Cheap Flights from Seattle (SEA) to Baltimore (BWI) from HK$766~

View HK$766 flight on Tue, 3 Feb 2026Opens in a new window

Popular airlines from Seattle to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)

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

Prices were available within the past 7 days and start at HK$766 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to Baltimore (BWI)

January is typically the cheapest month to fly

From HK$1,139 - HK$2,550 per traveller.
Seattle to Baltimore route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Distance
3725 km
Average flight time
9 hours 59 mins

Flights from Seattle to Baltimore

Book cheap flights from Seattle (SEA) to Baltimore (BWI) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Baltimore (BWI) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle (SEA) to Baltimore (BWI) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Baltimore flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Baltimore and things to do in Baltimore for your perfect vacation with Expedia Thing to Do.

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 HK$766 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 . 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 3,800 kilometers. 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.

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