$218 Cheap Alaska Airlines flights San José (SJO) to San Diego (SAN)

View $218 flight on Wed, Dec 10, 2025Opens in a new window

$218 Cheap Alaska Airlines flights San José (SJO) to San Diego (SAN)

Prices were available within the past 7 days and start at $218 for one-way flights and $379 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Wed, Jan 14 - Wed, Jan 28
SJO
San José
SAN
San Diego
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Jan 14 from San José to San Diego, returning Wed, Jan 28, priced at $379 found 3 days ago
Flights from San José (SJO) to San Diego (SAN)
Origin airport
Juan Santamaría Intl.
Destination airport
San Diego Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Copa, Delta, JetBlue Airways, Southwest Airlines, Spirit Airlines, United, avianca
Popular airline
United
Distance
2620 mi

Frequently asked questions

How much is an Alaska Airlines flight from Juan Santamaria Intl. Airport (SJO) to San Diego Intl. Airport (SAN)?
Finding cheap one-way Alaska Airlines flights from SJO to SAN from $218 on Expedia is a cinch --- just filter by "Price (lowest to highest)." Or check out our affordable return fares from $379 for your next break.**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 SJO to SAN with Alaska Airlines?
January is one of the least expensive months to get away to San Diego with Alaska Airlines. You could also find great prices on one-way and return tickets in November.
What is the cheapest time to book flights from Juan Santamaria Intl. Airport (SJO) to San Diego Intl. Airport (SAN) with Alaska Airlines?
Start your search for Alaska Airlines flights from SJO to SAN about one month before you want to leave. The cheapest time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your fare class and itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Travelers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**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.
Does Alaska Airlines fly nonstop from Juan Santamaria Intl. Airport (SJO) to San Diego Intl. Airport (SAN)?
Use the "Nonstop" filter when searching for direct Alaska Airlines flights from SJO to SAN. It's also a great way to compare other carriers offering the same nonstop route.
What is the earliest Alaska Airlines flight from SJO to SAN?
Filter your results by "Morning" and "Early Morning" to browse the earliest flights from SJO to SAN. Setting off early means flight cancellations are less likely.**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.
What airports does Alaska Airlines fly into in San Diego?
Get on an Alaska Airlines flight from Juan Santamaria Intl. Airport (SJO) to San Diego, and you're most likely to arrive at San Diego Intl. Airport (SAN). This is the airline's main hub here.
Why fly with Alaska Airlines from SJO to SAN?
With an excellent in-flight experience and a rewarding loyalty program, Alaska Airlines is the leading choice for many travelers flying from SJO to SAN. What's more, 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 put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Alaska Airlines flight from Juan Santamaria Intl. Airport (SJO) to San Diego Intl. Airport (SAN)?
Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that. For more information about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you want the freedom to update your itinerary without extra charges, tick the "Changes included" or "No cancel fee" filter when planning your trip.

Explore a world of travel with Expedia

*Available to One Key members.