Best way to travel between

Seattle
Washington, D.C., DC
Travel Modes
Price
Distance
Duration
CO2
flight
$260.0
3976.96 km
9h 18mins
429.51 kgs
 
drive
$350.0
4660.95 km
47h 33mins
596.6 kgs
 
bus
$580.0
4966.38 km
71h 14mins
148.99 kgs
 
train
$646.0
5824.0 km
108h 22mins
308.67 kgs
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Flight 3976.96 km 9h 18mins 260 USD 260.0
Drive 4660.95 km 47h 33mins 350 USD 350.0
Bus 4966.38 km 71h 14mins 580 USD 580.0
Train 5824.0 km 108h 22mins 646 USD 646.0
Take Train from Pioneer Sq Stn & 3rd Av - James - Bay C to Seatac/Airport Stn Rail & Intl Blvd S/S 176 St
Time: 33mins Cost: 2 USD; $ 1.8 - 2.2 USD CO2 Emission: 1.28 kgs
Take Flight from SEA to BWI
Time: 5h 12mins Cost: 200 USD; $ 180.0 - 220.0 USD CO2 Emission: 420.89 kgs
Take Bus from Terminal between doors 14 and 15 to BWI Amtrak/MARC Station
Time: 5mins Cost: 3 USD; $ 2.7 - 3.3 USD CO2 Emission: 0.19 kgs
Take Train from BWI Airport, MD to Washington DC Union Station
Time: 31mins Cost: 55 USD; $ 49.5 - 60.5 USD CO2 Emission: 2.63 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Seattle and Washington, D.C., DC is to travel by air, which will cost about 260 USD or 234.00 USD.