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Cheap flights from Ontario to San Francisco (SFO) from $124

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 6/4. 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.
YYZ — SFO
May 9 — May 161
From?
To?
Thu 5/9
Thu 5/16
1 adult, Economy
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How far in advance should I book a flight from Region of Ontario to San Francisco?

To save up to 73% on this flight, we recommend booking at least 51 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Region of Ontario to San Francisco from $581 1-2 weeks out and tickets from $935 for flights departing within the next 72 hours.

What is the cheapest month to fly from Region of Ontario to San Francisco?

Flights from Region of Ontario to San Francisco lean towards being more expensive in December. Prices are generally better when you fly from Region of Ontario to San Francisco in January, with the cheapest ticket starting at $331.

When is the cheapest time to fly from Region of Ontario to San Francisco (ON - SFO)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to San Francisco as you normally would.

Cheap Air Canada flights from Ontario to San Francisco

Explore cheap flight options specifically provided by Air Canada for the route between Ontario and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Consider these cheap Air Canada flights we've found departing from Ontario to San Francisco. Make sure to check back often as deals are often changing.
Fri 5/249:50 amYXU - SFO
1 stop8h 42mAir Canada
Sun 5/2610:05 pmSFO - YXU
1 stop8h 11mAir Canada
Deal found 5/2$476
Fri 5/108:45 pmYYZ - SFO
Nonstop5h 37mAir Canada
Mon 6/108:18 pmSFO - YYZ
1 stop13h 40mAir Canada
Deal found 5/3$486
Tue 5/145:30 pmYYZ - SFO
Nonstop5h 37mAir Canada
Sat 5/1811:40 amSFO - YYZ
Nonstop5h 07mAir Canada
Deal found 5/2$489
Fri 5/106:30 amYYZ - SFO
Nonstop5h 54mAir Canada
Mon 5/1310:30 pmSFO - YYZ
1 stop10h 06mAir Canada
Deal found 5/3$492
Sat 5/256:00 amYXU - SFO
2 stops12h 45mAir Canada
Wed 5/2910:15 pmSFO - YXU
1 stop8h 01mAir Canada
Deal found 5/1$495
Tue 6/113:25 pmYXU - SFO
1 stop7h 42mAir Canada
Wed 7/34:35 pmSFO - YXU
1 stop13h 40mAir Canada
Deal found 5/3$496
Fri 5/105:00 pmYYZ - SFO
1 stop9h 17mAir Canada
Mon 5/1310:30 pmSFO - YYZ
1 stop10h 06mAir Canada
Deal found 5/3$497
Sat 5/253:25 pmYXU - SFO
1 stop8h 37mAir Canada
Wed 5/2910:35 pmSFO - YXU
2 stops13h 11mAir Canada
Deal found 5/2$498
Sat 5/115:20 pmYTZ - SFO
1 stop8h 57mAir Canada
Tue 5/1411:30 pmSFO - YTZ
2 stops18h 14mAir Canada
Deal found 5/2$513

