St. Catharines to Ottawa flights
Ottawa lies 376 km (234 mi) north-east of St. Catharines, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 14 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.
| St. Catharines | Ottawa | |
|---|---|---|
| Country | Canada | Canada |
| Population | 136,803 | 1 million |
| Elevation | 102 m (335 ft) | 71 m (233 ft) |
| Time now | UTC-4 (America/Toronto) | UTC-4 (America/Toronto) |
| Nearest large airport | BUF, 49 km out | YOW, 10 km out |
Airports at each end
Leaving 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).
Arriving in Ottawa
Ottawa is served by 5 airports with scheduled flights within 100 km. The closest large one is Ottawa Macdonald-Cartier International Airport (YOW), 10 km (6 mi) from the centre, whose 10,000-ft runway is long enough for long-haul wide-body aircraft. The alternatives are Ottawa / Rockcliffe Airport (YRO, 7 km), Ottawa / Gatineau Airport (YND, 16 km), Ogdensburg International Airport (OGS, 83 km), Massena International Airport Richards Field (MSS, 85 km).
| Airport | Code | From centre | Longest runway | Elevation |
|---|---|---|---|---|
| Ottawa Macdonald-Cartier International Airport | YOW | 10 km (6 mi) | 10,000 ft | 374 ft |
| Ottawa / Rockcliffe Airport (regional) | YRO | 7 km (4 mi) | 3,300 ft | 188 ft |
| Ottawa / Gatineau Airport (regional) | YND | 16 km (10 mi) | 6,000 ft | 211 ft |
| Ogdensburg International Airport (regional) | OGS | 83 km (52 mi) | 6,400 ft | 297 ft |
| Massena International Airport Richards Field (regional) | MSS | 85 km (53 mi) | 5,601 ft | 215 ft |
Book a flight to Ottawa
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Staying in Ottawa
Our booking partner lists 225 places to stay in Ottawa. Of the 118 with a star rating, the largest group is 3-star (57), and 1 are five-star. Across 106 properties with at least 50 reviews, the average guest score is 8.3 out of 10. Guests have left 134,689 reviews in total.
Book a hotel in Ottawa
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Common questions
How far is Ottawa from St. Catharines?
376 km (234 mi) in a straight line, north-east of St. Catharines.
How long does it take to get from St. Catharines to Ottawa by air?
About 1 h 14 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between St. Catharines and Ottawa?
No, both are on America/Toronto at the moment.
Which airports are used for St. Catharines to Ottawa flights?
Typically Buffalo Niagara International Airport (BUF) to Ottawa Macdonald-Cartier International Airport (YOW); Ottawa also has YRO, YND, OGS, MSS.
Where can I stay in Ottawa?
Our booking partner lists 225 places to stay in Ottawa, bookable on this site.
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 13 September 2026. Hotel 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.