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Niagara Falls

$169+ 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 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
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 September 15, 2025.

Round-trip from

$257
(oojo)

One-way from

$169
(Air Canada)

Popular in

December

Cheapest in

February

Average price

$457
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 ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:45 amSFO - YYZ
1 stop11h 47mMultiple Airlines
Mon 11/109:30 pmYYZ - SFO
1 stop17h 42mMultiple Airlines
Deal found 9/15$256
This oojo deal was found by Cheapflights users on 9/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/107:30 amSFO - YYZ
2 stops10h 31mWestJet
Wed 10/1510:20 pmYYZ - SFO
2 stops26h 04mWestJet
Deal found 9/15$257
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Thu 10/1610:15 amSFO - YYZ
2 stops11h 16mMultiple Airlines
Tue 10/214:00 pmYYZ - SFO
2 stops20h 30mMultiple Airlines
Deal found 9/15$258
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:45 amSFO - YYZ
1 stop21h 35mMultiple Airlines
Mon 10/610:20 pmYYZ - SFO
2 stops16h 34mMultiple Airlines
Deal found 9/15$259
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/228:00 amSFO - YYZ
1 stop8h 58mMultiple Airlines
Sun 10/269:45 amYYZ - SFO
Nonstop5h 55mMultiple Airlines
Deal found 9/15$261
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/57:30 amSFO - YYZ
2 stops14h 01mMultiple Airlines
Wed 10/86:30 amYYZ - SFO
1 stop30h 00mMultiple Airlines
Deal found 9/15$262
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/287:30 amSFO - YYZ
2 stops14h 01mMultiple Airlines
Mon 9/299:45 amYYZ - SFO
Nonstop5h 38mMultiple Airlines
Deal found 9/12$263
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:00 pmSFO - YYZ
1 stop8h 26mMultiple Airlines
Mon 11/39:45 amYYZ - SFO
Nonstop5h 55mMultiple Airlines
Deal found 9/14$264
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/297:30 amSFO - YYZ
2 stops10h 31mMultiple Airlines
Sat 10/49:45 amYYZ - SFO
Nonstop5h 38mMultiple Airlines
Deal found 9/14$265
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/311:00 pmSFO - YYZ
1 stop8h 26mMultiple Airlines
Wed 11/59:45 amYYZ - SFO
Nonstop5h 55mMultiple Airlines
Deal found 9/14$266
This FlightHub deal was found by Cheapflights users on 9/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:30 amSFO - YYZ
2 stops14h 01mWestJet
Tue 10/1410:25 pmYYZ - SFO
1 stop16h 29mWestJet
Deal found 9/15$267

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 September 15, 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

Sun 10/12

7:30 am-6:52 pm

1 stop8h 22m

Toronto Pearson Intl

Mon 11/3

5:20 pm-12:12 pm

2 stops21h 52m

$376

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 9/28

7:30 am-12:31 am

2 stops14h 01m

Toronto Pearson Intl

Sun 10/5

10:20 pm-1:57 pm

2 stops18h 37m

$389

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 10/26

5:30 am-4:40 pm

1 stop8h 10m

Toronto Pearson Intl

Wed 11/5

6:15 am-10:33 am

1 stop7h 18m

$397

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 10/8

12:43 am-2:30 pm

1 stop10h 47m

Toronto Pearson Intl

Wed 10/15

6:30 am-9:10 am

Nonstop5h 40m

$413

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 10/24

12:35 am-11:47 am

1 stop8h 12m

Toronto Pearson Intl

Sat 11/8

6:15 am-11:48 am

1 stop8h 33m

$413

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 10/13

12:43 am-10:36 pm

1 stop18h 53m

Toronto Pearson Intl

Fri 10/17

6:30 am-9:10 am

Nonstop5h 40m

$413

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 10/21

12:35 am-11:47 am

1 stop8h 12m

Toronto Pearson Intl

Mon 10/27

11:52 am-9:03 pm

1 stop12h 11m

$413

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 11/1

7:37 pm-4:35 pm

1 stop17h 58m

Toronto Pearson Intl

Wed 11/5

4:45 pm-9:55 am

2 stops20h 10m

$414

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 3/9

2:40 pm-3:35 pm

2 stops21h 55m

Toronto Pearson Intl

Thu 3/19

4:45 pm-10:10 pm

1 stop8h 25m

$415

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 10/8

12:43 am-2:30 pm

1 stop10h 47m

Toronto Pearson Intl

Thu 10/16

9:00 am-3:28 pm

1 stop9h 28m

$417

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
1
2
3

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 September 12, 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 September 15, 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 Wednesday 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 September 15, 2025.

The most flights from SFO to NI4 are scheduled on a Monday (25 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (21 on average).

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 September 15, 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
7.9
Good
363 reviews

Crew

8.6

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Porter Airlines
7.9
Good
363 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Transat
7.7
Good
438 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
United Airlines
7.4
Good
8,929 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
WestJet
7.2
Good
3,091 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.
Air Canada
7.1
Good
10,000 reviews
Porter Airlines
7.9
Good
363 reviews

Crew

8.6

Entertainment

7.0

Overall

7.9

Boarding

8.1

Comfort

7.9

Food

7.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Sep 2025

YYZ - OPO

Very disappointing, booked with Porter airlines and changed to Air Transit last minute. Old plane, cramped seating, even the aisle was the narrowest I’ve ever seen. Very uncomfortable flight. Full meal at 130 am and only a small piece of banana bread in the morning… should be opposite.

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 23 flights from San Francisco to Niagara Falls per day from 8 different airlines.

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

    A quick flight from San Francisco to Niagara Falls can take about 8h 10m. WestJet provides one of the quickest options available for as low as $397. The distance between San Francisco and Niagara Falls is about 2253 mi. This flight may include one or multiple stops.

  • 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 Porter Airlines ($171), Delta ($171), and Air Canada ($177).

  • 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: Porter Airlines (74%), Air Transat (74%), Brussels Airlines( 69%).

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

    While on average a flight from San Francisco to Niagara Falls is generally $1,168, our data shows the cheapest flight currently is $177. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $206 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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Top 8 airlines flying from San Francisco to Niagara Falls

Discover the top 8 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$36Average$81FlexibilityNo cancel feeOn-time62%
Porter AirlinesCheapest$165Average$395FlexibilityNo cancel feeOn-time52%
Air TransatCheapest$192Average$410FlexibilityNo cancel feeOn-time50%
DeltaCheapest$197Average$551FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$198Average$499FlexibilityNo cancel feeOn-time67%
WestJetCheapest$219Average$311FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$355Average$567FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$403Average$559FlexibilityNo cancel feeOn-time71%

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