HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Niagara Falls

$77+ Cheap flights from San Antonio (SAT) 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — YYZ
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from San Antonio to Niagara Falls with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from San Antonio to Niagara Falls are usually found in January or February, booked 77 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Find flight deals from San Antonio to Niagara Falls

Cheapest flights from San Antonio to Niagara Falls
Explore the most affordable flight options available from San Antonio to Niagara Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/23. 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 12/512:45 pmSAT - YYZ
1 stop24h 35mMultiple Airlines
Fri 12/128:20 pmYYZ - SAT
1 stop16h 30mMultiple Airlines
Deal found 10/23$302
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/66:00 amSAT - YYZ
1 stop9h 03mAmerican Airlines
Sat 12/136:00 amYYZ - SAT
1 stop12h 40mAmerican Airlines
Deal found 10/22$323
This Kiwi.com deal was found by Cheapflights users on 10/22. 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.
Sat 12/612:45 pmSAT - YYZ
1 stop10h 26mMultiple Airlines
Sat 12/138:20 pmYYZ - SAT
1 stop12h 35mMultiple Airlines
Deal found 10/22$349
This American Airlines deal was found by Cheapflights users on 10/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:17 amSAT - YYZ
1 stop10h 27mAmerican Airlines
Sun 2/1511:25 amYYZ - SAT
1 stop13h 04mAmerican Airlines
Deal found 10/22$360
This Kiwi.com deal was found by Cheapflights users on 10/21. 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 11/207:37 pmSAT - YYZ
1 stop18h 03mMultiple Airlines
Thu 11/277:55 pmYYZ - SAT
1 stop15h 49mMultiple Airlines
Deal found 10/21$362

Cheap flight deals from San Antonio to Niagara Falls

Keep the following information in mind while searching for San Antonio to Niagara Falls flight deals. Data was last updated October 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(Kiwi.com)

One-way from

$77
(Trip.com)

Popular in

June

Cheapest in

January

Average price

$548
Provider with most accurate pricing for San Antonio-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Antonio-Toronto (YTO) flights.
Search Deals
From San Antonio to Niagara Falls
Search Deals
One-way flight from San Antonio to Niagara Falls
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($40 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Antonio 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 October 23, 2025.
Use the filters below to find and compare flights from San Antonio to Niagara Falls that are best for you.

Fly from

San Antonio

Fly to

Niagara Falls

Route

Depart

Return

Price

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 11/20

7:37 pm-2:40 pm

1 stop18h 03m

Toronto Pearson Intl

Thu 11/27

7:55 pm-10:44 am

1 stop15h 49m

$362

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 12/5

1:55 pm-2:20 pm

3 stops23h 25m

Toronto Pearson Intl

Fri 12/12

8:20 pm-11:50 am

1 stop16h 30m

$412

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 12/15

12:45 pm-12:25 am

1 stop10h 40m

Toronto Pearson Intl

Sun 2/15

9:40 am-5:09 am

3 stops20h 29m

$433

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sun 12/21

2:01 pm-6:47 am

1 stop15h 46m

Toronto Pearson Intl

Tue 12/30

3:40 pm-5:01 pm

2 stops26h 21m

$433

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 10/30

7:35 pm-11:43 am

1 stop15h 08m

Toronto Pearson Intl

Sun 11/2

4:00 pm-6:32 pm

2 stops27h 32m

$435

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 12/6

12:45 pm-12:11 am

1 stop10h 26m

Toronto Pearson Intl

Sat 12/13

11:30 pm-11:26 pm

2 stops24h 56m

$441

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Thu 10/30

10:46 pm-2:20 pm

2 stops38h 34m

Toronto Pearson Intl

Wed 11/5

10:00 am-11:45 pm

1 stop14h 45m

$444

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Fri 10/31

7:35 pm-2:40 pm

1 stop18h 05m

Toronto Pearson Intl

Mon 11/3

4:00 pm-6:32 pm

2 stops27h 32m

$456

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Mon 10/27

7:35 pm-11:43 am

1 stop15h 08m

Toronto Pearson Intl

Sat 11/1

7:10 am-5:10 pm

1 stop11h 00m

$463

San AntonioToronto

SAT - YYZ

SATYYZ

San Antonio

Sat 12/13

12:45 pm-10:35 pm

1 stop8h 50m

$77

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 14 results
1
2

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from San Antonio to Niagara Falls. Price data was last updated on October 17, 2025.

