C$ 311+ Cheap flights to San Diego

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
— SAN
21 Aug — 28 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to San Diego in 2026

Enter your travel dates to find the best prices.

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 22 July 2026.

Fri 20/112:30 p.m.
YYZ
-
SAN
2 stops25h 10m
WestJet
Mon 23/1112:35 p.m.
SAN
-
YYZ
2 stops24h 48m
WestJet
Deal found 19/7C$ 521
Mon 26/109:30 a.m.
YYZ
-
SAN
1 stop9h 08m
Multiple Airlines
Wed 28/1012:35 p.m.
SAN
-
YYZ
1 stop8h 58m
Multiple Airlines
Deal found 17/7C$ 524
Tue 25/87:00 a.m.
YYZ
-
SAN
1 stop10h 10m
WestJet
Thu 15/103:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 19/7C$ 527
Mon 23/1110:15 p.m.
YYZ
-
SAN
2 stops39h 30m
WestJet
Mon 30/1112:35 p.m.
SAN
-
YYZ
1 stop13h 38m
WestJet
Deal found 17/7C$ 528
Thu 3/99:30 a.m.
YYZ
-
SAN
1 stop17h 14m
Multiple Airlines
Wed 9/96:25 a.m.
SAN
-
YYZ
2 stops36h 30m
Multiple Airlines
Deal found 17/7C$ 530
Tue 1/93:50 p.m.
YYZ
-
SAN
2 stops26h 00m
Multiple Airlines
Wed 9/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
Multiple Airlines
Deal found 19/7C$ 534
Fri 25/98:00 a.m.
YYZ
-
SAN
1 stop9h 10m
WestJet
Tue 29/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 20/7C$ 538
Wed 2/98:00 a.m.
YYZ
-
SAN
1 stop9h 10m
WestJet
Wed 9/93:30 p.m.
SAN
-
YYZ
1 stop11h 15m
WestJet
Deal found 18/7C$ 542
Thu 3/98:40 p.m.
YKF
-
SAN
3 stops22h 30m
Multiple Airlines
Wed 9/94:55 p.m.
SAN
-
YKF
2 stops19h 05m
Multiple Airlines
Deal found 17/7C$ 559
Tue 1/98:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Thu 10/93:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 17/7C$ 562
Wed 2/96:10 p.m.
YHM
-
SAN
1 stop23h 00m
WestJet
Wed 9/93:30 p.m.
SAN
-
YHM
1 stop22h 45m
WestJet
Deal found 19/7C$ 576
Tue 25/88:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Thu 15/103:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 19/7C$ 580

Find flight deals to San Diego

Find the latest flights to San Diego in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 22 July 2026.

Round-trip from

C$ 521

One-way from

C$ 311

Popular in

March

Cheapest in

April

Average price

C$ 721

Good round-trip deal

C$ 696 or less

Good one-way deal

C$ 418 or less
WestJet
  • WestJet
  • 20/11-23/11
  • 4 total stops
  • 49h 58m total
  • Toronto to San Diego
WestJet
  • WestJet
  • 28/9
  • 1 total stop
  • 23h 00m total
  • Toronto to San Diego
Highest demand for flights based on searches. 2% potential increase in price (C$ 16 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 15 potential savings vs. average RT price).
Average for round-trip flights in July 2026
Price to beat on a round-trip flight from Toronto to San Diego.
Price to beat on a one-way flight from Toronto to San Diego.

Cheapflights Fare Finder

 
Locate flights to San Diego that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 22 July 2026.
Use the filters below to find and compare flights to San Diego that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Thu 3/9

8:40 p.m.-4:10 p.m.

3 stops22h 30m

San Diego

Wed 9/9

4:55 p.m.-3:00 p.m.

2 stops19h 05m

C$ 559

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 1/9

8:40 p.m.-2:10 p.m.

1 stop20h 30m

San Diego

Thu 10/9

3:30 p.m.-7:50 p.m.

1 stop25h 20m

C$ 562

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Thu 3/9

6:10 p.m.-11:53 a.m.

2 stops20h 43m

San Diego

Wed 9/9

4:55 p.m.-5:15 p.m.

2 stops21h 20m

C$ 614

TorontoSan Diego

YYZ - SAN

YYZSAN

Toronto Pearson Intl

Fri 6/11

5:49 p.m.-10:30 p.m.

1 stop7h 41m

San Diego

Sun 8/11

10:00 p.m.-9:01 a.m.

1 stop8h 01m

C$ 624

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Thu 24/9

8:40 p.m.-2:10 p.m.

1 stop20h 30m

San Diego

Tue 29/9

3:30 p.m.-7:50 p.m.

1 stop25h 20m

C$ 631

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 8/9

8:40 p.m.-2:10 p.m.

1 stop20h 30m

San Diego

Fri 11/9

3:30 p.m.-7:50 p.m.

1 stop25h 20m

C$ 631

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Tue 25/8

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Mon 31/8

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 638

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 4/10

8:40 p.m.-2:10 p.m.

1 stop20h 30m

San Diego

Thu 8/10

3:30 p.m.-7:50 p.m.

1 stop25h 20m

C$ 645

HamiltonSan Diego

YHM - SAN

YHMSAN

Hamilton

Tue 1/9

6:10 p.m.-2:10 p.m.

1 stop23h 00m

San Diego

Fri 4/9

3:30 p.m.-5:15 p.m.

1 stop22h 45m

C$ 652

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 18/8

8:40 p.m.-2:10 p.m.

1 stop20h 30m

San Diego

Thu 20/8

3:30 p.m.-7:50 p.m.

