All airlines flying from Saint Louis (STL) to Montreal-Trudeau (YUL).

Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Daily 13:00 Saint Louis (STL) 1 16:35 Montreal-Trudeau (YUL)
Air Canada AC 1564 Non-stop Airbus A220-300 (223) 2:35 Effective 2026-05-01 through 2026-06-17
Daily 13:15 Saint Louis (STL) 1 16:50 Montreal-Trudeau (YUL)
Air Canada AC 1564 Non-stop Airbus A220-300 (223) 2:35 Effective 2026-06-18 through 2026-06-30
Daily 12:10 Saint Louis (STL) 1 15:42 Montreal-Trudeau (YUL)
Air Canada AC 8688 Non-stop Canadair CRJ 900 (CR9) 2:32 Effective 2026-07-01 through 2026-09-07
Daily 13:30 Saint Louis (STL) 1 16:59 Montreal-Trudeau (YUL)
Air Canada AC 8688 Non-stop Canadair CRJ 900 (CR9) 2:29 Effective 2026-09-08 through 2026-10-14
Non-Direct Flights:
Daily 06:30 Saint Louis (STL) 1 13:09 Montreal-Trudeau (YUL)
United Airlines UA 3621 1-stop Embraer EMB 175 (E7W) 5:39 Effective 2026-03-29 through 2026-04-29
Daily 06:30 Saint Louis (STL) 1 13:10 Montreal-Trudeau (YUL)
United Airlines UA 3621 1-stop Embraer EMB 175 (E7W) 5:40 Effective 2026-04-30 through 2026-05-20
Daily 06:30 Saint Louis (STL) 1 13:10 Montreal-Trudeau (YUL)
United Airlines UA 3621 1-stop Embraer EMB 175 (E7W) 5:40 Effective from 2026-06-25
Direct Codeshare Flights:
Daily 12:10 Saint Louis (STL) 1 15:42 Montreal-Trudeau (YUL)
United Airlines UA 6646 Non-stop Canadair CRJ 900 (CR9) 2:32 Effective 2026-07-01 through 2026-09-07
Codeshare flight, operated by Air Canada.(AC 8688)
Daily 13:00 Saint Louis (STL) 1 16:35 Montreal-Trudeau (YUL)
United Airlines UA 6646 Non-stop Airbus A220-300 (223) 2:35 Effective 2026-05-01 through 2026-06-17
Codeshare flight, operated by Air Canada.(AC 1564)
Daily 13:15 Saint Louis (STL) 1 16:50 Montreal-Trudeau (YUL)
United Airlines UA 6646 Non-stop Airbus A220-300 (223) 2:35 Effective 2026-06-18 through 2026-06-30
Codeshare flight, operated by Air Canada.(AC 1564)
Daily 13:30 Saint Louis (STL) 1 16:59 Montreal-Trudeau (YUL)
United Airlines UA 6646 Non-stop Canadair CRJ 900 (CR9) 2:29 Effective 2026-09-08 through 2026-10-14
Codeshare flight, operated by Air Canada.(AC 8688)




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All airlines flying from Saint Louis (STL) to Montreal-Trudeau (YUL).
Select flight date:
FLIGHT SCHEDULE
Direct Flights:
Air Canada AC1564
13:00
Saint Louis (STL) 1

16:35
Montreal-Trudeau (YUL)
Effective 2026-05-01 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Airbus A220-300 (223)
Direct Flights:
Air Canada AC1564
13:15
Saint Louis (STL) 1

16:50
Montreal-Trudeau (YUL)
Effective 2026-06-18 through 2026-06-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:35, non-stop
Airbus A220-300 (223)
Direct Flights:
Air Canada AC8688
12:10
Saint Louis (STL) 1

15:42
Montreal-Trudeau (YUL)
Effective 2026-07-01 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:32, non-stop
Canadair CRJ 900 (CR9)
Direct Flights:
Air Canada AC8688
13:30
Saint Louis (STL) 1

16:59
Montreal-Trudeau (YUL)
Effective 2026-09-08 through 2026-10-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 2:29, non-stop
Canadair CRJ 900 (CR9)
Non-Direct Flights:
United Airlines UA3621
06:30
Saint Louis (STL) 1

13:09
Montreal-Trudeau (YUL)
Effective 2026-03-29 through 2026-04-29
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:39, 1-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3621
06:30
Saint Louis (STL) 1

13:10
Montreal-Trudeau (YUL)
Effective 2026-04-30 through 2026-05-20
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:40, 1-stop
Embraer EMB 175 (E7W)
Non-Direct Flights:
United Airlines UA3621
06:30
Saint Louis (STL) 1

13:10
Montreal-Trudeau (YUL)
Effective from 2026-06-25
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Duration: 5:40, 1-stop
Embraer EMB 175 (E7W)
Direct Codeshare Flights:
United Airlines UA6646
12:10
Saint Louis (STL) 1

15:42
Montreal-Trudeau (YUL)
Effective 2026-07-01 through 2026-09-07
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 8688)
Duration: 2:32, non-stop
Canadair CRJ 900 (CR9)
Direct Codeshare Flights:
United Airlines UA6646
13:00
Saint Louis (STL) 1

16:35
Montreal-Trudeau (YUL)
Effective 2026-05-01 through 2026-06-17
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1564)
Duration: 2:35, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA6646
13:15
Saint Louis (STL) 1

16:50
Montreal-Trudeau (YUL)
Effective 2026-06-18 through 2026-06-30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 1564)
Duration: 2:35, non-stop
Airbus A220-300 (223)
Direct Codeshare Flights:
United Airlines UA6646
13:30
Saint Louis (STL) 1

16:59
Montreal-Trudeau (YUL)
Effective 2026-09-08 through 2026-10-14
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Codeshare flight, operated by Air Canada. (AC 8688)
Duration: 2:29, non-stop
Canadair CRJ 900 (CR9)
  • An international route departing from Saint Louis airport, United States (STL) and arriving at Montreal-Trudeau airport, Canada (YUL).
  • The flight distance is 967 miles, or 1557 km.
  • The timezone of the departure airport is UTC-6 , and the timezone of the arrival airport is UTC-5 . Current time at the point of departure is (loading...), and (loading...) at the point of arrival. There is a (loading...) hour time difference between the airports.
  • For direct flights, the flight time varies between 2:29 and 2:35.
Return (YUL-STL) flights
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