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

For as low as C$ 408, WestJet can have you in San Francisco from Niagara Falls in 5h 39m. There are 3626 km between Niagara Falls and San Francisco. Both multi-stop and direct flights can be found to your destination and back.

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$ 174), Porter Airlines (C$ 203), and Air Transat (C$ 223).

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 112.0 mm per month. January is typically the wettest month, when rainfall can reach 112.0 mm. July is typically the driest time to visit San Francisco when rainfall is around 0.0 mm.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 11.0 C).

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

On average you can expect to pay C$ 1,616 for a flight from Niagara Falls to San Francisco. The cheapest flight overall is C$ 245 while the most popular route, (Toronto Pearson Intl - San Francisco) is currently priced at C$ 361.

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

Consider American Airlines (48%), Porter Airlines (48%) or Air Transat (48%) when booking your flight. These represent the most reliable airlines when flying from Niagara Falls to San Francisco.

What are the most popular airlines that fly from Niagara Falls to San Francisco?

Porter Airlines, Air Canada and United Airlines are the most popular airlines when flying from Niagara Falls to San Francisco.

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. 8 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.

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.

C$ 237+ Cheap Flights from Niagara Falls, ON to San Francisco

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

Airfare is below average for this route at the moment. Niagara Falls to San Francisco flights typically cost between C$ 383 and C$ 609 in April. The cheapest round-trip price found within the last 3 days was C$ 365 on Multiple Airlines (23 Apr-27 Apr).

Cheapflights Tip: The best prices from Niagara Falls to San Francisco are usually found in April or March, booked 61 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from Niagara Falls to San Francisco

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

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 21 February 2026.

Thu 23/49:50 a.m.

YYZ

SFO

Nonstop5h 55m

Multiple Airlines

Mon 27/49:20 p.m.

SFO

YYZ

1 stop19h 40m

Multiple Airlines

Deal found 18/2C$ 365

Mon 30/39:50 a.m.

YYZ

SFO

Nonstop5h 52m

Multiple Airlines

Wed 8/410:14 p.m.

SFO

YYZ

1 stop29h 46m

Multiple Airlines

Deal found 17/2C$ 368

Wed 8/49:50 a.m.

YYZ

SFO

Nonstop5h 55m

Multiple Airlines

Wed 8/410:14 p.m.

SFO

YYZ

1 stop29h 29m

Multiple Airlines

Deal found 17/2C$ 370

Mon 20/49:50 a.m.

YYZ

SFO

Nonstop5h 55m

Multiple Airlines

Tue 28/47:40 p.m.

SFO

YYZ

1 stop21h 15m

Multiple Airlines

Deal found 19/2C$ 371

Tue 7/49:50 a.m.

YYZ

SFO

Nonstop5h 55m

Multiple Airlines

Wed 8/410:14 p.m.

SFO

YYZ

1 stop29h 46m

Multiple Airlines

Deal found 18/2C$ 372

Mon 30/39:50 a.m.

YYZ

SFO

Nonstop5h 52m

Porter Airlines

Thu 9/41:45 p.m.

SFO

YYZ

Nonstop4h 57m

Porter Airlines

Deal found 19/2C$ 374

Thu 5/39:50 a.m.

YYZ

SFO

Nonstop5h 52m

Porter Airlines

Mon 9/31:45 p.m.

SFO

YYZ

Nonstop4h 57m

Porter Airlines

Deal found 18/2C$ 375

Mon 27/43:50 p.m.

YYZ

SFO

1 stop9h 05m

WestJet

Mon 4/51:00 p.m.

SFO

YYZ

1 stop9h 05m

WestJet

Deal found 18/2C$ 376

Mon 27/49:50 a.m.

YYZ

SFO

Nonstop5h 55m

Porter Airlines

Tue 28/41:45 p.m.

SFO

YYZ

Nonstop4h 57m

Porter Airlines

Deal found 19/2C$ 378

Sat 16/56:15 a.m.

YYZ

SFO

1 stop8h 45m

WestJet

Wed 20/56:00 a.m.

