Seattle (SEA) to Toronto (YYZ)
Flight time
≈ 4h 55m
Bearing
81° E
Seattle (SEA) to Toronto (YYZ) is 2,055 miles (3,307 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies SEA–YYZ
Filed traffic dataIn July 2026, Air Canada operated the most departures, one of 2 carriers flying nonstop SEA–YYZ; the Airbus A220-300 was the most common aircraft at 50% of departures; flights ran 90% full.
Departures
124
July 2026
Seats
19,462
both directions
Passengers
17,513
both directions
Load factor
90.0%
RPM ÷ ASM
Who flies SEA–YYZ?
Air Canada operated the most nonstop SEA–YYZ departures in July 2026 (62), one of 2 carriers on the route.
- AC
Air Canada
62 departures · 8,494 seats
Share of departures50.0%92.7%
Load
- AS
62 departures · 10,968 seats
Share of departures50.0%87.9%
Load
What plane flies SEA–YYZ?
In July 2026, the Airbus A220-300 flew 50% of SEA–YYZ departures — more than any other aircraft type.
- Airbus A220-300
62 departures · 92.7% load
50.0% - Boeing 737-900ER
36 departures · 86.8% load
29.0% - Boeing 737 MAX 9
22 departures · 88.9% load
17.7% - Boeing 737-800
4 departures · 92.2% load
3.2%
How has SEA–YYZ traffic changed?
Nonstop SEA–YYZ departures rose from 114 in August 2025 to 124 in July 2026.
Monthly nonstop SEA–YYZ traffic, trailing 12 months through July 2026. Bars scale to the busiest month; months with no filed service show as zero.
August 2025
114 departures · 18,259 passengers
92.1%
Load
September 2025
112 departures · 17,203 passengers
88.5%
Load
October 2025
130 departures · 16,797 passengers
81.5%
Load
November 2025
115 departures · 12,452 passengers
68.7%
Load
December 2025
119 departures · 14,383 passengers
76.3%
Load
January 2026
113 departures · 11,831 passengers
65.8%
Load
February 2026
108 departures · 10,678 passengers
62.9%
Load
March 2026
124 departures · 14,561 passengers
75.0%
Load
April 2026
118 departures · 15,451 passengers
83.0%
Load
May 2026
63 departures · 9,728 passengers
86.7%
Load
June 2026
60 departures · 9,332 passengers
87.4%
Load
July 2026
124 departures · 17,513 passengers
90.0%
Load
By direction
Each direction is filed separately — they rarely match.
SEA → YYZ
88.7% full
62 departures · 8,629 passengers
YYZ → SEA
91.3% full
62 departures · 8,884 passengers
Nonstop SEA–YYZ traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through July 2026; filings from 2025. Public domain (US Government work).
The airports
Toronto
CA
Toronto Pearson International Airport
Coordinates
43.68°N, 79.63°W
Hemisphere
N · W
Frequently asked
How far is Seattle (SEA) from Toronto (YYZ)?
SEA to YYZ is 2,055 miles (3,307 km / 1,786 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from SEA to YYZ?
A nonstop covers the 2,055-mile great-circle distance in roughly 4h 55m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies SEA–YYZ?
In July 2026, the Airbus A220-300 flew the largest share of departures (50.0%), followed by the Boeing 737-900ER (29.0%).
What mileage do I earn flying SEA–YYZ?
Distance-based programs credit off the 2,055-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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