$124 Cheap Frontier Airlines flights Pittsburgh (PIT) to Denver (DEN)

Make use of the “Price (lowest to highest)” filter on Expedia to look for cheap Frontier Airlines round-trip flights from $219 from PIT to DEN. Affordable one-way options from $124 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.

Frontier Airlines flights to Denver are generally cheaper in the low-season months of January and November. Whether you’re searching for a one-way or round-trip ticket, you could score a better deal then.

Begin your search one to three months ahead of your travel date to score cheaper fares on Frontier Airlines flights from Pittsburgh Intl. Airport (PIT) 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 cut 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.

Frontier Airlines has direct flights from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN), with 2 departures each week. Simply choose the “Nonstop” and “Airline” filters during your search on Expedia to show all direct Frontier Airlines flights to DEN.

The travel time for a nonstop Frontier Airlines flight from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN) typically takes 3h 41m.

The earliest flight from PIT to DEN with Frontier Airlines leaves at 4:41PM UTC-5. You’ll land at 6:22PM UTC-7. The last Frontier Airlines flight of the day takes off at 4:41PM UTC-5 and arrives at 6:22PM UTC-7. With around 20% fewer cancellations for departures before midday, starting your travel day early is often the wisest option.**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 main Denver hub for Frontier Airlines flights from Pittsburgh Intl. Airport (PIT).

With a rewarding loyalty program, Frontier Airlines is a favorite of many passengers flying from PIT to DEN. Plus, if you’re a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Hop on a Frontier Airlines flight from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN), and you’ll likely be flying on an Airbus A320neo. Bear in mind though, that the aircraft type can vary depending on operational demands.

You can usually cancel or modify your flight, although there may be additional fees if you made your booking more than 24 hours ago. Prefer to keep your options open? Make use of our “Changes included” and “No cancel fee” filters to find flights that won’t charge extra if you have to alter your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for further information.