There are 6 ways to get from Washington to SeaTac by plane, train (Amtrak), bus (Greyhound), car, subway, or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly from Ronald Reagan Washington National Airport
best- Fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)plane DCA - SEA
5h 44m$320–1,400Subway to Washington Dulles International Airport, fly
cheapest- Take the subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platformsubway
- Fly from Washington Dulles International Airport (IAD) to Seattle-Tacoma International Airport (SEA)plane IAD - SEA
7h 31m$162–758Train (Amtrak)
- Take the train from Washington Union Station to Chicago Union Stationtrain Floridian / ...
- Take the train from Chicago Union Station to Seattletrain Empire Builder
2d 17h$820–1,869Bus (Greyhound)
- Take the bus from Washington Union Station to Chicago Bus Stationbus
- Take the bus from Chicago Bus Station to Denver Union Stationbus
- Take the bus from Denver Union Station to Seattle Bus Stationbus
2d 21h$499–986Drive 2,704 mi
- Drive from Washington to SeaTaccar 2,704 mi
44h 24m$494–713Train to Baltimore-Washington International Airport, fly
- Take the train from Washington Union Station to BWI Thurgood Marshalltrain
- Fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA)plane BWI - SEA
7h 28m$182–1,345
Washington to SeaTac by train and tram (Amtrak)
Questions & Answers
The cheapest way to get from Washington to SeaTac is to subway and fly which costs $160 - $800 and takes 7h 31m.
The fastest way to get from Washington to SeaTac is to fly which takes 5h 44m and costs $320 - $1,400.
No, there is no direct bus from Washington station to SeaTac. However, there are services departing from Washington Union Station and arriving at International Blvd & S 176th St - Bay 1 via Chicago Bus Station, Denver Union Station and SODO Busway & S Royal Brougham Way. The journey, including transfers, takes approximately 2 days 21h.
No, there is no direct train from Washington station to SeaTac. However, there are services departing from Washington Union Station and arriving at SeaTac/Airport via Chicago Union Station and Int'l Dist/Chinatown. The journey, including transfers, takes approximately 2 days 17h.
The distance between Washington and SeaTac is 2336 miles. The road distance is 2719.8 miles.
The best way to get from Washington to SeaTac without a car is to train which takes 2 days 17h and costs $800 - $1,900.
It takes approximately 5h 44m to fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA), including transfers and time at the airport.
Washington to SeaTac bus services, operated by Greyhound USA, depart from Washington Union Station.
Washington to SeaTac train services, operated by Amtrak, depart from Washington Union Station.
The best way to get from Washington to SeaTac is to fly which takes 5h 44m and costs $320 - $1,400. Alternatively, you can train, which costs $800 - $1,900 and takes 2 days 17h, you could also bus, which costs $490 - $1,000 and takes 2 days 21h.
What companies run services between Washington, DC, USA and SeaTac, WA, USA?
Alaska Airlines, Inc., Delta, and Southwest Airlines fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA) hourly. Alternatively, you can take a train from Washington Union Station to SeaTac/Airport via Chicago Union Station, Seattle, and Int'l Dist/Chinatown in around 2d 17h.
