Cheap Flight Tickets from Seattle (SEA) to Baltimore (BWI), Starting at $278

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

$278

WN Southwest Airlines • 2 stops • 15h 30m

Nov 06 – Nov 06

The cheapest round trip flight from Seattle to Baltimore (SEA-BWI-SEA) is currently $278

🔍 Search Flights

Cheapest One way Flight

$337

WN Southwest Airlines • 2 stops • 20h 35m

Sep 23

The cheapest one way flight from Seattle to Baltimore (SEA-BWI) is currently $337

🔍 Search Flights

Cheapest Direct Flight

$386

AS Alaska Airlines • nonstop • 7h 39m

Nov 06

The cheapest nonstop flight from Seattle to Baltimore (SEA-BWI) is currently $386

🔍 Search Flights

Fastest Flight

7h 39m

The fastest nonstop flight from Seattle to Baltimore (SEA-BWI) takes 7h 39m

Top Airlines Flying from Seattle to Baltimore

Southwest Airlines-WN

Southwest Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Delta Airline, DL

Delta Airlines

Sun Country Airlines (SY)

Sun Country Airlines

Alaska Airlines -AS

Alaska Airlines

Aeromexico Airline (AM)

Aeromexico

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.

Nov 06 - Nov 06, Economy
WN
Seattle → Baltimore
15h 30m
5:30 AM - 6:00 PM • 2 stops
WN
Seattle → Baltimore
25h 5m
10:45 PM - 10:50 AM • 2 stops
$278
Southwest Airlines
Nov 06 - Nov 06, Economy
WN
Seattle → Baltimore
23h 25m
12:15 AM - 5:20 PM • 2 stops
WN
Seattle → Baltimore
26h 55m
9:50 PM - 11:05 AM • 1 stop
$315
Southwest Airlines
Nov 06 - Nov 06, Economy
WN
Seattle → Baltimore
15h 5m
12:15 AM - 12:20 PM • 2 stops
WN
Seattle → Baltimore
32h 30m
6:00 PM - 10:50 AM • 3 stops
$323
Southwest Airlines
Nov 06 - Nov 06, Economy
WN
Seattle → Baltimore
15h 30m
5:30 AM - 6:00 PM • 1 stop
WN
Seattle → Baltimore
35h 5m
10:45 PM - 4:50 PM • 2 stops
$354
Southwest Airlines
Nov 06 - Nov 06, Economy
WN
Seattle → Baltimore
13h 35m
6:15 AM - 5:30 PM • 1 stop
WN
Seattle → Baltimore
35h 5m
10:45 PM - 4:50 PM • 2 stops
$354
Southwest Airlines
Nov 06 - Nov 06, Economy
WN
Seattle → Baltimore
16h 55m
5:00 AM - 6:15 PM • 2 stops
WN
Seattle → Baltimore
25h 5m
10:45 PM - 10:50 AM • 1 stop
$538
Southwest Airlines

Fly from Seattle to Baltimore with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from Seattle to Baltimore? Find the biggest savings on one-way and round-trip tickets right here.

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 12:15 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 1103
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 11:00 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

More Flight Options for Seattle (SEA) and Baltimore (BWI)

Why Fareleaders for SEA to BWI Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on Seattle to Baltimore flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on SEA to BWI flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of Seattle to Baltimore flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the Seattle (SEA) to Baltimore (BWI)
Terms and Conditions*