How long is the flight from Chicago O'Hare to Seattle?

ORD–BFI is about 3h 52m nonstop, covering 2,761 km (1,716 mi).

Which airlines fly nonstop from Chicago O'Hare to Seattle?

Sun Country Airlines operates this route nonstop.

ORDBFI

Chicago O'Hare International Airport (Chicago, United States) → King County International Airport - Boeing Field (Seattle, United States)

Also known as Seattle.

Live schedule data isn't available for this route right now, but it's flown nonstop by Sun Country Airlines.

How long is the flight from Chicago O'Hare to Seattle?: ORD–BFI is about 3h 52m nonstop, covering 2,761 km (1,716 mi).
Which airlines fly nonstop from Chicago O'Hare to Seattle?: Sun Country Airlines operates this route nonstop.