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Cheap flights from Seattle to Niagara Falls

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Compare Seattle to Niagara Falls flight deals

Find the cheapest month or even day of the year to fly to Niagara Falls

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Flight deals from Seattle to Niagara Falls

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Niagara Falls? Find the lowest prices on one-way and round-trip tickets right here.
Toronto.$316 per passenger.Departing Tue, Nov 4, returning Fri, Nov 7.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Tue, Nov 4, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Fri, Nov 7, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $316, select.
Toronto.$324 per passenger.Departing Wed, Sep 24, returning Wed, Oct 1.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Wed, Sep 24, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Wed, Oct 1, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $324, select.
Toronto.$325 per passenger.Departing Tue, Sep 9, returning Sat, Sep 13.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Tue, Sep 9, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Sat, Sep 13, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $325, select.
Toronto.$380 per passenger.Departing Wed, Jul 9, returning Tue, Jul 15.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Wed, Jul 9, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Tue, Jul 15, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $380, select.
Toronto.$387 per passenger.Departing Sat, Aug 23, returning Tue, Sep 2.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Sat, Aug 23, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Tue, Sep 2, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $387, select.
Toronto.$387 per passenger.Departing Sat, Sep 6, returning Tue, Nov 4.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Sat, Sep 6, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Tue, Nov 4, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $387, select.
Toronto.$389 per passenger.Departing Wed, Aug 20, returning Wed, Aug 27.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Wed, Aug 20, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Wed, Aug 27, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $389, select.
Toronto.$390 per passenger.Departing Mon, Jun 30, returning Wed, Jul 9.Round-trip flight with Hawaiian Airlines and Porter Airlines.Outbound indirect flight with Hawaiian Airlines, departing from Seattle / Tacoma International on Mon, Jun 30, arriving in Toronto Island.Inbound indirect flight with Porter Airlines, departing from Toronto Island on Wed, Jul 9, arriving in Seattle / Tacoma International.Price includes taxes and charges.From $390, select.

Seattle to Niagara Falls: Flight information

The things to know before you go.
Fly intoToronto Island Airport
Distance to Niagara Falls65.4 km
Cheapest flight$316, Seattle Airport to Toronto Island Airport
Cheapest month to flyNovember

Find the cheapest month to fly from Seattle to Niagara Falls

We’re always keeping an eye on fares, so you can find the best flight deal in seconds. It looks like Seattle to Niagara Falls flights are currently cheapest in November. We’ve based this on flights into Toronto Island Airport.
May
from $1,317
Jun
from $435
Jul
from $380
Aug
from $389
Sep
from $325
Oct
from $409
Nov
from $316
Dec
Find prices
Jan
from $687
Feb
Find prices
Mar
Find prices
Apr
Find prices

Finding cheap flights from Seattle to Niagara Falls: Frequently asked questions

There are two (2) airports near Niagara Falls: Toronto Island Airport and Hamilton Airport.
The best price we found for a round-trip flight from Seattle to Niagara Falls is $316. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Seattle to Niagara Falls. But we found flights with one or more stops from $316.
We've checked every Seattle to Niagara Falls fare we could find, and the cheapest upcoming date to fly seems to be on Tuesday, November 4, 2025. Overall, the cheapest month to fly from Seattle to Niagara Falls is usually November.
If you're flying from Seattle, the cheapest airport near Niagara Falls is Toronto Island – which is 65.4 km away from the center of Niagara Falls. We've found flights to this airport from $316.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Niagara Falls on Tuesday, November 4, 2025.
No airlines currently offer direct flights between Seattle and Niagara Falls. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Niagara Falls but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Niagara Falls is around 40 days in advance, so don’t leave your flight to the last minute.
Toronto Island Airport is 65.4km from Niagara Falls, Hamilton Airport is 73.4km from Niagara Falls, and Toronto Pearson International Airport is 80.9km from Niagara Falls.
Toronto Island Airport is closest to Niagara Falls, at around 65.4 km away.
The cheapest airline that flies to Niagara Falls is Hawaiian Airlines.