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

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

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

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

The easiest way to view the best deals on flights from Niagara Falls to Seattle 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 Niagara Falls Intl. to Seattle - Tacoma 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 Niagara Falls and Seattle
  • 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 Niagara Falls to Seattle flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Niagara Falls Intl. to Seattle - Tacoma 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 IAG to SEA?
Pack your bags, because round-trip flights between IAG and SEA start from . That’s based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAG to Seattle - Tacoma Intl. Airport (SEA)?
The majority of flights can be cancelled online, but every airline has its own terms and conditions. If you do decide to cancel your flight, check out our Customer Service Portal and follow the instructions.
How do I find cheap flights from IAG to SEA 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 IAG to Sea-Tac Airport flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
Around 3,400 kilometres separates Niagara Falls and SeaTac, so pack some entertainment to help you while away a few hours. That latest bestseller you haven’t had time to finish will be perfect.
Which airlines fly direct from IAG to Sea-Tac Airport?
You won’t find any airlines operating directly between IAG and SEA, so be ready to make at least one stop on your journey. A layover, whether short or long, can be a good way to break up a trip!
Are Niagara Falls Intl. Airport to Sea-Tac Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute flight deals between Niagara Falls Intl. Airport (IAG) and Sea-Tac Airport are possible, it’s also a good idea to keep a close eye on prices well before you fly. In fact, some air carriers announce their prices up to 12 months prior to the departure date. Expedia is constantly updating the best bargains around, so keep checking and be ready to pounce when the price is low.
Niagara Falls Airports

Buffalo

Buffalo Niagara Intl. to Seattle
£213.63
*Available to Expedia members.