$144 Cheap American Airlines flights St. Louis (STL) to Monterey (MRY)

Landing cheap one-way American Airlines flights from STL to MRY from $144 on Expedia is a cinch — just filter by “Price (lowest to highest).” Or check out our budget-friendly return fares from $287 for your next exciting vacation.**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 one-way or round-trip flights to Monterey in January or February. You could find a cheap fare with American Airlines during these off-peak months.

For cheap American Airlines fares from Lambert-St. Louis Intl. Airport (STL) to Monterey Peninsula Airport (MRY), 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 the cost. Sunday is usually the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your journey 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.

To find out if there’s a direct journey from STL to MRY with American Airlines or any other carriers, check the “Nonstop” filter when browsing for flights.

Sort your results by “Early Morning” and “Morning” to browse the earliest flights from STL to MRY. Heading off early means you’re 20% 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.

Board an American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Monterey, and you’ll probably touch down at Monterey Peninsula Airport (MRY). This is the airline’s primary hub here.

It’s generally possible to reschedule or cancel your flight, although additional charges may apply if you made your booking over 24 hours ago. Need to keep your options open? Make use of Expedia’s “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you need to revise your plans. To update your booking, visit “Trips,” select your flight and click on “Manage Booking” for more information.