Cheap flights from Niagara Falls, ON to San Francisco from C$ 263

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 24/1. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — SFO
7 Feb — 14 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Niagara Falls to San Francisco are usually found in March or April, booked 61 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap 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 8 January 2026.

Round-trip from

C$ 372

One-way from

C$ 263

Popular in

December

Cheapest in

March

Average price

C$ 510
Porter Airlines
  • Porter Airlines
  • 21/1-25/1
  • Nonstop
  • 10h 50m total
  • Niagara Falls to San Francisco
24/1
  • 24/1
  • 2 total stops
  • 47h 24m total
  • Niagara Falls to San Francisco
Highest demand for flights based on searches. 7% potential increase in price (C$ 54 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
Average for round-trip flights in January 2026

Find flight deals from Niagara Falls to San Francisco

Enter your travel dates to find the best prices.

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 8 January 2026.

Wed 21/19:50 a.m.YYZ - SFO
Nonstop5h 53mPorter Airlines
Sun 25/11:45 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 7/1C$ 372
Mon 16/39:50 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Wed 18/31:45 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 7/1C$ 373
Fri 24/49:50 a.m.YYZ - SFO
Nonstop5h 55mMultiple Airlines
Wed 29/47:00 a.m.SFO - YYZ
2 stops12h 52mMultiple Airlines
Deal found 7/1C$ 375
Wed 11/39:40 a.m.YYZ - SFO
3 stops25h 18mMultiple Airlines
Wed 1/41:45 p.m.SFO - YYZ
Nonstop4h 57mMultiple Airlines
Deal found 6/1C$ 376
Thu 5/29:50 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Sat 14/21:45 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 6/1C$ 377
Thu 5/24:45 p.m.YYZ - SFO
1 stop9h 18mAlaska Airlines
Tue 10/22:30 p.m.SFO - YYZ
1 stop22h 05mAlaska Airlines
Deal found 7/1C$ 379
Thu 23/49:50 a.m.YYZ - SFO
Nonstop5h 55mMultiple Airlines
Fri 24/41:00 p.m.SFO - YYZ
1 stop8h 26mMultiple Airlines
Deal found 7/1C$ 380
Tue 21/410:00 a.m.YYZ - SFO
2 stops16h 25mMultiple Airlines
Mon 27/41:45 p.m.SFO - YYZ
Nonstop4h 57mMultiple Airlines
Deal found 6/1C$ 382
Mon 20/410:45 a.m.YYZ - SFO
Nonstop5h 40mAir Canada
Sun 26/48:45 a.m.SFO - YYZ
Nonstop5h 00mAir Canada
Deal found 7/1C$ 383
Mon 20/410:45 a.m.YYZ - SFO
Nonstop5h 40mAir Canada
Wed 29/44:15 p.m.SFO - YYZ
Nonstop5h 00mAir Canada
Deal found 6/1C$ 384
Sat 25/49:50 a.m.YYZ - SFO
Nonstop5h 55mPorter Airlines
Thu 30/41:45 p.m.SFO - YYZ
Nonstop4h 57mPorter Airlines
Deal found 6/1C$ 386
Mon 20/49:50 a.m.YYZ - SFO
Nonstop5h 55mMultiple Airlines
Tue 28/47:30 a.m.SFO - YYZ
1 stop8h 22mMultiple Airlines
Deal found 6/1C$ 387

Cheapflights Fare Finder

 
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 8 January 2026.
Use the filters below to find and compare flights from Niagara Falls to San Francisco that are best for you.

Fly from

Niagara Falls

Fly to

San Francisco

Route

Depart

Return

Price

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 21/4

4:55 p.m.-9:27 a.m.

1 stop19h 32m

San Francisco

Mon 27/4

9:10 p.m.-3:45 p.m.

1 stop15h 35m

C$ 379

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 25/2

4:45 p.m.-10:56 p.m.

1 stop9h 11m

San Francisco

Thu 5/3

6:30 a.m.-3:35 p.m.

1 stop30h 05m

C$ 379

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 21/4

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Tue 28/4

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 383

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 21/4

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Sat 25/4

1:45 p.m.-9:42 p.m.

