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

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

Frequently asked questions

How much does a flight from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight or cheap return flight from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from IAG to SEA is , when there's less demand. Off-peak months are often when you'll find lower airfares between these airports.
Which airlines fly direct from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
There aren't any direct flights from Niagara Falls, NY (IAG-Niagara Falls Intl.) to Seattle - Tacoma Intl. Airport (SEA). However, there are other airports that have nonstop flights. Hop on your plane at Pearson Intl. Airport (YYZ) and fly straight to Seattle without any detours.
What is the cheapest airline that flies from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from IAG to SEA. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
There aren't any daily nonstop flights departing from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from IAG to SEA?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
To touch down at Seattle - Tacoma Intl. Airport (SEA) without delays, opt for a flight that leaves Niagara Falls Intl. Airport (IAG) 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.
Is it cheaper to buy a plane ticket from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Last-minute bookings from IAG to SEA are usually more expensive. For the lowest rates, start searching for flights well in advance. That said, if you can play around with your travel dates, you may find a cheap fare just before your departure.
Is it cheaper to book an IAG to SEA flight and hotel package?
Booking an IAG to SEA flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our extensive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Niagara Falls Intl. Airport (IAG) to Seattle - Tacoma Intl. Airport (SEA)?
You can usually cancel or reschedule your IAG to SEA flight. However, if it's been more than 24 hours since booking, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Niagara Falls Intl.
Destination airport
Seattle - Tacoma Intl.
Distance
2101 mi

Book with confidence

Niagara Falls to Seattle Flights

The cheapest times to fly from Niagara Falls to Seattle

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 Niagara Falls to Seattle are during the month of . You can find some of the cheapest flights from Niagara Falls to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Niagara Falls to Seattle

Sunday is one of the best days to book for cheap flights from Niagara Falls to Seattle: 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 Niagara Falls to Seattle

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 Niagara Falls to Seattle 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 Niagara Falls to Seattle 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 Niagara Falls to Seattle 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.

 

Niagara Falls to Seattle Flights

Explore a world of travel with Expedia

*Available to One Key members.