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YRM to SEA: distance & flight time
Rocky Mountain House (Rocky Mountain House Airport) → Seattle (Seattle Tacoma International Airport)
476 mi
766 km · 413 nm
1h 30m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YRM→SEA fares Phone-only fares on this route — call free
Flight time details
476 miles nonstop takes roughly 1h 30m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- YRM — Rocky Mountain House Airport · Rocky Mountain House, 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 YRM
- YQF · Red Deer Regional Airport46 mi away
- YEG · Edmonton International Airport82 mi away
- YBA · Banff Airport89 mi away
- YXD · Edmonton City Centre (Blatchford Field) Airport98 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 YRM from SEA?
The flight distance from Rocky Mountain House (YRM) to Seattle (SEA) is 476 miles (766 km, 413 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YRM to SEA?
A nonstop flight takes about 1h 30m 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 Rocky Mountain House and Seattle?
Seattle is 1 hour behind Rocky Mountain House.
What is the cheapest way to fly from YRM to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YRM–SEA that never appear on search engines, with no booking fees.