Cheap Flights from Seattle (SEA) to Niagara Falls (IAG)

Popular airlines from Seattle-Tacoma International Airport (SEA) to Niagara Falls, NY (IAG-Niagara Falls Intl.)

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Flight from Seattle to Niagara Falls route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Niagara Falls Intl.
Distance
3362 km

Compare flights from Seattle to Niagara Falls easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Niagara Falls. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Niagara Falls Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Niagara Falls Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Niagara Falls Intl. (IAG)

The easiest way to view the best deals on flights from Seattle to Niagara Falls today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Niagara Falls Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Niagara Falls
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to Niagara Falls flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Niagara Falls Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to IAG?
If you're travelling from SEA to Niagara Falls Intl. Airport (IAG), round-trip flights start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang around. Book today and save yourself money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to Niagara Falls Intl. Airport (IAG)?
Every airline has its own set of terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from SEA to Niagara Falls Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Niagara Falls Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Niagara Falls Intl. Airport (IAG)?
The flying distance between SEA (SEA) and IAG (IAG) is 3,400 kilometres. Listen to some music or read a good book and the journey will zip on by.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to IAG?
Direct flights aren't available, so you'll have to make at least one stop between SEA and Niagara Falls Intl. Airport (IAG). Use the layover time to stretch your legs and enjoy some personal space.
Are Seattle - Tacoma Intl. Airport (SEA) to Niagara Falls Intl. Airport flight tickets cheaper when they're purchased at the last minute?
Fares from Sea-Tac Airport to Niagara Falls Intl. Airport are available up to 12 months prior to departure on Expedia. And although you may score a fantastic last-minute deal, it's not something you should bank on. Also, booking your flights well in advance means you'll have more choices — and you can avoid being wedged in the dreaded middle seat! We're always updating our fares to make sure you get the biggest bargains, so check back often for all the latest specials.

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