$159 Cheap Delta flights Los Angeles (LAX) to St. Louis (STL)

You can find affordable return Delta Air Lines flights from $253 from LAX to STL by sorting your results from “Price (lowest to highest)” on Expedia. Or search for deals from $159 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.

Search for round-trip or one-way flights to St. Louis in January or February. You could find an affordable fare with Delta Air Lines during these off-season months.

To find cheap Delta Air Lines fares from Los Angeles Intl. Airport (LAX) to Lambert-St. Louis Intl. Airport (STL), start searching one to three months before your intended departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect how much you pay. Sunday tends to be the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Fill in your dates, click search and check the “Nonstop” filter on Expedia to browse any direct flights from LAX to STL with Delta Air Lines or another carrier.

Filter your results by “Morning” and “Early Morning” to find the earliest flights from LAX to STL. Leaving 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.

Jump on a Delta Air Lines flight from Los Angeles Intl. Airport (LAX) to St. Louis, and you’ll probably arrive at Lambert-St. Louis Intl. Airport (STL). This is the airline’s main hub in this destination.

Heading from LAX to STL with Delta Air Lines means enjoying a range of perks, including an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to redeem on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making your booking, but your airline may charge a fee after that. For further information about modifying your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without additional costs, tick the “Changes included” or “No cancel fee” filter when planning your next trip.