St Louis (STL) to Toronto (YYZ)
Flight time
≈ 2h 06m
Bearing
55° NE
St Louis (STL) to Toronto (YYZ) is 653 miles (1,051 km) as the crow flies — the great-circle baseline most distance-based mileage programs credit.
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What actually flies STL–YYZ
Filed traffic dataIn May 2026, Jazz Aviation operated the most departures, one of 2 carriers flying nonstop STL–YYZ; the Bombardier CRJ-900 was the most common aircraft at 89% of departures; flights ran 76% full.
Departures
61
May 2026
Seats
4,739
both directions
Passengers
3,622
both directions
Load factor
76.4%
RPM ÷ ASM
Who flies STL–YYZ?
Jazz Aviation operated the most nonstop STL–YYZ departures in May 2026 (60), one of 2 carriers on the route.
- QK
Jazz Aviation
60 departures · 4,560 seats
Share of departures98.4%78.0%
Load
- UA
1 departures · 179 seats
Share of departures1.6%37.4%
Load
What plane flies STL–YYZ?
In May 2026, the Bombardier CRJ-900 flew 89% of STL–YYZ departures — more than any other aircraft type.
- Bombardier CRJ-900
54 departures · 77.8% load
88.5% - Embraer E175
6 departures · 79.6% load
9.8% - Boeing 737 MAX 9
1 departures · 37.4% load
1.6%
How has STL–YYZ traffic changed?
Nonstop STL–YYZ departures rose from 60 in June 2025 to 61 in May 2026.
Monthly nonstop STL–YYZ traffic, trailing 12 months through May 2026. Bars scale to the busiest month; months with no filed service show as zero.
June 2025
60 departures · 4,910 passengers
59.7%
Load
July 2025
100 departures · 6,353 passengers
83.6%
Load
August 2025
113 departures · 5,931 passengers
68.2%
Load
September 2025
108 departures · 6,209 passengers
76.8%
Load
October 2025
112 departures · 6,231 passengers
73.2%
Load
November 2025
51 departures · 2,709 passengers
69.9%
Load
December 2025
54 departures · 2,816 passengers
68.6%
Load
January 2026
49 departures · 2,534 passengers
66.3%
Load
February 2026
45 departures · 2,266 passengers
66.3%
Load
March 2026
59 departures · 3,625 passengers
77.7%
Load
April 2026
56 departures · 3,487 passengers
80.6%
Load
May 2026
61 departures · 3,622 passengers
76.4%
Load
By direction
Each direction is filed separately — they rarely match.
YYZ → STL
68.2% full
31 departures · 1,606 passengers
STL → YYZ
84.6% full
30 departures · 2,016 passengers
Nonstop STL–YYZ traffic has been filed since 2025.
Source: US DOT BTS Form 41 T-100 Segment (All Carriers). Data through May 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 St Louis (STL) from Toronto (YYZ)?
STL to YYZ is 653 miles (1,051 km / 568 nautical miles) measured great-circle — the shortest path over the surface of the Earth.
How long is the flight from STL to YYZ?
A nonstop covers the 653-mile great-circle distance in roughly 2h 06m of block time, before winds. Actual schedules vary a few percent by direction and aircraft.
What plane flies STL–YYZ?
In May 2026, the Bombardier CRJ-900 flew the largest share of departures (88.5%), followed by the Embraer E175 (9.8%).
What mileage do I earn flying STL–YYZ?
Distance-based programs credit off the 653-mile great-circle figure, then apply your fare-class earning rate. Revenue-based programs credit off the fare instead.
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