HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Diego

$181+ Cheap flights from Toronto (YTO) 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 10/18. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SAN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Toronto to San Diego with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Toronto to San Diego are usually found in April or February, booked 69 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Toronto to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Toronto (YTO) 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 September 15, 2025.

Round-trip from

$272
(Kiwi.com)

One-way from

$181
(Trip.com)

Popular in

December

Cheapest in

April

Average price

$377

Good round-trip deal

$275 or less

Good one-way deal

$162 or less
From Toronto (YTO) to San Diego
Search Deals
One-way flight from Toronto (YTO) to San Diego
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to San Diego.
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to San Diego.
Search Deals

Find flight deals from Toronto to San Diego

Cheapest flights from Toronto to San Diego
Explore the most affordable flight options available from Toronto to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/13. 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 10/811:00 amYYZ - SAN
2 stops13h 20mMultiple Airlines
Sat 10/118:00 amSAN - YYZ
2 stops19h 12mMultiple Airlines
Deal found 9/13$276
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/309:45 amYYZ - SAN
1 stop9h 35mMultiple Airlines
Sat 11/85:00 pmSAN - YYZ
1 stop10h 20mMultiple Airlines
Deal found 9/13$277
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/289:35 amYYZ - SAN
1 stop9h 45mMultiple Airlines
Sun 11/210:09 pmSAN - YYZ
1 stop19h 23mMultiple Airlines
Deal found 9/14$279
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/159:30 amYYZ - SAN
1 stop14h 50mMultiple Airlines
Tue 10/218:00 amSAN - YYZ
2 stops11h 52mMultiple Airlines
Deal found 9/13$280
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:00 amYYZ - SAN
2 stops14h 20mMultiple Airlines
Sat 10/182:05 pmSAN - YYZ
1 stop13h 07mMultiple Airlines
Deal found 9/14$281
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/138:05 pmYYZ - SAN
1 stop28h 15mMultiple Airlines
Thu 10/166:25 amSAN - YYZ
1 stop10h 20mMultiple Airlines
Deal found 9/14$282
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/710:00 amYYZ - SAN
2 stops14h 20mMultiple Airlines
Fri 10/172:05 pmSAN - YYZ
1 stop13h 47mMultiple Airlines
Deal found 9/14$283
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/810:00 amYYZ - SAN
2 stops14h 20mMultiple Airlines
Sat 10/182:05 pmSAN - YYZ
1 stop13h 07mMultiple Airlines
Deal found 9/14$285
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/810:00 amYYZ - SAN
2 stops14h 20mMultiple Airlines
Fri 10/172:05 pmSAN - YYZ
1 stop13h 47mMultiple Airlines
Deal found 9/13$286
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/317:55 pmYYZ - SAN
1 stop15h 45mMultiple Airlines
Thu 11/133:59 pmSAN - YYZ
1 stop11h 21mMultiple Airlines
Deal found 9/13$287
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/178:05 pmYYZ - SAN
1 stop15h 10mMultiple Airlines
Wed 10/228:00 amSAN - YYZ
1 stop8h 58mMultiple Airlines
Deal found 9/13$288
This WestJet deal was found by Cheapflights users on 9/14. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/166:10 pmYHM - SAN
1 stop20h 35mWestJet
Wed 1/712:35 pmSAN - YHM
1 stop25h 42mWestJet
Deal found 9/14$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Toronto to San Diego that are best for you.

Fly from

Toronto

Fly to

San Diego

Route

Depart

Return

Price

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 2/7

7:00 pm-11:47 am

1 stop19h 47m

San Diego

Fri 2/13

12:35 pm-5:29 am

1 stop13h 54m

$295

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 3/14

7:00 pm-11:47 am

1 stop19h 47m

San Diego

Mon 3/23

12:35 pm-5:29 am

1 stop13h 54m

$316

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 1/29

6:10 pm-11:45 am

1 stop20h 35m

San Diego

Sun 2/1

12:35 pm-5:16 pm

1 stop25h 41m

$333

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sun 11/16

6:10 pm-11:45 am

1 stop20h 35m

San Diego

Wed 1/7

12:35 pm-5:17 pm

1 stop25h 42m

$354

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 11/20

6:10 pm-11:45 am

1 stop20h 35m

San Diego

Wed 1/7

12:35 pm-5:17 pm

1 stop25h 42m

$354

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 3/14

7:00 pm-11:47 am

1 stop19h 47m

San Diego

Fri 3/20

12:35 pm-5:29 am

1 stop13h 54m

$360

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 1/24

7:00 pm-11:45 am

1 stop19h 45m

San Diego

Wed 2/4

12:35 pm-5:29 am

1 stop13h 54m

$360

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 3/14

7:00 pm-11:47 am

1 stop19h 47m

San Diego

Wed 3/25

12:35 pm-5:29 am

1 stop13h 54m

$360

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 1/24

7:00 pm-11:45 am

1 stop19h 45m

San Diego

Fri 1/30

12:35 pm-5:28 am

1 stop13h 53m

$360

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 12/5

9:00 pm-9:40 am

1 stop15h 40m

San Diego

Wed 12/17

12:25 pm-8:16 pm

Nonstop4h 51m

$372

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

Showing 1-10 of 60 results
1
2
3
...
6

The best insider tips for Toronto to San Diego flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Toronto to San Diego trip
Airports
YYZ

Toronto Pearson offers fast and reliable Wi-Fi throughout the airport, perfect for staying connected on long travel days.

Read more about YYZby Kaitlyn McInnis
SAN

For a wallet-friendly option, take the free San Diego Flyer shuttle between SAN and Old Town Transit Center every 20-30 minutes.

