Photo by Port of Seattle

$114 Cheap Delta flights Baltimore (BWI) to Seattle (SEA)
$114 Cheap Delta flights Baltimore (BWI) to Seattle (SEA)
Prices were available within the past 7 days and start at $114 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Sep 4 - Fri, Sep 11
BWI
Baltimore
SEA
Seattle
$227 Roundtrip, just found
$227
Roundtrip
just found

Sun, Sep 6 - Wed, Sep 9
BWI
Baltimore
SEA
Seattle
$253 Roundtrip, just found
$253
Roundtrip
just found

Fri, Aug 28 - Fri, Sep 18
BWI
Baltimore
SEA
Seattle
$279 Roundtrip, found 4 days ago
$279
Roundtrip
found 4 days ago

Fri, Sep 4 - Fri, Sep 11
BWI
Baltimore
SEA
Seattle
$282 Roundtrip, just found
$282
Roundtrip
just found

Fri, Sep 4 - Fri, Sep 11
BWI
Baltimore
SEA
Seattle
$303 Roundtrip, just found
$303
Roundtrip
just found

Tue, Jul 14 - Mon, Aug 3
BWI
Baltimore
SEA
Seattle
$307 Roundtrip, found 5 days ago
$307
Roundtrip
found 5 days ago
Find the cheapest month to fly from Baltimore (BWI) to Seattle (SEA)
September is typically the cheapest month to fly
From $164 - $367 per traveler.
Travel information
Origin airport | Baltimore Washington Intl. Thurgood Marshall |
|---|---|
Destination airport | Seattle - Tacoma Intl. |
Airlines serving | Alaska Airlines, American Airlines, Delta, Southwest Airlines, United |
Popular airline | American Airlines |
Distance | 3725 km |
Average flight time | 4 hours 43 mins |
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Most Popular Delta Routes from Baltimore
Most Popular Delta Routes from Seattle
- Savannah to San Antonio (SAV - SAT)
- Wilmington to Detroit (ILM - DTW)
- Elmira to Las Vegas (ELM - LAS)
- New York to Tampa (JFK - TPA)
- Augusta to Kingston (AGS - KIN)
- Harrisburg to Tri-Cities (MDT - TRI)
- Baltimore to San Francisco (BWI - SFO)
- Milwaukee to Orlando (MKE - MCO)
- Newark Liberty Intl. Airport to Tampa (EWR - TPA)
- Columbia to Kingston (CAE - KIN)
Popular Domestic Routes in Seattle - Tacoma Intl.
- Augusta to Kingston (AGS - KIN)
- Atlanta to Newark Liberty Intl. Airport (ATL - EWR)
- Mobile to Los Angeles (MOB - LAX)
- New York to Tampa (JFK - TPA)
- Savannah to San Antonio (SAV - SAT)
- Charlotte to Boston (CLT - BOS)
- Panama City to Dallas (ECP - DFW)
- Atlanta to Washington (ATL - DCA)
- Idaho Falls to Tampa (IDA - TPA)
- Newark Liberty Intl. Airport to Tampa (EWR - TPA)