Cheap flights from Montreal, Canada to St. Louis, MO
Flights starting at £137. Choose between WestJet, Porter Airlines, or United Airlines to find the best price.
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Travelers usually depart from Montréal–Pierre Elliott Trudeau International, or Montreal Saint-Hubert Longueuil when they travel from Montreal to St. Louis. The distance between Montreal and St. Louis is 1559 km. The most popular airlines for this route are WestJet, Porter Airlines, United Airlines, Southern Airways Express, and Frontier Airlines. Montreal and St. Louis have 231 direct flights per week.
Weekly direct flights
Discover the top airlines offering direct flights from Montreal to St. Louis in the next month. You’ll find the number of daily direct flights per airline in the table.
Weekly direct flights for Mon 27.05 - Sun 02.06
| Airline | Mon 27.05 | Tue 28.05 | Wed 29.05 | Thu 30.05 | Fri 31.05 | Sat 01.06 | Sun 02.06 |
|---|---|---|---|---|---|---|---|
| 1 | --- | --- | 1 | --- | 1 | 1 | |
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 03.06 - Sun 09.06
| Airline | Mon 03.06 | Tue 04.06 | Wed 05.06 | Thu 06.06 | Fri 07.06 | Sat 08.06 | Sun 09.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | --- | --- | 1 | |
| --- | --- | --- | --- | --- | --- | --- |
Weekly direct flights for Mon 10.06 - Sun 16.06
| Airline | Mon 10.06 | Tue 11.06 | Wed 12.06 | Thu 13.06 | Fri 14.06 | Sat 15.06 | Sun 16.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | --- | 1 | --- | 1 | |
| --- | --- | --- | --- | --- | 1 | --- |
Weekly direct flights for Mon 17.06 - Sun 23.06
| Airline | Mon 17.06 | Tue 18.06 | Wed 19.06 | Thu 20.06 | Fri 21.06 | Sat 22.06 | Sun 23.06 |
|---|---|---|---|---|---|---|---|
| 1 | --- | --- | --- | --- | 1 | --- | |
| --- | --- | --- | --- | --- | --- | --- |
Check-in for a flight from Montreal to St. Louis
| Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
|---|---|---|---|---|
| WestJet | WJA | WS | No | Opens 24 days before flight Closes 1 hours before flight |
| Porter Airlines | POE | PD | Yes | Opens 24 days before flight Closes 1 hours before flight |
| United Airlines | UAL | UA | Yes | No |
| Southern Airways Express | FDY | 9X | Yes | No |
| Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in St. Louis
Average Weather
| Month | Average monthly max temperature | Average monthly min temperature |
| January | 3°C | -3°C |
| February | 6°C | -2°C |
| March | 13°C | 3°C |
| April | 18°C | 8°C |
| May | 24°C | 14°C |
| June | 29°C | 19°C |
| July | 31°C | 21°C |
| August | 30°C | 20°C |
| September | 27°C | 16°C |
| October | 20°C | 10°C |
| November | 12°C | 3°C |
| December | 7°C | 0°C |
14 day forecast
Frequently asked questions
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The nearest countries with flights to St. Louis
Here is a list of countries people are flying from
Other destination countries from Montreal
Here is a list of countries people are flying toAirports near Montreal
- Montréal–Pierre Elliott Trudeau International
- Ottawa Macdonald–Cartier International
- Québec City Jean Lesage International
- Plattsburgh International
- Burlington International
- Lebanon Municipal
- Ogdensburg International
- Massena International
- Montreal Saint-Hubert Longueuil
- Adirondack Regional