Seattle to Baltimore (SEA–BWI) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
SEA–BWI is served by 1 airline with nonstop service. Alaska Airlines leads the route. The flight covers 2,329 miles in approximately 5h 51m. Beyond nonstop, 59 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| AS Alaska Airlines | 7 | 73H | 5h51 | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Other ways to reach Baltimore from Seattle
| Metric | SEA→BWI | BFI→BWI |
|---|---|---|
| Distance from SEA | – | 5 mi |
| Nonstop airlines | 1 | 1 |
| Weekly flights | 7 | 1 |
| Flight time | 5h 51m | 5h 1m |
| Departure OTP | 94% | – |
Travel Essentials
SEA: MDT · BWI: EDT
When it's 6:00 PM in Seattle, it's 8:00 PM in Baltimore.
Link Light Rail runs from downtown Seattle (Westlake station) to the airport in 38 minutes ($3.50 peak). Trains run every 6–12 minutes during peak hours from 5am to 1am. Ride-shares run $30–50 from downtown; SR-99 and I-5 can be heavily congested southbound during afternoon rush (3–7pm).
Sound Transit 574 express bus serves Tacoma ($2.50–4). Sounder commuter rail connects Tacoma to the airport area via a shuttle.
SEA–BWI Quick Facts
Frequently Asked Questions
Flights from SEA to BWI
Seattle–Tacoma International Airport (SEA) and Baltimore/Washington International Thurgood Marshall Airport (BWI) are connected by nonstop service from Alaska Airlines. With 7 weekly departures, this is a regularly served route.
SEA to BWI Flight Duration and Schedule
Nonstop flight time from SEA to BWI ranges from 5 hours 51 minutes. The route covers a distance of 2,329 miles (3,748 km). There are approximately 7 weekly flights outbound and 7 return, totaling 14 flights per week in both directions.
Connecting Options and Alternatives
59 one-stop connections are available, with the fastest taking approximately 6 hours via BZN. Two-stop connections are also available via intermediate hubs. Nearby alternative airports include Seattle (BFI).