Cheap flights from Niagara Falls, ON to San Francisco from C$ 277
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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
10 Aug — 17 Aug1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to San Francisco are usually found in January or November, booked 32 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from Niagara Falls to San Francisco
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Cheapest flights from Niagara Falls to San Francisco
Explore the most affordable flight options available from Niagara Falls to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 July 2026.
Tue 11/88:35 p.m.
YYZ
-
SFO
1 stop16h 50m
Multiple Airlines
Fri 14/86:00 a.m.
SFO
-
YYZ
2 stops10h 55m
Multiple Airlines
Deal found 7/7C$ 481
Fri 14/811:10 p.m.
YYZ
-
SFO
2 stops15h 50m
WestJet
Wed 26/81:00 p.m.
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 5/7C$ 483
Tue 13/106:35 p.m.
YYZ
-
SFO
2 stops20h 25m
WestJet
Sat 17/101:00 p.m.
SFO
-
YYZ
2 stops13h 10m
WestJet
Deal found 9/7C$ 484
Wed 16/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Mon 21/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 9/7C$ 485
Sun 16/88:35 p.m.
YYZ
-
SFO
1 stop26h 35m
Multiple Airlines
Tue 25/81:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 8/7C$ 487
Thu 17/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Thu 1/101:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 10/7C$ 488
Mon 24/86:00 a.m.
YYZ
-
SFO
1 stop9h 00m
WestJet
Mon 7/96:00 a.m.
SFO
-
YYZ
1 stop20h 45m
WestJet
Deal found 10/7C$ 490
Sun 16/88:35 p.m.
YYZ
-
SFO
1 stop26h 35m
Multiple Airlines
Sat 22/81:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 10/7C$ 491
Sun 23/811:10 p.m.
YYZ
-
SFO
2 stops15h 50m
WestJet
Sun 30/86:00 a.m.
SFO
-
YYZ
1 stop9h 55m
WestJet
Deal found 9/7C$ 493
Thu 27/810:00 a.m.
YYZ
-
SFO
1 stop9h 40m
WestJet
Tue 1/96:05 p.m.
SFO
-
YYZ
1 stop8h 40m
WestJet
Deal found 5/7C$ 494
Wed 16/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Thu 24/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 7/7C$ 495
Best flights from Niagara Falls to San Francisco
Discover carefully curated flight deals from Niagara Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 11 July 2026.
Wed 19/89:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Sat 12/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 7/7C$ 548
Wed 16/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
American Airlines
Thu 17/96:00 a.m.
SFO
-
YYZ
1 stop8h 15m
American Airlines
Deal found 8/7C$ 602
Fri 24/72:45 p.m.
YYZ
-
SFO
1 stop12h 47m
United Airlines
Sun 2/85:00 a.m.
SFO
-
YYZ
1 stop13h 32m
United Airlines
Deal found 7/7C$ 645
Tue 28/72:24 p.m.
YYZ
-
SFO
1 stop11h 11m
Delta
Wed 5/86:00 a.m.
SFO
-
YYZ
1 stop12h 59m
Delta
Deal found 10/7C$ 702
Tue 8/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Sun 13/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 6/7C$ 628
Thu 27/89:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Tue 8/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 10/7C$ 636
Fri 7/82:00 p.m.
YYZ
-
SFO
1 stop13h 32m
United Airlines
Sat 15/810:51 p.m.
SFO
-
YYZ
Nonstop5h 09m
United Airlines
Deal found 9/7C$ 699
Wed 29/711:00 a.m.
YYZ
-
SFO
1 stop10h 18m
United Airlines
Mon 3/810:38 p.m.
SFO
-
YYZ
1 stop14h 08m
United Airlines
Deal found 7/7C$ 702
Thu 20/86:30 a.m.
YYZ
-
SFO
Nonstop5h 38m
United Airlines
Wed 26/810:51 p.m.
SFO
-
YYZ
Nonstop5h 09m
United Airlines
Deal found 7/7C$ 703
Tue 11/810:15 a.m.
