Seattle to Boston flights
Direct and connecting flights from Seattle Tacoma International Airport (SEA) to General Edward Lawrence Logan International Airport (BOS) — airlines, aircraft types, and the safety record for this route.
Route FAQ
How long does the flight from Seattle to Boston take?
Flight time from Seattle (SEA) to Boston (BOS) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. The typical block time and frequency we have observed for this route are shown above.
Which airlines fly from Seattle to Boston?
Airline availability for SEA to BOS changes by season and sometimes week to week as carriers adjust capacity. The airlines and aircraft types observed operating this route, both direct and connecting, are listed below based on real flight-tracking data.
Are there direct flights from Seattle to Boston?
Direct (nonstop) availability on SEA to BOS varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons.
No fatal or serious occurrence recorded and attributed to operators on this pair in the last 90 days.
- Delta Air Lines5-yr attributed events: 52Last 90 days: none recorded
- Alaska Airlines5-yr attributed events: 7Last 90 days: none recorded
- JetBlue Airways5-yr attributed events: 13Last 90 days: none recorded
| Carrier | Sightings / 90d | Safety events |
|---|---|---|
| Delta Air Lines | 3 sightings | No recorded events |
| Alaska Airlines | 3 sightings | No recorded events |
| JetBlue Airways | 2 sightings | No recorded events |
Planning SEA → BOS
SEA to BOS is a long-haul route of 4,006 km (2,489 mi). See the return BOS → SEA route.
Alternative airports near Seattle: Seattle (BFI) — 9 km, Renton (RNT) — 9 km, Tacoma (TIW) — 28 km.
Alternative airports near Boston: Norwood (OWD) — 23 km, Bedford (BED) — 26 km, Beverly (BVY) — 26 km.