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GRM to BFI: distance & flight time
Grand Marais (Grand Marais Cook County Airport) → Seattle (Boeing Field King County International Airport)
1,474 mi
2,373 km · 1,281 nm
3h 40m
estimated nonstop flight time
-2h
time difference · heading west
See live GRM→BFI fares Phone-only fares on this route — call free
Flight time details
1,474 miles nonstop takes roughly 3h 40m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- GRM — Grand Marais Cook County Airport · Grand Marais, United States
- BFI — Boeing Field King County 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 GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Near BFI
- SEA · Seattle Tacoma International Airport6 mi away
- RNT · Renton Municipal Airport5 mi away
- PWT · Bremerton National Airport22 mi away
- TIW · Tacoma Narrows Airport22 mi away
Frequently asked questions
How far is GRM from BFI?
The flight distance from Grand Marais (GRM) to Seattle (BFI) is 1,474 miles (2,373 km, 1,281 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRM to BFI?
A nonstop flight takes about 3h 40m 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 Grand Marais and Seattle?
Seattle is 2 hours behind Grand Marais.
What is the cheapest way to fly from GRM to BFI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–BFI that never appear on search engines, with no booking fees.