Cheap Flights from San Francisco (SFO) to Niagara Falls (IAG)

Popular airlines from San Francisco Intl. Airport (SFO) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

Find available prices by choosing your travel dates.
Flights from San Francisco (SFO) to Niagara Falls (IAG)
Origin airport
San Francisco Intl.
Destination airport
Niagara Falls Intl.
Distance
2292 mi

San Francisco to Niagara Falls Flights

The cheapest times to fly from San Francisco to Niagara Falls

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Francisco to Niagara Falls are during the month of . You can find some of the cheapest flights from San Francisco to Niagara Falls with Expedia's search tool and vast selection of airlines.

The best time to book a flight from San Francisco to Niagara Falls

Sunday is one of the best days to book for cheap flights from San Francisco to Niagara Falls: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from San Francisco to Niagara Falls

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Francisco to Niagara Falls in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Francisco to Niagara Falls flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Francisco to Niagara Falls airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG) cost?
Discover the latest flight deals from SFO to IAG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SFO to IAG?
The cheapest flights from SFO to IAG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SFO to IAG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SFO to IAG. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG)?
Direct flights from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with our filter tool. Enter your travel dates and select either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SFO to IAG?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG)?
To land at Niagara Falls Intl. Airport (IAG) on time, opt for a flight that takes off from San Francisco Intl. Airport (SFO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Niagara Falls from San Francisco Intl. Airport (SFO)?
Browse your flight options from San Francisco Intl. Airport (SFO) to Pearson Intl. Airport (YYZ). This is the only Niagara Falls airport you can land at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG) last-minute?
Holding off until right before your break to book a ticket from SFO to IAG often results in higher prices. While it’s possible to find some last-minute deals, there’s no guarantee. Keep your travel plans flexible for a better chance of snagging a bargain.
Is it cheaper to book a SFO to IAG flight and hotel package?
Compared with arranging hotels and flights separately, booking a SFO to IAG flight and hotel package with Expedia could result in significant savings. What’s more, having everything in one place will take the stress out of planning your trip. Simply secure your flights and select from our extensive range of stays, then customize your trip with extras like activities and car rentals.
Can I cancel or change the date of my flight from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG)?
In most cases, you can cancel or reschedule your SFO to IAG flight. However, there may be additional fees, especially if you booked over 24 hours ago. Check your itinerary for the airline’s fees and guidelines on flight changes, or if you’d like further details, go to our Customer Service portal.

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*Available to One Key members.