Cheap flights from Peoria, Illinois to Denver from $205

The cheapest month to fly to Denver from Peoria, Illinois is in January. Flight prices, which tend to average around $288, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in January, then you should wait until December to fly from Peoria, Illinois, when ticket prices are also cheap, with an average price of $298.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $381. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $704.

The cheapest time of day to fly to Denver is in the afternoon when flights can be purchased for as low as $249. Flights in the morning are often more expensive with an average ticket price of $440.

Fly from Greater Peoria to Denver Intl for the best Greater Peoria - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Peoria, Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $362 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Peoria, Illinois for as low as $281 on momondo.

There are 4 cabin classes available to choose from on Peoria, Illinois to Denver flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

No. A direct flight is the cheapest option for a flight between Peoria, Illinois to Denver.

As of November 2026, prices for Peoria, Illinois to Denver flights are approximately 147% more expensive when compared to flights at the same time last year.

American Airlines and United Airlines are the most popular carriers operating from Greater Peoria to Denver Intl

United Airlines, American Airlines and Allegiant Air are the top three most popular airlines that fly to Denver from Peoria, Illinois according to our data. United Airlines is the first choice among our users, with 71% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

1 flights are operational daily from Peoria, Illinois to Denver as of November 2026. The most popular departure time for this route is 8:00AM, with 100% of flights per day taking off at noon.

The number of flights available between Peoria, Illinois and Denver is 7 per week as of November 2026. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.