Need help booking?
Unpublished phone-only deals available
YMH to SEA: distance & flight time
Mary's Harbour (Mary's Harbour Airport) → Seattle (Seattle Tacoma International Airport)
2,873 mi
4,623 km · 2,496 nm
6h 6m
estimated nonstop flight time
-4.5h
time difference · heading west
See live YMH→SEA fares Phone-only fares on this route — call free
Flight time details
2,873 miles nonstop takes roughly 6h 6m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time set-back when reading arrival times on your ticket.
The two airports
- YMH — Mary's Harbour Airport · Mary's Harbour, Canada
- SEA — Seattle Tacoma International Airport · Seattle, 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 YMH
- YFX · St. Lewis (Fox Harbour) Airport9 mi away
- YWM · Williams Harbour Airport18 mi away
- YHA · Port Hope Simpson Airport24 mi away
- YAY · St. Anthony Airport64 mi away
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is YMH from SEA?
The flight distance from Mary's Harbour (YMH) to Seattle (SEA) is 2,873 miles (4,623 km, 2,496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YMH to SEA?
A nonstop flight takes about 6h 6m 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 time difference between Mary's Harbour and Seattle?
Seattle is 4.5 hours behind Mary's Harbour.
What is the cheapest way to fly from YMH to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YMH–SEA that never appear on search engines, with no booking fees.