Cheap flights from Niagara-on-the-Lake to Seattle

Round-trip
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Boston (BOS)
Seattle (SEA)
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How to find the cheapest flight from
Niagara-on-the-Lake to Seattle (SEA)

All the information you need to plan the best null to SEA flight in 2021: compare Niagara-on-the-Lake to Seattle flight prices with the expected peak season, weather and rainfall in Seattle.
N1A - SEA
Price
C$ 390 - C$ 525
SEA
Temperature
5 - 19 °C
SEA
Precipitation
18 - 168 mm

Popular in

November

High demand for flights, 16% potential price rise

Cheapest in

April

Best time to find cheap flights, 12% potential price drop

Round-trip from

C$ 481

From Niagara-on-the-Lake to Seattle/Tacoma Intl

One-way from

C$ 283

One-way flight from Niagara-on-the-Lake to Seattle/Tacoma Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
When is the cheapest time to fly from Niagara-on-the-Lake to Seattle (N1A - SEA)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Niagara-on-the-Lake to Seattle as you normally would.

How far in advance should I book a flight from Niagara-on-the-Lake to Seattle?

To save up to 14% on this flight, we recommend booking at least 46 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Niagara-on-the-Lake to Seattle from C$ 635 1-2 weeks out and tickets from C$ 654 for flights departing within the next 72 hours.

Cheap flights from Niagara-on-the-Lake to Seattle in October, November 2021

The best prices found for Niagara-on-the-Lake to SEA flights for October, November
20 Nov - 29 Nov
C$ 363pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
4 Nov - 15 Nov
C$ 424pp
YYZ
Toronto Pearson Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
20 Nov - 29 Nov
C$ 433pp
YYZ
Toronto Pearson Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Niagara-on-the-Lake to Seattle 2021 flight deals

Cheap flights to Seattle from Niagara-on-the-Lake found for this year
20 Nov - 29 Nov
C$ 363pp
YYZ
Toronto Pearson Intl
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
4 Nov - 15 Nov
C$ 424pp
YYZ
Toronto Pearson Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl
20 Nov - 29 Nov
C$ 433pp
YYZ
Toronto Pearson Intl
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
YYZ
Toronto Pearson Intl

Direct flights to Seattle from Niagara-on-the-Lake

Save time with Niagara-on-the-Lake to Seattle direct flight deals
2 Mar - 16 Mar
C$ 527pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
28 Jan - 30 Jan
C$ 529pp
YYZ
Toronto Pearson Intl
Multiple Airlines
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl
19 Jan - 23 Jan
C$ 530pp
YYZ
Toronto Pearson Intl
Air Canada
Direct
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Air Canada
Direct
YYZ
Toronto Pearson Intl

Last minute flights from Niagara-on-the-Lake to Seattle

Late deals on round-trip flights to Seattle from Niagara-on-the-Lake, departing today and this week
31 Oct - 11 Nov
C$ 565pp
YYZ
Toronto Pearson Intl
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
YYZ
Toronto Pearson Intl
31 Oct - 10 Nov
C$ 571pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl
29 Oct - 1 Nov
C$ 584pp
YYZ
Toronto Pearson Intl
American Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
American Airlines
   
2 STOPS
YYZ
Toronto Pearson Intl

One-way flights to Seattle/Tacoma Intl from Niagara-on-the-Lake

The cheapest one-way flights from Niagara-on-the-Lake to Seattle
1:20 a.m. - 3:26 p.m.
Delta
2 stops
17h 06m
YYZ - SEA
Delta
C$ 283
Delta
7:00 a.m. - 3:58 p.m.
Air Canada
2 stops
11h 58m
YYZ - SEA
Air Canada
C$ 284
Air Canada
6:32 a.m. - 6:04 p.m.
American Airlines
2 stops
14h 32m
YYZ - SEA
American Airlines
C$ 287

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Niagara-on-the-Lake</span> to <span class="emphasized">Seattle</span> flights.

Flight FAQs

From Niagara-on-the-Lake to Seattle

What airport do you fly into for flights to Seattle from Niagara-on-the-Lake?

Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly into when you book flights from Niagara-on-the-Lake to Seattle. 6 airlines have flights to Seattle/Tacoma Intl from Niagara-on-the-Lake on a regular basis. Booking flights from Niagara-on-the-Lake to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 1 inbound flight from Niagara-on-the-Lake per day.

Which airlines flying from Niagara-on-the-Lake to Seattle/Tacoma Intl have flexible cancellations due to COVID-19?

