Our flights from SEA to IAD
There are currently 8 direct flights between SEA to IAD each week, operated by 2 airlines.
You can catch a flight from SEA to IAD on any day of the week.
These airlines operate direct flights from SEA to IAD: United Airlines, Alaska Airlines.
The most common aircraft type flying between SEA to IAD is Airbus A320.
The day with the most flights from SEA to IAD is Thursday.
Our cheapest flight from SEA to IAD was in February at just $293.