Our flights from BWI to SEA
There are currently 10 direct flights between BWI to SEA each week, operated by 2 airlines.
You can catch a flight from BWI to SEA on any day of the week.
These airlines operate direct flights from BWI to SEA: Alaska Airlines, United Airlines.
The most common aircraft type flying between BWI to SEA is Boeing 737-900.
The day with the most flights from BWI to SEA is Friday.
Our cheapest flight from BWI to SEA was in May at just $299.