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$164+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — SAN
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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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 Wednesday or Friday 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 July 30, 2025.

Round-trip from

$284
(KAYAK)

One-way from

$164
(Air Canada)

Popular in

September

Cheapest in

April

Average price

$428

Good round-trip deal

$423 or less

Good one-way deal

$246 or less
From Toronto (YTO) to San Diego
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One-way flight from Toronto (YTO) to San Diego
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Highest demand for flights based on searches. 15% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Toronto (YTO) to San Diego.
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Price to beat on a one-way flight from Toronto (YTO) to San Diego.
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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 July 30, 2025.

This KAYAK deal was found by Cheapflights users on 7/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:00 amYKF - SAN
1 stop10h 20mWestJet
Thu 8/2811:15 amSAN - YKF
1 stop10h 31mWestJet
Deal found 7/28$284
This Kiwi.com deal was found by Cheapflights users on 7/29. 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 9/107:45 pmYYZ - SAN
2 stops25h 57mMultiple Airlines
Wed 9/176:15 amSAN - YYZ
1 stop10h 30mMultiple Airlines
Deal found 7/29$284
This KAYAK deal was found by Cheapflights users on 7/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:30 amYYZ - SAN
1 stop9h 50mWestJet
Sun 8/2411:15 amSAN - YYZ
1 stop10h 09mWestJet
Deal found 7/28$287
This Air Canada deal was found by Cheapflights users on 7/29. 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 9/189:20 amYYZ - SAN
Nonstop5h 11mAir Canada
Mon 9/2212:25 pmSAN - YYZ
Nonstop4h 55mAir Canada
Deal found 7/29$289
This Trip.com deal was found by Cheapflights users on 7/29. 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.
Sat 8/236:00 amYHM - SAN
1 stop10h 20mWestJet
Thu 8/2811:15 amSAN - YHM
1 stop10h 26mWestJet
Deal found 7/29$296
This United Airlines deal was found by Cheapflights users on 7/27. 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 8/297:00 amYYZ - SAN
1 stop7h 40mUnited Airlines
Fri 9/59:45 pmSAN - YYZ
1 stop9h 19mUnited Airlines
Deal found 7/27$315
This Delta deal was found by Cheapflights users on 7/30. 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 8/215:43 pmYYZ - SAN
1 stop8h 59mDelta
Mon 8/2510:30 pmSAN - YYZ
1 stop8h 53mDelta
Deal found 7/30$336
This Air Canada deal was found by Cheapflights users on 7/28. 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 9/1112:25 pmYTZ - SAN
1 stop10h 10mAir Canada
Tue 9/168:10 amSAN - YTZ
1 stop10h 24mAir Canada
Deal found 7/28$366
This Mytrip deal was found by Cheapflights users on 7/29. 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 8/206:00 amYHM - SAN
3 stops28h 21mMultiple Airlines
Sun 8/2411:15 amSAN - YHM
1 stop10h 26mMultiple Airlines
Deal found 7/29$371
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sun 11/99:15 amYTZ - SAN
1 stop11h 04mMultiple Airlines
Wed 11/125:49 pmSAN - YTZ
1 stop16h 53mMultiple Airlines
Deal found 7/28$379
This Mytrip deal was found by Cheapflights users on 7/28. 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.
Sun 8/316:00 amYKF - SAN
1 stop10h 20mMultiple Airlines
Sat 9/62:05 pmSAN - YKF
2 stops12h 25mMultiple Airlines
Deal found 7/28$380

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 July 30, 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

Mon 8/25

6:00 am-1:20 pm

1 stop10h 20m

San Diego

Thu 8/28

11:15 am-12:46 am

1 stop10h 31m

$284

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 9/10

7:45 pm-6:42 pm

2 stops25h 57m

San Diego

Wed 9/17

6:15 am-7:45 pm

1 stop10h 30m

$284

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 8/22

6:30 am-1:20 pm

1 stop9h 50m

San Diego

Sun 8/24

11:15 am-12:24 am

1 stop10h 09m

$287

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Thu 9/18

9:20 am-11:31 am

Nonstop5h 11m

San Diego

Mon 9/22

12:25 pm-8:20 pm

Nonstop4h 55m

$289

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Sat 8/23

6:00 am-1:20 pm

1 stop10h 20m

San Diego

Thu 8/28

11:15 am-12:41 am

1 stop10h 26m

$296

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 8/29

7:00 am-11:40 am

1 stop7h 40m

San Diego

Fri 9/5

9:45 pm-10:04 am

1 stop9h 19m

$315

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Thu 8/21

5:43 pm-11:42 pm

1 stop8h 59m

San Diego

Mon 8/25

10:30 pm-10:23 am

1 stop8h 53m

$336

TorontoSan Diego

YTZ - SAN

YTZSAN

Toronto Island

Thu 9/11

12:25 pm-7:35 pm

1 stop10h 10m

San Diego

Tue 9/16

8:10 am-9:34 pm

1 stop10h 24m

$366

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Wed 8/20

6:00 am-7:21 am

3 stops28h 21m

San Diego

Sun 8/24

11:15 am-12:41 am

1 stop10h 26m

$371

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 8/31

6:00 am-1:20 pm

1 stop10h 20m

San Diego

Sat 9/6

2:05 pm-5:30 am

2 stops12h 25m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 22 results
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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 July 25, 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 July 30, 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.

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 July 30, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta, 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Boarding

8.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 1 inbound flight 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.

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

    WestJet, at $284, was found to be the cheapest airline from Toronto to San Diego.Alternate airlines to your destination round-trip include Air Canada and United Airlines. WestJet is priced at 24% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Toronto to San Diego one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $164. WestJet flights start at $165 while deals on American Airlines start at $186 one-way.

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

    While some choose either Toronto Island - San Diego or Toronto Region of Waterloo Intl - 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 Porter Airlines (92%), Air Transat (92%) and Air Canada (80%).

  • 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 $502, our data indicates the cheapest price to be $158. The most popular route (Toronto Pearson Intl - San Diego), is priced around $245.

  • 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
Coronado
Poway
National City
Lemon Grove
Imperial Beach
La Mesa
Alpine

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Toronto 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 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$116Average$282FlexibilityNo cancel feeOn-time52%
Air CanadaCheapest$201Average$479FlexibilityNo cancel feeOn-time67%
Air TransatCheapest$234Average$340FlexibilityNo cancel feeOn-time50%
United AirlinesCheapest$252Average$417FlexibilityNo cancel feeOn-time69%
DeltaCheapest$267Average$396FlexibilityNo cancel feeOn-timeN/A

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