SFO

YYZ

2 stops10h 55m

WestJet

Deal found 19/2C$ 379

Fri 8/56:15 a.m.

YYZ

SFO

1 stop8h 45m

WestJet

Mon 11/56:00 a.m.

SFO

YYZ

2 stops10h 55m

WestJet

Deal found 19/2C$ 381

Wed 20/512:40 p.m.

YYZ

SFO

2 stops12h 15m

WestJet

Mon 25/56:00 a.m.

SFO

YYZ

2 stops12h 35m

WestJet

Deal found 19/2C$ 382

Find flight deals from Niagara Falls to San Francisco

Round-trip from	C$ 365
One-way from	C$ 237
Popular in	December
Cheapest in	April
Average price	C$ 474

23/4-27/4
1 total stop
25h 35m total
Niagara Falls to San Francisco

Search Deals

Porter Airlines
5/6
Nonstop
5h 35m total
Niagara Falls to San Francisco

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (C$ 38 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 18 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Mon 27/4

12:40 p.m.-9:55 p.m.

2 stops12h 15m

San Francisco

Fri 1/5

6:00 a.m.-7:55 p.m.

2 stops10h 55m

C$ 402

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 23/5

5:16 p.m.-7:55 p.m.

Nonstop5h 39m

San Francisco

Mon 25/5

8:10 a.m.-4:14 p.m.

Nonstop5h 04m

C$ 408

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 31/3

6:30 a.m.-9:23 a.m.

Nonstop5h 53m

San Francisco

Wed 8/4

1:50 p.m.-11:59 p.m.

1 stop7h 09m

C$ 417

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Fri 27/3

6:30 a.m.-9:40 a.m.

Nonstop6h 10m

San Francisco

Tue 31/3

11:52 p.m.-9:54 a.m.

1 stop7h 02m

C$ 417

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Tue 28/4

7:00 a.m.-12:03 p.m.

1 stop8h 03m

San Francisco

Tue 28/4

10:50 p.m.-9:54 a.m.

1 stop8h 04m

C$ 417

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Wed 1/4

6:30 a.m.-9:23 a.m.

Nonstop5h 53m

San Francisco

Thu 9/4

10:42 p.m.-7:00 a.m.

Nonstop5h 18m

C$ 417

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 2/4

6:30 a.m.-9:23 a.m.

Nonstop5h 53m

San Francisco

Thu 9/4

12:45 a.m.-11:49 a.m.

1 stop8h 04m

C$ 417

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 16/4

6:30 a.m.-9:23 a.m.

Nonstop5h 53m

San Francisco

Mon 20/4

10:42 p.m.-7:00 a.m.

Nonstop5h 18m

C$ 417

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Sat 4/4

6:30 a.m.-9:23 a.m.

Nonstop5h 53m

San Francisco

Sat 11/4

12:45 a.m.-11:49 a.m.

1 stop8h 04m

C$ 419

TorontoSan Francisco

YYZ - SFO

YYZSFO

Toronto Pearson Intl

Thu 28/5

5:16 p.m.-7:55 p.m.

Nonstop5h 39m

San Francisco

Wed 3/6

10:38 p.m.-9:54 a.m.

1 stop8h 16m

C$ 420

Flights are sorted by cheapest round-trip flights first.

Deals found on 19/2

Showing 1-10 of 21 results

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.

YYZ-SFO

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

NI4-SFO

YYZ-SFO

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

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, February is the cheapest month in which you can book a flight from Niagara Falls to San Francisco (average of C$ 188). Flying from Niagara Falls to San Francisco in December is currently the most expensive (average of C$ 346). 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?

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?

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

The most flights from NI4 to SFO are scheduled on a Thursday (18 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (11 on average).

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

Reviews of airlines servicing San Francisco

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.

