Title: Cheap Flights from San Francisco (SFO) to Niagara Falls (IAG) - Expedia.ca ![Bridal Veil Falls which includes a city, landscape views and a waterfall](https://images.trvl-media.com/place/6066055/c442c496-ee29-41e5-9368-d8bd9109295b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6066055/c442c496-ee29-41e5-9368-d8bd9109295b.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from San Francisco (SFO) to Niagara Falls (IAG) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from San Francisco International Airport (SFO) to Niagara Falls, NY (IAG-Niagara Falls Intl.) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:sfo,to:iag,departure:02/10/2025TANYT&leg2=from:iag,to:sfo,departure:09/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 30% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) ## Frequently asked questions ### How much is a flight from San Francisco Airport to Niagara Falls Intl. Airport? > Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between San Francisco Airport and IAG start from . Make your booking ASAP to get the best price for your next big adventure. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport? > Most flights can be conveniently cancelled online, but whether you are charged a fee varies between airlines. If you do need to cancel your trip, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter). ### How do I find cheap flights from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG) that have flexible change policies? > Flights from San Francisco Airport to Niagara Falls Intl. Airport (IAG) offering flexible change policies are available with many airlines. Simply use our "No change fees" filter while searching. You'll only need to pay the cost difference between the two flights, with no added fees to worry about. ### How far is the flight from San Francisco Intl. Airport (SFO) to IAG? > You'll be in the air for a while, as the flight distance between San Francisco Airport and Niagara Falls Intl. Airport is 3,700 kilometres. Set up a playlist of your favourite songs before leaving home to stay entertained during the trip. ### Which airlines fly direct from San Francisco Airport to IAG? > You won't find any airlines flying directly between San Francisco Airport and Niagara Falls Intl. Airport (IAG), so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip! ### Are San Francisco Airport to Niagara Falls Intl. Airport (IAG) flight tickets cheaper when they're purchased at the last minute? > It is possible to score an amazing last-minute deal from San Francisco Intl. Airport (SFO) to Niagara Falls Intl. Airport (IAG), but it's also possible to miss out entirely! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a good bargain. Expedia compares carrier prices and updates flight deals frequently, so you can rest easy knowing you're always seeing the latest offers. ## Travel information | Origin airport | San Francisco Intl. | | --- | --- | | Destination airport | Niagara Falls Intl. | | Distance | 3667 km | ## Book with confidence ### San Francisco to Niagara Falls Flights **The easy way to book your flights from San Francisco to Niagara Falls**  With Expedia, it’s simple to find and book flights to Niagara Falls from San Francisco whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Niagara Falls Intl., too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from San Francisco to Niagara Falls today, tomorrow, or this week.   **Save dollars with cheap flights from San Francisco Intl., SFO to Niagara Falls Intl., IAG**  Sort your search results by price to find great deals on your flight from San Francisco to Niagara Falls—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Niagara Falls from San Francisco currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to Niagara Falls   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to Niagara Falls from San Francisco**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. 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