There are several airlines that operate frequent flights from Seattle (SEA) to Washington D.C. (BWI) including

• Delta Air Lines with 158 flights a week
• with 124 flights a week
• Alaska Airlines with 107 flights a week
• American Airlines with 81 flights a week
• United Airlines with 55 flights a week

The earliest flight leaves Seattle Tacoma Intl. Airport at 07:15 and arrives at Baltimore Washington Intl. Thurgood Marshall Airport at 06:29. The last flight of the day departs Seattle at 22:50 and arrives at Washington D.C. at 21:50.

The flight distance from Seattle to Washington D.C. is about 3768 km, the shortest flight is 04 hours 50 minutes with .

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