Cheap flights from Denver to Peoria from $106

The cheapest month to fly to Peoria, Illinois from Denver is in August. Flight prices, which tend to average around $133, are often lower during this time because this is during the off-season. If you’re not able to fly to Peoria, Illinois in August, then April is your next best option. Flight prices from Denver to Peoria, Illinois during April average around $170.

Our data shows that Friday is the least expensive day to fly to Peoria, Illinois. Tickets to fly out on this day can be as low as $171. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around $470. These prices are subject to change though, so be sure to set up a Price Alert for flights to Peoria, Illinois.

Our most recent data shows that the best time of day to fly to Peoria, Illinois is in the morning. Flights from Denver to Peoria, Illinois during this time can be as low as $209. Try not to purchase tickets in the afternoon because they tend to be around $243. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Peoria, Illinois from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Peoria, Illinois for around $260 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Peoria, Illinois from Denver for as low as $179 on momondo.

There are 3 cabin classes available to choose from on Denver Intl to Greater Peoria 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 Denver to Peoria, Illinois.

As of February 2026, prices for Denver to Peoria, Illinois flights are approximately 335% more expensive when compared to flights at the same time last year.

United Airlines is the most popular carrier operating from Denver Intl to Greater Peoria

United Airlines, American Airlines and Allegiant Air are the top three most popular airlines that fly to Peoria, Illinois from Denver according to our data. United Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Peoria, Illinois. Keep in mind that there are 3 different airlines that fly to Peoria, Illinois on a routine basis, so you have a few additional options to choose from.

As of February 2026, there are 1 flights per day flying from Denver to Peoria, Illinois. The most common time of day flights depart is 5:00PM, with 100% of flights taking off in the afternoon.

As of February 2026, there are 7 flights per week flying from Denver to Peoria, Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.