Cheap United Airlines flights from Ontario to San Francisco

Explore cheap flight options specifically provided by United Airlines for the route between Ontario and San Francisco. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
To aid your search, here are some of the cheapest United Airlines flights we've found from Ontario to San Francisco. Ensure the flight price, dates, time, and airline match your criteria before you book.
Wed 8/78:10 amYYZ - SFO
Nonstop5h 36mUnited Airlines
Sun 8/2511:30 pmSFO - YYZ
1 stop7h 28mUnited Airlines
Deal found 5/2$400
Fri 8/236:30 amYYZ - SFO
Nonstop5h 41mUnited Airlines
Tue 8/2711:30 pmSFO - YYZ
1 stop7h 28mUnited Airlines
Deal found 5/2$404
Fri 8/167:00 amYYZ - SFO
1 stop7h 41mUnited Airlines
Tue 8/2012:35 amSFO - YYZ
1 stop10h 37mUnited Airlines
Deal found 5/3$410
Tue 5/146:25 pmYYZ - SFO
Nonstop5h 37mUnited Airlines
Tue 7/166:30 amSFO - YYZ
Nonstop4h 51mUnited Airlines
Deal found 5/2$450
Tue 5/149:55 amYYZ - SFO
1 stop10h 11mUnited Airlines
Wed 7/1710:05 pmSFO - YYZ
Nonstop4h 51mUnited Airlines
Deal found 5/2$455
Wed 8/1410:40 amYOW - SFO
1 stop13h 15mUnited Airlines
Mon 8/1911:30 pmSFO - YOW
1 stop8h 03mUnited Airlines
Deal found 5/3$457
Sat 5/116:25 pmYYZ - SFO
Nonstop5h 37mUnited Airlines
Sat 5/256:30 pmSFO - YYZ
1 stop12h 28mUnited Airlines
Deal found 5/3$465
Sat 5/117:43 pmYYZ - SFO
1 stop8h 21mUnited Airlines
Sat 5/256:30 pmSFO - YYZ
1 stop12h 28mUnited Airlines
Deal found 5/3$471
Fri 5/243:25 pmYXU - SFO
1 stop7h 42mUnited Airlines
Sun 5/2610:35 pmSFO - YXU
2 stops13h 11mUnited Airlines
Deal found 5/2$486

Cheap Ontario to San Francisco flights in May & June 2024

Find cheap flight options from Ontario to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Prices were last updated on May 4, 2024.
Scroll through some of the best deals on flights from Ontario to San Francisco in 2024. Check back regularly for other flight deals.
Tue 6/48:00 pmYYZ - SFO
1 stop29h 06mMultiple Airlines
Tue 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$197
Tue 6/412:20 pmYYZ - SFO
1 stop12h 42mMultiple Airlines
Tue 6/1812:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$209
Thu 5/238:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Sat 6/16:34 pmSFO - YYZ
1 stop9h 01mMultiple Airlines
Deal found 5/3$223
Tue 6/118:20 pmYYZ - SFO
1 stop19h 17mMultiple Airlines
Tue 6/1812:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$227
Thu 5/238:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Wed 5/296:48 pmSFO - YYZ
1 stop8h 54mMultiple Airlines
Deal found 5/2$228
Tue 5/288:00 pmYYZ - SFO
1 stop29h 07mMultiple Airlines
Tue 6/412:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/3$230
Tue 5/288:00 pmYYZ - SFO
1 stop29h 07mMultiple Airlines
Tue 6/412:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/3$231
Thu 5/238:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Thu 5/306:57 pmSFO - YYZ
1 stop8h 38mMultiple Airlines
Deal found 5/2$234
Tue 6/412:20 pmYYZ - SFO
1 stop12h 42mMultiple Airlines
Wed 6/127:04 pmSFO - YYZ
1 stop8h 38mMultiple Airlines
Deal found 5/3$235

Ontario to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Scroll through some of the best deals on flights from Ontario to San Francisco in 2024. Check back regularly for other flight deals.
Tue 6/48:00 pmYYZ - SFO
1 stop29h 06mMultiple Airlines
Tue 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$197
Tue 6/412:20 pmYYZ - SFO
1 stop12h 42mMultiple Airlines
Tue 6/1812:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$209
Thu 5/238:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Sat 6/16:34 pmSFO - YYZ
1 stop9h 01mMultiple Airlines
Deal found 5/3$223
Tue 6/118:20 pmYYZ - SFO
1 stop19h 17mMultiple Airlines
Tue 6/1812:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$227
Thu 5/238:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Wed 5/296:48 pmSFO - YYZ
1 stop8h 54mMultiple Airlines
Deal found 5/2$228
Tue 5/288:00 pmYYZ - SFO
1 stop29h 07mMultiple Airlines
Tue 6/412:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/3$230
Tue 5/288:00 pmYYZ - SFO
1 stop29h 07mMultiple Airlines
Tue 6/412:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/3$231
Thu 5/238:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Thu 5/306:57 pmSFO - YYZ
1 stop8h 38mMultiple Airlines
Deal found 5/2$234
Tue 6/412:20 pmYYZ - SFO
1 stop12h 42mMultiple Airlines
Wed 6/127:04 pmSFO - YYZ
1 stop8h 38mMultiple Airlines
Deal found 5/3$235