Porter Airlines

8.0

Very good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Porter Airlines

8.0

Very good

419 reviews

Porter Airlines

8.0

Very good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Air Transat

7.7

Good

511 reviews

Porter Airlines

8.0

Very good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

United Airlines

7.4

Good

9,341 reviews

Porter Airlines

8.0

Very good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

WestJet

7.2

Good

3,270 reviews

Porter Airlines

8.0

Very good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Air Canada

7.1

Good

10,738 reviews

Porter Airlines

8.0

Very good

419 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

Related info for your journey

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. 8 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$ 408, WestJet can have you in San Francisco from Niagara Falls in 5h 39m. There are 3626 km between Niagara Falls and San Francisco. Both multi-stop and direct flights can be found to your destination and back.
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$ 174), Porter Airlines (C$ 203), and Air Transat (C$ 223).
What are the most reliable airlines from Niagara Falls to San Francisco?
Consider American Airlines (48%), Porter Airlines (48%) or Air Transat (48%) 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$ 1,616 for a flight from Niagara Falls to San Francisco. The cheapest flight overall is C$ 245 while the most popular route, (Toronto Pearson Intl - San Francisco) is currently priced at C$ 361.
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, February is the cheapest month in which you can book a flight from Niagara Falls to San Francisco (average of C$ 188). Flying from Niagara Falls to San Francisco in December is currently the most expensive (average of C$ 346). 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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Top 8 airlines flying from Niagara Falls to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
Flair Airlines	CheapestC$ 115	AverageC$ 468	FlexibilityNo cancel fee	On-timeN/A	Search Flair Airlines flights
American Airlines	CheapestC$ 255	AverageC$ 602	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Delta	CheapestC$ 257	AverageC$ 474	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
WestJet	CheapestC$ 283	AverageC$ 371	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Porter Airlines	CheapestC$ 306	AverageC$ 463	FlexibilityNo cancel fee	On-time52%	Search Porter Airlines flights
Air Canada	CheapestC$ 332	AverageC$ 541	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Air Transat	CheapestC$ 363	AverageC$ 525	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
United Airlines	CheapestC$ 424	AverageC$ 579	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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Cheapflights helps you search for flights from Niagara Falls to San Francisco via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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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Cheap flights from Niagara Falls, ON to San Francisco from C$ 237

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 5/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Niagara Falls to San Francisco

Cheapest flights from Niagara Falls to San FranciscoExplore 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 21 February 2026.

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 21 February 2026.

Best flights from Niagara Falls to San FranciscoDiscover carefully curated flight deals from Niagara Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 February 2026.

Discover carefully curated flight deals from Niagara Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 February 2026.

Direct flights from Niagara Falls to San FranciscoExplore direct flight options from Niagara Falls to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2026.

Explore direct flight options from Niagara Falls to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2026.

Last-minute flights from Niagara Falls to San FranciscoDiscover last-minute flight deals from Niagara Falls to San Francisco. Data last updated 21 February 2026 and is based on user searches.

Discover last-minute flight deals from Niagara Falls to San Francisco. Data last updated 21 February 2026 and is based on user searches.

One-way flights from Niagara Falls to San FranciscoSearch for one-way flight options from Niagara Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated 21 February 2026.

Search for one-way flight options from Niagara Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated 21 February 2026.

Find 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 21 February 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

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.

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 20 February 2026.

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

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 21 February 2026.

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 17 February 2026.

Weekly flight availability from Niagara Falls to San Francisco

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

Reviews of airlines servicing San Francisco

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.

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?

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

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

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

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

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

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

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

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

Travelling to a place near San Francisco?

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Alternative routes for Niagara Falls to San Francisco

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Complete your trip

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Niagara Falls and San Francisco flights

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Niagara Falls to San Francisco flights

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Top 8 airlines flying from Niagara Falls to San Francisco

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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 21 February 2026.

Best flights from Niagara Falls to San Francisco
Discover carefully curated flight deals from Niagara Falls to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 21 February 2026.

Direct flights from Niagara Falls to San Francisco
Explore direct flight options from Niagara Falls to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 21 February 2026.

Last-minute flights from Niagara Falls to San Francisco
Discover last-minute flight deals from Niagara Falls to San Francisco. Data last updated 21 February 2026 and is based on user searches.

One-way flights from Niagara Falls to San Francisco
Search for one-way flight options from Niagara Falls to San Francisco. Find affordable one-way fares based on user searches. Data last updated 21 February 2026.