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Niagara Falls

$150+ Cheap flights from San Francisco (SFO) to Niagara Falls, Canada

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
1 adult, Economy
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Cheapflights Tip: The best prices from San Francisco to Niagara Falls are usually found in February or March, booked 82 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from San Francisco to Niagara Falls

Keep the following information in mind while searching for San Francisco to Niagara Falls flight deals. Data was last updated August 1, 2025.

Round-trip from

$236
(Mytrip)

One-way from

$150
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$447
From San Francisco to Niagara Falls
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One-way flight from San Francisco to Niagara Falls
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from San Francisco to Niagara Falls

Cheapest flights from San Francisco to Niagara Falls
Explore the most affordable flight options available from San Francisco to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 1, 2025.

This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1310:15 amSFO - YYZ
1 stop11h 28mMultiple Airlines
Thu 9/186:30 pmYYZ - SFO
1 stop18h 00mMultiple Airlines
Deal found 7/31$236
This Mytrip deal was found by Cheapflights users on 7/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2210:15 amSFO - YYZ
1 stop18h 00mFlair Airlines
Fri 10/318:00 pmYYZ - SFO
1 stop16h 30mFlair Airlines
Deal found 7/31$243

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Francisco to Niagara Falls 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 2,558,603 searches. Data last updated August 1, 2025.
Use the filters below to find and compare flights from San Francisco to Niagara Falls that are best for you.

Fly from

San Francisco

Fly to

Niagara Falls

Route

Depart

Return

Price

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 9/13

10:15 am-12:43 am

1 stop11h 28m

Toronto Pearson Intl

Thu 9/18

6:30 pm-9:30 am

1 stop18h 00m

$236

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 10/22

10:15 am-7:15 am

1 stop18h 00m

Toronto Pearson Intl

Fri 10/31

8:00 pm-9:30 am

1 stop16h 30m

$243

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 9/12

10:15 am-6:55 am

3 stops17h 40m

$150

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 8/25

7:30 am-6:54 pm

1 stop8h 24m

$151

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 8/20

1:25 pm-9:29 pm

Nonstop5h 04m

$180

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 8/31

6:00 am-1:54 pm

Nonstop4h 54m

$186

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 8/23

11:00 pm-7:00 am

Nonstop5h 00m

$204

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 8/20

1:25 pm-9:29 pm

Nonstop5h 04m

$206

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 8/7

11:59 pm-11:50 am

1 stop8h 51m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from San Francisco to Niagara Falls

Have a flexible travel schedule? Discover the best time to fly to Niagara Falls from San Francisco 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 San Francisco to Niagara Falls

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

Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Niagara Falls. Price data was last updated on July 25, 2025.

To ensure you get the cheapest price possible for a flight from San Francisco to Niagara Falls, you should look to book at least 82 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, January is the cheapest month in which you can book a flight from San Francisco to Niagara Falls (average of $243). Flying from San Francisco to Niagara Falls in August is currently the most expensive (average of $348). 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 SFO to NI4?

Find hourly flight availability from San Francisco to Niagara Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 1, 2025.

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

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

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Niagara Falls. Price data was last updated on December 16, 2024.

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

Weekly flight availability from San Francisco to Niagara Falls

Explore weekly flight availability from San Francisco to Niagara Falls. 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 August 1, 2025.

The most flights from SFO to NI4 are scheduled on a Thursday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

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

Reviews of airlines servicing Niagara Falls

Get insights into the airlines that provide service to Niagara Falls. 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 Niagara Falls. Reviews last updated August 1, 2025.
Read reviews from past customers who have flown Porter Airlines, Air Transat, and United 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.
Porter Airlines
8.0
Very good
318 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Porter Airlines
8.0
Very good
318 reviews
Porter Airlines
8.0
Very good
318 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Transat
7.7
Good
424 reviews
Porter Airlines
8.0
Very good
318 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
United Airlines
7.4
Good
8,900 reviews
Porter Airlines
8.0
Very good
318 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
WestJet
7.2
Good
2,978 reviews
Porter Airlines
8.0
Very good
318 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience
Air Canada
7.1
Good
9,851 reviews
Porter Airlines
8.0
Very good
318 reviews

Comfort

8.0

Boarding

8.2

Food

7.6

Crew

8.7

Overall

8.0

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jul 2025

LIS - YYZ

Everything was on time and easy. Crew were nice on flights and helpful. International flight, so long and typically uncomfortable but not more than most. Food and drink service were below average but you get what you pay for. Overall, good experience

Related info for your journey

Find useful and relevant information for your journey from San Francisco to Niagara Falls. 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 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 11.8 mi from the center of San Francisco. There are 11 flights from San Francisco to Niagara Falls per day from 7 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 ($151), Porter Airlines ($180), and Air Canada ($186).

  • 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: Brussels Airlines (94%), Singapore Airlines (82%), Austrian Airlines( 77%).

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

    While on average a flight from San Francisco to Niagara Falls is generally $1,393, our data shows the cheapest flight currently is $155. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $236 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.

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

    Currently, January is the cheapest month in which you can book a flight from San Francisco to Niagara Falls (average of $243). Flying from San Francisco to Niagara Falls in August is currently the most expensive (average of $348). 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.

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Alternative routes for San Francisco to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
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Las Vegas to Region of Waterloo Intl flights
Los Angeles to Ottawa flights
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Ontario to Ottawa flights
Sacramento to Pierre Elliott Trudeau Intl flights
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Reno to Pearson Intl flights
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Long Beach to Pearson Intl flights
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Top 7 airlines flying from San Francisco to Niagara Falls

Discover the top 7 airlines that operate flights from San Francisco to Niagara Falls. 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 2,558,603 searches. Data last updated August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Porter AirlinesCheapest$158Average$393FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$193Average$410FlexibilityNo cancel feeOn-time50%
DeltaCheapest$197Average$550FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$199Average$505FlexibilityNo cancel feeOn-time67%
WestJetCheapest$216Average$310FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$350Average$574FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$403Average$545FlexibilityNo cancel feeOn-time71%

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