Non-stop flights to San Francisco from Ontario

Discover non-stop flight options from Ontario to San Francisco. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Consider booking one of these non-stop flights heading from Ontario to San Francisco. Users can also choose from other Ontario to San Francisco flights by using the search form above.
Sun 5/2610:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Wed 5/291:53 pmSFO - YYZ
Nonstop5h 07mPorter Airlines
Deal found 5/2$389
Wed 8/78:10 amYYZ - SFO
Nonstop5h 36mUnited Airlines
Mon 8/266:30 amSFO - YYZ
Nonstop4h 51mUnited Airlines
Deal found 5/2$390
Sat 5/2510:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Fri 5/311:53 pmSFO - YYZ
Nonstop5h 07mPorter Airlines
Deal found 5/3$398
Thu 5/2310:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Fri 5/311:53 pmSFO - YYZ
Nonstop5h 07mPorter Airlines
Deal found 5/2$408
Thu 7/118:45 pmYYZ - SFO
Nonstop5h 36mUnited Airlines
Tue 7/236:30 amSFO - YYZ
Nonstop4h 51mUnited Airlines
Deal found 5/3$409
Sun 5/2610:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Thu 5/301:53 pmSFO - YYZ
Nonstop5h 07mPorter Airlines
Deal found 5/2$410
Fri 5/2410:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Fri 5/311:53 pmSFO - YYZ
Nonstop5h 07mPorter Airlines
Deal found 5/3$412
Fri 5/2410:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Thu 5/301:53 pmSFO - YYZ
Nonstop5h 07mPorter Airlines
Deal found 5/2$413
Thu 5/2310:15 amYYZ - SFO
Nonstop5h 37mPorter Airlines
Mon 6/31:55 pmSFO - YYZ
Nonstop5h 05mPorter Airlines
Deal found 5/2$414

Ontario to San Francisco flights leaving soon

Find last-minute flight options from Ontario to San Francisco for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Check out these flights departing soon from Ontario to San Francisco. To prevent any unwanted surprises, users should verify their flight info before booking.
Thu 5/98:20 pmYYZ - SFO
1 stop16h 24mMultiple Airlines
Tue 6/1112:22 pmSFO - YYZ
1 stop15h 13mMultiple Airlines
Deal found 5/3$257
Tue 5/148:20 pmYYZ - SFO
1 stop14h 23mMultiple Airlines
Wed 7/1712:24 pmSFO - YYZ
1 stop15h 19mMultiple Airlines
Deal found 5/2$285
Tue 5/148:20 pmYYZ - SFO
1 stop14h 23mMultiple Airlines
Sat 5/1812:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/3$298
Tue 5/148:20 pmYYZ - SFO
1 stop14h 23mMultiple Airlines
Sat 5/1812:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/2$300
Thu 5/98:20 pmYYZ - SFO
1 stop16h 24mMultiple Airlines
Sat 5/116:20 pmSFO - YYZ
1 stop9h 15mMultiple Airlines
Deal found 5/3$308
Tue 5/148:20 pmYYZ - SFO
2 stops16h 05mMultiple Airlines
Tue 7/166:18 pmSFO - YYZ
1 stop9h 25mMultiple Airlines
Deal found 5/2$319
Tue 5/148:20 pmYYZ - SFO
1 stop16h 24mMultiple Airlines
Sun 5/191:53 pmSFO - YYZ
Nonstop5h 07mMultiple Airlines
Deal found 5/3$343
Tue 5/148:20 pmYYZ - SFO
1 stop14h 23mMultiple Airlines
Thu 5/161:53 pmSFO - YYZ
Nonstop5h 07mMultiple Airlines
Deal found 5/2$345
Mon 5/138:00 pmYYZ - SFO
1 stop14h 43mMultiple Airlines
Sat 5/1812:07 pmSFO - YYZ
1 stop15h 28mMultiple Airlines
Deal found 5/3$346

