Wayfli › Seattle (SEA) › To Boston (BOS)

Seattle (SEA) to Boston (BOS) flights

There are direct flights from Seattle Tacoma International Airport to Boston General Edward Lawrence Logan International Airport, sold by 3 airlines (including codeshares): American Airlines, Alaska Airlines and jetBlue. The distance is 4,006 km, about 5h 25m in the air. There are also 20 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.

Live fares for SEA → BOSSee all routes on the map
4,006 kmdistance
~5h 25mdirect flight time (estimate)
3direct airlines
20one-stop options

Direct flights from Seattle to Boston

RouteAirlines (incl. codeshares)DistanceTime (est.)
SEA → BOSAmerican Airlines, Alaska Airlines, jetBlue4,006 km~5h 25m

Best one-stop connections

Through the biggest hubs first. Times include about 100 minutes to change planes.

ViaAirlinesDistanceTime (est.)
ORD ChicagoAmerican Airlines and Alaska Airlines then American Airlines and jetBlue4,153 km~7h 45m
DFW Dallas-Fort WorthAmerican Airlines and Alaska Airlines then American Airlines and jetBlue5,177 km~9h
ATL AtlantaAir France and Aeromexico then Air France and Aeromexico5,026 km~8h 50m
JFK New YorkAmerican Airlines and Alaska Airlines then American Airlines and jetBlue4,187 km~7h 45m
EWR NewarkAmerican Airlines and Alaska Airlines then jetBlue and United Airlines4,177 km~7h 45m
DEN DenverAmerican Airlines and Alaska Airlines then jetBlue and United Airlines4,461 km~8h 5m
YYZ TorontoAir Canada then Air Canada and Porter Airlines Canada4,023 km~7h 35m
CLT CharlotteAmerican Airlines then American Airlines and jetBlue4,831 km~8h 35m
IAD WashingtonUnited Airlines then jetBlue and United Airlines4,365 km~8h
PHL PhiladelphiaAmerican Airlines and Alaska Airlines then American Airlines and jetBlue4,268 km~7h 50m
DCA WashingtonAlaska Airlines then American Airlines and jetBlue4,380 km~8h
MDW ChicagoSouthwest Airlines then Southwest Airlines4,164 km~7h 45m

More from Seattle and Boston

Routes come from current airline fares, updated weekly (last update 9 November 2026), plus older schedule data for airports with few recent fares. “Direct” can include a few same-plane flights with a stop. Flight times are estimates from distance. Always check with the airline before booking.