Cheap flights from San Francisco Bay Area to Ontario from C$ 148
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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from San Francisco Bay Area to Ontario
Keep the following information in mind while searching for San Francisco Bay Area to Ontario flight deals. Data was last updated 4 April 2025.
Find flight deals from San Francisco Bay Area to Ontario
Cheapest flights from San Francisco Bay Area to OntarioExplore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 April 2025.
Explore the most affordable flight options available from San Francisco Bay Area to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 4 April 2025.
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco Bay Area to Ontario 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 4 April 2025.
Use the filters below to find and compare flights from San Francisco Bay Area to Ontario that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Wed 30/4
1:45 p.m.-5:55 a.m.
1 stop13h 10m
Toronto Pearson Intl
Wed 7/5
1:30 p.m.-7:44 a.m.
2 stops21h 14m
OaklandToronto
OAK - YYZ
OAKYYZ
Oakland
Thu 1/5
7:46 a.m.-12:12 a.m.
1 stop13h 26m
Toronto Pearson Intl
Wed 7/5
1:30 p.m.-10:56 a.m.
2 stops24h 26m
San JoseToronto
SJC - YYZ
SJCYYZ
San Jose
Wed 30/4
2:04 p.m.-5:55 a.m.
1 stop12h 51m
Toronto Pearson Intl
Tue 20/5
1:50 p.m.-11:29 p.m.
1 stop12h 39m
San FranciscoToronto
SFO - YKF
SFOYKF
San Francisco
Thu 1/5
10:15 a.m.-7:10 a.m.
1 stop17h 55m
Toronto Region of Waterloo Intl
Thu 8/5
8:25 p.m.-9:30 a.m.
1 stop16h 05m
San FranciscoToronto
SFO - YKF
SFOYKF
San Francisco
Thu 17/7
7:30 a.m.-6:56 p.m.
1 stop8h 26m
Toronto Region of Waterloo Intl
Mon 21/7
6:00 a.m.-12:05 p.m.
1 stop9h 05m
San FranciscoToronto
SFO - YKF
SFOYKF
San Francisco
Thu 1/5
10:15 a.m.-7:10 a.m.
1 stop17h 55m
Toronto Region of Waterloo Intl
Wed 7/5
6:00 a.m.-12:05 p.m.
1 stop9h 05m
San FranciscoToronto
SFO - YYZ
SFOYYZ
San Francisco
Sun 6/7
7:30 a.m.-12:33 a.m.
2 stops14h 03m
Toronto Pearson Intl
Thu 7/8
10:00 a.m.-5:15 p.m.
1 stop10h 15m
San FranciscoHamilton
SFO - YHM
SFOYHM
San Francisco
Fri 18/7
12:50 p.m.-12:41 a.m.
1 stop8h 51m
Hamilton
Tue 22/7
6:00 a.m.-12:05 p.m.
1 stop9h 05m
San FranciscoToronto
SFO - YTZ
SFOYTZ
San Francisco
Wed 7/5
10:15 a.m.-7:27 p.m.
2 stops30h 12m
Toronto Island
Sat 10/5
4:40 p.m.-9:30 a.m.
2 stops19h 50m
San FranciscoMontreal
SFO - YUL
SFOYUL
San Francisco
Sun 18/5
8:15 a.m.-4:55 p.m.
Nonstop5h 40m
Montreal Pierre Elliott Trudeau Intl
Sun 25/5
8:10 a.m.-11:35 a.m.
Nonstop6h 25m
Best time to book a flight from San Francisco Bay Area to Ontario
Have a flexible travel schedule? Discover the best time to fly to Ontario from San Francisco Bay Area with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco Bay Area to Ontario
What is the cheapest month to book a flight from San Francisco Bay Area to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from San Francisco Bay Area to Region of Ontario (average of C$ 167). Flying from San Francisco Bay Area to Region of Ontario in July is currently the most expensive (average of C$ 258). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from XIH to ON?
Find hourly flight availability from San Francisco Bay Area to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 4 April 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from San Francisco Bay Area to Region of Ontario as you normally would.
Weekly flight availability from San Francisco Bay Area to Region of Ontario
Explore weekly flight availability from San Francisco Bay Area to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 4 April 2025.
The most flights from zzXIH to CAON are scheduled on a Wednesday (23 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
Rainfall in Ontario by month
Plan your trip to Ontario by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.
Temperature in Ontario by month
Plan your trip to Ontario by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Region of Ontario, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).
Reviews of airlines servicing Ontario
Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated 4 April 2025.
Get a feel of what it's like to fly with Delta, Alaska Airlines and Porter Airlines from San Francisco Bay Area to Ontario by reading reviews from past customers. 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.
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Boarding
Food
Comfort
Crew
Entertainment
Overall
Reviews
Aaron,Oct 2024
LAX - LHR
Related info for your journey
Find useful and relevant information for your journey from San Francisco Bay Area to Ontario. 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 San Francisco Bay Area to Ontario
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from San Francisco Bay Area to Ontario
Discover the top 5 airlines that operate flights from San Francisco Bay Area to Ontario. 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 4 April 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 San Francisco Bay Area to Ontario?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from San Francisco Bay Area to Ontario. 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 San Francisco Bay Area to Ontario?
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 Ontario from San Francisco Bay Area.
Can Cheapflights find flights from San Francisco Bay Area to Ontario with no change fees?
Certainly. Search results for flights to Ontario from San Francisco Bay Area shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from San Francisco Bay Area to Ontario 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!