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IAD to YCM: distance & flight time
Washington (Washington Dulles International Airport) → Saint Catherines (Niagara District Airport)
307 mi
494 km · 267 nm
1h 16m
estimated nonstop flight time
Same time
time difference · heading north
See live IAD→YCM fares Phone-only fares on this route — call free
Flight time details
307 miles nonstop takes roughly 1h 16m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- IAD — Washington Dulles International Airport · Washington, United States
- YCM — Niagara District Airport · Saint Catherines, Canada
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near IAD
Near YCM
- YYZ · Lester B. Pearson International Airport41 mi away
- IAG · Niagara Falls International Airport13 mi away
- BUF · Buffalo Niagara International Airport28 mi away
- DU9 · Dunnville Airport31 mi away
Frequently asked questions
How far is IAD from YCM?
The flight distance from Washington (IAD) to Saint Catherines (YCM) is 307 miles (494 km, 267 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from IAD to YCM?
A nonstop flight takes about 1h 16m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from IAD to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on IAD–YCM that never appear on search engines, with no booking fees.