$76 Find Cheap United Airlines Flights from Chicago to Denver

When to Book Flights with United Airlines from Chicago to Denver

• How far in advance should I book tickets for a flight with United Airlines from Chicago to Denver?

  Generally, when trying to get a below average price for your ticket, try to book around 14 days before departure. For the cheapest possible price, our data suggests booking 75 days before departure.

• Is United Airlines the cheapest airline to fly with from Chicago to Denver?

  With an average price of $291 return, United Airlines is not the cheapest airline to fly from Chicago to Denver with. Instead, for the lowest price, our data suggests flying with Frontier, where a return flight costs $135 on average.

• What is the cheapest United Airlines flight from Chicago to Denver?

  In the last 3 days, the lowest price for a flight with United Airlines from Chicago to Denver was $124 for a return flight and $75 for a one-way flight.

• Does United Airlines fly direct to Denver from Chicago?

  Yes, United Airlines does offer direct flights for the route, with around 31 flights per week.

• What’s the cheapest day of the week to fly from Chicago to Denver with United Airlines?

  On average, the cheapest day of the week to fly from Chicago to Denver with United Airlines is Wednesday, when prices are around $72. The most expensive day is generally Saturday, where the average price is around $116.

• What’s the cheapest month to fly from Chicago to Denver with United Airlines?

  The cheapest month for United Airlines flights to Denver from Chicago is generally September, where plane tickets cost $154 on average. If possible, try to avoid the most expensive months of December and January, where tickets cost $240 and $293 respectively.