YYZ
-
SFO
2 stops10h 27m
United Airlines
Sat 22/87:49 p.m.
SFO
-
YYZ
2 stops11h 05m
United Airlines
Deal found 6/7C$ 711
Sun 16/86:10 a.m.
YYZ
-
SFO
1 stop15h 19m
United Airlines
Sat 22/810:51 p.m.
SFO
-
YYZ
Nonstop5h 09m
United Airlines
Deal found 10/7C$ 716
Sat 25/76:10 a.m.
YYZ
-
SFO
1 stop11h 53m
United Airlines
Mon 27/76:56 p.m.
SFO
-
YYZ
1 stop17h 18m
United Airlines
Deal found 9/7C$ 727
Direct flights from Niagara Falls to San Francisco
Explore direct flight options from Niagara Falls to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 July 2026.
Tue 8/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Tue 15/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 7/7C$ 484
Wed 16/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Mon 21/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 9/7C$ 485
Thu 17/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Thu 1/101:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 10/7C$ 488
Fri 11/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Mon 14/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 9/7C$ 490
Wed 16/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Thu 24/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 7/7C$ 495
Wed 28/109:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Air Transat
Sun 1/111:45 p.m.
SFO
-
YYZ
Nonstop4h 54m
Air Transat
Deal found 9/7C$ 497
Tue 24/119:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Air Transat
Tue 1/121:45 p.m.
SFO
-
YYZ
Nonstop4h 54m
Air Transat
Deal found 8/7C$ 498
Wed 18/119:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Porter Airlines
Fri 27/111:45 p.m.
SFO
-
YYZ
Nonstop4h 54m
Porter Airlines
Deal found 7/7C$ 500
Tue 8/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Mon 14/91:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 9/7C$ 505
Sat 3/109:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Air Transat
Sun 11/101:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Air Transat
Deal found 8/7C$ 507
Wed 16/99:45 a.m.
YYZ
-
SFO
Nonstop5h 35m
Porter Airlines
Thu 1/101:20 p.m.
SFO
-
YYZ
Nonstop5h 05m
Porter Airlines
Deal found 10/7C$ 508
Last-minute flights from Niagara Falls to San Francisco
Discover last-minute flight deals from Niagara Falls to San Francisco. Data last updated 11 July 2026 and is based on user searches.
Fri 7/88:35 p.m.
YYZ
-
SFO
1 stop15h 08m
Multiple Airlines
Tue 18/86:05 p.m.
SFO
-
YYZ
1 stop8h 40m
Multiple Airlines
Deal found 10/7C$ 501
Tue 11/88:35 p.m.
YYZ
-
SFO
1 stop16h 50m
Multiple Airlines
Fri 14/86:00 a.m.
SFO
-
YYZ
2 stops10h 55m
Multiple Airlines
Deal found 7/7C$ 481
Sun 16/88:35 p.m.
YYZ
-
SFO
1 stop15h 08m
Multiple Airlines
Tue 25/86:00 a.m.
SFO
-
YYZ
2 stops10h 55m
Multiple Airlines
Deal found 8/7C$ 485
Sun 16/88:35 p.m.
YYZ
-
SFO
1 stop26h 35m
Multiple Airlines
Sat 22/81:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 10/7C$ 488
Sun 16/88:35 p.m.
YYZ
-
SFO
1 stop15h 08m
Multiple Airlines
Wed 19/81:00 p.m.
SFO
-
YYZ
1 stop8h 10m
Multiple Airlines
Deal found 7/7C$ 491
Mon 17/88:00 a.m.
YYZ
-
SFO
2 stops16h 55m
WestJet
Wed 23/91:00 p.m.
SFO
-
YYZ
1 stop8h 10m
WestJet
Deal found 10/7C$ 484
Wed 19/83:50 p.m.
YYZ
-
SFO
1 stop9h 05m
WestJet
Sun 30/86:00 a.m.
SFO
-
YYZ
1 stop16h 05m
WestJet
Deal found 7/7C$ 500
Sun 23/811:10 p.m.