Read more about SANby Blane Bachelor
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on SAN

Blane Bachelor

Blane Bachelor

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Kaitlyn McInnis

Kaitlyn McInnis

Expert on YYZ

Kaitlyn McInnis

Kaitlyn McInnis

Kaitlyn is a guidebook author and travel writer splitting her time between Atlantic Canada and Istanbul, Türkiye. She has visited over fifty countries and all seven continents, so she is very familiar with many hotels, airports and airlines around the globe. But her favorite type of vacation is sunbathing by the sea with a good book in hand.

Read more

Best time to book a flight from Toronto to San Diego

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

Cheapflights Insights

Everything you need to know about your flight from Toronto to San Diego

How far ahead should I book a flight from Toronto to San Diego?

Use this chart to determine the optimal time to book a round-trip flight from Toronto to San Diego. Price data was last updated on September 12, 2025.

Booking 69 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto to San Diego. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Toronto to San Diego?

Currently, August is the cheapest month in which you can book a flight from Toronto to San Diego (average of $286). Flying from Toronto to San Diego in March is currently the most expensive (average of $366). 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 YTO to SAN?

Find hourly flight availability from Toronto 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 September 15, 2025.

One of the essential ways to save on airfare from Toronto to San Diego is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 51% on airfare.

Weekly flight availability from Toronto to San Diego

Explore weekly flight availability from Toronto 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 September 15, 2025.

The most flights from YTO 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).

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 September 15, 2025.
Get a feel of what it's like to fly with Delta, Porter Airlines, and United Airlines from Toronto to San Diego by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Porter Airlines
7.9
Good
363 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Toronto 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 Toronto?

    San Diego (SAN) is the airport you will fly into if you book a flight from Toronto to San Diego. You should not have trouble finding flights to San Diego from Toronto; the airport handles an average of 2 inbound flights from Toronto per day. You should also have plenty of airline options to choose from since 5 airlines have flights to the San Diego airport from Toronto. It is only a 2.6 mi journey from San Diego (SAN) to San Diego’s city center.

  • How long is the flight from Toronto to San Diego?

    For as low as $380, WestJet can have you in San Diego from Toronto in 7h 50m. The distance between Toronto and San Diego is about 2153 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Toronto to San Diego round-trip?

    Porter Airlines, at $116, was found to be the cheapest airline from Toronto to San Diego.Alternate airlines to your destination round-trip include Air Canada and Air Transat. Porter Airlines is priced at 67% lower than the current average price of a flight leaving 3 months from now.

  • What are the most popular routes from Toronto to San Diego?

    While some choose either Toronto Island - San Diego or Hamilton - San Diego, Toronto Pearson Intl - San Diego is the most popular route from Toronto to San Diego.

  • What are the most reliable airlines from Toronto to San Diego?

    The top 3 most reliable airlines when flying from Toronto to San Diego are Air Canada Rouge (100%), Air Canada (91%) and United Airlines (82%).

  • What are the cheapest flights from Toronto to San Diego?

    Looking for the cheapest flight from Toronto to San Diego? While on average our users pay $486, our data indicates the cheapest price to be $191. The most popular route (Toronto Pearson Intl - San Diego), is priced around $208.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Toronto 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 Toronto to San Diego?

    Currently, August is the cheapest month in which you can book a flight from Toronto to San Diego (average of $286). Flying from Toronto to San Diego in March is currently the most expensive (average of $366). 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

Traveling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
Chula Vista
La Mesa
Poway
Lemon Grove
Coronado
Imperial Beach
National City
Alpine

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Toronto to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
Pearson Intl to Las Vegas flights
Pearson Intl to Los Angeles flights
Pearson Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to San Diego flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pearson Intl to Santa Ana flights
Toronto Island to San Francisco flights
Pearson Intl to Ontario flights
Pierre Elliott Trudeau Intl to San Diego flights
Pearson Intl to San Jose flights
Pearson Intl to Sacramento flights
Pearson Intl to Palm Springs flights
Toronto Island to Los Angeles flights
Hamilton to Las Vegas flights
Ottawa to Las Vegas flights
Hamilton to San Francisco flights
Region of Waterloo Intl to Las Vegas flights
Toronto Island to San Diego flights
Pierre Elliott Trudeau Intl to Ontario flights
Pearson Intl to Fresno flights
Region of Waterloo Intl to San Francisco flights
Hamilton to Los Angeles flights
Ottawa to San Francisco flights
Ottawa to Los Angeles flights
Pearson Intl to Burbank flights
Pierre Elliott Trudeau Intl to Sacramento flights
Pierre Elliott Trudeau Intl to Santa Ana flights
Pierre Elliott Trudeau Intl to San Jose flights
Pearson Intl to Reno flights
Hamilton to Sacramento flights
Hamilton to Santa Ana flights
Region of Waterloo Intl to San Jose flights
Pearson Intl to Oakland flights
Pierre Elliott Trudeau Intl to Reno flights
Region of Waterloo Intl to Sacramento flights
Ottawa to San Diego flights
London to Las Vegas flights
Hamilton to San Diego flights
Pierre Elliott Trudeau Intl to Palm Springs flights
London to Los Angeles flights
Region of Waterloo Intl to Santa Ana flights
Ottawa to Burbank flights
Ottawa to Ontario flights
Ottawa to Santa Ana flights

Top 5 airlines flying from Toronto to San Diego

Discover the top 5 airlines that operate flights from Toronto 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 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$116Average$282FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$198Average$480FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$234Average$340FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$236Average$367FlexibilityNo cancel feeOn-time69%
DeltaCheapest$264Average$333FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.