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Cheap flights from Toronto Region of Waterloo Intl Airport to San Diego from C$ 342

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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SAN
10 Apr — 17 Apr1
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 11 March 2026.

Mon 27/48:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Sat 2/53:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 7/3C$ 584
Wed 6/58:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Tue 12/53:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 9/3C$ 606
Tue 2/68:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Mon 8/63:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 8/3C$ 646
Sat 13/68:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Sat 27/63:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 9/3C$ 656
Mon 24/88:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Thu 27/83:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 6/3C$ 665
Tue 1/98:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Tue 22/93:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 7/3C$ 667
Fri 1/58:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Thu 7/53:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 6/3C$ 669
Tue 23/68:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Tue 30/63:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 10/3C$ 678
Fri 4/98:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Sat 12/93:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 8/3C$ 702
Sun 3/58:40 p.m.
YKF
-
SAN
1 stop20h 30m
WestJet
Sun 10/53:30 p.m.
SAN
-
YKF
1 stop25h 20m
WestJet
Deal found 9/3C$ 705

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 11 March 2026.

Round-trip from

C$ 584

One-way from

C$ 342

Popular in

December

Cheapest in

April

Average price

C$ 492
WestJet
  • WestJet
  • 27/4-2/5
  • 2 total stops
  • 45h 50m total
  • Toronto to San Diego
Search Deals
WestJet
  • WestJet
  • 3/8
  • 1 total stop
  • 20h 30m total
  • Toronto to San Diego
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 2026.
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 - SAN

YKFSAN

Toronto Region of Waterloo Intl

Mon 24/8

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

1 stop20h 30m

San Diego

Thu 27/8

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

1 stop25h 20m

C$ 665

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

Tue 22/9

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

1 stop25h 20m

C$ 667

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Tue 23/6

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

1 stop20h 30m

San Diego

Tue 30/6

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

1 stop25h 20m

C$ 678

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Fri 1/5

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

1 stop20h 30m

San Diego

Thu 7/5

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

1 stop25h 20m

C$ 725

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Fri 8/5

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

1 stop20h 30m

San Diego

Sun 10/5

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

1 stop25h 20m

C$ 781

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 31/5

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

1 stop20h 30m

San Diego

Mon 13/7

11:30 a.m.-7:50 p.m.

1 stop29h 20m

C$ 828

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sat 29/8

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

1 stop20h 30m

San Diego

Sat 26/9

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

1 stop25h 20m

C$ 828

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Thu 23/4

6:20 a.m.-10:06 a.m.

2 stops30h 46m

San Diego

Thu 30/4

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

1 stop25h 20m

C$ 831

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Mon 24/8

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

1 stop20h 30m

San Diego

Fri 28/8

10:00 a.m.-7:50 p.m.

2 stops30h 50m

C$ 831

TorontoSan Diego

YKF - SAN

YKFSAN

Toronto Region of Waterloo Intl

Sun 14/6

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

1 stop20h 30m

San Diego

Sun 28/6

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

1 stop25h 20m

C$ 840

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/3

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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$ 665, WestJet can have you in San Diego from Toronto Region of Waterloo Intl Airport in 20h 30m. 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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Fly with Cheapflights

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How does Cheapflights help users find flights from Region of Waterloo Intl to San Diego?

Cheapflights helps you search for flights from Region of Waterloo Intl to San Diego via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Region of Waterloo Intl to San Diego?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Diego from Region of Waterloo Intl.

Can Cheapflights find flights from Region of Waterloo Intl to San Diego with no change fees?

Yes! Cheapflights helps users easily find flights from Region of Waterloo Intl to San Diego with no change fees.

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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