Montréal to St. Catharines flights
St. Catharines lies 519 km (323 mi) south-west of Montréal, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 25 min gate to gate, based on the distance and typical cruise speed with taxi and climb allowed for; connecting itineraries add the layover on top.
Open St. Catharines in Google Maps
| Montréal | St. Catharines | |
|---|---|---|
| Country | Canada | Canada |
| Population | 1.8 million | 136,803 |
| Elevation | 216 m (709 ft) | 102 m (335 ft) |
| Time now | UTC-4 (America/Toronto) | UTC-4 (America/Toronto) |
| Nearest large airport | YUL, 13 km out | BUF, 49 km out |
Airports at each end
Leaving Montréal
Montréal is served by 4 airports with scheduled flights within 100 km. The closest large one is Montreal / Pierre Elliott Trudeau International Airport (YUL), 13 km (8 mi) from the centre, whose 11,000-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Montréal / Saint-Hubert Metropolitan Airport (YHU, 13 km), Montreal Mirabel International Airport (YMX, 40 km), Plattsburgh International Airport (PBG, 96 km).
Arriving in St. Catharines
St. Catharines is served by 6 airports with scheduled flights within 100 km. The closest large one is Buffalo Niagara International Airport (BUF), 49 km (30 mi) from the centre, with a longest runway of 8,829 ft, which limits it to short and medium-haul aircraft. The alternatives are John C. Munro Hamilton International Airport (YHM, 56 km), Toronto Pearson International Airport (YYZ, 64 km), Niagara District Airport (YCM, 6 km), Niagara Falls International Airport (IAG, 25 km), Billy Bishop Toronto City Airport (YTZ, 52 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Buffalo Niagara International Airport | BUF | 49 km (30 mi) | 8,829 ft | 728 ft |
| John C. Munro Hamilton International Airport | YHM | 56 km (35 mi) | 10,006 ft | 780 ft |
| Toronto Pearson International Airport | YYZ | 64 km (40 mi) | 11,120 ft | 569 ft |
| Niagara District Airport (regional) | YCM | 6 km (4 mi) | 5,000 ft | 321 ft |
| Niagara Falls International Airport (regional) | IAG | 25 km (16 mi) | 9,826 ft | 589 ft |
| Billy Bishop Toronto City Airport (regional) | YTZ | 52 km (32 mi) | 3,988 ft | 252 ft |
Book a flight to St. Catharines
Our airline partner is activating live fares for this site; the search below opens the moment that is done. Hotels can be booked now.
Flights are sold here by AirOrSeaTravel through our booking partner, Nuitée, which takes the payment; the ticket is issued by the airline. How this works.
Staying in St. Catharines
Live rooms and prices for St. Catharines are in the search below.
Book a hotel in St. Catharines
Live rooms and prices from our booking partner, booked and paid for here. Free cancellation is marked where it applies.
Common questions
How far is St. Catharines from Montréal?
519 km (323 mi) in a straight line, south-west of Montréal.
How long does it take to get from Montréal to St. Catharines by air?
About 1 h 25 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Montréal and St. Catharines?
No, both are on America/Toronto at the moment.
Which airports are used for Montréal to St. Catharines flights?
Typically Montreal / Pierre Elliott Trudeau International Airport (YUL) to Buffalo Niagara International Airport (BUF); St. Catharines also has YHM, YYZ, YCM, IAG, YTZ.
Where these facts come from
- GeoNames (CC BY 4.0): population, elevation, time zone, postal codes
- Wikidata (CC0): area, sister cities, visitor numbers, heritage listings, stations and ports
- OurAirports (public domain): airports, runways
- Natural Earth (public domain): map outlines
Data compiled 14 September 2026. Hotel and hostel figures are from our booking partner’s catalogue on that date. Journey times on this page are estimates from distance, not timetables; check the operator before you rely on one.