There are 10 ways to get from Baltimore Airport (BWI) to Seattle Airport (SEA) by plane, train, train (Amtrak), bus (Greyhound), subway, or car
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly Baltimore-Washington International Airport to Seattle-Tacoma International Airport
best- Fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA)plane BWI - SEA
5h 39m$200–490Train to Ronald Reagan Washington National Airport, fly to Seattle-Tacoma International Airport
- Take the train from BWI Thurgood Marshall to Washington Union Stationtrain
- Fly from Ronald Reagan Washington National Airport (DCA) to Seattle-Tacoma International Airport (SEA)plane DCA - SEA
8h 12m$246–1,259Train via Washington
- Take the train from BWI Thurgood Marshall to Washington Union Stationtrain
- Take the train from Washington Union Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Seattletrain
2d 20h$898–2,608Bus
- Take the bus from Baltimore Airport to Frederick Bus Stationbus
- Take the bus from Frederick Bus 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 23h$521–962Subway to Washington Dulles International Airport, fly to Seattle-Tacoma International Airport
- Take the subway from New Carrollton, Orange Line Center 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
8h 52m$204–613Train to Philadelphia International Airport, fly to Seattle-Tacoma International Airport
- Take the train from BWI Thurgood Marshall to 30th Street Stationtrain
- Fly from Philadelphia International Airport (PHL) to Seattle-Tacoma International Airport (SEA)plane PHL - SEA
9h 41m$257–1,605Fly Baltimore-Washington International Airport to King County International Airport
- Fly from Baltimore-Washington International Airport (BWI) to King County International Airport (BFI)plane BWI - BFI
8h 5m$408–1,589Fly Baltimore-Washington International Airport to Portland International Airport, train
- Fly from Baltimore-Washington International Airport (BWI) to Portland International Airport (PDX)plane BWI - PDX
- Take the train from Portland to Tacomatrain
10h 49m$234–485Train (Amtrak)
- Take the train from Baltimore Penn Station to Chicago Union Stationtrain
- Take the train from Chicago Union Station to Seattletrain
3d 3h$958–2,158Drive 2,708.3 mi
- Drive from Baltimore Airport (BWI) to Seattle Airport (SEA)car 2,708.3 mi
44h 24m$495–714
Baltimore Airport (BWI) to Seattle Airport (SEA) by bus, train, and tram
Questions & Answers
The cheapest way to get from Baltimore Airport (BWI) to Seattle Airport (SEA) is to fly and train which costs $230 - $490 and takes 10h 49m.
The fastest way to get from Baltimore Airport (BWI) to Seattle Airport (SEA) is to fly which takes 5h 39m and costs $200 - $490.
No, there is no direct bus from Baltimore Airport (BWI) to Seattle Airport (SEA). However, there are services departing from Baltimore Airport and arriving at SeaTac Airport Terminal - Bay 2 via Frederick Bus Station, Chicago Bus Station, Denver Union Station, SODO Busway & S Royal Brougham Way and Renton TC - Bay 4. The journey, including transfers, takes approximately 2 days 23h.
No, there is no direct train from Baltimore Airport (BWI) to Seattle Airport (SEA). However, there are services departing from BWI Thurgood Marshall and arriving at SeaTac/Airport via Washington Union Station, Chicago Union Station and Int'l Dist/Chinatown. The journey, including transfers, takes approximately 2 days 20h.
The distance between Baltimore Airport (BWI) and Seattle Airport (SEA) is 2342 miles. The road distance is 2724.2 miles.
The best way to get from Baltimore Airport (BWI) to Seattle Airport (SEA) without a car is to train via Washington which takes 2 days 20h and costs $900 - $2,700.
It takes approximately 5h 39m to fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA), including transfers and time at the airport.
Baltimore Airport (BWI) to Seattle Airport (SEA) bus services, operated by BayRunner Shuttle, depart from Baltimore Airport station.
Baltimore Airport (BWI) to Seattle Airport (SEA) train services, operated by Amtrak, depart from BWI Thurgood Marshall station.
The best way to get from Baltimore Airport (BWI) to Seattle Airport (SEA) is to fly which takes 5h 39m and costs $200 - $490. Alternatively, you can train via Washington, which costs $900 - $2,700 and takes 2 days 20h, you could also bus, which costs $500 - $1,000 and takes 2 days 23h.
What companies run services between Baltimore Airport (BWI), USA and Seattle Airport (SEA), USA?
Alaska Airlines, Inc., Southwest Airlines, and two other airlines fly from Baltimore-Washington International Airport (BWI) to Seattle-Tacoma International Airport (SEA) every 3 hours. Alternatively, you can take a bus from Off-Site Parking Pick-Up to SeaTac Airport Terminal - Bay 2 via BWI Amtrak Station, BWI Thurgood Marshall, Washington Union Station, Chicago Union Station, Seattle, Int'l Dist/Chinatown, SeaTac/Airport, and SeaTac Station in around 2d 20h.