1 stop25h 20m

C$ 653

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/7

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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 Insights

Everything you need to know about your flight to San Diego

How long is the flight to San Diego?

On average, a flight from Toronto to San Diego takes 10 hours 7 minutes. Flights to San Diego from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

What are the cheapest airlines that fly to San Diego?

The cheapest airlines flying from Toronto to San Diego are Delta, Air Canada and United Airlines.

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 - 58.0 mm per month. February is typically the wettest month, when rainfall can reach 58.0 mm. July is typically the driest time to visit San Diego when rainfall is around 0.0 mm.

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 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).

When is the best time to book a flight to San Diego?

The best time to book flights to San Diego is 78 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 22 July 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andWestJet 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.

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

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

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

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

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

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

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

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

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

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

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Food

7.2

Overall

7.8

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

FAQs about flying to San Diego

San Diego climate

San Diego enjoys a Mediterranean-style climate with mild sunny weather throughout the year. Winter temperatures range from about 14 degrees Celsius (57 degrees Fahrenheit) in January to 22 degrees (72F) in July. Late summer and early fall are the hottest times of the year. “May gray” in May and “June gloom” in June is when cloudy conditions, sometimes occur in the mornings, but usually burn off by midday.

Getting around San Diego

Like much of Southern California, the easiest way to get around San Diego is by car. You can find several rental car companies at the airport. Bus tickets are cheap and the trolley system is a great way to get around downtown or to nearby Tijuana. The Blue Line can take you through Old Town before crossing the border into Mexico. Tickets cost a few dollars and last for two hours. 

What is good to know if travelling to San Diego?

  • The Horton Plaza Mall is next to the Gaslamp Quarter. Its architecture is a tourist attraction in itself. Painted in sun-bright colours, it is full of nooks and crannies with a good mix of stores such as Macy’s and Nordstrom as well as cool boutiques.
  • Each winter season, the popular holiday production of Dr. Seuss’s How the Grinch Stole Christmas is staged at the Old Globe Theatre.
  • The Hotel del Coronado is a grande-dame hotel situated on the best beaches of San Diego. Built in 1888, the Del has classic Victorian red roofs, white woodwork board and wonderful chandelier-strewn dining rooms. It was designated a National Historic Landmark in 1977. It’s a favourite for weddings, family vacations and business conferences.
  • The Maritime Museum’s biggest draw is the Star of India, launched in 1863 on the Isle of Man to bring immigrants to the U.S., and now the oldest ship in the world with a regular sailing schedule.
  • Most travellers bound for San Diego, will fly to Los Angeles International and negotiate the Interstate 5 for a couple of hours. Seeking direct cheap flights to San Diego will ensure a calmer start to the vacation.
  • Mexico is just a $2 tram ride away. Take the blue-line trolley to San Ysidro. Trolleys run at regular intervals seven days a week from early morning to past midnight. To get back in to the United States Canadian and US citizens must present either their passport or a government-issued photo ID plus proof of citizenship.

San Diego airport overview

Sometimes referred to as Lindbergh Field, San Diego International Airport (SAN) is located 3 miles (4.8 km) north-west of the centre of the city of San Diego, at the southern tip of California.

It is the United States’ busiest single runway commercial airport, handling around 18 million passengers per year. As it’s situated within a highly populated suburban area, departures are only permitted between 6:30am and 11:30pm.

San Diego International has three terminals: Terminals 1 and 2 and the Commuter Terminal. All international arrivals are handled by Terminal 2, while the Commuter Terminal services flights between San Diego and Los Angeles International Airport. The airport is relatively easy to navigate and flights are generally punctual during most of the year, however delays are common in autumn and winter when visibility is low (thanks to the mighty Santa Ana winds that sweep through the region).

Despite having only one runway, San Diego International manages to keep up with the number of passengers frequenting its terminals each year. It’s a small and clean airport with helpful staff and sufficient amenities.

  • When is the best time to fly to San Diego?

    The Mediterranean climate ensures that there is no bad time to take cheap flights to San Diego. Peak Season:If basking on the beach is your aim, summer is the best time to visit. For sight-seeing and for the museums and galleries, fall, winter and spring are all good times to go as crowds are thinner. Off Season:Low season runs November to January. Shoulder Season:February to May and September to October.

  • What airport do you fly into for flights to San Diego?

    For a flight to San Diego, you will be flying into San Diego. San Diego (SAN) is just 4.2 km from the centre of the city. Booking flights from Toronto to San Diego should be relatively easy as there is 1 daily flight from 5 different airlines.

  • Can I find cheaper flights to San Diego if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to San Diego on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to San Diego?

    Based on reviews from Cheapflights users, Delta is rated the highest out of the airlines that fly to San Diego.

  • What is the cheapest airport to fly to in San Diego?

    San Diego is currently the cheapest airport to fly to in San Diego. One-way flights to San Diego typically cost C$ 77, while round-trip flights cost around C$ 194.

  • How much is a round-trip flight to San Diego?

    A round-trip flight to San Diego will typically cost around C$ 446, however they can be found for as little as C$ 194.

  • Where does the fastest flight to San Diego depart from?

    For those looking to save time traveling to San Diego, Vancouver offers the quickest one-way flight (1 hour 59 minutes).

  • Does San Diego have rental cars?

    Yes. Those touching down at San Diego can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to San Diego?

    Yes. San Diego has hotels nearby for those requiring accommodations. Sheraton San Diego Resort is the closest property to San Diego (0.0 km away from San Diego).

See more FAQs

Travelling to a place near San Diego?

Book flights to San Diego if you plan to visit one of these locations
El Cajon
La Mesa
Borrego Springs

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