Cheap Alaska Airlines flights St. Louis (STL) to Sacramento (SMF)

Use the “Price (lowest to highest)” filter on Expedia to search for cheap Alaska Airlines return flights from $259 from STL to SMF. Affordable one-way fares are available as well.**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 jet away to Sacramento with Alaska Airlines. You could also find excellent prices on return and one-way tickets in February.

Start searching one to three months ahead of your travel date to score cheaper fares on Alaska Airlines flights from Lambert-St. Louis Intl. Airport (STL) to Sacramento Intl. Airport (SMF). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce 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 the timing right, and you can enjoy significant savings on domestic flights.*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.

Select our “Nonstop” filter when browsing for direct Alaska Airlines flights from STL to SMF. It’s also an easy way to compare other airlines offering the same nonstop trip.

Search Alaska Airlines’s earliest flights from STL to SMF by selecting the “Early Morning” and “Morning” filters. Not only will you get to your destination sooner, early departures also have a 20% less chance of being canceled.**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.

Take an Alaska Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Sacramento, and you’ll likely land at Sacramento Intl. Airport (SMF). This is the airline’s main hub here.

With a rewarding loyalty program and top-tier customer service, Alaska Airlines is a favorite for many travelers heading from STL to SMF. What’s more, 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 go toward future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Depending on the type of ticket you purchased, a fee generally applies if you cancel or reschedule your booking more than 24 hours after it’s been confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when you search for flights. For more information on changing or canceling your reservation, head to “Trips,” select your flight and click on “Manage Booking.”