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.

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).

What is the cheapest time of day to fly from YKF to SAN?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto Region of Waterloo Intl Airport to San Diego as you normally would.

What airport do you fly into for flights to San Diego from Toronto Region of Waterloo Intl?

Located just 4.2 km from the city centre, San Diego is the airport most travellers will use when flying to San Diego from Toronto Region of Waterloo Intl. Booking flights from Toronto Region of Waterloo Intl to San Diego (SAN) should be relatively easy as there are 0 daily inbound flights from Toronto Region of Waterloo Intl from 0 different airlines.

Can I find deals for flights from Region of Waterloo Intl to San Diego that include hotel bookings?

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

How can I find direct flights from Region of Waterloo Intl to San Diego?

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

Can I find deals for business class flights from Region of Waterloo Intl to San Diego?

Yes. Cheapflights offers flight deals from Region of Waterloo Intl 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.

C$ 478+ Cheap Flights from Toronto Region of Waterloo Intl Airport to San Diego

Cheap flight deals from Region of Waterloo Intl to San Diego

Enter your travel dates to find the best prices.

One-way

One-way flights from Region of Waterloo Intl to San Diego
Search for one-way flight options from Region of Waterloo Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Sat 21/117:00 p.m. -

1 stop20h 40m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 16/10C$ 478

Sat 28/117:00 p.m. -

2 stops44h 07m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 14/10C$ 534

Tue 15/125:30 p.m. -

3 stops22h 10m

Wed 31/1212:00 a.m. -

Nonstop0h 00m

Deal found 15/10C$ 564

Find flight deals from Region of Waterloo Intl to San Diego

Popular in	August
Cheapest in	April
Average price	C$ 810

Highest demand for flights based on searches. 10% potential increase in price (C$ 114 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to San Diego that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

TorontoSan Diego

YKF Toronto Region of Waterloo Intl - SAN San Diego

YKFSAN

Toronto Region of Waterloo Intl

Sat 21/11

7:00 p.m.-12:40 p.m.

1 stop20h 40m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 478

TorontoSan Diego

YKF Toronto Region of Waterloo Intl - SAN San Diego

YKFSAN

Toronto Region of Waterloo Intl

Sat 28/11

7:00 p.m.-12:07 p.m.

2 stops44h 07m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 534

TorontoSan Diego

YKF Toronto Region of Waterloo Intl - SAN San Diego

YKFSAN

Toronto Region of Waterloo Intl

Tue 15/12

5:30 p.m.-12:40 p.m.

3 stops22h 10m

San Diego

Wed 31/12

12:00 a.m.-3:00 a.m.

Nonstop0h 00m

C$ 564

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/10

Sorted by cheapest first

Best time to book a flight from Region of Waterloo Intl to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Region of Waterloo Intl with our price prediction graph.

YKF-SAN

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.

Related info for your journey

What airport do you fly into for flights to San Diego from Toronto Region of Waterloo Intl?
Located just 4.2 km from the city centre, San Diego is the airport most travellers will use when flying to San Diego from Toronto Region of Waterloo Intl. Booking flights from Toronto Region of Waterloo Intl to San Diego (SAN) should be relatively easy as there are 0 daily inbound flights from Toronto Region of Waterloo Intl from 0 different airlines.
Can I find deals for flights from Region of Waterloo Intl to San Diego that include hotel bookings?
Yes. In addition to deals on Region of Waterloo Intl to San Diego flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Region of Waterloo Intl to San Diego?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Region of Waterloo Intl to San Diego.
Can I find deals for business class flights from Region of Waterloo Intl to San Diego?
Yes. Cheapflights offers flight deals from Region of Waterloo Intl 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.

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Can Cheapflights notify me if prices for flights from Region of Waterloo Intl to San Diego become cheaper?

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Cheap flights from Toronto Region of Waterloo Intl Airport to San Diego from C$ 478

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Region of Waterloo Intl to San Diego

One-way flights from Region of Waterloo Intl to San DiegoSearch for one-way flight options from Region of Waterloo Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Search for one-way flight options from Region of Waterloo Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.

Find flight deals from Region of Waterloo Intl to San Diego

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to San Diego that are best for you.

Best time to book a flight from Region of Waterloo Intl to San Diego

Have a flexible travel schedule? Discover the best time to fly to San Diego from Region of Waterloo Intl with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to San Diego from Toronto Region of Waterloo Intl?

Can I find deals for flights from Region of Waterloo Intl to San Diego that include hotel bookings?

How can I find direct flights from Region of Waterloo Intl to San Diego?

Can I find deals for business class flights from Region of Waterloo Intl to San Diego?

Travelling to a place near San Diego?

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Alternative routes for Region of Waterloo Intl to San Diego

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Complete your trip

Complete your trip to San Diego by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to California

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Search flights from Region of Waterloo Intl to San Diego by cabin class

Find flights from Region of Waterloo Intl to San Diego, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Region of Waterloo Intl and San Diego flights

Browse other Region of Waterloo Intl and San Diego flight options. Last updated on 19 October 2026.

Other flights from Region of Waterloo Intl

Browse through other flights departing from Region of Waterloo Intl. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.

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Other flights to San Diego

Explore flights to San Diego departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 19 October 2026.

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One-way flights from Region of Waterloo Intl to San Diego
Search for one-way flight options from Region of Waterloo Intl to San Diego. Find affordable one-way fares based on user searches. Data last updated 19 October 2026.