Cheap flights from St. Louis to Montreal from $187
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How much do flights to Montreal cost?
Key info about flying to Montreal
Weekly direct flights
Discover the top airlines offering direct flights from St. Louis to Montreal in the next month. You’ll find the number of daily direct flights per airline in the chart.
| Airline | Sun 25.05 | Mon 26.05 | Tue 27.05 | Wed 28.05 | Thu 29.05 | Fri 30.05 | Sat 31.05 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 1 | 1 | --- | --- | --- | --- | 1 | |
| Weekly flights: 10 total | Daily flights: 1.43 average | Most flights: Sunday 1 flights |
| Airline | Sun 01.06 | Mon 02.06 | Tue 03.06 | Wed 04.06 | Thu 05.06 | Fri 06.06 | Sat 07.06 |
|---|---|---|---|---|---|---|---|
| --- | 1 | 1 | 1 | 1 | --- | 1 | |
| 1 | 1 | --- | --- | --- | 1 | --- | |
| Weekly flights: 8 total | Daily flights: 1.14 average | Most flights: Monday 1 flights |
| Airline | Sun 08.06 | Mon 09.06 | Tue 10.06 | Wed 11.06 | Thu 12.06 | Fri 13.06 | Sat 14.06 |
|---|---|---|---|---|---|---|---|
| 1 | --- | 1 | --- | --- | 1 | 1 | |
| --- | 1 | --- | 1 | 1 | --- | 1 | |
| Weekly flights: 8 total | Daily flights: 1.14 average | Most flights: Sunday 1 flights |
| Airline | Sun 15.06 | Mon 16.06 | Tue 17.06 | Wed 18.06 | Thu 19.06 | Fri 20.06 | Sat 21.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 14 total | Daily flights: 2 average | Most flights: Sunday 1 flights |
Check-in for a flight from St. Louis to Montreal
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| Air Canada | ACA | AC | Yes |
| WestJet | WJA | WS | No |
| Pascan Aviation | PSC | P6 | No |
| United Airlines | UAL | UA | No |
| Porter Airlines | POE | PD | No |
Online check-in is not available for these airlines.
Weather in Montreal
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | -5°C | -13°C |
| February | -3°C | -11°C |
| March | 2°C | -5°C |
| April | 10°C | 1°C |
| May | 18°C | 8°C |
| June | 22°C | 13°C |
| July | 26°C | 17°C |
| August | 24°C | 16°C |
| September | 21°C | 12°C |
| October | 13°C | 6°C |
| November | 5°C | 0°C |
| December | -1°C | -6°C |
14 day forecast
Frequently asked questions
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Flights from St. Louis
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