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Popular airlines from Baltimore to SeaTac
Alaska AirlinesAlaska Airlines
Frontier AirlinesFrontier Airlines
Southwest AirlinesSouthwest Airlines
American AirlinesAmerican Airlines
Sun Country AirlinesSun Country Airlines
DeltaDelta
UnitedUnited
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Today's featured flight deals from Baltimore to SeaTac
Nonstop
Carry-on included
Lower price than typical
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Sun, Aug 17 at 7:10pm from Baltimore, arriving at 10:07pm in Seattle.Returning on Sat, Aug 23 at 5:35am from Seattle, arriving at 4:48pm in Baltimore.Select Alaska Airlines flight departing on Sun, Aug 17 at 7:10pm from Baltimore, returning on Sat, Aug 23 at 5:35am from Seattle priced at $28940% less than typical$289
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Fri, Aug 22 at 7:22pm from Baltimore, arriving at 10:05pm in Seattle.Returning on Tue, Aug 26 at 12:46am from Seattle, arriving at 11:52am in Baltimore.Select Alaska Airlines flight departing on Fri, Aug 22 at 7:22pm from Baltimore, returning on Tue, Aug 26 at 12:46am from Seattle priced at $25040% less than typical$250
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Aug 14 at 7:10pm from Baltimore, arriving at 10:07pm in Seattle.Returning on Mon, Aug 18 at 10:45pm from Seattle, arriving on Tue, Aug 19 at 9:55am in Baltimore.Select Alaska Airlines flight departing on Thu, Aug 14 at 7:10pm from Baltimore, returning on Mon, Aug 18 at 10:45pm from Seattle priced at $28940% less than typical$289
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Aug 21 at 7:00am from Baltimore, arriving at 9:40am in Seattle.Returning on Wed, Aug 27 at 12:46am from Seattle, arriving at 11:52am in Baltimore.Select Alaska Airlines flight departing on Thu, Aug 21 at 7:00am from Baltimore, returning on Wed, Aug 27 at 12:46am from Seattle priced at $25040% less than typical$250
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Wed, Aug 20 at 7:00am from Baltimore, arriving at 9:40am in Seattle.Returning on Wed, Aug 27 at 8:10am from Seattle, arriving at 8:20pm in Baltimore.Select Alaska Airlines flight departing on Wed, Aug 20 at 7:00am from Baltimore, returning on Wed, Aug 27 at 8:10am from Seattle priced at $24540% less than typical$245
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Wed, Aug 20 at 7:00am from Baltimore, arriving at 9:40am in Seattle.Returning on Wed, Aug 27 at 6:34am from Seattle, arriving at 6:03pm in Baltimore.Select Alaska Airlines flight departing on Wed, Aug 20 at 7:00am from Baltimore, returning on Wed, Aug 27 at 6:34am from Seattle priced at $24540% less than typical$245
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Aug 21 at 7:00am from Baltimore, arriving at 9:40am in Seattle.Returning on Mon, Aug 25 at 9:29pm from Seattle, arriving on Tue, Aug 26 at 5:33am in Baltimore.Select Alaska Airlines flight departing on Thu, Aug 21 at 7:00am from Baltimore, returning on Mon, Aug 25 at 9:29pm from Seattle priced at $27730% less than typical$277
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Thu, Aug 14 at 7:10pm from Baltimore, arriving at 10:07pm in Seattle.Returning on Tue, Aug 19 at 9:29pm from Seattle, arriving on Wed, Aug 20 at 5:30am in Baltimore.Select Alaska Airlines flight departing on Thu, Aug 14 at 7:10pm from Baltimore, returning on Tue, Aug 19 at 9:29pm from Seattle priced at $27730% less than typical$277
- Baltimore (BWI) to Seattle (SEA).Alaska Airlines, nonstop.Departing on Sat, Aug 16 at 7:10pm from Baltimore, arriving at 10:07pm in Seattle.Returning on Tue, Aug 19 at 9:29pm from Seattle, arriving on Wed, Aug 20 at 5:30am in Baltimore.Select Alaska Airlines flight departing on Sat, Aug 16 at 7:10pm from Baltimore, returning on Tue, Aug 19 at 9:29pm from Seattle priced at $27730% less than typical$277
Cheap Flights from Baltimore to SeaTac (WAS-SEA)
Prices were available within the past 7 days and start at $104 for one-way flights and $204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.
Fri, Oct 24 - Mon, Oct 27
BWI
Baltimore
SEA
Seattle
$204 Roundtrip, just found
$204
Roundtrip
just found
Fri, Oct 24 - Mon, Oct 27
BWI
Baltimore
SEA
Seattle
$207 Roundtrip, just found
$207
Roundtrip
just found
Mon, Sep 1 - Mon, Dec 15
BWI
Baltimore
SEA
Seattle
$240 Roundtrip, found 12 hours ago
$240
Roundtrip
found 12 hours ago
Tue, Oct 14 - Tue, Oct 28
DCA
Washington
SEA
Seattle
$274 Roundtrip, found 1 hour ago
$274
Roundtrip
found 1 hour ago
Fri, Sep 19 - Tue, Sep 23
BWI
Baltimore
SEA
Seattle
$277 Roundtrip, just found
$277
Roundtrip
just found
Tue, Oct 21 - Tue, Oct 28
BWI
Baltimore
SEA
Seattle
$277 Roundtrip, found 6 hours ago
$277
Roundtrip
found 6 hours ago
Find the cheapest month to fly from Baltimore (BWI) to Seattle (SEA)
September is typically the cheapest month to fly
From $150 - $238 per traveler.
Graph displaying average flight prices per month
Alternative airports near SeaTac
Prices were available within the past 7 days. Prices and availability are subject to change.
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