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SEA–IAD · Nonstop
Seattle (Seattle-Tacoma International Airport) to Washington (Washington Dulles International Airport).
The nonstop flight from Seattle (SEA) to Washington (IAD) takes 4h 11m on average, covering about 2,300 miles. Across 6 flights we tracked, the fastest was 4h 10m and the slowest 4h 14m. The current schedule below is the better source for planned airline frequency.
Plan this route| Avg flight time | Distance | Route type | Fastest tracked | Airlines |
|---|---|---|---|---|
| 4h 11m | 2,300 mi | Nonstop | 4h 10m | 3 |
Alaska Airlines, United Airlines, and Delta Air Lines operate 6/day flights from SEA to IAD.
| Airline | Captured frequency | Aircraft | Departures (local) |
|---|---|---|---|
| Alaska Airlines | 3/day | Boeing 737 · Seat map | 09:1316:0122:43 |
| United Airlines | 2/day | Boeing 737 · Seat map | 08:1008:1513:0023:0423:20 |
| Delta Air Lines | 1/day | Airbus A220 | 15:58 |
Airlines seen among the 6 flights we have tracked on SEA to IAD. The sample is too small to rank carriers by share; the scheduled departures above show who flies this route most.
Methodology: figures are aggregated from 6 real flights on this route, sourced from live flight data. Updated daily as new flights are observed.
The nonstop flight from Seattle (SEA) to Washington (IAD) takes 4h 11m on average. The fastest flight we have tracked took 4h 10m and the slowest 4h 14m.
Seattle (SEA) to Washington (IAD) is about 2,300 miles by air.
Yes. Alaska Airlines, United Airlines, and Delta Air Lines fly nonstop from Seattle (SEA) to Washington (IAD), with 6/day departures.
Alaska Airlines, United Airlines, and Delta Air Lines fly nonstop from Seattle (SEA) to Washington (IAD).
The SEA–IAD route is flown with Airbus A220, Boeing 737.