$83 Cheap Flights from Seattle (SEA) to Baltimore (BWI)

Bundle Your Flight + Hotel & Save!

Popular airlines among travelers

Alaska Airlines
Spirit Airlines
United
Sun Country Airlines
Delta
American Airlines
    Plan, book, fly with confidence
    trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
    bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
    one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash

Cheap Flights from Seattle to Baltimore (SEA-BWI)

Prices were available within the past 7 days and start at $83 for one-way flights and $181 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Spirit Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Frontier Airlines
Spirit Airlines
Frontier Airlines
Spirit Airlines
Flights from Seattle (SEA) to Baltimore (BWI)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$180
Distance
2328 mi

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 $83 now!

Frequently asked questions

How much is a flight from SEA to BWI?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey between Sea-Tac Airport and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) was $181. Cheap fares don’t hang around forever, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to BWI?
When it comes to cancellation fees, each airline has its own terms and conditions. If you decide to cancel your trip, visit our Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Seattle - Tacoma Intl. Airport (SEA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
The flight distance between Sea-Tac Airport and BWI is 2362 mi. Listen to your favorite tunes or read a good book and the journey will zip on by.
Which airlines fly direct from SEA to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Alaska Airlines (AS) will fly you from Sea-Tac Airport to BWI safely and comfortably. Choose from 30 flights every month along this route.
Are Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Seattle - Tacoma Intl. Airport (SEA) to BWI Marshall last minute could save you some cash. However, it could end up costing you a whole lot more! If you’d prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains up to a year in advance. If your preferred carrier hasn’t released tickets yet, check back frequently as deals are updated all the time on Expedia.
Seattle nearby Airports

Seattle Paine Field Intl. Airport

*Available to One Key members.