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Good to Know: Cheapest and Fastest SEA - BWI Flights
Useful information for finding best airline tickets from Seattle Tacoma International to Baltimore/Washington International Thurgood Marsha on your next trip.
Cheapest Round Trip Flight
$243
Southwest Airlines
• nonstop
• 8h 20m
Sep 16 – Sep 23
The cheapest round trip flight from Seattle to Baltimore (SEA-BWI-SEA) is currently $243
Cheapest One way Flight
$286
Southwest Airlines
• 1 stop
• 19h 15m
Sep 23
The cheapest one way flight from Seattle to Baltimore (SEA-BWI) is currently $286
Cheapest Direct Flight
$243
Southwest Airlines
• nonstop
• 8h 20m
Sep 16
The cheapest nonstop flight from Seattle to Baltimore (SEA-BWI) is currently $243
Fastest Flight
8h 20m
The fastest nonstop flight from Seattle to Baltimore (SEA-BWI) takes 8h 20m
Top Airlines Flying from Seattle to Baltimore
Latest Flight Deals from Seattle (SEA) to Baltimore (BWI)
Compare and book low fare round-trip air tickets from Seattle to Baltimore. Ideal for travelers with confirmed return itineraries.
Sep 16 - Sep 23, Economy
Seattle → Baltimore
8h 20m
10:30 PM - 6:30 AM • nonstop
Seattle → Baltimore
9h
10:20 AM - 1:00 PM • nonstop
Southwest Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
13h 35m
7:10 AM - 6:25 PM • 1 stop
Seattle → Baltimore
9h
10:20 AM - 1:00 PM • nonstop
Southwest Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
13h 25m
6:40 AM - 5:45 PM • 1 stop
Seattle → Baltimore
9h
10:20 AM - 1:00 PM • nonstop
Southwest Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
22h 25m
11:05 PM - 3:50 PM • 1 stop
Seattle → Baltimore
9h
10:20 AM - 1:00 PM • nonstop
Southwest Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
13h 30m
7:30 PM - 6:40 AM • 1 stop
Seattle → Baltimore
9h
10:20 AM - 1:00 PM • nonstop
Southwest Airlines
Explore competitive one-way airfare options for SEA - BWI flights. Best suited for flexible or open-ended travel plans.
Flying to Baltimore soon? We've surfaced some of the most affordable last-minute flights from Seattle to Baltimore, ideal for urgent plans or spontaneous trips.
Looking for the fastest way to Baltimore? These direct flight options from SEA to BWI offer both convenience and value—no layovers, just straight to your destination.
Sep 16 - Sep 23, Economy
Seattle → Baltimore
8h 20m
10:30 PM - 6:30 AM • nonstop
Seattle → Baltimore
9h
10:20 AM - 1:00 PM • nonstop
Southwest Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
- • nonstop
Seattle → Baltimore
- • nonstop
Alaska Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
- • nonstop
Seattle → Baltimore
- • nonstop
Alaska Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
- • nonstop
Seattle → Baltimore
- • nonstop
Alaska Airlines
Sep 16 - Sep 23, Economy
Seattle → Baltimore
8h 27m
10:23 PM - 6:30 AM • nonstop
Seattle → Baltimore
8h 59m
7:50 AM - 10:29 AM • nonstop
Alaska Airlines
FAQs on Seattle to Baltimore Flights
What are the airports in Seattle?
SEA
What’s the most popular airline flying from SEA to BWI?
The most popular airline flying from Seattle to Baltimore are
Can I fly from SEA to BWI non-stop?
Yes, you can fly SEA to BWI non-stop on
Which airlines fly nonstop between Seattle and Baltimore?
The non-stop flights between Seattle and Baltimore are .
What’s the earliest departure time from SEA to BWI Airport?
The earliest flight leaves SEA at 5:20 am and lands in BWI - Baltimore/Washington International Thurgood Marsha
What are the airports in Baltimore?
IAD,BWI,DCA
Can I make changes to my Seattle to Baltimore flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from SEA to BWI?
Read the fare rules of the Seattle to Baltimore air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Seattle and Baltimore?
operate flights between Seattle and Baltimore
How long does a flight from Seattle to Baltimore take?
It takes approximately 5 hour to fly non-stop from SEA to BWI, which is 2334.76 miles by air.
Which airlines provide the cheapest flights from Seattle (SEA) to Baltimore (BWI) ?
In the past couple of days, the cheapest tickets to BWI from SEA were found on WN : USD 876
Do I need a passport to fly between SEA and BWI?
No
What’s the latest departure time from SEA to BWI ?
The last flight leaves SEA at 10:2300 pm
Seattle (SEA) to Baltimore (BWI): Airport Information
| Origin Airport | Seattle Tacoma International , Seattle, US |
| Destination Airport | Baltimore/Washington International Thurgood Marsha, Baltimore, US |
| Distance | 2335 miles |
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