Our flights from BOS to SEA
There are currently 19 direct flights between BOS to SEA each week, operated by 4 airlines.
You can catch a flight from BOS to SEA on any day of the week.
These airlines operate direct flights from BOS to SEA: Alaska Airlines, JetBlue Airways, American Airlines, United Airlines.
The most common aircraft type flying between BOS to SEA is Boeing 737-900.
The day with the most flights from BOS to SEA is Monday.
Our cheapest flight from BOS to SEA was in September at just $272.