Niagara Falls

$163+ Cheap flights from San Francisco (SFO) to Niagara Falls, ON, 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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — YYZ
Jun 2 — Jun 91
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Cheapflights Tip: The best prices from San Francisco to Niagara Falls are usually found in February or January, booked 66 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

Cheap 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 May 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/29. 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 8/201:00 pm
SFO
-
YYZ
1 stop8h 10m
WestJet
Thu 8/273:50 pm
YYZ
-
SFO
1 stop9h 05m
WestJet
Deal found 4/29$292
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/276:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Wed 6/39:00 am
YYZ
-
SFO
1 stop10h 40m
WestJet
Deal found 4/28$293
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 7/76:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Tue 7/216:15 am
YYZ
-
SFO
1 stop8h 45m
WestJet
Deal found 4/29$294
This Trip.com deal was found by Cheapflights users on 4/28. 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.
Mon 7/206:00 am
SFO
-
YYZ
2 stops12h 10m
WestJet
Tue 7/286:10 am
YYZ
-
SFO
2 stops13h 30m
WestJet
Deal found 4/28$295
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 6/116:05 pm
SFO
-
YYZ
1 stop9h 50m
WestJet
Wed 6/176:15 am
YYZ
-
SFO
1 stop8h 45m
WestJet
Deal found 4/29$296
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/96:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Thu 7/233:50 pm
YYZ
-
SFO
1 stop9h 05m
WestJet
Deal found 5/2$297
This Kiwi.com deal was found by Cheapflights users on 5/1. 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.
Wed 7/226:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Tue 7/283:50 pm
YYZ
-
SFO
1 stop9h 05m
WestJet
Deal found 5/1$298
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 7/66:05 pm
SFO
-
YYZ
1 stop9h 50m
WestJet
Tue 7/143:50 pm
YYZ
-
SFO
1 stop9h 05m
WestJet
Deal found 5/1$299
This Kiwi.com deal was found by Cheapflights users on 5/2. 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 7/136:00 am
SFO
-
YYZ
1 stop9h 55m
WestJet
Mon 7/276:15 am
YYZ
-
SFO
1 stop8h 45m
WestJet
Deal found 5/2$300
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:05 pm
SFO
-
YYZ
1 stop9h 50m
WestJet
Mon 9/76:15 am
YYZ
-
SFO
1 stop8h 45m
WestJet
Deal found 4/30$301
This Justfly.com deal was found by Cheapflights users on 4/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/146:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Mon 7/203:50 pm
YYZ
-
SFO
1 stop9h 05m
WestJet
Deal found 4/29$302
This WestJet deal was found by Cheapflights users on 4/30. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:00 am
SFO
-
YYZ
2 stops10h 55m
WestJet
Wed 9/309:00 am
YYZ
-
SFO
1 stop10h 40m
WestJet
Deal found 4/30$303

Find 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 May 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$292
(Kiwi.com)

One-way from

$163
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$457
Provider with most accurate pricing for San Francisco-Toronto (YTO) flight deals.
Provider most trusted by Cheapflights users for San Francisco-Toronto (YTO) flights.
From San Francisco to Niagara Falls
One-way flight from San Francisco to Niagara Falls
Highest demand for flights based on searches. 8% potential increase in price ($42 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in May 2026

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 May 3, 2026.
Use the filters below to find and compare flights from San Francisco to Niagara Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 6/5

9:55 pm-12:19 pm

1 stop11h 24m

Toronto Pearson Intl

Tue 6/16

5:45 pm-11:58 pm

1 stop9h 13m

$379

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 5/31

12:15 am-11:36 am

1 stop8h 21m

Toronto Pearson Intl

Mon 6/8

5:45 pm-11:58 pm

1 stop9h 13m

$406

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sat 5/23

8:25 am-11:58 pm

1 stop12h 33m

Toronto Pearson Intl

Sat 5/30

6:10 am-10:46 am

1 stop7h 36m

$438
Quickest round-trip

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Tue 8/25

1:20 pm-9:25 pm

Nonstop5h 05m

Toronto Pearson Intl

Sat 8/29

9:45 am-12:20 pm

Nonstop5h 35m

$439

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 6/10

5:40 am-3:19 pm

1 stop6h 39m

Toronto Pearson Intl

Sun 6/14

1:40 pm-10:49 pm

1 stop12h 09m

$443

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Sun 6/21

5:50 am-4:35 pm

1 stop7h 45m

Toronto Pearson Intl

Tue 7/7

6:10 am-10:27 am

1 stop7h 17m

$449

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Wed 5/20

8:25 am-11:58 pm

1 stop12h 33m

Toronto Pearson Intl

Tue 5/26

6:30 am-11:17 am

1 stop7h 47m

$468

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Fri 6/12

10:55 pm-1:34 pm

1 stop11h 39m

Toronto Pearson Intl

Sun 6/14

1:40 pm-10:49 pm

1 stop12h 09m

$493

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Mon 5/25

12:50 am-1:42 pm

1 stop9h 52m

Toronto Pearson Intl

Fri 5/29

5:16 pm-7:55 pm

Nonstop5h 39m

$495

San FranciscoToronto

SFO - YYZ

SFOYYZ

San Francisco

Thu 5/21

6:00 am-9:55 pm

1 stop12h 55m

Toronto Pearson Intl

Fri 5/29

2:20 pm-10:21 pm

1 stop11h 01m

$508

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 22 resultsSorted by cheapest first
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

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 May 3, 2026.

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?

Use this chart to determine the cheapest time to fly round-trip from San Francisco to Niagara Falls. Price data was last updated on April 25, 2026.

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 May 3, 2026.

The most flights from SFO to NI4 are scheduled on a Monday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 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 May 3, 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, 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.

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

Overall

8.0

Boarding

8.2

Food

7.6

Crew

8.6

Entertainment

7.0

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

John,Mar 2026

YYZ - PVR

I'm 6ft 4in. The seats don't have enough room. But was a good flight.

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 11.0 mi from the center of San Francisco. There are 21 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 5h 05m. Delta provides one of the quickest options available for as low as $439. 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 Flair Airlines ($104), WestJet ($104), and Porter Airlines ($137).

  • 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 (75%), Air Canada (73%), United Airlines( 71%).

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

    While on average a flight from San Francisco to Niagara Falls is generally $1,127, our data shows the cheapest flight currently is $174. When looking at the most popular route, (San Francisco - Toronto Pearson Intl), you can expect to pay $235 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

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 May 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$138Average$313FlexibilityNo cancel feeOn-time60%
Air TransatCheapest$160Average$512FlexibilityNo cancel feeOn-time50%
Porter AirlinesCheapest$161Average$388FlexibilityNo cancel feeOn-time52%
DeltaCheapest$185Average$451FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$196Average$506FlexibilityNo cancel feeOn-time67%
Qatar AirwaysCheapest$338Average$404FlexibilityNo cancel feeOn-time68%
United AirlinesCheapest$361Average$588FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$416Average$568FlexibilityNo cancel feeOn-time71%

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