$234 Cheap American Airlines flights Springfield (SPI) to Denver (DEN)

You can find affordable return American Airlines flights from $367 from SPI to DEN by sorting your results from “Price (lowest to highest)” on Expedia. Or search for options from $234 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.

January is one of the least expensive months to jet off to Denver with American Airlines. You could also find excellent prices on one-way and return tickets in November.

Begin your search one to three months ahead of your travel date to find cheaper fares on American Airlines flights from Abraham Lincoln Capital Airport (SPI) to Denver Intl. Airport (DEN). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Time it well, 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 American Airlines flights from SPI to DEN. You’ll also be able to compare other carriers servicing the same direct route.

Find American Airlines’s earliest flights from SPI to DEN by selecting the “Early Morning” and “Morning” filters. Not only will you arrive sooner, early departures are also 20% less likely to be 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.

Denver Intl. Airport (DEN) is the primary Denver hub for American Airlines flights from Abraham Lincoln Capital Airport (SPI).

Depending on your ticket type, a fee is typically charged if you cancel or reschedule your flight more than 24 hours after confirmation. To secure plane tickets with more flexibility, select our “No cancel fee” or “Changes included” filter when looking for flights. For more details on changing or canceling your reservation, head to “Trips,” select your flight and tick “Manage Booking.”