$138 Cheap Alaska Airlines flights Pittsburgh (PIT) to San Diego (SAN)

Apply the “Price (lowest to highest)” filter on Expedia to find cheap Alaska Airlines round-trip flights from $277 from PIT to SAN. Affordable one-way fares from $138 are also on offer.**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.

January is one of the least expensive months to travel to San Diego with Alaska Airlines. You could also find excellent prices on one-way and round-trip fares in November.

Start searching one to three months before your departure to find cheap fares on Alaska Airlines flights from Pittsburgh Intl. Airport (PIT) to San Diego Intl. Airport (SAN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Simply enter your dates, hit search and tick the “Nonstop” filter on Expedia to find any direct flights from PIT to SAN with Alaska Airlines or other airlines.

To find the earliest departure from PIT to SAN with Alaska Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight generally means you’re less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Catch an Alaska Airlines flight from Pittsburgh Intl. Airport (PIT) to San Diego, and you’ll likely land at San Diego Intl. Airport (SAN). This is the airline’s main hub here.

Offering a rewarding loyalty program and an excellent in-flight experience, Alaska Airlines is the leading choice for many travelers heading from PIT to SAN. Also, if you’re a Mileage Plan and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are generally free within 24 hours of making your booking, but your airline may add a charge after that. For more information about modifying your flights, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without additional charges, tick the “Changes included” or “No cancel fee” filter when organizing your trip.