The best time to book flights from San Antonio to Niagara Falls is 76 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 San Antonio to Niagara Falls?

Currently, December is the cheapest month in which you can book a flight from San Antonio to Niagara Falls (average of $141). Flying from San Antonio to Niagara Falls in October is currently the most expensive (average of $331). 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 SAT to NI4?

Find hourly flight availability from San Antonio 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 October 23, 2025.

It’s optimal to fly from San Antonio to Niagara Falls at noon. By choosing this option you can save up to 26% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from San Antonio 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 October 23, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from San Antonio to Niagara Falls have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,982 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,995 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,033 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
WestJet
7.2
Good
3,139 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Air Canada
7.1
Good
10,350 reviews
Delta
7.9
Good
7,982 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from San Antonio 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 Antonio to Niagara Falls?

    For a flight from San Antonio to Niagara Falls, you will be flying from San Antonio. San Antonio (SAT) is just 7.6 mi from the center of the city. San Antonio is the only San Antonio airport and it handles 0 outbound flights to Niagara Falls per day. 5 airlines have flights to Niagara Falls from San Antonio on a regular basis.

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

    The cheapest flight price from San Antonio to Niagara Falls is $541. On average you can expect to pay $651. The most popular route, (San Antonio - Toronto Pearson Intl), can usually be booked for $308.

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

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

  • How can I find direct flights from San Antonio 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 Antonio to Niagara Falls.

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

    Yes. Cheapflights offers flight deals from San Antonio 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 Antonio to Niagara Falls?

    Currently, December is the cheapest month in which you can book a flight from San Antonio to Niagara Falls (average of $141). Flying from San Antonio to Niagara Falls in October is currently the most expensive (average of $331). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Antonio to Niagara Falls

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Pearson Intl flights
Dallas/Fort Worth to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Austin to Pearson Intl flights
Hobby to Pierre Elliott Trudeau Intl flights
Love Field to Pearson Intl flights
George Bush Intcntl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Toronto Island flights
Austin to Toronto Island flights
George Bush Intcntl to Toronto Island flights
Love Field to Pierre Elliott Trudeau Intl flights
Austin to Pierre Elliott Trudeau Intl flights
San Antonio to Pearson Intl flights
Hobby to Hamilton flights
Dallas/Fort Worth to Ottawa flights
El Paso to Pearson Intl flights
Hobby to Ottawa flights
George Bush Intcntl to Ottawa flights
McAllen to Pearson Intl flights
Lubbock to Pearson Intl flights
El Paso to Pierre Elliott Trudeau Intl flights
Love Field to Ottawa flights
Harlingen to Pierre Elliott Trudeau Intl flights
San Antonio to Pierre Elliott Trudeau Intl flights
Austin to Ottawa flights
George Bush Intcntl to London flights
Dallas/Fort Worth to London flights
Dallas/Fort Worth to Thunder Bay flights
Dallas/Fort Worth to Hamilton flights
McAllen to Pierre Elliott Trudeau Intl flights
Killeen to Pearson Intl flights
Austin to Kingston flights
Dallas/Fort Worth to Windsor flights
Harlingen to Pearson Intl flights
Brownsville to Pearson Intl flights
Laredo to Pierre Elliott Trudeau Intl flights
Austin to Sudbury flights
Love Field to Thunder Bay flights
Texarkana to Pearson Intl flights

Top 5 airlines flying from San Antonio to Niagara Falls

Discover the top 5 airlines that operate flights from San Antonio 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 October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$176Average$386FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$306Average$486FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$327Average$483FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$339Average$673FlexibilityNo cancel feeOn-time67%
WestJetCheapest$349Average$558FlexibilityNo cancel feeOn-time60%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.