$125 Cheap American Airlines flights Tri-Cities (TRI) to Denver (DEN)

Use the “Price (lowest to highest)” filter on Expedia to look for cheap American Airlines return flights from $257 from TRI to DEN. Affordable one-way tickets from $125 are also available.**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.

Browse for one-way or round-trip flights to Denver in January or November. You could find a cheap fare with American Airlines during these off-peak travel months.

Look for affordable American Airlines flights from Tri-Cities Regional Airport (TRI) to Denver Intl. Airport (DEN) one to three months ahead of your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**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.

Enter your dates, press search and check the “Nonstop” filter on Expedia to find any direct flights from TRI to DEN with American Airlines or other airlines.

Find American Airlines’s earliest flights from TRI to DEN by selecting the “Morning” and “Early Morning” filters. Not only will you arrive at 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.

Denver Intl. Airport (DEN) is the primary Denver hub for American Airlines flights from Tri-Cities Regional Airport (TRI).

Depending on the type of fare you purchased, a fee is typically charged if you cancel or reschedule your booking more than 24 hours after it’s confirmed. To secure flexible fares, select our “Changes included” and “No cancel fee” boxes while searching for flights. To learn more about changing or canceling your reservation, go to “Trips,” select your flight and click on “Manage Booking.”