Cheap Flight Tickets from Baltimore (BWI) to Seattle (SEA), Starting at $365

Good to Know: Cheapest and Fastest BWI - SEA Flights

Useful information for finding best airline tickets from Baltimore/Washington International Thurgood Marsha to Seattle Tacoma International on your next trip.

Cheapest Round Trip Flight

$365

AS Alaska Airlines • 1 stop • 13h 28m

Aug 11 – Aug 16

The cheapest round trip flight from Baltimore to Seattle (BWI-SEA-BWI) is currently $365

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Cheapest Direct Flight

$379

AS Alaska Airlines • nonstop • 9h 13m

Aug 11

The cheapest nonstop flight from Baltimore to Seattle (BWI-SEA) is currently $379

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Fastest Flight

9h

The fastest nonstop flight from Baltimore to Seattle (BWI-SEA) takes 9h

Top Airlines Flying from Baltimore to Seattle

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

Latest Flight Deals from Baltimore (BWI) to Seattle (SEA)

Compare and book low fare round-trip air tickets from Baltimore to Seattle. Ideal for travelers with confirmed return itineraries.

Aug 11 - Aug 16, Economy
AS
Baltimore → Seattle
13h 28m
4:19 PM - 9:27 PM • 1 stop
AS
Baltimore → Seattle
8h 25m
10:22 PM - 6:27 AM • nonstop
$365
Alaska Airlines
Aug 11 - Aug 16, Economy
WN
Baltimore → Seattle
16h 40m
11:10 AM - 6:10 PM • 1 stop
WN
Baltimore → Seattle
8h 20m
10:30 PM - 6:30 AM • nonstop
$767
Southwest Airlines
Aug 11 - Aug 16, Economy
WN
Baltimore → Seattle
15h 35m
8:25 AM - 3:00 PM • 1 stop
WN
Baltimore → Seattle
8h 20m
10:30 PM - 6:30 AM • nonstop
$767
Southwest Airlines
Aug 11 - Aug 16, Economy
WN
Baltimore → Seattle
12h 10m
6:30 AM - 11:00 AM • 1 stop
WN
Baltimore → Seattle
8h 20m
10:30 PM - 6:30 AM • nonstop
$767
Southwest Airlines
Aug 11 - Aug 16, Economy
WN
Baltimore → Seattle
17h
3:45 PM - 11:05 PM • 1 stop
WN
Baltimore → Seattle
8h 20m
10:30 PM - 6:30 AM • nonstop
$767
Southwest Airlines
Aug 11 - Aug 16, Economy
WN
Baltimore → Seattle
15h
12:10 PM - 6:10 PM • 2 stops
WN
Baltimore → Seattle
8h 20m
10:30 PM - 6:30 AM • nonstop
$772
Southwest Airlines

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

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

FAQs on Baltimore to Seattle Flights

What are the airports in Baltimore?
IAD,BWI,DCA
What’s the most popular airline flying from BWI to SEA?
The most popular airline flying from Baltimore to Seattle are
Can I fly from BWI to SEA non-stop?
Yes, you can fly BWI to SEA non-stop on
Which airlines fly nonstop between Baltimore and Seattle?
The non-stop flights between Baltimore and Seattle are .
What’s the earliest departure time from BWI to SEA Airport?
The earliest flight leaves BWI at 6:30 am and lands in SEA - Seattle Tacoma International
What are the airports in Seattle?
SEA
Can I make changes to my Baltimore to Seattle 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 BWI to SEA?
Read the fare rules of the Baltimore to Seattle 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 Baltimore and Seattle?
operate flights between Baltimore and Seattle
How long does a flight from Baltimore to Seattle take?
It takes approximately 5 hour to fly non-stop from BWI to SEA, which is 2334.76 miles by air.
Which airlines provide the cheapest flights from Baltimore (BWI) to Seattle (SEA) ?
In the past couple of days, the cheapest tickets to SEA from BWI were found on AS : USD 365
Do I need a passport to fly between BWI and SEA?
No
What’s the latest departure time from BWI to SEA ?
The last flight leaves BWI at 6:07 pm

Baltimore (BWI) to Seattle (SEA): Airport Information

Origin Airport Baltimore/Washington International Thurgood Marsha, Baltimore, US
Destination Airport Seattle Tacoma International , Seattle, US
Distance 2335 miles

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