There are most likely no direct flights on the Baltimore — Seattle route
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A non-stop flight is the most convenient and comfortable way to fly from Baltimore to Seattle, despite the fact that sometimes flights with transfers can cost significantly less.
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There are most likely no direct flights on the Baltimore — Seattle route
Baltimore/Washington Thurgood Marshall Airport (BWI) functions as the region’s primary budget- and leisure-focused gateway, with a mix of legacy carriers and many low-cost airlines operating frequent flights. Located about 10 miles (roughly 20–30 minutes by car) from downtown Baltimore and around 30–45 minutes from central Washington, D.C., ground access includes MARC commuter trains or Amtrak from BWI Rail Station, light rail service, shuttle buses, taxis, rideshares and rental cars; transit trips typically take 30–60 minutes and can be relatively inexpensive compared with airport transfers in larger metro areas. Travelers will find competitive fares and a modern terminal footprint, though peak hours can mean longer security queues and less public-transport directness than some international hubs; it’s a practical choice for cost-conscious or regional travelers seeking straightforward connections.
Seattle–Tacoma International Airport (SEA) is the region’s primary international hub, serving both full-service carriers like Alaska and Delta and a range of domestic and international airlines. Located about 14 miles south of downtown Seattle, it’s typically reachable in 20–35 minutes by light rail or 20–40 minutes by car depending on traffic; light rail fares are usually in the low single-digit range while ride-shares and taxis vary more. SEA offers a balance of amenities and traffic, with comfortable lounges and multiple dining options but can be busy during peak hours. For budget-focused travelers, proximity to transit is a key plus; for those seeking simplicity, allow extra time for security and connections.
The cost of a one-way flight from Baltimore to Seattle ranges from $170 (August 2026) to $182 (June 2026). On average, the ticket price is about $176–$182.
Baltimore — Seattle
06/30/2026
Departure
Direct flight
WN3190
starting at $504
Baltimore — Seattle
08/05/2026
Departure
Direct flight
AS379
starting at $357
starting at $504
starting at $357
starting at $214
starting at $254
More than 4 airlines operate flights from Baltimore to Seattle, including Southwest Airlines, Alaska Airlines, Frontier Airlines, and United Airlines. This is a popular route, so passengers can choose tickets based on budget and preferences. Ticket prices start from $214, and our service lets you instantly compare all options. The variety of offers simplifies planning: you can choose budget fares or more comfortable options with baggage included or extra services. We help you find the best deals so your trip is cost-efficient.
The cheapest flight ticket from Baltimore to Seattle according to data for the last 48 hours costs $214
Often the best time to buy tickets from Baltimore to Seattle is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Baltimore to Seattle can be found flying in these months: August, June.
The fastest flights from Baltimore to Seattle start from 9 hours 14 minutes in the air.
The following airlines operate direct flights on the route Baltimore — Seattle: Southwest Airlines, Alaska Airlines
The cheapest one-way flight from Baltimore to Seattle departs on 08/06/2026, is operated by Frontier Airlines and costs $214
There is no information about the cheapest roundtrip flight from Baltimore to Seattle
Fastest flight from Baltimore to Seattle takes 9h 14m
There are direct flights on this route 2 days a week: Tu and We
The distance between Baltimore and Seattle is 3746km (2323 miles). The time difference between Baltimore and Seattle is 3h
We couldn't find any special offers for flights from Baltimore to Seattle
