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Region of Waterloo Intl

$399+ Cheap flights from San Diego (SAN) to Region of Waterloo Intl (YKF)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — YKF
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from San Diego to Region of Waterloo Intl

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

This FlightHub deal was found by Cheapflights users on 12/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/109:59 amSAN - YKF
2 stops16h 29mWestJet
Mon 12/226:20 amYKF - SAN
2 stops36h 13mWestJet
Deal found 12/9$1,673
This WestJet deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1412:35 pmSAN - YKF
1 stop13h 53mWestJet
Tue 12/166:20 amYKF - SAN
2 stops14h 52mWestJet
Deal found 12/11$1,860
This oojo deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:35 pmSAN - YKF
1 stop13h 53mWestJet
Sat 12/277:00 pmYKF - SAN
1 stop19h 45mWestJet
Deal found 12/10$2,122

Find flight deals from San Diego to Region of Waterloo Intl

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$542
(Mytrip)

One-way from

$399
(WestJet)

Popular in

October

Cheapest in

March

Average price

$562
Provider with most accurate pricing for San Diego-Toronto Region of Waterloo Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Toronto Region of Waterloo Intl flights.
Search Deals
From San Diego to Toronto Region of Waterloo Intl
Search Deals
One-way flight from San Diego to Toronto Region of Waterloo Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego to Region of Waterloo Intl 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 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from San Diego to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

San Diego

Fly to

Region of Waterloo Intl

Route

Depart

Return

Price

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Tue 5/19

2:05 pm-5:25 am

2 stops12h 20m

Toronto Region of Waterloo Intl

Thu 5/21

6:05 am-1:20 pm

1 stop10h 15m

$542

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Thu 4/30

7:00 am-12:45 am

2 stops14h 45m

Toronto Region of Waterloo Intl

Mon 5/4

6:00 am-1:20 pm

1 stop10h 20m

$681

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Sat 6/6

6:15 am-12:45 am

2 stops15h 30m

Toronto Region of Waterloo Intl

Tue 6/9

6:00 am-1:20 pm

1 stop10h 20m

$1,044

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Wed 12/31

12:35 pm-5:28 am

1 stop13h 53m

$644

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Sat 12/27

6:15 am-5:28 am

2 stops44h 13m

$716

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Mon 12/22

12:35 pm-5:28 am

1 stop13h 53m

$718

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Sun 12/21

12:35 pm-5:28 am

1 stop13h 53m

$819

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Sun 1/4

12:35 pm-5:28 am

1 stop13h 53m

$868

San DiegoToronto

SAN - YKF

SANYKF

San Diego

Fri 12/19

12:35 pm-5:28 am

1 stop13h 53m

$1,036

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Compare providers for flights from San Diego to Region of Waterloo Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Region of Waterloo Intl in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Toronto Region of Waterloo Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Toronto Region of Waterloo Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Toronto Region of Waterloo Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Toronto Region of Waterloo Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Toronto Region of Waterloo Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Region of Waterloo Intl from 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.

Related info for your journey

Find useful and relevant information for your journey from San Diego to Region of Waterloo Intl. 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 from for flights from San Diego to Toronto Region of Waterloo Intl?

    San Diego (SAN) is the airport you will fly out of if you book a flight from San Diego to Toronto Region of Waterloo Intl. You should not have trouble finding flights to Toronto Region of Waterloo Intl from San Diego; the airport handles an average of 0 outbound flights to Toronto Region of Waterloo Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the San Diego airport to Toronto Region of Waterloo Intl. It is only a 2.6 mi journey to San Diego (SAN) from San Diego’s city center.

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

    WestJet can get you from San Diego to Toronto Region of Waterloo Intl Airport in just under 14h 45m. Your travel time can differ by up to . There are 2112 mi between San Diego and Toronto Region of Waterloo Intl Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from San Diego to Region of Waterloo Intl 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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