SFO - YKF

$152 Find Cheap Flights from San Francisco to Toronto Region of Waterloo Intl

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Region of Waterloo Intl departing on 4/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Toronto Region of Waterloo Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Toronto, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Toronto, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Everything you should know

Cheapest round-trip
$263
WestJet
Fri 3/6Tue 3/10
SFO - YKF • 1 stop
Cheapest one-way
$225
Multiple Airlines
Fri 4/17
SFO - YKF • 3 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Region of Waterloo Intl!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from San Francisco to Region of Waterloo Intl (SFO-YKF)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Region of Waterloo Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Region of Waterloo Intl

Fri, Mar 6 - Tue, Mar 10
WestJet Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
6:20 am - 12:10 pm
YKF
-
SFO
8h 50m
1 stop
$263WestJet
Fri, Apr 17 - Sun, Apr 26
WestJet Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$296WestJet
Fri, Apr 24 - Mon, Apr 27
WestJet Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$326WestJet
Fri, May 1 - Mon, May 4
WestJet Logo
6:00 am - 7:50 pm
SFO
-
YKF
10h 50m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$328WestJet
Sun, Apr 19 - Thu, Apr 23
WestJet Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
6:20 am - 12:10 pm
YKF
-
SFO
8h 50m
1 stop
$330WestJet
Thu, Apr 30 - Mon, May 4
WestJet Logo
1:00 pm - 7:50 pm
SFO
-
YKF
27h 50m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$353WestJet
Thu, Apr 30 - Mon, May 4
WestJet Logo
1:00 pm - 7:50 pm
SFO
-
YKF
27h 50m
1 stop
WestJet Logo
8:40 pm - 12:00 pm
YKF
-
SFO
18h 20m
1 stop
$375WestJet
Fri, Apr 17 - Wed, Apr 22
Multiple Airlines Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
Multiple Airlines Logo
6:10 am - 6:00 pm
YKF
-
SFO
14h 50m
2 stops
$415Multiple Airlines
Sun, Apr 5 - Tue, Apr 14
WestJet Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
6:20 am - 12:10 pm
YKF
-
SFO
8h 50m
1 stop
$466WestJet
Sun, Apr 5 - Sun, Apr 26
WestJet Logo
1:00 pm - 5:29 am
SFO
-
YKF
13h 29m
1 stop
WestJet Logo
8:40 pm - 9:55 pm
YKF
-
SFO
28h 15m
1 stop
$469WestJet
Useful Info

Good to know

Cheapest flight$225
Flight from San Francisco to Toronto Region of Waterloo Intl

When to book flights from San Francisco to Region of Waterloo Intl

Are your dates flexible? Find out the best times to travel from San Francisco to Region of Waterloo Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking San Francisco to Toronto Region of Waterloo Intl flights

  • What is the cheapest flight from San Francisco to Toronto Region of Waterloo Intl Airport?

    In the last 3 days, the lowest price for a flight from San Francisco to Toronto Region of Waterloo Intl Airport was $225 for a one-way ticket and $263 for a round-trip.

  • Do I need a passport to fly between San Francisco and Toronto Region of Waterloo Intl?

    Yes

  • Which airports will I be using when flying from San Francisco to Toronto Region of Waterloo Intl?

    On your way to Toronto Region of Waterloo Intl, you’ll fly out from San Francisco. You’ll be landing at Toronto Region of Waterloo Intl.

  • Which aircraft models fly most regularly from San Francisco to Toronto Region of Waterloo Intl?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from San Francisco to Toronto Region of Waterloo Intl?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Toronto Region of Waterloo Intl.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Toronto Region of Waterloo Intl?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Toronto Region of Waterloo Intl from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Toronto Region of Waterloo Intl?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Toronto Region of Waterloo Intl with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and YKF can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Toronto Region of Waterloo Intl?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Toronto Region of Waterloo Intl from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from San Francisco to Region of Waterloo Intl

Information on your arrival and departure airports

San Francisco (SFO)
Region of Waterloo Intl (YKF)