- Website
- delta.com
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Detroit
- Ave. Duration
- 7h 32m
- When
- Every day
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 57m
- When
- Every day
- Estimated price
- $190–800
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 6h 6m
- When
- Every day
- Estimated price
- $280–1,200
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 8h 8m
- When
- Every day
- Estimated price
- $280–1,200
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $160–700
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 9h 14m
- When
- Every day
- Estimated price
- $160–700
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 56m
- When
- Every day
- Estimated price
- $230–950
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport via Detroit
- Ave. Duration
- 7h 52m
- When
- Every day
- Estimated price
- $230–950
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 8h 10m
- When
- Every day
- Estimated price
- $230–950
Flights from Baltimore-Washington International Airport to Portland International Airport via Salt Lake City
- Ave. Duration
- 7h 30m
- When
- Every day
- Estimated price
- $200–850
Flights from Baltimore-Washington International Airport to Portland International Airport via Minneapolis
- Ave. Duration
- 7h 34m
- When
- Every day
- Estimated price
- $190–800
- Website
- southwest.com
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 40m
- When
- Every day
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Chicago Midway
- Ave. Duration
- 8h 32m
- When
- Monday, Thursday, Friday, Tuesday, Wednesday, and Sunday
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Kansas City
- Ave. Duration
- 8h 5m
- When
- Saturday
- Estimated price
- $200–850
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport via Chicago Midway
- Ave. Duration
- 9h 23m
- When
- Tuesday, Wednesday, Saturday, and Sunday
- Estimated price
- $280–1,200
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport via Chicago Midway
- Ave. Duration
- 7h 55m
- When
- Monday, Thursday, Friday, and Sunday
- Estimated price
- $230–950
Flights from Baltimore-Washington International Airport to Portland International Airport
- Ave. Duration
- 5h 26m
- When
- Every day
- Estimated price
- $190–800
Flights from Baltimore-Washington International Airport to Portland International Airport via Denver
- Ave. Duration
- 7h 25m
- When
- Monday, Thursday, Friday, Tuesday, Wednesday, and Sunday
- Estimated price
- $200–850
Flights from Baltimore-Washington International Airport to Portland International Airport via Chicago Midway
- Ave. Duration
- 7h 27m
- When
- Monday to Wednesday
- Estimated price
- $190–800
- Website
- alaskaair.com
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 40m
- When
- Every day
- Estimated price
- $200–490
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Portland International Airport
- Ave. Duration
- 8h 56m
- When
- Every day
- Estimated price
- $200–490
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 52m
- When
- Every day
- Estimated price
- $480–700
Flights from Ronald Reagan Washington National Airport to Seattle-Tacoma International Airport via Portland International Airport
- Ave. Duration
- 8h 19m
- When
- Every day
- Estimated price
- $480–700
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 40m
- When
- Every day
- Estimated price
- $200–600
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 51m
- When
- Every day
- Estimated price
- $310–1,200
Flights from Baltimore-Washington International Airport to Portland International Airport
- Ave. Duration
- 5h 32m
- When
- Every day
- Estimated price
- $180–390
Flights from Baltimore-Washington International Airport to Portland International Airport via Seattle-Tacoma International Airport
- Ave. Duration
- 7h 40m
- When
- Monday, Tuesday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- $180–390
Flights from Baltimore-Washington International Airport to King County International Airport via Portland International Airport
- Ave. Duration
- 8h 59m
- When
- Every day
- Estimated price
- $400–2,000
Flights from Baltimore-Washington International Airport to King County International Airport via Minneapolis, Portland International Airport
- Ave. Duration
- 11h 10m
- When
- Monday to Friday
- Estimated price
- $400–1,600
Flights from Baltimore-Washington International Airport to King County International Airport via Detroit, Portland International Airport
- Ave. Duration
- 12h 20m
- When
- Monday to Friday
- Estimated price
- $400–1,600
- Website
- aa.com
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 40m
- When
- Every day
- Estimated price
- $200–600
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 6h 13m
- When
- Every day
- Estimated price
- $230–950
- Website
- united.com
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport
- Ave. Duration
- 5h 45m
- When
- Every day
- Estimated price
- $160–700
Flights from Baltimore-Washington International Airport to Portland International Airport via Denver
- Ave. Duration
- 7h 45m
- When
- Every day
- Estimated price
- $200–850
- Website
- suncountry.com
Flights from Baltimore-Washington International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 8h 54m
- When
- Monday, Thursday, and Sunday
- Estimated price
- $190–800
