Find flights
When to book
Airlines
FAQs
English
Cheap flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area from C$ 244
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 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
YKF — SFO
19 Oct — 26 Oct1
Cheap flight deals from Region of Waterloo Intl to San Francisco Bay Area
Keep the following information in mind while searching for Region of Waterloo Intl to San Francisco Bay Area flight deals. Data was last updated 19 September 2025.
Find flight deals from Region of Waterloo Intl to San Francisco Bay Area
Cheapest flights from Region of Waterloo Intl to San Francisco Bay AreaExplore the most affordable flight options available from Region of Waterloo Intl to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2025.
Explore the most affordable flight options available from Region of Waterloo Intl to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 19 September 2025.
Fri 17/106:15 a.m.YKF - SFO
2 stops18h 09mMultiple Airlines
Thu 23/1012:50 p.m.SFO - YKF
2 stops13h 40mMultiple Airlines
Deal found 17/9C$ 438
Fri 3/106:00 a.m.YKF - SFO
1 stop18h 24mWestJet
Mon 6/107:30 a.m.SFO - YKF
1 stop14h 15mWestJet
Deal found 16/9C$ 444
Fri 3/106:15 a.m.YKF - SFO
2 stops18h 09mMultiple Airlines
Sat 11/107:30 a.m.SFO - YKF
2 stops19h 00mMultiple Airlines
Deal found 17/9C$ 465
Fri 3/106:15 a.m.YKF - SFO
2 stops18h 09mMultiple Airlines
Mon 6/102:45 p.m.SFO - YKF
3 stops35h 45mMultiple Airlines
Deal found 18/9C$ 466
Tue 16/126:20 a.m.YKF - SFO
1 stop8h 52mWestJet
Thu 25/121:00 p.m.SFO - YKF
1 stop13h 28mWestJet
Deal found 17/9C$ 472
Thu 30/106:20 a.m.YKF - SFO
1 stop8h 52mMultiple Airlines
Sun 2/1110:15 a.m.SFO - YKF
2 stops16h 13mMultiple Airlines
Deal found 18/9C$ 474
Thu 16/106:00 a.m.YKF - SFO
1 stop18h 24mMultiple Airlines
Thu 23/1012:50 p.m.SFO - YKF
1 stop13h 25mMultiple Airlines
Deal found 17/9C$ 503
Fri 24/106:00 a.m.YKF - SFO
1 stop8h 54mWestJet
Fri 21/111:00 p.m.SFO - YKF
1 stop13h 28mWestJet
Deal found 17/9C$ 534
Mon 10/116:20 a.m.YKF - SJC
2 stops35h 37mWestJet
Tue 18/113:37 p.m.SJC - YKF
3 stops34h 51mWestJet
Deal found 18/9C$ 942
Tue 14/106:00 a.m.YKF - SJC
2 stops12h 57mWestJet
Mon 20/109:00 a.m.SJC - YKF
2 stops12h 45mWestJet
Deal found 18/9C$ 1,071
Tue 23/126:20 a.m.YKF - SJC
2 stops14h 20mWestJet
Wed 31/123:22 p.m.SJC - YKF
2 stops11h 06mWestJet
Deal found 18/9C$ 1,078
Tue 23/126:20 a.m.YKF - SJC
2 stops14h 20mWestJet
Mon 29/123:22 p.m.SJC - YKF
2 stops11h 06mWestJet
Deal found 18/9C$ 1,124
Cheapflights Fare Finder
Customize your flight search to find flights from Region of Waterloo Intl to San Francisco Bay Area 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 19 September 2025.
Use the filters below to find and compare flights from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area that are best for you.
Fly from
Region of Waterloo Intl
Fly to
San Francisco Bay Area
Route
Depart
Return
Price
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Fri 17/10
6:15 a.m.-9:24 p.m.
2 stops18h 09m
San Francisco
Thu 23/10
12:50 p.m.-5:30 a.m.
