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Region of Waterloo Intl

$139+ Cheap flights from San Francisco (SFO) 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YKF
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from San Francisco to Region of Waterloo Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 abril 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$254
(Justfly.com)

One-way from

$139
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$393
Provider with most accurate pricing for San Francisco-Toronto Region of Waterloo Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Toronto Region of Waterloo Intl flights.
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From San Francisco to Toronto Region of Waterloo Intl
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One-way flight from San Francisco to Toronto Region of Waterloo Intl
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Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Francisco to Region of Waterloo Intl

Cheapest flights from San Francisco to Region of Waterloo Intl
Explore the most affordable flight options available from San Francisco to Region of Waterloo Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This Justfly.com deal was found by Cheapflights users on 4/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/107:30 amSFO - YKF
1 stop8h 26mWestJet
mar. 7/156:00 amYKF - SFO
2 stops10h 59mWestJet
Deal found 4/28$254
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:15 amSFO - YKF
1 stop17h 55mMultiple Airlines
lun. 9/156:00 amYKF - SFO
1 stop8h 54mMultiple Airlines
Deal found 4/27$269
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/2910:15 amSFO - YKF
2 stops40h 15mFlair Airlines
lun. 6/29:25 amYKF - SFO
1 stop27h 05mFlair Airlines
Deal found 4/27$310

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 abril 29, 2025.
Use the filters below to find and compare flights from San Francisco to Toronto Region of Waterloo Intl Airport that are best for you.

Fly from

San Francisco

Fly to

Region of Waterloo Intl

Route

Depart

Return

Price

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

jue. 7/10

7:30 am-6:56 pm

1 stop8h 26m

Toronto Region of Waterloo Intl

mar. 7/15

6:00 am-1:59 pm

2 stops10h 59m

$254

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

jue. 5/29

2:45 pm-5:30 am

3 stops35h 45m

Toronto Region of Waterloo Intl

lun. 6/2

9:25 am-9:30 am

1 stop27h 05m

$291

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

jue. 5/29

10:15 am-5:30 am

2 stops40h 15m

Toronto Region of Waterloo Intl

lun. 6/2

9:25 am-9:30 am

1 stop27h 05m

$310

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

dom. 5/25

10:15 am-5:30 am

2 stops40h 15m

$139

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

mié. 5/14

12:50 pm-12:46 am

1 stop8h 56m

$141

San FranciscoToronto

SFO - YKF

SFOYKF

San Francisco

mié. 5/21

2:45 pm-5:15 am

2 stops11h 30m

$173

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Compare providers for flights from San Francisco 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 Francisco to Region of Waterloo Intl in April.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*2 stars
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 Francisco-Toronto Region of Waterloo Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Toronto Region of Waterloo Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-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 Francisco-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 Francisco-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 Francisco to Region of Waterloo Intl

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

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Toronto Region of Waterloo Intl Airport

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

Find hourly flight availability from San Francisco to Region of Waterloo Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

When flying from San Francisco to Toronto Region of Waterloo Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Region of Waterloo Intl by month

Plan your trip to Region of Waterloo Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Toronto Region of Waterloo Intl Airport ranges from 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto Region of Waterloo Intl Airport when rainfall is around 2.0 in.

Temperature in Region of Waterloo Intl by month

Plan your trip to Region of Waterloo Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Toronto Region of Waterloo Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Region of Waterloo Intl

Get insights into the airlines that provide service to Region of Waterloo Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Region of Waterloo Intl. Reviews last updated abril 29, 2025.
Read reviews from past customers who have flown WestJet and Flair Airlines from San Francisco to Toronto. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
2,823 reviews

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.1

Entertainment

6.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
WestJet
7.2
Good
2,823 reviews
WestJet
7.2
Good
2,823 reviews

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.1

Entertainment

6.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.
Flair Airlines
6.0
Okay
239 reviews
WestJet
7.2
Good
2,823 reviews

Crew

7.9

Food

6.2

Boarding

7.4

Comfort

7.1

Entertainment

6.1

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Sugith,Jan 2025

CUN - YYZ

On time departure. Good service on board. Comfort Plus seating was comfortable.

Related info for your journey

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

    For a flight from San Francisco to Toronto Region of Waterloo Intl, you will be flying from San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 0 outbound flights to Toronto Region of Waterloo Intl per day. 0 airlines have flights to Toronto Region of Waterloo Intl from San Francisco on a regular basis.

  • What are the cheapest airlines flying from San Francisco to Toronto Region of Waterloo Intl Airport round-trip?

    WestJet, at $254, was found to be the cheapest airline from San Francisco to Toronto Region of Waterloo Intl Airport. An alternate airline flying to your destination would be Flair Airlines.

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

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

  • How can I find direct flights from San Francisco 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 Francisco to Region of Waterloo Intl.

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

    Yes. Cheapflights offers flight deals from San Francisco 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.

See more FAQs

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