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DCA to YMX: distance & flight time
Washington (Ronald Reagan Washington National Airport) → Montreal (Montreal International (Mirabel) Airport)
496 mi
798 km · 431 nm
1h 33m
estimated nonstop flight time
Same time
time difference · heading north
See live DCA→YMX fares Phone-only fares on this route — call free
Flight time details
496 miles nonstop takes roughly 1h 33m 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
- DCA — Ronald Reagan Washington National Airport · Washington, United States
- YMX — Montreal International (Mirabel) Airport · Montreal, 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 DCA
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
Frequently asked questions
How far is DCA from YMX?
The flight distance from Washington (DCA) to Montreal (YMX) is 496 miles (798 km, 431 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DCA to YMX?
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.
Are there nonstop flights from DCA to YMX?
Nonstop service on DCA–YMX depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 33m nonstop estimate.
What is the cheapest way to fly from DCA to YMX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DCA–YMX that never appear on search engines, with no booking fees.
Why are some DCA to YMX fares phone-only?
Consolidator contracts let us sell certain DCA–YMX tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.