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$105+ Cheap flights from San Diego (SAN) to Ontario

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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from San Diego to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) to Ontario (CAON). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

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 November 21, 2024.

This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/112:05 pmSAN - YYZ
Nonstop4h 45mPorter Airlines
Fri 12/1310:20 amYYZ - SAN
Nonstop5h 45mPorter Airlines
Deal found 11/20$226
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/117:15 pmSAN - YYZ
1 stop8h 31mMultiple Airlines
Fri 12/1310:20 amYYZ - SAN
Nonstop5h 45mMultiple Airlines
Deal found 11/20$243
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/148:49 pmSAN - YYZ
1 stop6h 47mUnited Airlines
Tue 12/179:25 amYYZ - SAN
Nonstop5h 38mUnited Airlines
Deal found 11/20$247
This Mytrip deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/109:35 amSAN - YUL
1 stop12h 05mMultiple Airlines
Fri 12/1310:45 amYUL - SAN
3 stops24h 28mMultiple Airlines
Deal found 11/20$264
This Mytrip deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/55:58 pmSAN - YTZ
3 stops14h 40mMultiple Airlines
Mon 12/94:10 pmYTZ - SAN
2 stops20h 05mMultiple Airlines
Deal found 11/21$344
This Alaska Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/86:15 amSAN - YYZ
1 stop29h 40mAlaska Airlines
Thu 12/124:20 pmYYZ - SAN
2 stops19h 06mAlaska Airlines
Deal found 11/19$380
This Kiwi.com deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/2611:25 amSAN - YOW
2 stops39h 08mMultiple Airlines
Mon 12/26:10 pmYOW - SAN
1 stop15h 30mMultiple Airlines
Deal found 11/20$381
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/510:45 amSAN - YXU
2 stops19h 30mUnited Airlines
Mon 12/95:45 amYXU - SAN
1 stop9h 18mUnited Airlines
Deal found 11/20$405
This Air Canada deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/512:55 pmSAN - YXU
1 stop17h 20mAir Canada
Mon 12/95:45 amYXU - SAN
1 stop9h 18mAir Canada
Deal found 11/20$418
This United Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/139:30 pmSAN - YUL
1 stop12h 10mUnited Airlines
Wed 12/188:05 amYUL - SAN
1 stop7h 58mUnited Airlines
Deal found 11/20$420
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1212:05 pmSAN - YUL
1 stop8h 36mDelta
Tue 12/176:00 amYUL - SAN
1 stop10h 00mDelta
Deal found 11/20$432
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2710:23 pmSAN - YYZ
1 stop9h 59mDelta
Thu 1/210:05 amYYZ - SAN
1 stop11h 05mDelta
Deal found 11/20$513

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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 1/10

2:05 pm-9:50 pm

Nonstop4h 45m

Toronto Pearson Intl

Fri 1/17

10:20 am-1:05 pm

Nonstop5h 45m

$225

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Mon 1/13

12:35 pm-12:26 am

1 stop8h 51m

Toronto Pearson Intl

Fri 1/17

10:20 am-1:05 pm

Nonstop5h 45m

$228

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Sat 12/14

8:49 pm-6:36 am

1 stop6h 47m

Toronto Pearson Intl

Tue 12/17

9:25 am-12:03 pm

Nonstop5h 38m

$247

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 1/24

11:45 am-12:57 am

1 stop10h 12m

Toronto Pearson Intl

Mon 1/27

9:25 am-12:03 pm

Nonstop5h 38m

$264

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Tue 12/10

9:35 am-12:40 am

1 stop12h 05m

Montreal Pierre Elliott Trudeau Intl

Fri 12/13

10:45 am-8:13 am

3 stops24h 28m

$264

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 1/10

4:30 pm-10:19 am

2 stops14h 49m

Toronto Pearson Intl

Fri 1/17

5:10 pm-10:04 pm

1 stop7h 54m

$271

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Mon 1/13

12:35 pm-6:00 am

2 stops14h 25m

Toronto Pearson Intl

Fri 1/17

1:50 pm-11:45 am

1 stop24h 55m

$283

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 1/14

5:29 pm-3:05 pm

1 stop18h 36m

Toronto Pearson Intl

Tue 1/28

4:20 pm-10:33 pm

1 stop9h 13m

$284

San DiegoToronto

SAN - YTZ

SANYTZ

San Diego

Fri 1/24

10:10 pm-8:43 pm

2 stops19h 33m

Toronto Island

Fri 1/31

10:25 am-6:44 pm

2 stops11h 19m

$289

San DiegoToronto

SAN - YTZ

SANYTZ

San Diego

Mon 1/13

6:15 am-6:53 pm

2 stops9h 38m

Toronto Island

Fri 1/17

4:10 pm-11:52 pm

2 stops10h 42m

$323

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 52 results
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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, January is the cheapest month in which you can book a flight from San Diego to Region of Ontario (average of $242). Flying from San Diego to Region of Ontario in July is currently the most expensive (average of $359). 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 November 21, 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 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Region of Ontario when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 November 21, 2024.
Read through reviews of airlines operating flights from San Diego to Ontario, such as Porter Airlines, United Airlines and Air Canada. 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.
Alaska Airlines
8.0
Very good
9,458 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

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

Alaska Airlines
8.0
Very good
9,458 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

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

Delta
8.0
Very good
8,758 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

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

Porter Airlines
7.8
Good
286 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

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

Air Transat
7.8
Good
389 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

Reviews

1 / 10

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

United Airlines
7.4
Good
9,172 reviews
Alaska Airlines
8.0
Very good
9,458 reviews

Crew

8.5

Comfort

7.9

Boarding

8.2

Food

7.2

Overall

8.0

Entertainment

7.1

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?

    If you book a flight to Ontario from San Diego, you will be flying from San Diego, which is the city’s only airport. San Diego (SAN) is located 2.6 mi from the center of San Diego.

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

    One-way options have recently been found by users for as low as $105 on United Airlines. Other airlines that offer cheap prices include Air Transat from $120 and American Airlines from $165 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 - Sarnia.

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

    On average you can expect to pay $349 for a flight from San Diego to Region of Ontario. The cheapest flight overall is $88 while the most popular route, (San Diego - Toronto Pearson Intl) is currently priced at $225.

  • 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, January is the cheapest month in which you can book a flight from San Diego to Region of Ontario (average of $242). Flying from San Diego to Region of Ontario in July is currently the most expensive (average of $359). 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.

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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 5 airlines flying from San Diego to Ontario

Discover the top 5 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 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$88Average$418FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$228Average$691FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$250Average$644FlexibilityNo cancel feeOn-time69%
DeltaCheapest$317Average$671FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$327Average$607FlexibilityNo cancel feeOn-time71%
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