Seattle to Washington (Dulles) Flight Schedule — Daily Timetable & Departure Times
Seattle to Washington (Dulles) Daily Flight Schedule — Today's Timetable
| Flight | Airline | Departure | Arrival | Duration | Aircraft | Stops |
|---|---|---|---|---|---|---|
| UA-688 | UA | 8:00 AM | 4:09 PM | 8h 9m | B737 MAX 8 | Direct |
| AS-737 | AS | 9:13 AM | 5:11 PM | 7h 58m | B737-800 | Direct |
| UA-2131 | UA | 1:00 PM | 9:06 PM | 8h 6m | 739 | Direct |
| AS-406 | AS | 4:01 PM | 11:59 PM | 7h 58m | 73J | Direct |
| DL-541 | DL | 4:20 PM | 12:25 AM | 8h 5m | 223 | Direct |
| AS-367 | AS | 10:43 PM | 6:39 AM | 7h 56m | B737 MAX 9 | Direct |
| UA-264 | UA | 11:20 PM | 7:22 AM | 8h 2m | B737 MAX 9 | Direct |
Airlines Flying Seattle to Washington (Dulles)
The following airlines operate direct flights on the Seattle (SEA) to Washington (Dulles) (IAD) route:
AS operates 3 flights daily on this route using 73J, B737-800, B737 MAX 9 aircraft.
UA operates 3 flights daily on this route using B737 MAX 8, B737 MAX 9, 739 aircraft.
DL operates 1 flight daily on this route using 223 aircraft.
Seattle to Washington (Dulles) Flight Time & Route Information
The flight distance from Seattle (SEA) to Washington (Dulles) (IAD) is approximately 3,701 km. The typical non-stop flight time on this route is –, depending on the aircraft and airline.
Flights from Seattle to Washington (Dulles) depart from SEA Airport (SEA) and arrive at IAD Airport (IAD). The first flight of the day departs at 8:00 AM and the last flight departs at 11:20 PM.
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Frequently Asked Questions — Seattle to Washington (Dulles) Flight Schedule
How many flights operate from Seattle to Washington (Dulles) daily?
7 flights operate from Seattle to Washington (Dulles) daily. Airlines on this route include AS, UA, DL.
What is the first flight from Seattle to Washington (Dulles)?
The first flight from Seattle to Washington (Dulles) is UA-688 operated by UA, departing at 8:00 AM.
What is the last flight from Seattle to Washington (Dulles)?
The last flight from Seattle to Washington (Dulles) is UA-264 operated by UA, departing at 11:20 PM.
What is the flight time from Seattle to Washington (Dulles)?
The flight distance from Seattle to Washington (Dulles) is 3,701 km. Flight time varies by airline and aircraft type.
Which airlines fly from Seattle to Washington (Dulles)?
AS, UA, DL operate flights on the Seattle to Washington (Dulles) route. Use HappyFares to compare fares across all airlines and book the cheapest ticket.
What is the Seattle to Washington (Dulles) flight schedule today?
Today's Seattle to Washington (Dulles) flight schedule has 7 flights. Departures range from 8:00 AM (UA UA-688) to 11:20 PM (UA UA-264).
How to check Seattle to Washington (Dulles) live flight status?
For live Seattle to Washington (Dulles) flight status including delays, gate changes, and real-time tracking, visit our dedicated flight status page.
What is the cheapest Seattle to Washington (Dulles) flight ticket?
To find the cheapest Seattle to Washington (Dulles) flight ticket, compare fares across all airlines on HappyFares. Book 3–6 weeks in advance and fly mid-week for the lowest airfare on this route.