$149 Cheap Alaska Airlines flights Seattle (SEA) to Baltimore (BWI)

View $149 flight on Fri, Feb 6, 2026Opens in a new window

$149 Cheap Alaska Airlines flights Seattle (SEA) to Baltimore (BWI)

Prices were available within the past 7 days and start at $149 for one-way flights and $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sun, Oct 18 - Mon, Oct 19
SEA
Seattle
BWI
Baltimore
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 18 from Seattle to Baltimore, returning Mon, Oct 19, priced at $333 found 1 day ago
Alaska Airlines
Sun, Oct 18 - Mon, Oct 19
SEA
Seattle
BWI
Baltimore
$338 Roundtrip, found 1 day ago
$338
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 18 from Seattle to Baltimore, returning Mon, Oct 19, priced at $338 found 1 day ago
Alaska Airlines
Sun, Oct 18 - Mon, Oct 19
SEA
Seattle
BWI
Baltimore
$369 Roundtrip, found 1 day ago
$369
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 18 from Seattle to Baltimore, returning Mon, Oct 19, priced at $369 found 1 day ago
Alaska Airlines
Sun, Oct 18 - Mon, Oct 19
SEA
Seattle
BWI
Baltimore
$398 Roundtrip, found 1 day ago
$398
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 18 from Seattle to Baltimore, returning Mon, Oct 19, priced at $398 found 1 day ago
Alaska Airlines
Sun, Oct 18 - Mon, Oct 19
SEA
Seattle
BWI
Baltimore
$408 Roundtrip, found 1 day ago
$408
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 18 from Seattle to Baltimore, returning Mon, Oct 19, priced at $408 found 1 day ago
Alaska Airlines
Sun, Oct 18 - Mon, Oct 19
SEA
Seattle
BWI
Baltimore
$429 Roundtrip, found 1 day ago
$429
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sun, Oct 18 from Seattle to Baltimore, returning Mon, Oct 19, priced at $429 found 1 day ago

Find the cheapest month to fly from Seattle (SEA) to Baltimore (BWI)

January is typically the cheapest month to fly

From $146 - $327 per traveler.

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Baltimore Washington Intl. Thurgood Marshall BWI. Cheapest and Closest option available. Average driving time to city center is 16 minutes. Flights from $429
BWI
Baltimore Washington Intl. Thurgood Marshall
CheapestClosest
Average driving time to city center16 min
Flights from $429
Flights from Seattle (SEA) to Baltimore (BWI)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines, United
Popular airline
American Airlines
Distance
3725 km
Average flight time
10 hours 34 mins