Ontario

$95+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YYZ
Jan 22 — Jan 291
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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 January 17, 2025.

Round-trip from

$231
(eDestinos)

One-way from

$95
(Trip.com)
From San Diego to Ontario
One-way flight from San Diego to Ontario

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 January 17, 2025.

This eDestinos deal was found by Cheapflights users on 1/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/44:21 pmSAN - YYZ
1 stop26h 24mMultiple Airlines
Tue 2/118:00 pmYYZ - SAN
1 stop21h 01mMultiple Airlines
Deal found 1/14$231
This eDestinos deal was found by Cheapflights users on 1/14. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/44:21 pmSAN - YTZ
2 stops23h 32mMultiple Airlines
Tue 2/112:00 pmYTZ - SAN
2 stops27h 01mMultiple Airlines
Deal found 1/14$234
This Mytrip deal was found by Cheapflights users on 1/16. 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 3/262:05 pmSAN - YYZ
Nonstop4h 45mPorter Airlines
Sun 3/3010:20 amYYZ - SAN
Nonstop5h 45mPorter Airlines
Deal found 1/16$241
This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/102:05 pmSAN - YOW
2 stops12h 25mWestJet
Tue 6/246:00 amYOW - SAN
1 stop10h 20mWestJet
Deal found 1/16$260
This Trip.com deal was found by Cheapflights users on 1/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/122:05 pmSAN - YUL
1 stop7h 25mPorter Airlines
Wed 2/196:45 amYUL - SAN
1 stop9h 20mPorter Airlines
Deal found 1/16$262
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Fri 6/62:05 pmSAN - YYZ
2 stops12h 46mWestJet
Thu 6/126:30 amYYZ - SAN
1 stop9h 50mWestJet
Deal found 1/15$263
This Kiwi.com deal was found by Cheapflights users on 1/15. 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.
Mon 2/178:08 pmSAN - YUL
1 stop17h 27mMultiple Airlines
Mon 2/246:45 amYUL - SAN
1 stop9h 20mMultiple Airlines
Deal found 1/15$272
This Trip.com deal was found by Cheapflights users on 1/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/62:05 pmSAN - YUL
1 stop23h 22mWestJet
Mon 5/127:00 amYUL - SAN
1 stop9h 20mWestJet
Deal found 1/15$285
This Kiwi.com deal was found by Cheapflights users on 1/15. 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 2/1112:55 pmSAN - YOW
1 stop24h 50mMultiple Airlines
Tue 2/188:10 pmYOW - SAN
2 stops26h 08mMultiple Airlines
Deal found 1/15$286
This Air Canada deal was found by Cheapflights users on 1/15. 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 5/68:10 amSAN - YUL
Nonstop5h 27mAir Canada
Sun 5/114:50 pmYUL - SAN
Nonstop6h 00mAir Canada
Deal found 1/15$289
This Air Canada deal was found by Cheapflights users on 1/15. 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.
Wed 1/2211:45 amSAN - YYZ
1 stop10h 12mAir Canada
Tue 1/289:25 amYYZ - SAN
Nonstop5h 38mAir Canada
Deal found 1/15$291
This Booking.com deal was found by Cheapflights users on 1/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2312:35 pmSAN - YKF
1 stop9h 41mWestJet
Mon 4/286:00 amYKF - SAN
1 stop10h 20mWestJet
Deal found 1/16$294

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 2,558,603 searches. Data last updated January 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Tue 2/4

4:21 pm-9:45 pm

1 stop26h 24m

Toronto Pearson Intl

Tue 2/11

8:00 pm-2:01 pm

1 stop21h 01m

$231

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Wed 3/26

2:05 pm-9:50 pm

Nonstop4h 45m

Toronto Pearson Intl

Sun 3/30

10:20 am-1:05 pm

Nonstop5h 45m

$241

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Tue 6/10

2:05 pm-5:30 am

2 stops12h 25m

Ottawa

Tue 6/24

6:00 am-1:20 pm

1 stop10h 20m

$260

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 2/12

2:05 pm-12:30 am

1 stop7h 25m

Montreal Pierre Elliott Trudeau Intl

Wed 2/19

6:45 am-1:05 pm

1 stop9h 20m

$262

San DiegoToronto

SAN - YYZ

SANYYZ

San Diego

Fri 6/6

2:05 pm-5:51 am

2 stops12h 46m

Toronto Pearson Intl

Thu 6/12

6:30 am-1:20 pm

1 stop9h 50m

$263

San DiegoOttawa

SAN - YOW

SANYOW

San Diego

Thu 1/30

5:01 pm-4:45 pm

1 stop20h 44m

Ottawa

Mon 2/3

6:10 pm-12:55 pm

1 stop21h 45m

$271

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Mon 5/5

8:10 am-4:37 pm

Nonstop5h 27m

Montreal Pierre Elliott Trudeau Intl

Mon 5/5

8:00 pm-9:20 am

1 stop16h 20m

$272

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Wed 6/18

1:15 pm-12:37 am

1 stop8h 22m

Montreal Pierre Elliott Trudeau Intl

Tue 6/24

7:00 am-1:20 pm

1 stop9h 20m

$278

San DiegoToronto

SAN - YTZ

SANYTZ

San Diego

Wed 3/19

8:07 pm-9:30 pm

2 stops22h 23m

Toronto Island

Wed 3/26

4:10 pm-11:45 pm

2 stops10h 35m

$289

San DiegoMontreal

SAN - YUL

SANYUL

San Diego

Thu 6/19

1:00 pm-6:58 am

1 stop14h 58m

Montreal Pierre Elliott Trudeau Intl

Tue 6/24

7:00 am-1:20 pm

1 stop9h 20m

$290

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

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 $243). 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 January 17, 2025.

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.

Weekly flight availability from San Diego to Region of Ontario

Explore weekly flight availability from San Diego to Ontario. 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 January 17, 2025.

The most flights from SAN to CAON are scheduled on a Monday (4 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (2 on average).

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 January 17, 2025.
Read through reviews of airlines operating flights from San Diego to Ontario, such as United Airlines, Delta and Porter Airlines. 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.
8.0
Very good
9,681 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
9,681 reviews
8.0
Very good
9,681 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

8.0
Very good
8,511 reviews
8.0
Very good
9,681 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.9
Good
276 reviews
8.0
Very good
9,681 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.8
Good
381 reviews
8.0
Very good
9,681 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

7.4
Good
8,965 reviews
8.0
Very good
9,681 reviews

Food

7.1

Entertainment

7.1

Crew

8.5

Boarding

8.2

Overall

8.0

Comfort

7.9

Reviews

1 / 10

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 $110 on WestJet. Other airlines that offer cheap prices include Porter Airlines from $112 and Air Canada from $129 one-way.

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

  • What are the most reliable airlines from San Diego to Region of Ontario?

    No one likes to see their flight delayed. When booking a flight from San Diego to Region of Ontario consider choosing Porter Airlines (43%), Air Transat (43%) or Air Canada (40%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $702 for a flight from San Diego to Region of Ontario. The cheapest flight overall is $95 while the most popular route, (San Diego - Toronto Pearson Intl) is currently priced at $219.

  • 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 $243). 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.

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.

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 2,558,603 searches. Data last updated January 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$116Average$410FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$226Average$680FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$230Average$630FlexibilityNo cancel feeOn-time69%
DeltaCheapest$317Average$646FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$410Average$609FlexibilityNo cancel feeOn-time71%
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