1-stop connections via intermediate airports. Durations exclude layover.
Loading map...
Looking for flights from Seattle (SEA) to Boston (BOS)? DepartureMap shows you all available direct flights and 1-stop connecting options between these two cities.
There is a direct flight from Seattle to Boston with an average flight time of 5h 13m, covering a distance of 4,006 km. This route is operated by Delta Air Lines, Alaska Airlines.
20 connecting routes are available with 1 stop, flying via airports such as Toronto (YYZ), Chicago (ORD), New York (JFK). Total flight times shown exclude layover time at the connecting airport.