$222 Cheap American Airlines flights St. Louis (STL) to Yuma (YUM)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap American Airlines return flights from $474 from STL to YUM. Affordable one-way fares from $222 are available too.**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 return or one-way flights to Yuma in September or June. You could find lower fares with American Airlines during these off-peak months.

For cheap American Airlines fares from Lambert-St. Louis Intl. Airport (STL) to Yuma Intl. Airport (YUM), start searching one to three months before your planned departure. Reserving 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 influence the overall cost. Sunday tends to be the cheapest, 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.

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

Sort your results by “Early Morning” and “Morning” to browse the earliest departures from STL to YUM. 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.

Catch an American Airlines flight from Lambert-St. Louis Intl. Airport (STL) to Yuma, and you’ll likely touch down at Yuma Intl. Airport (YUM). This is the airline’s main hub here.

Depending on your fare type, a fee is typically charged if you modify or cancel your flight more than 24 hours after it’s been confirmed. To find flexible fares, select our “Changes included” and “No cancel fee” boxes when looking for flights. For more details on canceling or modifying your reservation, go to “Trips,” select your flight and tick “Manage Booking.”