2 airlines fly nonstop from Seattle-Tacoma International Airport to Ronald Reagan Washington National Airport. Seattle-Tacoma International Airport (Seattle) to Ronald Reagan Washington National Airport (Washington, D.C.).
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| Alaska Airlines | SEA Seattle-Tacoma International Airport | DCA Ronald Reagan Washington National Airport |
| Delta Air Lines | SEA Seattle-Tacoma International Airport | DCA Ronald Reagan Washington National Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
5 miles (8 km) from the city centre. 26.3 million passengers in 2024
| How | Route | Cost |
|---|---|---|
| Subway | Metro Blue and Yellow lines from Ronald Reagan Washington National Airport station, linked to Terminal 2 by pedestrian walkways | Metro fares $2.25-$6.75 at weekday peak by distance |
This is domestic travel for US citizens: no passport or visa is needed, but travelers 18 and over need a REAL ID-compliant license or another accepted ID to fly.
Washington, D.C. is 3 hours ahead of Seattle. Washington, D.C. uses the US dollar (USD).
Read the Washington, D.C. guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, Alaska Airlines and Delta Air Lines fly this route nonstop.
About 2,323 miles (3,738 km) between the airports.
Washington, D.C. is 3 hours ahead of Seattle.
This is domestic travel for US citizens: no passport or visa is needed, but travelers 18 and over need a REAL ID-compliant license or another accepted ID to fly.
Metro Blue and Yellow lines from Ronald Reagan Washington National Airport station, linked to Terminal 2 by pedestrian walkways, Metro fares $2.25-$6.75 at weekday peak by distance.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.