which you can book a flight from San Diego to Region of Ontario (average of C$ 178). Flying from San Diego to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for San Diego to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from San Diego to Ontario

Discover the top airline 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 503,521 searches. Data last updated 4 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 293AverageC$ 746FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from San Diego to Ontario?

Cheapflights makes it easy to find San Diego to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from San Diego to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from San Diego.

Can Cheapflights find flights from San Diego to Ontario with no change fees?

Yes, we can. To see specific flights from San Diego to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from San Diego to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from San Diego to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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