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$154+ Cheap flights from Ontario to San Diego (SAN)

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

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (CAON) to San Diego (SAN). 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 Ontario to San Diego

Cheapest flights from Ontario to San Diego
Explore the most affordable flight options available from Ontario to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/116:00 amYYZ - SAN
1 stop10h 57mAmerican Airlines
Sun 12/1510:45 pmSAN - YYZ
1 stop8h 34mAmerican Airlines
Deal found 11/20$221
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 12/37:25 pmYYZ - SAN
1 stop16h 50mMultiple Airlines
Tue 12/109:35 amSAN - YYZ
Nonstop4h 45mMultiple Airlines
Deal found 11/20$224
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 12/139:00 pmYYZ - SAN
1 stop17h 35mUnited Airlines
Sat 12/142:05 pmSAN - YYZ
1 stop16h 53mUnited Airlines
Deal found 11/20$225
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.
Thu 12/54:20 pmYYZ - SAN
1 stop10h 39mAlaska Airlines
Mon 12/97:00 amSAN - YYZ
1 stop28h 55mAlaska Airlines
Deal found 11/19$335
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/287:10 amYUL - SAN
1 stop10h 24mDelta
Tue 12/310:10 pmSAN - YUL
1 stop10h 50mDelta
Deal found 11/21$344
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/134:10 pmYTZ - SAN
2 stops19h 03mMultiple Airlines
Mon 12/236:15 amSAN - YTZ
2 stops13h 08mMultiple Airlines
Deal found 11/19$347
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1310:45 amYUL - SAN
3 stops24h 28mMultiple Airlines
Wed 12/182:05 pmSAN - YUL
1 stop7h 23mMultiple Airlines
Deal found 11/19$349
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 12/126:15 amYYZ - SAN
1 stop8h 29mDelta
Mon 12/2312:35 pmSAN - YYZ
1 stop8h 53mDelta
Deal found 11/20$359
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/127:30 amYUL - SAN
1 stop17h 42mAmerican Airlines
Wed 1/81:46 pmSAN - YUL
1 stop20h 49mAmerican Airlines
Deal found 11/21$375
This United Airlines 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amYUL - SAN
1 stop15h 51mUnited Airlines
Wed 1/87:43 pmSAN - YUL
2 stops15h 33mUnited Airlines
Deal found 11/21$409
This Justfly.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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1210:05 pmYYZ - SAN
2 stops16h 40mWestJet
Mon 12/2312:35 pmSAN - YYZ
1 stop8h 53mWestJet
Deal found 11/20$473
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.
Tue 12/38:20 pmYYZ - SAN
1 stop17h 45mAir Canada
Fri 12/612:00 pmSAN - YYZ
1 stop9h 17mAir Canada
Deal found 11/20$474

Find flights from Ontario to San Diego within your budget

Customize your flight search to find flights from Ontario to San Diego 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

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 1/8

10:20 am-1:05 pm

Nonstop5h 45m

San Diego

Sun 1/12

2:05 pm-9:50 pm

Nonstop4h 45m

$210

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 12/11

6:00 am-1:57 pm

1 stop10h 57m

San Diego

Sun 12/15

10:45 pm-10:19 am

1 stop8h 34m

$221

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Tue 12/3

7:25 pm-9:15 am

1 stop16h 50m

San Diego

Tue 12/10

9:35 am-5:20 pm

Nonstop4h 45m

$224

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 12/13

9:00 pm-11:35 am

1 stop17h 35m

San Diego

Sat 12/14

2:05 pm-9:58 am

1 stop16h 53m

$225

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 1/17

7:55 am-11:45 am

1 stop30h 50m

San Diego

Wed 1/22

12:35 pm-12:26 am

1 stop8h 51m

$229

TorontoSan Diego

YTZ - SAN

YTZSAN

Toronto Island

Fri 1/10

12:25 pm-10:30 pm

2 stops13h 05m

San Diego

Wed 1/15

7:00 am-9:50 pm

2 stops11h 50m

$243

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 1/17

4:10 pm-10:30 pm

1 stop9h 20m

San Diego

Wed 1/22

12:55 pm-8:45 pm

Nonstop4h 50m

$246

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 1/6

6:10 pm-1:27 pm

1 stop22h 17m

San Diego

Mon 1/13

6:15 am-4:50 pm

1 stop7h 35m

$323

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 1/10

4:20 pm-7:40 am

2 stops18h 20m

San Diego

Sun 1/12

10:32 am-3:05 pm

2 stops25h 33m

$331

OttawaSan Diego

YOW - SAN

YOWSAN

Ottawa

Mon 1/20

6:45 am-12:03 pm

1 stop8h 18m

San Diego

Fri 1/24

10:10 pm-5:06 pm

1 stop15h 56m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 52 results
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Best time to book a flight from Ontario to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Ontario 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 Ontario to San Diego

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

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

Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Diego (average of $266). Flying from Region of Ontario to San Diego in March is currently the most expensive (average of $339). 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 ON to SAN?

Find hourly flight availability from Ontario to San Diego. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Diego as you normally would.

Weekly flight availability from Region of Ontario to San Diego

Explore weekly flight availability from Ontario to San Diego. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from CAON to SAN are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in San Diego by month

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

In terms of precipitation, rainfall in San Diego ranges from 0.0 - 2.3 inches per month. February is typically the wettest month, when rainfall can reach 2.3 in. July is typically the driest time to visit San Diego when rainfall is around 0.0 in.

Temperature in San Diego by month

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

If weather is an important factor for your trip to San Diego, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 57.2 F).

Reviews of airlines servicing San Diego

Get insights into the airlines that provide service to San Diego. 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 San Diego. Reviews last updated November 21, 2024.
See what other customers who have flown with Porter Airlines, American Airlines and United Airlines from Ontario to San Diego have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,458 reviews

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

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

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Food

7.2

Boarding

8.2

Reviews

1 / 10

Service was good. We pre-ordered a snack but never made it to us.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Diego. 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 into for flights to San Diego from Ontario?

    Most people fly into San Diego (SAN) if they book a flight to San Diego from Ontario. San Diego is conveniently located just 2.6 mi from San Diego’s city center.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $154. However, be on the lookout for offers from Porter Airlines and Delta, as they are both options that can get you from Region of Ontario to San Diego for a low price.

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

    While some choose either Montreal Pierre Elliott Trudeau Intl - San Diego or Toronto Island - San Diego, Toronto Pearson Intl - San Diego is the most popular route from Region of Ontario to San Diego.

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

    On average you can expect to pay $332 for a flight from Region of Ontario to San Diego. The cheapest flight overall is $129 while the most popular route, (Toronto Pearson Intl - San Diego) is currently priced at $185.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario to San Diego 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 Region of Ontario to San Diego?

    Currently, September is the cheapest month in which you can book a flight from Region of Ontario to San Diego (average of $266). Flying from Region of Ontario to San Diego in March is currently the most expensive (average of $339). 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 Ontario to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Ontario to San Diego

Discover the top 5 airlines that operate flights from Ontario to San Diego. 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$173Average$199FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$204Average$605FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$262Average$570FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$376Average$564FlexibilityNo cancel feeOn-time71%
DeltaCheapest$380Average$542FlexibilityNo cancel feeOn-timeN/A
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