Cheap flights from St. Louis to Montreal from £194
Trusted by millions
Kiwi.com Guarantee for stress-free travel
One search, all the best deals
Explore flight deals to Montreal
Not happy with the results? Try some of our useful filters
Search by stops
Search by carrier
Search by price
Search by departure date
Not happy with the results? Try some of our useful filters
Search by stops
Search by carrier
Search by price
Search by departure date
How much do flights to Montreal cost?
Cheapest one-way trip | £194 |
|---|---|
Cheapest nonstop round-trip | £739 |
Cheapest round-trip | £443 |
Average round-trip | £574 |
Nonstop flights in June | £280 – £1,020 |
Getting from Montreal airport to the city center
Fastest options: 747 Express Bus and taxi. Best value: STM 747 Express Bus.
Transport Option | Typical Time | Typical Cost | Frequency | Best For |
|---|---|---|---|---|
45-70 min | $11; single fare; day pass available | every 10–20 min (traffic dependent) | budget travelers | |
25-50 min | $41; fixed flat rate to downtown Montreal | on-demand 24/7 (traffic dependent) | convenience with luggage | |
25-50 min | $30 – $55; varies with demand and traffic | on-demand 24/7 (traffic dependent) | app-based convenience | |
25-50 min | $60 – $120; pre-booked; varies by provider | by reservation (traffic dependent) | groups or business travelers | |
25-50 min | $50 – $150; daily rate; varies by vehicle and season | on-demand (traffic dependent) | exploring beyond the city |
Notes:
- Prices in CAD; table created in 2025 and subject to change.
- The 747 Express Bus operates 24/7 and connects to Lionel-Groulx metro station and downtown stops including Berri-UQAM.
- Taxis have a fixed flat rate of CAD 41 to downtown Montreal; additional charges may apply for destinations outside the flat-rate zone.
- Road traffic can significantly affect journey times, especially during rush hours.
- We recommend checking official transport websites for your travel planning.
Updated: December 2025
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 | Mon 25.05 | Tue 26.05 | Wed 27.05 | Thu 28.05 | Fri 29.05 | Sat 30.05 | Sun 31.05 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 7 total | Daily flights: 1 average | Most flights: Monday 1 flights |
| Airline | Mon 01.06 | Tue 02.06 | Wed 03.06 | Thu 04.06 | Fri 05.06 | Sat 06.06 | Sun 07.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | --- | 1 | 1 | 1 | 1 | |
| Weekly flights: 6 total | Daily flights: 0.86 average | Most flights: Monday 1 flights |
| Airline | Mon 08.06 | Tue 09.06 | Wed 10.06 | Thu 11.06 | Fri 12.06 | Sat 13.06 | Sun 14.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 7 total | Daily flights: 1 average | Most flights: Monday 1 flights |
| Airline | Mon 15.06 | Tue 16.06 | Wed 17.06 | Thu 18.06 | Fri 19.06 | Sat 20.06 | Sun 21.06 |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | |
| Weekly flights: 7 total | Daily flights: 1 average | Most flights: Monday 1 flights |
Check-in for a flight from St. Louis to Montreal
| Name | Carrier code | IATA Code | Passport needed during booking |
|---|---|---|---|
| WestJet | WJA | WS | No |
| Frontier Airlines | FFT | F9 | No |
| Porter Airlines | POE | PD | No |
| United Airlines | UAL | UA | No |
| Copa Airlines | CMP | CM | Yes |
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 | 25°C | 16°C |
| September | 21°C | 12°C |
| October | 13°C | 6°C |
| November | 5°C | 0°C |
| December | -1°C | -7°C |
14 day forecast
Frequently asked questions
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any origin and destination in the world by plane. Find the cheapest routes and best deals, as well as the best dates to travel.
Explore alternative trips
Flights from St. Louis
Flights to Montreal
Popular routes
The nearest countries with flights to Montreal
Here is a list of countries people are flying from
Other destination countries from St. Louis
Here is a list of countries people are flying to
Airports near St. Louis
Airports near Montreal
Download our app