Cheap flights from Seattle to Baltimore

Looking for cheap flights from Seattle to Baltimore? We track round-trip fares from SEA to BWI around the clock and post the sharpest price drops here first. Baltimore has nonstop service from Seattle, and sale fares on this route tend to disappear within a day or two. Create a free account to see full deal details, or go Premium for an email alert the moment a Baltimore fare drops.

Baltimore offers a vibrant cultural experience with its iconic Inner Harbor, where visitors can explore historic ships and enjoy a scenic waterfront promenade. The best times to visit are during the shoulder seasons of spring and fall, when temperatures are mild and crowds are smaller. You'll often find cheap flights from Seattle to Baltimore during these periods, as airlines tend to lower fares to fill seats. Peak summer months attract more tourists, leading to higher prices and less availability, so planning your trip during the off-peak times can yield significant savings.

Traveling from Seattle to Baltimore is convenient with nonstop service available from SEA to BWI. To secure the best flight deals, it’s advisable to book your tickets several weeks in advance, ideally 2-3 months ahead of your planned travel dates. This advance planning not only increases your chances of finding lower fares but also provides flexibility in choosing your preferred flight times. Keep an eye on fare alerts, as prices can fluctuate based on demand, especially during busy travel seasons.