Direct flights from Seattle to Toronto

Did you mean Flights from Toronto to Seattle?

Seattle

United States

SEA

Seattle Tacoma International Airport

Toronto

Canada

YYZ

Lester B. Pearson International Airport

Route: Nonstop service available
Distance: 2,055 miles
Marketing airlines: 5 airlines
Aircraft: 8 aircraft types
Dates: Oct 19, 2026 – Oct 14, 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: 12,500 points + $5.00 for SEA → YYZ, Economy, on 2026-11-08, 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.

SEA → YYZEconomy
AS385
12,500 points+ $5.00
Departure
2026-11-08
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 01:53
SEA → YYZEconomy
AS385
12,500 points+ $5.00
Departure
2026-11-12
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 23:28
SEA → YYZEconomy
AS385
12,500 points+ $5.00
Departure
2026-11-19
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 02:03
SEA → YYZEconomy
AC540
21,000 points+ $33.00
Departure
2026-11-13
Seats seen
9
Book with
Virgin Australia
Observed (UTC)
2026-10-21 15:41
SEA → YYZEconomy
AS385
22,500 points+ $5.00
Departure
2026-11-20
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-22 07:01
SEA → YYZEconomy
AS385
27,500 points+ $5.00
Departure
2026-10-24
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 20:08
SEA → YYZEconomy
AS385
32,500 points+ $5.00
Departure
2026-10-23
Seats seen
9
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 22:13
SEA → YYZFirst
AS385
47,500 points+ $5.00
Departure
2026-11-12
Seats seen
2
Book with
Alaska Atmos Rewards
Observed (UTC)
2026-10-21 23:28

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Seattle to Toronto route overview

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

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

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

Marketing airlines listed in the current schedule, including codeshare sellers, are Air Canada (AC), Alaska Airlines (AS), 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 14, 2027.

Marketing airlines on the Seattle to Toronto 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.

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

Airline alliance affiliations represented: Oneworld, Star Alliance

Aircraft flying from SEA to YYZ

Frequently asked questions

Which airports serve the Seattle to Toronto route?

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

How far is Toronto from Seattle?

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

Are there direct flights from SEA to YYZ?

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

Which airlines market flights from SEA to YYZ?

Which aircraft fly from SEA to YYZ?

Aircraft listed in the current schedule include Airbus A220-300 (223), Airbus A320 (320), 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.