YYZ
-
SFO
2 stops15h 50m
WestJet
Sun 30/86:00 a.m.
SFO
-
YYZ
1 stop9h 55m
WestJet
Deal found 9/7C$ 493
Mon 24/811:10 p.m.
YYZ
-
SFO
2 stops15h 50m
WestJet
Sun 30/86:00 a.m.
SFO
-
YYZ
1 stop15h 10m
WestJet
Deal found 10/7C$ 483
Mon 24/86:00 a.m.
YYZ
-
SFO
1 stop9h 00m
WestJet
Mon 7/96:00 a.m.
SFO
-
YYZ
1 stop20h 45m
WestJet
Deal found 10/7C$ 490
One-way flights from Niagara Falls to San Francisco
Search for one-way flight options from Niagara Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated 11 July 2026.
Fri 6/119:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Porter Airlines
Deal found 8/7C$ 277
Sat 22/87:00 a.m.
YYZ
-
SFO
1 stop15h 56m
Multiple Airlines
Deal found 9/7C$ 279
Thu 3/92:50 p.m.
YYZ
-
SFO
1 stop10h 05m
WestJet
Deal found 7/7C$ 280
Wed 12/86:30 p.m.
YYZ
-
SFO
1 stop30h 25m
WestJet
Deal found 9/7C$ 283
Sat 31/109:50 a.m.
YYZ
-
SFO
Nonstop5h 55m
Air Transat
Deal found 8/7C$ 284
Mon 24/810:25 p.m.
YYZ
-
SFO
1 stop21h 15m
WestJet
Deal found 7/7C$ 286
Sat 26/912:40 p.m.
YYZ
-
SFO
2 stops26h 20m
WestJet
Deal found 10/7C$ 289
Thu 17/96:35 p.m.
YYZ
-
SFO
2 stops20h 25m
WestJet
Deal found 7/7C$ 290
Fri 4/98:00 a.m.
YYZ
-
SFO
3 stops27h 43m
Multiple Airlines
Deal found 8/7C$ 292
Find flight deals from Niagara Falls to San Francisco
Keep the following information in mind while searching for Niagara Falls to San Francisco flight deals. Data was last updated 11 July 2026.
Customize your flight search to find flights from Niagara Falls 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 629,999 searches. Data last updated 11 July 2026.
Use the filters below to find and compare flights from Niagara Falls to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
Quickest round-trip
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Wed 19/8
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
San Francisco
Sat 12/9
1:20 p.m.-9:25 p.m.
Nonstop5h 05m
C$ 548
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Wed 16/9
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
San Francisco
Thu 17/9
6:00 a.m.-5:15 p.m.
1 stop8h 15m
C$ 602
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 8/9
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
San Francisco
Sun 13/9
1:20 p.m.-9:25 p.m.
Nonstop5h 05m
C$ 628
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Thu 27/8
9:45 a.m.-12:20 p.m.
Nonstop5h 35m
San Francisco
Tue 8/9
1:20 p.m.-9:25 p.m.
Nonstop5h 05m
C$ 636
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Fri 24/7
2:45 p.m.-12:32 a.m.
1 stop12h 47m
San Francisco
Sun 2/8
5:00 a.m.-9:32 p.m.
1 stop13h 32m
C$ 645
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Fri 7/8
2:00 p.m.-12:32 a.m.
1 stop13h 32m
San Francisco
Sat 15/8
10:51 p.m.-7:00 a.m.
Nonstop5h 09m
C$ 699
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 28/7
2:24 p.m.-10:35 p.m.
1 stop11h 11m
San Francisco
Wed 5/8
6:00 a.m.-9:59 p.m.
1 stop12h 59m
C$ 702
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Wed 29/7
11:00 a.m.-6:18 p.m.
1 stop10h 18m
San Francisco
Mon 3/8
10:38 p.m.-3:46 p.m.
1 stop14h 08m
C$ 702
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Thu 20/8
6:30 a.m.-9:08 a.m.
