Inner Harbor, Baltimore, Sunset, Maryland

CA $158 Cheap Flights from Seattle (SEA) to Baltimore (BWI)

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

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Cheap flights from Seattle (SEA) to Baltimore (BWI)

Prices were available within the past 7 days and start at CA $158 for one-way flights and CA $316 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Delta
Delta
American Airlines
American Airlines
American Airlines
Delta
Alaska Airlines
United
Sun Country Airlines

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Frequently asked questions

How much is a flight from SEA to BWI Airport?
The lowest price advertised for a round-trip journey between SEA and BWI is CA $316. But you better act quick. This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year. 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
This can differ between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where you'll find easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to BWI Marshall that have flexible change policies?
Use our "No change fees" filter to find flexible travel options for your flight from Sea-Tac Airport to BWI. This allows you to snag a low rate in advance and still have the freedom to reschedule without any additional fees. Keep in mind that you'll need to cover the fare difference.
How many hours is the flight from Sea-Tac Airport to Baltimore Washington Intl. Thurgood Marshall Airport (BWI)?
Lasting around 7 hours and 33 minutes, the flight between Sea-Tac Airport and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) is a great opportunity to do some last-minute planning. Why not use this time to go over your itinerary for Baltimore?
How far is the flight from SEA to BWI Airport?
The flight distance between Sea-Tac Airport and BWI Airport is 3,800 kilometres. Bring a drink, some snacks and a good movie. Keep yourself busy in the air and the time will fly by.
Which airlines fly direct from Sea-Tac Airport to BWI Airport?
Alaska Airlines (AS) will fly you from Sea-Tac Airport to BWI Airport safely and comfortably. Take your pick of 21 flights every month along this route.
Are Seattle - Tacoma Intl. Airport (SEA) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an amazing last-minute deal from Sea-Tac Airport to BWI Marshall, but it can also be hit-or-miss. As many airlines publish prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a good bargain. Expedia compares carrier prices and updates flight deals all the time, so you can rest easy knowing you're always seeing the latest offers.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Sun Country Airlines, United
Roundtrip price
CA $316
Distance
3725 km
Average flight time
7 hours 59 mins

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