2 stops13h 40m
C$ 438
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Tue 16/12
6:20 a.m.-12:12 p.m.
1 stop8h 52m
San Francisco
Thu 25/12
1:00 p.m.-5:28 a.m.
1 stop13h 28m
C$ 472
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Thu 30/10
6:20 a.m.-12:12 p.m.
1 stop8h 52m
San Francisco
Sun 2/11
10:15 a.m.-5:28 a.m.
2 stops16h 13m
C$ 474
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Thu 12/3
6:20 a.m.-12:10 p.m.
1 stop8h 50m
San Francisco
Sun 22/3
1:00 p.m.-5:29 a.m.
1 stop13h 29m
C$ 487
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Tue 10/3
6:20 a.m.-12:10 p.m.
1 stop8h 50m
San Francisco
Sun 22/3
1:00 p.m.-5:29 a.m.
1 stop13h 29m
C$ 487
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Thu 16/10
6:00 a.m.-9:30 a.m.
2 stops30h 30m
San Francisco
Thu 23/10
12:50 p.m.-5:15 a.m.
1 stop13h 25m
C$ 517
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Fri 3/10
6:15 a.m.-9:30 a.m.
3 stops30h 15m
San Francisco
Sat 11/10
7:30 a.m.-5:30 a.m.
2 stops19h 00m
C$ 523
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Fri 24/10
6:00 a.m.-11:54 a.m.
1 stop8h 54m
San Francisco
Fri 21/11
1:00 p.m.-5:28 a.m.
1 stop13h 28m
C$ 534
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Sun 2/11
7:05 a.m.-12:20 p.m.
3 stops32h 15m
San Francisco
Sun 9/11
10:15 a.m.-5:28 a.m.
2 stops16h 13m
C$ 552
TorontoSan Francisco
YKF - SFO
YKFSFO
Toronto Region of Waterloo Intl
Fri 3/10
6:00 a.m.-9:24 p.m.
1 stop18h 24m
San Francisco
Mon 6/10
7:30 a.m.-12:45 a.m.
1 stop14h 15m
C$ 616
Showing 1-10 of 39 results
Best time to book a flight from Region of Waterloo Intl to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area 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.
Cheapflights Insights
Everything you need to know about your flight from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 San Francisco Bay Area. Reviews last updated 19 September 2025.
Read reviews from past customers who have flown WestJet and Air Canada from Toronto Region of Waterloo Intl Airport to San Francisco Bay Area. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.1
Food
6.2
Boarding
7.4
Overall
7.2
Crew
7.9
Entertainment
6.1
Reviews
1 / 20
6.0
GoodDeb,Jan 2025
YYZ - YYC
Comfort
7.1
Food
6.2
Boarding
7.4
Overall
7.2
Crew
7.9
Entertainment
6.1
Reviews
1 / 20
6.0
GoodDeb,Jan 2025
YYZ - YYC
Comfort
7.1
Food
6.2
Boarding
7.4
Overall
7.2
Crew
7.9
Entertainment
6.1
Reviews
1 / 20
6.0
GoodDeb,Jan 2025
YYZ - YYC
Related info for your journey
Find useful and relevant information for your journey from Region of Waterloo Intl to San Francisco Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for Region of Waterloo Intl to San Francisco Bay Area
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from Region of Waterloo Intl to San Francisco Bay Area
Discover the top 2 airlines that operate flights from Region of Waterloo Intl to San Francisco Bay Area. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 19 September 2025.
Fly with Cheapflights
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Region of Waterloo Intl to San Francisco Bay Area?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Region of Waterloo Intl to San Francisco Bay Area. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Region of Waterloo Intl to San Francisco Bay Area?
Cheapflights helps you find that perfect flight to San Francisco Bay Area from Region of Waterloo Intl by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from Region of Waterloo Intl to San Francisco Bay Area with no change fees?
Yes, we can. To see specific flights from Region of Waterloo Intl to San Francisco Bay Area with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Region of Waterloo Intl to San Francisco Bay Area become cheaper?
Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!