CA $219 Cheap Alaska Airlines fights from Baltimore (BWI) to San Diego (SAN)

View CA $219 flight on Sun, Nov 23, 2025Opens in a new window

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Alaska Airlines flights from Baltimore to San Diego (BWI→SAN)

Prices were available within the past 7 days and start at CA $219 for one-way flights and CA $455 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue, Nov 11 - Wed, Nov 12
BWI
Baltimore
SAN
San Diego
CA $455 Roundtrip, found 14 hours ago
CA $455
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Nov 11 from Baltimore to San Diego, returning Wed, Nov 12, priced at CA $455 found 14 hours ago
Alaska Airlines
Sun, Sep 21 - Thu, Sep 25
BWI
Baltimore
SAN
San Diego
CA $956 Roundtrip, found 14 hours ago
CA $956
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Sun, Sep 21 from Baltimore to San Diego, returning Thu, Sep 25, priced at CA $956 found 14 hours ago
Flight from Baltimore to San Diego (BWI - SAN) route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Spirit Airlines
Popular airline
Delta
Distance
3664 km
Average flight time
3 hours 48 mins

Frequently asked questions

How much is an Alaska Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN)?
You can find cheap return Alaska Airlines flights from CA $455 from BWI to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from CA $219 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BWI to SAN with Alaska Airlines?
Browse for one-way or round-trip flights to San Diego in January or November. You could find a cheap fare with Alaska Airlines during these off-peak months.
Does Alaska Airlines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN)?
Fill in your dates, click search and use the "Nonstop" filter on Expedia to find any direct flights from BWI to SAN with Alaska Airlines or other airlines.
What airports does Alaska Airlines fly into in San Diego?
Hop on an Alaska Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego, and you'll most likely land at San Diego Intl. Airport (SAN). This is the airline's primary hub here.
Can I change or cancel my Alaska Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to San Diego Intl. Airport (SAN)?
Depending on your ticket type, a fee generally applies if you change or cancel your flight more than 24 hours after confirmation. To find tickets with more flexibility, select our "Changes included" or "No cancel fee" filter when searching for flights. For more information on modifying or cancelling your reservation, visit "Trips," select your flight and click on "Manage Booking."
*Available to Expedia members.