SEAIAD
Seattle (Seattle-Tacoma International Airport) to Washington (Washington Dulles International Airport).
Plan this routeAt a glance
| Est. flight time | Distance | Frequency | Type |
|---|---|---|---|
| ~5h 20m Estimated from great-circle distance — no tracked flights yet. | 2,300 mi | 6-7/day | Domestic |
Airlines on this route
Airlines flying SEA to IAD
Scheduled service data shows 6-7/day from SEA to IAD across 3 airlines.
- First departure
- 08:00
- Last departure
- 23:30
- Cadence
- ~every 2 hours
- Daily departures
- 10
| Airline | Daily frequency | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 3/day | Boeing 737 · Seat map | 08:2209:1315:53 |
Aircraft on this route
Flying the other way?
IAD to SEA flights — 6-7/day on 4 airlines →Route FAQ
How long is the flight from SEA to IAD?
The SEA to IAD flight is typically scheduled at about 5h 20m.
How far is SEA from IAD?
SEA to IAD is about 2,300 miles by air.
Which airlines fly from SEA to IAD?
Alaska Airlines, United Airlines, Delta Air Lines fly the SEA to IAD route in our route data.
What aircraft fly from SEA to IAD?
Aircraft observed or commonly scheduled on SEA to IAD include Airbus A220, Boeing 737, Boeing 737, Embraer E-Jet.