£118 Cheap Alaska Airlines flights from Baltimore to San Diego (BWI→SAN)

View £118 flight on Mon, 15 Dec 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 £118 for one-way flights and £258 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 4 Dec - Tue, 9 Dec
BWI
Baltimore
SAN
San Diego
£258 Return, found 13 hours ago
£258
Return
found 13 hours ago
Select Alaska Airlines flight, departing Thu, 4 Dec from Baltimore to San Diego, returning Tue, 9 Dec, priced at £258 found 13 hours ago
Alaska Airlines
Thu, 4 Dec - Tue, 9 Dec
BWI
Baltimore
SAN
San Diego
£289 Return, found 13 hours ago
£289
Return
found 13 hours ago
Select Alaska Airlines flight, departing Thu, 4 Dec from Baltimore to San Diego, returning Tue, 9 Dec, priced at £289 found 13 hours ago
Alaska Airlines
Wed, 1 Oct - Tue, 7 Oct
BWI
Baltimore
SAN
San Diego
£307 Return, found 1 day ago
£307
Return
found 1 day ago
Select Alaska Airlines flight, departing Wed, 1 Oct from Baltimore to San Diego, returning Tue, 7 Oct, priced at £307 found 1 day ago
Alaska Airlines
Thu, 4 Dec - Tue, 9 Dec
BWI
Baltimore
SAN
San Diego
£311 Return, found 13 hours ago
£311
Return
found 13 hours ago
Select Alaska Airlines flight, departing Thu, 4 Dec from Baltimore to San Diego, returning Tue, 9 Dec, priced at £311 found 13 hours ago
Alaska Airlines
Sat, 18 Oct - Wed, 22 Oct
BWI
Baltimore
SAN
San Diego
£331 Return, found 21 hours ago
£331
Return
found 21 hours ago
Select Alaska Airlines flight, departing Sat, 18 Oct from Baltimore to San Diego, returning Wed, 22 Oct, priced at £331 found 21 hours ago
Alaska Airlines
Thu, 4 Dec - Tue, 9 Dec
BWI
Baltimore
SAN
San Diego
£333 Return, found 13 hours ago
£333
Return
found 13 hours ago
Select Alaska Airlines flight, departing Thu, 4 Dec from Baltimore to San Diego, returning Tue, 9 Dec, priced at £333 found 13 hours ago
Flight from Baltimore to San Diego route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, United
Popular airline
Alaska Airlines
Distance
3664 km
Average flight time
3 hours 30 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 £258 from BWI to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from £118 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.