Direct flights from Toronto to Seattle

Did you mean Flights from Seattle to Toronto?

Toronto

Canada

YYZ

Lester B. Pearson International Airport

Seattle

United States

SEA

Seattle Tacoma International Airport

Route: Nonstop service available
Distance: 2,055 miles
Marketing airlines: 6 airlines
Aircraft: 7 aircraft types
Dates: Oct 19, 2026 – Oct 17, 2027

Observed award fares

A sample of one-way prices for one traveler from Roame’s fare cache. Points, fees, and seats describe the same observation. Availability can change; confirm with the loyalty program before transferring points.

Lowest price in this limited sample: 10,000 points + $62.00 for YYZ → SEA, Economy, on 2026-11-12, booked with Alaska Atmos Rewards. This is an observed fare, not a guaranteed price or the lowest price across all dates and programs.

Departure window: 2026-10-23 – 2026-11-21.

YYZ → SEAEconomy
AS391
10,000 points+ $62.00
Departure
2026-11-12
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 15:28
YYZ → SEAEconomy
AS391
10,000 points+ $62.00
Departure
2026-11-18
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 15:11
YYZ → SEAEconomy
AS391
12,500 points+ $62.00
Departure
2026-11-12
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 22:08
YYZ → SEAEconomy
AS391
12,500 points+ $62.00
Departure
2026-11-16
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 23:07
YYZ → SEAEconomy
AS391
12,500 points+ $62.00
Departure
2026-11-18
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-23 02:46
YYZ → SEAEconomy
AS391
15,000 points+ $62.00
Departure
2026-11-05
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 14:05
YYZ → SEAEconomy
AS391
15,000 points+ $62.00
Departure
2026-11-20
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 14:29
YYZ → SEAEconomy
AS391
17,500 points+ $62.00
Departure
2026-10-31
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 03:23
YYZ → SEAEconomy
AS391
17,500 points+ $62.00
Departure
2026-11-09
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 03:24
YYZ → SEAEconomy
AS391
17,500 points+ $62.00
Departure
2026-11-10
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 16:54
YYZ → SEAEconomy
AS391
22,500 points+ $62.00
Departure
2026-11-08
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 22:30
YYZ → SEAEconomy
AS391
22,500 points+ $62.00
Departure
2026-11-15
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 08:12

Toronto to Seattle route overview

Lester B. Pearson International Airport (YYZ) serves Toronto; Seattle Tacoma International Airport (SEA) serves Seattle.

The airports are 2,055 miles apart by great-circle distance.

Roame's current schedule feed shows nonstop service from YYZ to SEA.

Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC), Alaska Airlines (AS), Hawaiian Airlines (HA), Qatar Airways (QR), Brussels Airlines (SN) and United Airlines (UA). This list does not identify the operating airline for each flight; check the flight details before booking.

Published schedule dates span Oct 19, 2026 – Oct 17, 2027.

Marketing airlines on the Toronto to Seattle route

These are marketing airlines, including codeshare sellers. This list does not identify the operating airline for each flight; check the flight details before booking.

Hawaiian Airlines (HA)Codeshare only
Qatar Airways (QR)Codeshare only
Brussels Airlines (SN)Codeshare only

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from YYZ to SEA

Frequently asked questions

Which airports serve the Toronto to Seattle route?

Lester B. Pearson International Airport (YYZ) is the origin airport and Seattle Tacoma International Airport (SEA) is the destination airport.

How far is Seattle from Toronto?

YYZ and SEA are approximately 2,055 miles apart by great-circle distance.

Are there direct flights from YYZ to SEA?

Yes. Roame's current schedule feed shows nonstop service from YYZ to SEA.

Which airlines market flights from YYZ to SEA?

Which aircraft fly from YYZ to SEA?

Aircraft listed in the current schedule include Airbus A220-300 (223), Boeing 737-800 (738), Boeing 737-900 / Boeing 737-900ER (739), Boeing 737-800 Winglets (73H), Boeing 737-900 Winglets (73J), Boeing 737 MAX 8 (7M8) and JET.