SAR371 Cheap Flights from Seattle (SEA) to Baltimore (BWI)

View SAR371 flight on Sat, 31 January 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Baltimore Washington Intl. Airport (BWI)

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Cheap Flights from Seattle to Baltimore (SEA-BWI)

Prices were available within the past 7 days and start at SAR371 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How long does it take to fly from SEA to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Book a fare with Alaska Airlines and you'll be traveling for roughly 5 hours and 5 minutes. This well-known carrier has a direct flight that leaves at 9:45PM from Seattle - Tacoma Intl. Airport (SEA) and reaches BWI Marshall at 5:50AM. Expedia has some great flight deals, so check out what's on offer on this route today.
Is it cheaper to buy a plane ticket from Sea-Tac Airport to BWI last minute?
Booking your trip from Sea-Tac Airport to BWI Airport last minute could save you a nice sum if you strike it lucky and find an amazing deal. However, tickets typically don't come down in price as the departure date nears. If you procrastinate, flights could also be booked solid or the best seats gone (that could mean the middle seat!). If you don't want to risk it, book well ahead of your departure date. In fact, some of the best deals are available on Expedia up to a year in advance. If your favorite carrier hasn't released its fares yet, check back regularly as offers are updated on Expedia constantly.
What airline has the least delays from Sea-Tac Airport to BWI?
If you'd prefer not to be stuck at the departure gate — or worse, your travel plans left in tatters due to a flight delay — travel with Alaska Airlines. Around 75% of its Sea-Tac Airport to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) services arrive on time. You can check your flight status before heading to the airport through the Expedia App. It'll also give you real-time notifications about other important info, like any gate changes, luggage carousel numbers and directions to your hotel. Everything you need to know is in your pocket with this handy travel companion.
What airports do you fly into for Baltimore from Seattle?
Baltimore Washington Intl. Thurgood Marshall Airport (BWI), Ronald Reagan Washington National Airport (DCA) and Washington Dulles Intl. Airport (IAD) are your choices when heading off from Seattle to Baltimore. Roughly 13 kilometers southwest of downtown Baltimore, Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is the city's main gateway. Consider factors such as flight schedules and the distance to your hotel before you select an airport. Oriole Park at Camden Yards and M&T Bank Stadium are two excellent attractions to check out when you get to your destination.
What are the most popular departure times for flights from SEA to BWI Airport?
Between 9:00 AM - 10:00 AM is when you'll find many Alaska Airlines flights jetting off from Seattle - Tacoma Intl. Airport (SEA) to BWI. Our top tip? Get up and away early. With air traffic yet to build up around airports, your odds of hopping on a delay-free flight are higher.
Can I change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to BWI Airport?
Life can throw a spanner in your plans, so Expedia is here to help make amending your journey easy. First, find your Seattle - Tacoma Intl. Airport (SEA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) itinerary through the Expedia Trips portal and browse the ticket rules and conditions about what changes can be made. If you booked your plane ticket in the last 24 hours, some airlines will let you cancel for free and organize new flights. If you booked your fare more than 24 hours ago, get in touch with us through our Customer Service portal so we can assist you further.

Travel information

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Distance
3725 km
Average flight time
9 hours 3 mins

Book with confidence

Book with confidence

Seattle to Baltimore Flights

Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from Seattle to Baltimore offer the perfect respite. Not only does exploring Baltimore provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the cheap airfare means you won’t bust your budget. So no matter whether your ideal itinerary involves flying one way, non-stop, or round trip, you’re bound to find flights that match your schedule on Expedia, and at prices that won’t shock your wallet.

Bagging a cheap flight from Seattle to Baltimore may mean more dollars to spend on for one-of-a-kind souvenirs when you arrive, but it doesn’t mean you have to skimp on your travel experience, as Expedia offers a sizzling selection of cheap airlines that’ll put you in your happy place on their planes, whether that’s getting lost in a hair-raising airport thriller, dreaming on the passing landscape over a glass of bubbly, or jotting down your vacation bucket list at 38,000 feet. There’s also bound to be plenty of opportunities to snap a few photos of the high life that will make your friends green with envy. After all, enjoying the journey is part of the fun.

With so many affordable flights and so many wonderful adventures awaiting you, there’s no reason to put off booking a fantastic flight from SEA to BWI today. So don’t leave it to the last minute to make your dream trip a reality: pack your bags with your go-to travel accessories, put together your list of must-see attractions and can’t-miss activities, and get ready to broaden your horizons – with Expedia, the wonders of Baltimore are only a plane trip away. Book your travel arrangements with us today!

If you would like to book flights to Baltimore more flexibly many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Baltimore is SAR371 now!

Seattle to Baltimore Flights

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Explore a world of travel with Expedia