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YMX to DCA: distance & flight time
Montreal (Montreal International (Mirabel) Airport) → Washington (Ronald Reagan Washington National Airport)
496 mi
798 km · 431 nm
1h 33m
estimated nonstop flight time
Same time
time difference · heading south
See live YMX→DCA fares Phone-only fares on this route — call free
Flight time details
496 miles nonstop takes roughly 1h 33m gate to gate, flying south. 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
- YMX — Montreal International (Mirabel) Airport · Montreal, Canada
- DCA — Ronald Reagan Washington National Airport · Washington, United States
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 YMX
- YUL · Montreal / Pierre Elliott Trudeau International Airport20 mi away
- YHU · Montréal / Saint-Hubert Airport32 mi away
- YJN · St Jean Airport45 mi away
- YCC · Cornwall Regional Airport48 mi away
Near DCA
Frequently asked questions
How far is YMX from DCA?
The flight distance from Montreal (YMX) to Washington (DCA) is 496 miles (798 km, 431 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YMX to DCA?
A nonstop flight takes about 1h 33m 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 YMX to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YMX–DCA that never appear on search engines, with no booking fees.