CA $141 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 $141 for one-way flights and CA $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Delta
Delta
Delta
American Airlines
Delta
Alaska Airlines
Alaska Airlines
Hawaiian Airlines
Sun Country Airlines

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

September is typically the cheapest month to fly

From CA $196 - CA $319 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Baltimore (SEA - BWI) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Hawaiian Airlines, Sun Country Airlines, United
Roundtrip price
CA $281
Distance
3725 km
Average flight time
8 hours 2 mins

Seattle to Baltimore Flights

The easy way to book your flights from Seattle to Baltimore 

With Expedia, it’s simple to find and book flights to Baltimore from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Baltimore Washington Intl. Thurgood Marshall, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Baltimore today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Baltimore Washington Intl. Thurgood Marshall, BWI 

Sort your search results by price to find great deals on your flight from Seattle to Baltimore—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Baltimore from Seattle currently is just CA $281 rising to CA $429.  

Here are more money-saving tips: 

  • Fly in August when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Baltimore  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Baltimore from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Baltimore with Expedia today.

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 $281. 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.

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