- Website
- delta.com
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 44m
- When
- Every day
- Estimated price
- $320–1,400
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 54m
- When
- Every day
- Estimated price
- $320–1,400
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport via Detroit
- Ave. Duration
- 8h 29m
- When
- Every day
- Estimated price
- $320–1,400
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 44m
- When
- Every day
- Estimated price
- $160–750
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 46m
- When
- Every day
- Estimated price
- $160–750
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport via Detroit
- Ave. Duration
- 9h 2m
- When
- Every day
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 42m
- When
- Every day
- Estimated price
- $180–800
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Detroit
- Ave. Duration
- 8h 15m
- When
- Every day
- Estimated price
- $180–800
- Website
- southwest.com
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport via Chicago Midway
- Ave. Duration
- 7h 53m
- When
- Every day
- Estimated price
- $320–1,400
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 45m
- When
- Monday, Thursday, and Friday
- Estimated price
- $180–800
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Chicago Midway
- Ave. Duration
- 8h 7m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $180–800
- Website
- alaskaair.com
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 6h
- When
- Every day
- Estimated price
- $320–1,400
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 48m
- When
- Every day
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 51m
- When
- Every day
- Estimated price
- $180–800
- Website
- united.com
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 49m
- When
- Every day
- Estimated price
- $160–750
- Website
- suncountry.com
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 32m
- When
- Monday, Wednesday, Thursday, and Sunday
- Estimated price
- $160–750
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 41m
- When
- Friday, Monday, Wednesday, Thursday, and Sunday
- Estimated price
- $180–800
Rome2Rio's guide to Amtrak
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to Chicago Union Station
- Ave. Duration
- 17h 48m
- Frequency
- Once daily
- Estimated price
- $210–470
- Website
- https://www.amtrak.com/home.html
Train from Chicago Union Station to Seattle
- Ave. Duration
- 46h 24m
- Frequency
- Once daily
- Estimated price
- $600–1,400
- Website
- https://www.amtrak.com/home.html
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 35 min
- Frequency
- Hourly
- Estimated price
- $8–18
- Website
- https://www.amtrak.com/home.html
- Phone
- +1 202 466 3876
- Website
- wmata.com
Subway from Farragut West, Blue/Orange/Silver Line Track 2 Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 47 min
- Frequency
- Every 15 minutes
- Estimated price
- $2–8
- Website
- https://www.wmata.com
- standard fare after 9:30 p.m
- $2–3
- standard fare 5 a.m - 9:30 p.m.
- $5–8
Rome2Rio's guide to Amtrak Northeast Regional
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 33 min
- Frequency
- Hourly
- Estimated price
- $4–200
- Website
- https://www.amtrak.com/home
- Schedules at
- https://www.amtrak.com/northeast-regional-train
- Coach
- $4–200
- Business Class
- $45–230
- Phone
- 1-866-743-3682
- Website
- mta.maryland.gov
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 35 min
- Frequency
- Hourly
- Estimated price
- $2–9
- Website
- https://www.mta.maryland.gov
- Standard Fare
- $2–9
Rome2Rio's guide to Amtrak Acela
Contact Details
- Phone
- +1 800-872-7245
- Website
- amtrak.com
Train from Washington Union Station to BWI Thurgood Marshall
- Ave. Duration
- 20 min
- Frequency
- Every 4 hours
- Estimated price
- $6–550
- Schedules at
- https://www.amtrak.com/acela-train
- Website
- https://www.amtrak.com/home.html
- Business Class
- $6–440
- First Class
- $100–550
Rome2Rio's guide to Greyhound USA
Contact Details
- Phone
- +1 214-849-8100
- ifsr@greyhound.com
- Website
- greyhound.com
Bus from Washington Union Station to Chicago Bus Station
- Ave. Duration
- 17h 25m
- Frequency
- Twice daily
- Estimated price
- $110–230
- Website
- https://www.greyhound.com/
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 35m
- Frequency
- Once daily
- Estimated price
- $160–320
- Website
- https://www.greyhound.com/
Bus from Denver Union Station to Seattle Bus Station
- Ave. Duration
- 27h 15m
- Frequency
- Once daily
- Estimated price
- $220–440
- Website
- https://www.greyhound.com/
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More Questions & Answers
The quickest flight from Ronald Reagan Washington National Airport Airport to Seattle-Tacoma International Airport Airport is the direct flight which takes 5h 44m.
Washington to SeaTac bus services, operated by Greyhound USA, arrive at Chicago Bus Station.
SeaTac is 3h behind Washington. It is currently 10:29 AM in Washington and 7:29 AM in SeaTac.
Washington to SeaTac train services, operated by Amtrak, arrive at Chicago Union Station.
Yes, the driving distance between Washington to SeaTac is 2720 miles. It takes approximately 44h 24m to drive from Washington to SeaTac.
Alaska Airlines, Inc., Southwest Airlines and Delta offer flights from Ronald Reagan Washington National Airport Airport to Seattle-Tacoma International Airport Airport.
There are 437+ hotels available in SeaTac.