Some of the carriers operating flights from Niagara-on-the-Lake to Seattle/Tacoma Intl that may be offering flexible cancellation policies are Air Canada, United Airlines, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Niagara-on-the-Lake to Seattle for under C$ 400 on Cheapflights?

Yes, there are multiple flights from Niagara-on-the-Lake to Seattle for under C$ 400. The cheapest flight booked recently is on Multiple Airlines for just C$ 350, but on average you can expect to pay C$ 424.

Are there direct flights from Niagara-on-the-Lake to Seattle for under C$ 600 on Cheapflights?

Cheapflights has 20 direct flights from Niagara-on-the-Lake to Seattle under C$ 600. A good price for a direct flight from Niagara-on-the-Lake to Seattle is less than C$ 550.

Are there last-minute flights available from Niagara-on-the-Lake to Seattle for under C$ 600?

There are currently 20+ open flights from Niagara-on-the-Lake to Seattle within the next 7 days for less than C$ 600.

What are the cheapest airlines to fly from Niagara-on-the-Lake to Seattle one-way?

One-way options have recently been found by users for as low as C$ 254 on Air Canada. Other airlines that offer cheap prices include Delta from C$ 259 and American Airlines from C$ 262 one-way.

What are the most popular airlines that fly from Niagara-on-the-Lake to Seattle?

When booking a flight from Niagara-on-the-Lake to Seattle, you may want to consider flying on Major Airline, American Airlines or Air Canada as they are the most popular for this route.

What are the cheapest flights from Niagara-on-the-Lake to Seattle?

On average you can expect to pay C$ 1,219 for a flight from Niagara-on-the-Lake to Seattle. The cheapest flight overall is C$ 282 while the most popular route, (Toronto Pearson Intl - Seattle/Tacoma Intl) is currently priced at C$ 363.

COVID Restrictions

View COVID Travel Restrictions for Seattle, WA

Do I need a COVID test to fly to Seattle from Niagara-on-the-Lake?

Information is based on travel restrictions from Niagara-on-the-Lake to Seattle/Tacoma Intl

Most visitors from Niagara-on-the-Lake need to provide a negative COVID-19 test result and/or quarantine to enter Seattle/Tacoma Intl.

COVID-19 testing requirements
Visitors from Niagara-on-the-Lake must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Niagara-on-the-Lake are not required to quarantine after entering Seattle/Tacoma Intl.

Do I need a test to fly back to Niagara-on-the-Lake from Seattle?

Returning to Niagara-on-the-Lake from Seattle/Tacoma Intl

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Niagara-on-the-Lake.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Niagara-on-the-Lake.

Hide COVID Travel Restrictions for Seattle, WA

Destination information for Seattle

Things to know before you go - useful duration and weather info for your trip from Niagara-on-the-Lake to Seattle.
Today's exchange rate
C$ 1 = $0.82
Average temperature for October in Seattle
16.0 °C
Avg rainfall for October in Seattle
88.0 mm

Airports servicing Niagara-on-the-Lake

Airports servicing Seattle

Top 5 airlines flying from Niagara-on-the-Lake to Seattle/Tacoma Intl

The chart below displays the airlines Cheapflights users travelling from Niagara-on-the-Lake to Seattle choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
WestJet
C$ 315 C$ 647 No cancel fee 60%
Search WestJet flights
American Airlines
C$ 322 C$ 622 No cancel fee 71%
Search American Airlines flights
Delta
C$ 337 C$ 578 No cancel fee N/A
Search Delta flights
Air Canada
C$ 393 C$ 786 No cancel fee 67%
Search Air Canada flights
United Airlines
C$ 498 C$ 699 No cancel fee 69%
Search United Airlines flights

Hourly flight availability from Niagara-on-the-Lake to Seattle

See what time of day planes typically take off from Niagara-on-the-Lake towards Seattle.
Afternoon Noon to 6 PM 100% of flight departures
Early morning Midnight to 6 AM 0% of flight departures
Morning 6 AM to noon 0% of flight departures
Evening 6 PM to midnight 0% of flight departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Niagara-on-the-Lake to Seattle
See how many times per day planes take to the skies headed from Niagara-on-the-Lake to Seattle.
Sunday
2 daily flights
Monday
0 flights
Tuesday
0 flights
Wednesday
2 daily flights
Thursday
0 flights
Friday
2 daily flights
Saturday
2 daily flights
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