Cheap Alaska Airlines flights Los Angeles (LAX) to San José (SJO)

Finding cheap one-way Alaska Airlines flights from LAX to SJO on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares for your next exciting adventure.**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.

Alaska Airlines flights to San José are typically more affordable in the low-season months of September and October. Whether you’re after a one-way or a return ticket, you could land a better deal then.

Look for Alaska Airlines flights from LAX to SJO about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of fare class and itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book 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.

Jet off on one of Alaska Airlines’s 7 direct weekly flights from Los Angeles Intl. Airport (LAX) to Juan Santamaria Intl. Airport (SJO). To see your options, enter your origin, destination and dates and hit search. Next, apply the “Nonstop” and “Airline” filters.

Depart Los Angeles Intl. Airport (LAX) for Juan Santamaria Intl. Airport (SJO) on a direct Alaska Airlines flight, and you’ll be in the skies for approximately 5h 46m.

Leaving LAX at 4:11PM UTC-8, the first Alaska Airlines flight to SJO lands at 11:57PM UTC-6. Flying earlier in the day means you’ll be less likely to encounter cancellations or delays.* Don’t like early starts? The last Alaska Airlines flight from LAX to SJO departs at 4:11PM UTC-8 and touches down at 11:57PM UTC-6.*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.

Alaska Airlines flights from Los Angeles Intl. Airport (LAX) to San José come in to land at Juan Santamaria Intl. Airport (SJO). This is the main entry point to this city.

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

Chances are you’ll catch a Boeing 737-800 for your Alaska Airlines flight from Los Angeles Intl. Airport (LAX) to Juan Santamaria Intl. Airport (SJO). However, you may end up on a different aircraft if there are operational changes.

You can usually reschedule or cancel your flight, although additional charges may apply if you booked over 24 hours ago. Prefer to keep your options open? Make use of our “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to adjust your plans. To make changes, go to “Trips,” select your flight and click on “Manage Booking” for further information.