$100 Cheap Flights from Denver (DEN) to Pittsburgh (PIT)

You can find cheap one-way flights from $100 and cheap return flights from $216 Denver, CO (DEN-Denver Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) with Expedia. One-way flights typically cost between $197 and $1275, and return flights often range between $364 and $1186. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Denver, CO (DEN-Denver Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

August is the cheapest month to fly from Denver, CO (DEN) to Pittsburgh, PA (PIT), with average return fares around $332. This price is about 24% lower than the average fare for the year, as demand typically decreases after the summer travel season. Other budget-friendly months for this route include September and October.*Averages based on flights available on Expedia in the last year.

2 airlines operate nonstop service from DEN to PIT:

• United operates around 21 direct flights from DEN to PIT every week
• Frontier Airlines operates around 7 direct flights from DEN to PIT every week

Frontier Airlines is one of the cheapest airlines offering nonstop flights from Denver (DEN) to Pittsburgh (PIT), with round-trip tickets starting from around $510. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.

For flights from Denver to Pittsburgh, August and September are your best bets. These months not only offer round-trip prices around $332 but also provide a good balance of pleasant weather and fewer crowds, making your travel experience more enjoyable.*Prices based on flights available on Expedia in the last year.

First class is available on flights from DEN to PIT. First class cabins are available on:

• American Airlines
• Delta Air Lines
• United Airlines

A direct, return business class ticket from Denver, CO (DEN) to Pittsburgh, PA (PIT) typically costs between $1,288 - $1,795. A non-stop, one-way business class flight is usually around $528 - $723 per adult in economy/coach class. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Denver, CO (DEN-Denver Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.

It's easy to earn miles on a Denver, CO (DEN-Denver Intl.) to Pittsburgh, PA (PIT-Pittsburgh Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.