One-way flights to San Francisco from Ontario

Search for one-way flight options from Ontario to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,864,334 searches. Data last updated May 4, 2024.
Users in need of a one-way flight from Ontario to San Francisco can choose from these deals. For those needing a return trip from Ontario, there is a search form available above.
Tue 6/412:20 pmYYZ - SFO
1 stop12h 42mMultiple Airlines
Deal found 5/3$124
Tue 6/118:20 pmYYZ - SFO
1 stop31h 20mMultiple Airlines
Deal found 5/2$136
Mon 6/38:00 pmYYZ - SFO
1 stop31h 41mMultiple Airlines
Deal found 5/3$150
Wed 5/299:15 pmYKF - SFO
1 stop15h 15mFlair Airlines
Deal found 5/3$151
Tue 5/288:00 pmYYZ - SFO
1 stop31h 41mMultiple Airlines
Deal found 5/2$151
Sun 6/98:20 pmYYZ - SFO
1 stop31h 24mMultiple Airlines
Deal found 5/2$157
Thu 5/308:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Deal found 5/3$158
Tue 5/148:20 pmYYZ - SFO
1 stop23h 59mMultiple Airlines
Deal found 5/3$164
Sun 6/28:20 pmYYZ - SFO
1 stop31h 21mMultiple Airlines
Deal found 5/3$165

Find flights from Ontario to San Francisco within your budget

Customize your flight search to find flights from Ontario to San Francisco 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 2,864,334 searches. Data last updated May 4, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$197 - $476

Route

Depart

Return

Price

Toronto Pearson IntlSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 6/4

1 stop29h 06m

San Francisco

Tue 6/11

1 stop15h 13m

$197

Toronto Pearson IntlSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 6/4

1 stop12h 42m

San Francisco

Tue 6/18

1 stop15h 13m

$209

Toronto Pearson IntlSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 5/23

1 stop31h 21m

San Francisco

Sat 6/1

1 stop9h 01m

$223

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Mon 5/27

1 stop15h 15m

San Francisco

Thu 5/30

1 stop17h 50m

$338

Toronto Pearson IntlSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 8/7

Nonstop5h 36m

San Francisco

Sun 8/25

1 stop7h 28m

$400

Toronto Kitchener-WaterlooSan Francisco

YKF - SFO

YKFSFO

Toronto Kitchener-Waterloo

Wed 7/17

2 stops11h 18m

San Francisco

Fri 7/26

1 stop9h 02m

$409

Toronto Pearson IntlSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 8/21

1 stop9h 47m

San Francisco

Wed 8/28

1 stop7h 44m

$409

Toronto Pearson IntlSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 5/23

Nonstop5h 37m

San Francisco

Mon 6/3

Nonstop5h 05m

$414

LondonSan Francisco

YXU - SFO

YXUSFO

London

Fri 5/24

1 stop8h 42m

San Francisco

Sun 5/26

1 stop8h 11m

$476

Flights are sorted by cheapest first

Deals found on 5/3

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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. Reviews last updated May 4, 2024.
See what other customers who have flown with Air Canada, United Airlines and Flair Airlines from Ontario to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Delta
8.1
Very good
10,848 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

WestJet
7.6
Good
2,962 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Porter Airlines
7.4
Good
433 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

United Airlines
7.4
Good
11,134 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

American Airlines
7.3
Good
14,755 reviews
Delta
8.1
Very good
10,848 reviews
Check prices

Boarding

8.2

Entertainment

8.0

Food

7.4

Crew

8.6

Overall

8.1

Comfort

7.9

Reviews

1 / 10

Four hour delay (missing two screws). Seats in need of repair.

Related info for your journey

Find useful and relevant information for your journey from Ontario to San Francisco. 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 into for flights to San Francisco from Ontario?

    If you book a flight to San Francisco from Ontario, you will be flying to San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.8 mi from the center of San Francisco.

