Niagara Falls

Cheap flights from San Francisco (SFO) to Niagara Falls, ON, Canada

SFO — YYZ
Dec 13 — Dec 201
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Cheapflights Tip: The best prices from San Francisco to Niagara Falls are usually found in February or January, booked 79 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Find flight deals from San Francisco to Niagara Falls

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

June

Cheapest in

February

Average price

$496
Provider with most accurate pricing for San Francisco-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Toronto (YTO) flights.
Highest demand for flights based on searches. 10% potential increase in price ($59 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Niagara Falls

What is the cheapest time of day to fly from SFO to NI4?

It’s typically best to fly out from San Francisco to Niagara Falls at noon. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from San Francisco to Niagara Falls?

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

Reviews of airlines servicing Niagara Falls

Read reviews from past customers who have flown Porter Airlines,Delta, andUnited Airlines from San Francisco to Niagara Falls. 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

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Entertainment

6.9

Food

7.6

Reviews

1 / 20
6.0
Good

Shannon,Jul 2026

YQT - YOW

Seats need to be a bit bigger & I'm not impressed that you have to pay to change seats

Related info for your journey

  • What airport do you fly from for flights from San Francisco to Niagara Falls?

    If you book a flight to Niagara Falls from San Francisco, you will be flying from San Francisco, which is the city’s only airport. San Francisco (SFO) is located 11.0 mi from the center of San Francisco. There are 17 flights from San Francisco to Niagara Falls per day from 8 different airlines.

  • What are the cheapest airlines to fly from San Francisco to Niagara Falls one-way?

    The cheapest airlines for a one-way flight from San Francisco to Niagara Falls are WestJet ($120), Porter Airlines ($144), and Air Canada ($158).

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

    Before booking your flight to Niagara Falls from San Francisco, check out the most reliable airlines to get you to your destination on time: United Airlines (84%), Air Canada (78%), Air New Zealand( 70%).

  • What are the cheapest flights from San Francisco to Niagara Falls?

    While on average a flight from San Francisco to Niagara Falls is generally $1,046, our data shows the cheapest flight currently is $147. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $330 for that flight.

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

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

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

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

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

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

See more FAQs

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Top 8 airlines flying from San Francisco to Niagara Falls

AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$158Average$337FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$160Average$490FlexibilityNo cancel feeOn-time50%
Porter AirlinesCheapest$162Average$432FlexibilityNo cancel feeOn-time52%
DeltaCheapest$197Average$392FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$214Average$540FlexibilityNo cancel feeOn-time67%
Qatar AirwaysCheapest$338Average$404FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$423Average$625FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$454Average$612FlexibilityNo cancel feeOn-time71%

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