Flights from Washington Dulles International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 47m
- When
- Sunday
- Estimated price
- $160–700
Flights from Philadelphia International Airport to Seattle-Tacoma International Airport via Minneapolis
- Ave. Duration
- 7h 50m
- When
- Monday, Thursday, and Sunday
- Estimated price
- $230–950
Rome2Rio's guide to Amtrak
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from BWI Thurgood Marshall to Washington Union Station
- Ave. Duration
- 40 min
- Frequency
- Every 30 minutes
- Estimated price
- $9–20
- Website
- Amtrak
Train from BWI Thurgood Marshall to Washington Union Station
- Ave. Duration
- 40 min
- Frequency
- Every 30 minutes
- Estimated price
- $9–20
- Website
- Amtrak
Train from Washington Union Station to Chicago Union Station
- Ave. Duration
- 17h 48m
- Frequency
- Once daily
- Estimated price
- $240–550
- Website
- Amtrak
Train from Chicago Union Station to Seattle
- Ave. Duration
- 46h 24m
- Frequency
- Once daily
- Estimated price
- $650–1,500
- Website
- Amtrak
Train from BWI Thurgood Marshall to 30th Street Station
- Ave. Duration
- 1h 39m
- Frequency
- Hourly
- Estimated price
- $30–70
- Website
- Amtrak
Train from Portland to Tacoma
- Ave. Duration
- 2h 33m
- Frequency
- Every 4 hours
- Estimated price
- $40–95
- Website
- Amtrak
Train from Baltimore Penn Station to Chicago Union Station
- Ave. Duration
- 25h 52m
- Frequency
- 3 times a week
- Estimated price
- $300–650
- Website
- Amtrak
Train from Chicago Union Station to Seattle
- Ave. Duration
- 46h 24m
- Frequency
- Once daily
- Estimated price
- $650–1,500
- Website
- Amtrak
- Phone
- 1-866-743-3682
- Website
- Maryland Transit
Train from BWI Thurgood Marshall to Washington Union Station
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Estimated price
- $2–9
- Website
- Maryland Transit
- Standard Fare
- $2–9
Train from BWI Thurgood Marshall to Washington Union Station
- Ave. Duration
- 40 min
- Frequency
- Hourly
- Estimated price
- $2–9
- Website
- Maryland Transit
- Standard Fare
- $2–9
Rome2Rio's guide to Amtrak Acela
Contact DetailsContact Details
- Phone
- +1 800-872-7245
- Website
- Amtrak
Train from BWI Thurgood Marshall to Washington Union Station
- Ave. Duration
- 26 min
- Frequency
- 5 times a day
- Estimated price
- $6–550
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $6–440
- First Class
- $100–550
Train from BWI Thurgood Marshall to Washington Union Station
- Ave. Duration
- 26 min
- Frequency
- 5 times a day
- Estimated price
- $6–550
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $6–440
- First Class
- $100–550
Train from BWI Thurgood Marshall to 30th Street Station
- Ave. Duration
- 1h 20m
- Frequency
- Every 4 hours
- Estimated price
- $24–650
- Schedules at
- Amtrak Acela
- Website
- Amtrak
- Business Class
- $24–460
- First Class
- $140–650
Subway from New Carrollton, Orange Line Center Platform to Washington Dulles International Airport, Silver Line Center Platform
- Ave. Duration
- 1h 16m
- Frequency
- Every 30 minutes
- Estimated price
- $2–3
- Website
- Washington Metropolitan Area Transit Authority
- standard fare after 9:30 p.m
- $2–3
- Phone
- +1 410-912-6000
- [email protected]
- Website
- BayRunner Shuttle
Bus from Baltimore Airport to Frederick Bus Station
- Ave. Duration
- 1h 15m
- Frequency
- 4 times a day
- Estimated price
- $70–90
- Schedules at
- BayRunner Shuttle
Rome2Rio's guide to Greyhound USA
Contact DetailsContact Details
- Phone
- +1 214-849-8100
- [email protected]
- Website
- Greyhound
Bus from Frederick Bus Station to Chicago Bus Station
- Ave. Duration
- 15h 25m
- Frequency
- Once daily
- Estimated price
- $95–190
- Website
- Greyhound
Bus from Chicago Bus Station to Denver Union Station
- Ave. Duration
- 21h 35m
- Frequency
- Once daily
- Estimated price
- $150–290
- Website
- Greyhound
Bus from Denver Union Station to Seattle Bus Station
- Ave. Duration
- 28h 20m
- Frequency
- Once daily
- Estimated price
- $200–390
- Website
- Greyhound
Want to know more about travelling around United States
Rome2Rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.
Related travel guides
Travelling to the US: What do I need to know?
Read the travel guide
Why you should take the train in the US
Read the travel guide
Need to know: Greyhound
Read the travel guide
More Questions & Answers
The quickest flight from Baltimore-Washington International Airport Airport to Seattle-Tacoma International Airport Airport is the direct flight which takes 5h 39m.
Baltimore Airport (BWI) to Seattle Airport (SEA) bus services, operated by BayRunner Shuttle, arrive at Frederick Bus Station.
Seattle Airport (SEA) is 3h behind Baltimore Airport (BWI). It is currently 1:57 PM in Baltimore Airport (BWI) and 10:57 AM in Seattle Airport (SEA).
Baltimore Airport (BWI) to Seattle Airport (SEA) train services, operated by Amtrak, arrive at Washington Union Station.
Yes, the driving distance between Baltimore Airport (BWI) to Seattle Airport (SEA) is 2724 miles. It takes approximately 44h 24m to drive from Baltimore Airport (BWI) to Seattle Airport (SEA).
Sun Country Airlines, Alaska Airlines, Inc., Southwest Airlines and Delta offer flights from Baltimore-Washington International Airport Airport to Seattle-Tacoma International Airport Airport.
There are 1460+ hotels available in Seattle Airport (SEA).




















