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Cheap flights from Toronto Region of Waterloo Intl Airport to San Diego from C$ 258

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SAN
11 Jan — 18 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Region of Waterloo Intl to San Diego

Enter your travel dates to find the best prices.

Cheapest flights from Region of Waterloo Intl to San Diego
Explore the most affordable flight options available from Region of Waterloo Intl to San Diego. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 December 2025.

Tue 16/126:20 a.m.YKF - SAN
2 stops33h 00mWestJet
Sat 31/16:35 a.m.SAN - YKF
2 stops43h 54mWestJet
Deal found 10/12C$ 1,460
Tue 16/126:20 a.m.YKF - SAN
2 stops36h 03mWestJet
Sat 10/16:35 a.m.SAN - YKF
2 stops43h 53mWestJet
Deal found 10/12C$ 1,498
Thu 11/126:20 a.m.YKF - SAN
2 stops14h 52mWestJet
Sat 13/121:27 p.m.SAN - YKF
2 stops37h 01mWestJet
Deal found 10/12C$ 2,150

Find flight deals from Region of Waterloo Intl to San Diego

Discover tips and strategies to find the most affordable flight options for your journey from Region of Waterloo Intl (YKF) 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 12 December 2025.

Round-trip from

C$ 654

One-way from

C$ 258

Popular in

December

Cheapest in

April

Average price

C$ 626
WestJet
  • WestJet
  • 21/2-22/4
  • 2 total stops
  • 33h 41m total
  • Toronto to San Diego
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WestJet
  • WestJet
  • 17/1
  • 1 total stop
  • 19h 45m total
  • Toronto to San Diego
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 82 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Region of Waterloo Intl 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 629,999 searches. Data last updated 12 December 2025.
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

Region of Waterloo Intl

Fly to

San Diego

Route

Depart

Return

Price

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 7/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Fri 12/6

1:05 p.m.-12:45 a.m.

2 stops32h 40m

C$ 778

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 21/2

7:00 p.m.-11:47 a.m.

1 stop19h 47m

San Diego

Fri 24/4

12:35 p.m.-5:29 a.m.

1 stop13h 54m

C$ 832

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 21/2

7:00 p.m.-11:47 a.m.

1 stop19h 47m

San Diego

Mon 20/4

12:35 p.m.-5:29 a.m.

1 stop13h 54m

C$ 832

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 7/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Thu 11/6

1:05 p.m.-12:45 a.m.

2 stops32h 40m

C$ 939

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 7/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Sun 14/6

1:05 p.m.-12:45 a.m.

2 stops32h 40m

C$ 941

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Mon 8/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Mon 15/6

1:05 p.m.-12:45 a.m.

2 stops32h 40m

C$ 946

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 9/6

6:00 a.m.-1:20 p.m.

1 stop10h 20m

San Diego

Mon 15/6

1:05 p.m.-12:45 a.m.

2 stops32h 40m

C$ 946

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Mon 2/3

6:20 a.m.-5:50 p.m.

2 stops14h 30m

San Diego

Wed 4/3

10:59 a.m.-5:29 a.m.

2 stops15h 30m

C$ 947

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 17/1

7:00 p.m.-11:45 a.m.

1 stop19h 45m

C$ 258

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Thu 15/1

6:20 a.m.-4:36 p.m.

2 stops13h 16m

C$ 735

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

Showing 1-10 of 12 results
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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.
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

Find useful and relevant information for your journey from Region of Waterloo Intl 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 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.

  • How long is the flight from Toronto Region of Waterloo Intl Airport to San Diego?

    For as low as C$ 778, WestJet can have you in San Diego from Toronto Region of Waterloo Intl Airport in 10h 20m. The distance between Toronto Region of Waterloo Intl Airport and San Diego is about 3399 km.

  • 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.

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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Alternative routes for Region of Waterloo Intl to San Diego

See prices for flight routes from nearby airports that may be better suited for you.
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Can Cheapflights notify me if prices for flights from Region of Waterloo Intl to San Diego become cheaper?

Yes, Cheapflights offers price alerts on Region of Waterloo Intl to San Diego flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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