$172 Cheap American Airlines flights Pittsburgh (PIT) to Denver (DEN)

You can find affordable return American Airlines flights from $343 from PIT to DEN by filtering your results from “Price (lowest to highest)” on Expedia. Or search for bargains from $172 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.

American Airlines flights to Denver are often cheaper in the off-peak months of January and November. Whether you’re in search of a one-way or round-trip ticket, you could score a better deal then.

Search for affordable American Airlines flights from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN) one to three months before your departure date. 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. No matter the fare type and journey, the ideal day to book a domestic flight is generally Sunday and the most expensive day tends to be 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.

Click on our “Nonstop” filter when searching for direct American Airlines flights from PIT to DEN. It’s also a good way to compare other carriers servicing the same direct route.

To find the earliest departure from PIT to DEN with American Airlines, filter your search by “Morning” and “Early Morning.” Choosing an early flight usually means you’ll experience fewer 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.

American Airlines flights from Pittsburgh Intl. Airport (PIT) to Denver come in to land at Denver Intl. Airport (DEN). This is the main gateway here.

Depending on the type of ticket you purchased, a fee generally applies if you change or cancel your booking more than 24 hours after it has been confirmed. To find flexible fares, select our “Changes included” or “No cancel fee” filter when looking for flights. For additional information on changing or canceling your reservation, visit “Trips,” select your flight and tick “Manage Booking.”