Nonstop4h 57m

C$ 383

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 29/1

4:45 p.m.-11:03 p.m.

1 stop9h 18m

San Francisco

Sun 1/2

7:00 a.m.-3:35 p.m.

1 stop29h 35m

C$ 383

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 5/2

4:45 p.m.-11:03 p.m.

1 stop9h 18m

San Francisco

Sat 7/2

4:46 p.m.-3:35 p.m.

1 stop19h 49m

C$ 383

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/3

4:45 p.m.-6:07 p.m.

1 stop28h 22m

San Francisco

Sun 8/3

6:30 a.m.-3:35 p.m.

1 stop30h 05m

C$ 383

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 18/2

4:45 p.m.-8:46 a.m.

2 stops19h 01m

San Francisco

Wed 25/2

11:34 a.m.-3:35 p.m.

1 stop25h 01m

C$ 406

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 3/3

4:45 p.m.-8:46 a.m.

2 stops19h 01m

San Francisco

Sat 7/3

7:28 p.m.-2:35 p.m.

1 stop16h 07m

C$ 411

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 30/4

9:50 a.m.-12:45 p.m.

Nonstop5h 55m

San Francisco

Wed 6/5

1:25 p.m.-9:29 p.m.

Nonstop5h 04m

C$ 412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/1

Showing 1-10 of 23 results
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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.
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

How far ahead should I book a flight from Niagara Falls to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Niagara Falls to San Francisco. Price data was last updated on 2 January 2026.

The best time to book flights from Niagara Falls to San Francisco is 61 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Niagara Falls to San Francisco?

Currently, April is the cheapest month in which you can book a flight from Niagara Falls to San Francisco (average of C$ 199). Flying from Niagara Falls to San Francisco in December is currently the most expensive (average of C$ 350). 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 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 8 January 2026.

It’s optimal to fly from Niagara Falls to San Francisco at noon. By choosing this option you can save up to 51% on the cost of your flight, compared to a flight in the evening.

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 3 January 2026.

Travelers seeking maximum savings on their Niagara Falls to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 8 January 2026.

The most flights from NI4 to SFO are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Niagara Falls to San Francisco?

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 8 January 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.

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

Crew

8.6

Overall

8.0

Boarding

8.2

Entertainment

7.0

Food

7.6

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Mohameed,Nov 2025

LAS - YYZ

It's good. Planes are new and fresh. WiFi is best and stands out

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 19.0 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 14 inbound flights from Niagara Falls per day.

  • How long is the flight from Niagara Falls to San Francisco?

    For as low as C$ 379, Alaska Airlines can have you in San Francisco from Niagara Falls in 19h 32m. There are 3626 km between Niagara Falls and San Francisco.

  • 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$ 176), Porter Airlines (C$ 204), and Air Transat (C$ 225).

  • What are the most reliable airlines from Niagara Falls to San Francisco?

    Consider American Airlines (56%), Porter Airlines (56%) or Air Transat (56%) 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$ 1,385 for a flight from Niagara Falls to San Francisco. The cheapest flight overall is C$ 235 while the most popular route, (Toronto Pearson Intl - San Francisco) is currently priced at C$ 321.

  • 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.

  • What is the cheapest month to book a flight from Niagara Falls to San Francisco?

    Currently, April is the cheapest month in which you can book a flight from Niagara Falls to San Francisco (average of C$ 199). Flying from Niagara Falls to San Francisco in December is currently the most expensive (average of C$ 350). 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.

See more FAQs

Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Richmond
Newark
Burlingame
South San Francisco
Scotts Valley
Novato
Santa Clara
Vallejo

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Alternative routes for Niagara Falls to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

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 8 January 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 257AverageC$ 694FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
WestJetCheapestC$ 287AverageC$ 376FlexibilityNo cancel feeOn-time60%
Search WestJet flights
DeltaCheapestC$ 287AverageC$ 479FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Porter AirlinesCheapestC$ 318AverageC$ 470FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
Air CanadaCheapestC$ 329AverageC$ 525FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air TransatCheapestC$ 368AverageC$ 532FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
United AirlinesCheapestC$ 432AverageC$ 585FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Niagara Falls to San Francisco?

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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.

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