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C$ 287+ Direct flights to San Diego

This is the cheapest price on a non-stop flight to San Diego found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Find flight deals to San Diego

Cheapest flights to San Diego
Explore the most affordable flight options available to San Diego. Find the lowest fares based on data from user searches, with prices last updated on 16 September 2025.

Sun 16/119:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Tue 6/112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 14/9C$ 493
Sun 2/119:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Sat 8/1112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 15/9C$ 495
Fri 5/128:50 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Wed 17/1212:15 p.m.SAN - YYZ
Nonstop4h 50mAir Canada
Deal found 15/9C$ 504
Fri 14/119:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Mon 17/1112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 15/9C$ 506
Tue 28/109:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Sun 2/1112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 14/9C$ 508
Tue 11/119:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Fri 14/1112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 14/9C$ 518
Mon 5/19:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Fri 9/112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 14/9C$ 521
Wed 12/119:00 a.m.YYZ - SAN
Nonstop5h 38mAir Canada
Sun 16/1112:25 p.m.SAN - YYZ
Nonstop4h 51mAir Canada
Deal found 16/9C$ 529
Sun 16/119:00 a.m.YYZ - SAN
Nonstop5h 38mUnited Airlines
Sat 3/112:25 p.m.SAN - YYZ
Nonstop4h 51mUnited Airlines
Deal found 14/9C$ 583
Tue 18/119:00 a.m.YYZ - SAN
Nonstop5h 38mUnited Airlines
Tue 6/112:25 p.m.SAN - YYZ
Nonstop4h 51mUnited Airlines
Deal found 14/9C$ 601
Sun 2/119:00 a.m.YYZ - SAN
Nonstop5h 38mUnited Airlines
Sat 8/1112:25 p.m.SAN - YYZ
Nonstop4h 51mUnited Airlines
Deal found 13/9C$ 602

Best time to book a flight to San Diego

Have a flexible travel schedule? Discover the best time to fly to 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.

Cheapflights Fare Finder

 
Use the slider to find non-stop flights to San Diego within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 629,999 searches and data was last updated on 16 September 2025.
Use the filters below to find and compare direct flights to San Diego that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Tue 25/11

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sun 7/12

12:15 p.m.-8:05 p.m.

Nonstop4h 50m

C$ 504

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 5/12

8:50 a.m.-11:28 a.m.

Nonstop5h 38m

San Diego

Wed 17/12

12:15 p.m.-8:05 p.m.

Nonstop4h 50m

C$ 504

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Tue 28/10

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sun 2/11

12:25 p.m.-8:16 p.m.

Nonstop4h 51m

C$ 508

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Thu 29/1

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sun 1/2

12:25 p.m.-8:16 p.m.

Nonstop4h 51m

C$ 518

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Wed 12/11

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sun 16/11

12:25 p.m.-8:16 p.m.

Nonstop4h 51m

C$ 529

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 21/11

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sat 3/1

12:25 p.m.-8:16 p.m.

Nonstop4h 51m

C$ 583

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sat 22/11

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sat 3/1

12:25 p.m.-8:16 p.m.

Nonstop4h 51m

C$ 583

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sun 2/11

9:00 a.m.-11:38 a.m.

Nonstop5h 38m

San Diego

Sat 8/11

12:25 p.m.-8:16 p.m.

Nonstop4h 51m

C$ 602

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Mon 12/1

8:50 a.m.-11:28 a.m.

Nonstop5h 38m

C$ 287

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Sat 10/1

8:50 a.m.-11:28 a.m.

Nonstop5h 38m

C$ 287

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Showing 1-10 of 19 results
1
2

Reviews of airlines flying non-stop to San Diego

Get insights into the airlines that provide direct flights 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 16 September 2025.
Get a feel of what it's like to fly with Porter Airlines,Air Transat, andUnited Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,924 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,093 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews
Check prices

Food

7.6

Comfort

7.9

Entertainment

7.0

Boarding

8.1

Overall

7.9

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

Temperature and rainfall in San Diego by month

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

SAN

Temperature

14 - 22 °C

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 22.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

FAQ about direct flights to San Diego

Find answers to frequently asked questions about direct flights to San Diego to unlock the best deals on Cheapflights.

  • How much are direct flights to San Diego?

    On average, a one-way direct flight to San Diego will cost users approximately C$ 318. If you're looking for a direct round-trip flight to San Diego, you can expect to pay around C$ 514.

  • Which airlines fly direct to San Diego?

    At the moment, Air Canada, WestJet, United Airlines, Porter Airlines, Delta, American Airlines, Air Transat, Alaska Airlines offer direct flights to San Diego. Air Canada is currently the most popular airline that flies direct to San Diego.

  • How long is a direct flight to San Diego?

    While the flight duration depends heavily on the origin, travellers can expect non-stop flights to San Diego to last approximately 3h 50m on average. The quickest direct flight to San Diego at this time departs from Vancouver Intl Airport (2h 59m), while the longest leaves from Toronto Pearson Intl Airport (5h 11m).

  • What is the best time of year to fly direct to San Diego?

    If you're seeking the lowest price on a direct flight to San Diego, May is worth consideration, as prices are usually at their lowest, on average. September may be most appealing to users looking for the quietest time to visit San Diego, when demand is typically at its lowest.

  • What is the most popular direct flight origin to San Diego?

    Currently, the most popular direct flight origin to San Diego is Toronto Pearson Intl Airport. A round-trip direct flight from Toronto Pearson Intl Airport to San Diego typically costs around C$ 475.

See more FAQs

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