£139 Cheap Alaska Airlines flights from Baltimore to San Diego (BWI→SAN)

View £139 flight on Sat, 30 May 2026Opens 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 £139 for one-way flights and £327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 30 May - Sat, 18 Jul
BWI
Baltimore
SAN
San Diego
£327 Return, found 2 days ago
£327
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 30 May from Baltimore to San Diego, returning Sat, 18 Jul, priced at £327 found 2 days ago
Alaska Airlines
Thu, 28 May - Wed, 3 Jun
BWI
Baltimore
SAN
San Diego
£334 Return, found 3 days ago
£334
Return
found 3 days ago
Select Alaska Airlines flight, departing Thu, 28 May from Baltimore to San Diego, returning Wed, 3 Jun, priced at £334 found 3 days ago
Alaska Airlines
Thu, 20 Aug - Wed, 26 Aug
BWI
Baltimore
SAN
San Diego
£364 Return, found 2 days ago
£364
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 20 Aug from Baltimore to San Diego, returning Wed, 26 Aug, priced at £364 found 2 days ago
Alaska Airlines
Sun, 16 Aug - Sun, 30 Aug
BWI
Baltimore
SAN
San Diego
£395 Return, found 19 hours ago
£395
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Baltimore to San Diego, returning Sun, 30 Aug, priced at £395 found 19 hours ago
Alaska Airlines
Thu, 20 Aug - Wed, 26 Aug
BWI
Baltimore
SAN
San Diego
£396 Return, found 2 days ago
£396
Return
found 2 days ago
Select Alaska Airlines flight, departing Thu, 20 Aug from Baltimore to San Diego, returning Wed, 26 Aug, priced at £396 found 2 days ago
Alaska Airlines
Sun, 16 Aug - Sun, 30 Aug
BWI
Baltimore
SAN
San Diego
£432 Return, found 19 hours ago
£432
Return
found 19 hours ago
Select Alaska Airlines flight, departing Sun, 16 Aug from Baltimore to San Diego, returning Sun, 30 Aug, priced at £432 found 19 hours ago

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 £327 from BWI to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from £139 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."

Travel information

Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines
Popular airline
Alaska Airlines
Distance
3664 km
Average flight time
3 hours 38 mins

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*Available to Expedia members.