How long is the flight from Boston to Seattle?

BOS–SEA is about 5h 23m nonstop, covering 4,006 km (2,489 mi).

Which airlines fly nonstop from Boston to Seattle?

Alaska Airlines, Delta Air Lines, JetBlue Airways operate this route nonstop.

BOSSEA

Boston Logan International Airport (Boston, United States) → Seattle–Tacoma International Airport (Seattle, United States)

Live schedule data isn't available for this route right now, but it's flown nonstop by Alaska Airlines, Delta Air Lines, JetBlue Airways.

How long is the flight from Boston to Seattle?: BOS–SEA is about 5h 23m nonstop, covering 4,006 km (2,489 mi).
Which airlines fly nonstop from Boston to Seattle?: Alaska Airlines, Delta Air Lines, JetBlue Airways operate this route nonstop.