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MSS to YWM: distance & flight time
Massena (Massena International Richards Field) → Williams Harbour (Williams Harbour Airport)
1,011 mi
1,627 km · 879 nm
2h 40m
estimated nonstop flight time
+1.5h
time difference · heading northeast
See live MSS→YWM fares Phone-only fares on this route — call free
Flight time details
1,011 miles nonstop takes roughly 2h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1.5-hour time gain when reading arrival times on your ticket.
The two airports
- MSS — Massena International Richards Field · Massena, United States
- YWM — Williams Harbour Airport · Williams Harbour, 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 MSS
- YCC · Cornwall Regional Airport18 mi away
- OGS · Ogdensburg International Airport35 mi away
- YOW · Ottawa Macdonald-Cartier International Airport48 mi away
- SLK · Adirondack Regional Airport49 mi away
Near YWM
- YFX · St. Lewis (Fox Harbour) Airport14 mi away
- YMH · Mary's Harbour Airport18 mi away
- YHA · Port Hope Simpson Airport21 mi away
- YBI · Black Tickle Airport62 mi away
Frequently asked questions
How far is MSS from YWM?
The flight distance from Massena (MSS) to Williams Harbour (YWM) is 1,011 miles (1,627 km, 879 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSS to YWM?
A nonstop flight takes about 2h 40m 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 MSS to YWM?
Nonstop service on MSS–YWM 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 2h 40m nonstop estimate.
What is the time difference between Massena and Williams Harbour?
Williams Harbour is 1.5 hours ahead of Massena.
What is the cheapest way to fly from MSS to YWM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSS–YWM that never appear on search engines, with no booking fees.
Why are some MSS to YWM fares phone-only?
Consolidator contracts let us sell certain MSS–YWM 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.