Wayfli › Boston (BOS) › To Seattle (SEA)
Boston (BOS) to Seattle (SEA) flights
There are direct flights from Boston General Edward Lawrence Logan International Airport to Seattle Tacoma 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 18 one-stop options, via airports such as Chicago, Dallas-Fort Worth and Atlanta.
Live fares for BOS → SEASee all routes on the map4,006 kmdistance
~5h 25mdirect flight time (estimate)
3direct airlines
18one-stop options
Direct flights from Boston to Seattle
| Route | Airlines (incl. codeshares) | Distance | Time (est.) |
|---|---|---|---|
| BOS → SEA | American Airlines, Alaska Airlines, jetBlue | 4,006 km | ~5h 25m |
Best one-stop connections
Through the biggest hubs first. Times include about 100 minutes to change planes.
| Via | Airlines | Distance | Time (est.) |
|---|---|---|---|
| ORD Chicago | American Airlines and jetBlue then American Airlines and Alaska Airlines | 4,153 km | ~7h 45m |
| DFW Dallas-Fort Worth | American Airlines and jetBlue then American Airlines and Alaska Airlines | 5,177 km | ~9h |
| ATL Atlanta | Air France and Aeromexico then Air France and Aeromexico | 5,026 km | ~8h 50m |
| JFK New York | American Airlines and jetBlue then American Airlines and Alaska Airlines | 4,187 km | ~7h 45m |
| EWR Newark | jetBlue and United Airlines then American Airlines and Alaska Airlines | 4,177 km | ~7h 45m |
| DEN Denver | jetBlue and United Airlines then American Airlines and Alaska Airlines | 4,461 km | ~8h 5m |
| YYZ Toronto | Air Canada and United Airlines then Air Canada | 4,023 km | ~7h 35m |
| CLT Charlotte | American Airlines and jetBlue then American Airlines | 4,831 km | ~8h 35m |
| IAD Washington | jetBlue and United Airlines then United Airlines | 4,365 km | ~8h |
| PHL Philadelphia | American Airlines and jetBlue then American Airlines and Alaska Airlines | 4,268 km | ~7h 50m |
| DCA Washington | American Airlines and jetBlue then Alaska Airlines | 4,380 km | ~8h |
| MDW Chicago | Southwest Airlines then Southwest Airlines | 4,164 km | ~7h 45m |
More from Boston and Seattle
- Seattle (SEA) to Boston (BOS) · return route
- All direct flights from Boston (BOS)
- All direct flights from Seattle (SEA)
- Boston to Istanbul (IST)
- Boston to Amsterdam (AMS)
- Boston to Paris (CDG)
- Boston to Frankfurt (FRA)
- Boston to Dubai (DXB)
- Boston to Beijing (PEK)
- Boston to Chicago (ORD)
- Boston to Dallas-Fort Worth (DFW)
- Boston to Madrid (MAD)
- Boston to Rome (FCO)
- Boston to Munich (MUC)
- Boston to London (LHR)
- Istanbul (IST) to Seattle
- Amsterdam (AMS) to Seattle
- Paris (CDG) to Seattle
- Frankfurt (FRA) to Seattle
- Dubai (DXB) to Seattle
- Beijing (PEK) to Seattle
- Chicago (ORD) to Seattle
- Dallas-Fort Worth (DFW) to Seattle
- Shanghai (PVG) to Seattle
- London (LHR) to Seattle
- Atlanta (ATL) to Seattle
- Houston (IAH) to Seattle
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.