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Cheap flights from Toronto Region of Waterloo Intl Airport to San Diego from C$ 265

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SAN
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap 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 11 September 2025.

Round-trip from

C$ 563

One-way from

C$ 265

Popular in

September

Cheapest in

April

Average price

C$ 632
WestJet
  • WestJet
  • 24/10-26/10
  • 2 total stops
  • 24h 13m total
  • Toronto to San Diego
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23/9
  • 23/9
  • 3 total stops
  • 33h 40m total
  • Toronto to San Diego
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Highest demand for flights based on searches. 15% potential increase in price (C$ 132 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 17 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Region of Waterloo Intl to San Diego

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 11 September 2025.

Fri 24/106:00 a.m.YKF - SAN
1 stop10h 20mWestJet
Sun 26/1012:35 p.m.SAN - YKF
1 stop13h 53mWestJet
Deal found 9/9C$ 563
Sat 4/106:00 a.m.YKF - SAN
1 stop10h 20mWestJet
Sat 11/1010:00 a.m.SAN - YKF
2 stops35h 45mWestJet
Deal found 9/9C$ 790
Sat 1/116:20 a.m.YKF - SAN
2 stops12h 59mWestJet
Fri 7/1112:35 p.m.SAN - YKF
1 stop13h 53mWestJet
Deal found 9/9C$ 797
Sat 4/106:00 a.m.YKF - SAN
1 stop10h 20mWestJet
Thu 9/106:15 a.m.SAN - YKF
2 stops15h 30mWestJet
Deal found 11/9C$ 865
Sat 1/116:20 a.m.YKF - SAN
2 stops14h 04mMultiple Airlines
Fri 7/1112:35 p.m.SAN - YKF
1 stop13h 53mMultiple Airlines
Deal found 9/9C$ 1,014
Mon 29/126:20 a.m.YKF - SAN
2 stops19h 22mWestJet
Sat 3/16:15 a.m.SAN - YKF
2 stops44h 13mWestJet
Deal found 10/9C$ 1,129
Sat 27/127:00 p.m.YKF - SAN
1 stop19h 45mWestJet
Fri 2/112:35 p.m.SAN - YKF
1 stop13h 53mWestJet
Deal found 9/9C$ 1,175

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 11 September 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

Fri 24/10

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

1 stop10h 20m

San Diego

Sun 26/10

12:35 p.m.-5:28 a.m.

1 stop13h 53m

C$ 563

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 4/10

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

1 stop10h 20m

San Diego

Sat 11/10

10:00 a.m.-12:45 a.m.

2 stops35h 45m

C$ 790

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 1/11

6:20 a.m.-4:19 p.m.

2 stops12h 59m

San Diego

Fri 7/11

12:35 p.m.-5:28 a.m.

1 stop13h 53m

C$ 797

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 4/10

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

1 stop10h 20m

San Diego

Thu 9/10

6:15 a.m.-12:45 a.m.

2 stops15h 30m

C$ 865

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 14/2

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

1 stop19h 47m

San Diego

Sat 21/2

10:00 a.m.-5:29 a.m.

2 stops40h 29m

C$ 999

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 1/11

6:20 a.m.-5:24 p.m.

2 stops14h 04m

San Diego

Fri 7/11

12:35 p.m.-5:28 a.m.

1 stop13h 53m

C$ 1,014

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Mon 29/12

6:20 a.m.-10:42 p.m.

2 stops19h 22m

San Diego

Sat 3/1

6:15 a.m.-5:28 a.m.

2 stops44h 13m

C$ 1,129

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 23/9

6:00 a.m.-12:40 p.m.

3 stops33h 40m

C$ 265

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 7/10

6:00 a.m.-9:20 p.m.

2 stops18h 20m

C$ 272

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Mon 29/9

6:00 a.m.-10:26 p.m.

2 stops19h 26m

C$ 277

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 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$ 563, 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.

  • What is the cheapest month to book a flight from Toronto Region of Waterloo Intl Airport to San Diego?

    Currently, May is the cheapest month in which you can book a flight from Toronto Region of Waterloo Intl Airport to San Diego (average of C$ 289). Flying from Toronto Region of Waterloo Intl Airport to San Diego in November is currently the most expensive (average of C$ 390). 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

Travelling to a place near San Diego?

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

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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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Hamilton to Sacramento flights
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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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