  • Can I find flights from Region of Ontario to San Francisco for under $200 on Cheapflights?

    Yes, there are multiple flights from Region of Ontario to San Francisco for under $200. The cheapest flight booked recently is on Multiple Airlines for just $197, but on average you can expect to pay $235.

  • Are there nonstop flights from Region of Ontario to San Francisco for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Region of Ontario to San Francisco under $400. A good price for a nonstop flight from Region of Ontario to San Francisco is less than $413.

  • Are there last-minute flights available from Region of Ontario to San Francisco for under $300?

    There are currently 20+ open flights from Region of Ontario to San Francisco within the next 7 days for less than $300.

  • What are the most popular routes from Region of Ontario to San Francisco?

    While some choose either Toronto Island - San Francisco or Toronto Kitchener-Waterloo - San Francisco, Toronto Pearson Intl - San Francisco is the most popular route from Region of Ontario to San Francisco.

  • What are the most popular airlines that fly from Region of Ontario to San Francisco?

    American Airlines, Air Canada and Porter Airlines are the most popular airlines when flying from Region of Ontario to San Francisco.

  • What are the most reliable airlines from Region of Ontario to San Francisco?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Region of Ontario to San Francisco on time: Singapore Airlines (64%), Porter Airlines (60%), Air Canada (55%).

  • What are the cheapest flights from Region of Ontario to San Francisco?

    Looking at all options, your cheapest flight can be booked for $214. While the most popular route (Toronto Pearson Intl - San Francisco) can be booked for $208 on average our data indicates $1,021 when flying from Region of Ontario to San Francisco.

  • What does YYZ to SFO mean?

    Great question - YYZ to SFO just means Toronto Pearson Intl Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights! Ottawa Airport (YOW), Toronto Island Airport (YTZ), Hamilton Airport (YHM), London Airport (YXU), Toronto Kitchener-Waterloo Airport (YKF) are some additional IATA codes for airports related to your trip.

  • Can I find deals for flights from Ontario to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Ontario to San Francisco that include hotel bookings?

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

  • How can I find direct flights from Ontario to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to San Francisco.

  • Can I find deals for business class flights from Ontario to San Francisco?

    Yes. Cheapflights offers flight deals from Ontario to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Ontario to San Francisco that allow pets onboard?

    Many airlines flying from Ontario to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to San Francisco?

    Yes, you can often find last-minute deals on Ontario to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Region of Ontario to San Francisco flight deals updated?

    The Region of Ontario to San Francisco flight deals you see on this page were last updated on 5/3.

See more FAQs

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Alternative routes for Ontario to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Ontario to San Francisco

Discover the top 6 airlines that operate flights from Ontario to San Francisco. 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 2,864,334 searches. Data last updated May 4, 2024.
AirlineCheapestAverageFlexibilityOn-time
Lynx AirCheapest$114Average$233FlexibilityNo cancel feeOn-timeN/A
Search Lynx Air flights
WestJetCheapest$192Average$521FlexibilityNo cancel feeOn-time60%
Search WestJet flights
American AirlinesCheapest$200Average$495FlexibilityNo cancel feeOn-time71%
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Porter AirlinesCheapest$218Average$417FlexibilityNo cancel feeOn-time52%
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Search flights from Ontario to San Francisco by cabin class

Find flights from Ontario to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Hourly flight availability from Ontario to San Francisco

Find hourly flight availability from Ontario to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 4, 2024.
12%of flight departuresEarly morningMidnight to 6 am
62%of flight departuresMorning6 am to noon
20%of flight departuresAfternoonNoon to 6 pm
6%of flight departuresEvening6 pm to midnight
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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 Ontario to San Francisco?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to San Francisco. 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 Ontario to San Francisco?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to San Francisco.

Can Cheapflights find flights from Ontario to San Francisco with no change fees?

Certainly. Search results for flights to San Francisco from Ontario 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 Ontario to San Francisco become cheaper?

Of course! You can now track prices for flights from Ontario to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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