Nonstop5h 38m
San Francisco
Wed 26/8
10:51 p.m.-7:00 a.m.
Nonstop5h 09m
C$ 703
TorontoSan Francisco
YYZ - SFO
YYZSFO
Toronto Pearson Intl
Tue 11/8
10:15 a.m.-5:42 p.m.
2 stops10h 27m
San Francisco
Sat 22/8
7:49 p.m.-9:54 a.m.
2 stops11h 05m
C$ 711
Flights are sorted by cheapest round-trip flights first.
Deals found on 8/7
Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Niagara Falls to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Niagara Falls with our price prediction graph.
YYZ-SFO
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 Niagara Falls to San Francisco
NI4-SFO
YYZ-SFO
What is the cheapest time of day to fly from NI4 to SFO?
Find hourly flight availability from Niagara Falls 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 11 July 2026.
It’s optimal to fly from Niagara Falls to San Francisco in the morning. By choosing this option you can save up to 62% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Niagara Falls to San Francisco
Explore weekly flight availability from Niagara Falls to San Francisco. 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 11 July 2026.
The most flights from NI4 to SFO are scheduled on a Thursday (24 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).
How much does it cost to fly round-trip from Niagara Falls to San Francisco?
What is the cheapest day to fly from Niagara Falls to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Niagara Falls to San Francisco. Price data was last updated on 4 July 2026.
Travelers seeking maximum savings on their Niagara Falls to San Francisco flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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 11 July 2026.
See what other customers who have flown with Porter Airlines,Air Transat, andUnited Airlines from Niagara Falls 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.
Staff very nice. Seats were uncomfortable. Complimentary snacks leave much to be desired.
Related info for your journey
Find useful and relevant information for your journey from Niagara Falls 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 Niagara Falls?
San Francisco (SFO), located 17.7 km from the city centre, is the airport you fly into when you book flights from Niagara Falls to San Francisco. 7 airlines have flights to San Francisco from Niagara Falls on a regular basis. Booking flights from Niagara Falls to San Francisco should not be difficult; the airport handles an average of 20 inbound flights from Niagara Falls per day.
How long is the flight from Niagara Falls to San Francisco?
For as low as C$ 548, Porter Airlines can have you in San Francisco from Niagara Falls in 5h 35m. There are 3626 km between Niagara Falls and San Francisco. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Niagara Falls to San Francisco one-way?
The cheapest airlines for a one-way flight from Niagara Falls to San Francisco are WestJet (C$ 180), Porter Airlines (C$ 218), and Air Transat (C$ 230).
What are the most reliable airlines from Niagara Falls to San Francisco?
Consider Singapore Airlines (75%), American Airlines (67%) or Porter Airlines (67%) when booking your flight. These represent the most reliable airlines when flying from Niagara Falls to San Francisco.
What are the cheapest flights from Niagara Falls to San Francisco?
On average you can expect to pay C$ 2,776 for a flight from Niagara Falls to San Francisco. The cheapest flight overall is C$ 255 while the most popular route, (Toronto Pearson Intl - San Francisco) is currently priced at C$ 396.
Can I find deals for flights from Niagara Falls to San Francisco that include hotel bookings?
Yes. In addition to deals on Niagara Falls to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Niagara Falls to San Francisco?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Niagara Falls to San Francisco.
Can I find deals for business class flights from Niagara Falls to San Francisco?
Yes. Cheapflights offers flight deals from Niagara Falls 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.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 July 2026.
Top 7 airlines flying from Niagara Falls to San Francisco
Discover the top 7 airlines that operate flights from Niagara Falls 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 629,999 searches. Data last updated 11 July 2026.
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 Niagara Falls to San Francisco?
Cheapflights helps you search for flights from Niagara Falls to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Niagara Falls 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 Niagara Falls to San Francisco.
Can Cheapflights find flights from Niagara Falls to San Francisco with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Niagara Falls to San Francisco, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Niagara Falls to San Francisco 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!
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