Washington to St. Catharines flights
St. Catharines lies 510 km (317 mi) north of Washington, in the same time zone. What the numbers say about getting there, and where to book.
A nonstop flight would take about 1 h 24 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
| Washington | St. Catharines | |
|---|---|---|
| Country | United States | Canada |
| Population | 689,545 | 136,803 |
| Elevation | 6 m (20 ft) | 102 m (335 ft) |
| Time now | UTC-4 (America/New_York) | UTC-4 (America/Toronto) |
| Nearest large airport | DCA, 5 km out | BUF, 49 km out |
What changes when you arrive in St. Catharines
Crossing from United States into Canada: money changes from the Dollar to the Dollar (CAD); the dialling code becomes +1; the emergency number is http://www.wikidata.org/entity/Q533806.
Airports at each end
Leaving Washington
Washington is served by 3 airports with scheduled flights within 100 km. The closest large one is Ronald Reagan Washington National Airport (DCA), 5 km (3 mi) from the centre, with a longest runway of 7,169 ft, which limits it to short and medium-haul aircraft. The alternatives are Washington Dulles International Airport (IAD, 37 km), Baltimore/Washington International Thurgood Marshall Airport (BWI, 45 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
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Staying in St. Catharines
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Common questions
How far is St. Catharines from Washington?
510 km (317 mi) in a straight line, north of Washington.
How long does it take to get from Washington to St. Catharines by air?
About 1 h 24 min, estimated from distance and typical speeds for a nonstop flight. Timetables and traffic decide the real figure.
Is there a time difference between Washington and St. Catharines?
No, both are on the same offset at the moment.
Which airports are used for Washington to St. Catharines flights?
Typically Ronald Reagan Washington National Airport (DCA) to Buffalo Niagara International Airport (BUF); St. Catharines also has YHM, YYZ, YCM, IAG, YTZ.
What currency do I need in St. Catharines?
The Dollar (CAD).
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.