Cheap Flights from Peoria (PIA) to Boulder (WBU)

Popular airlines from Peoria, IL (PIA-Greater Peoria Regional) to Boulder, CO (WBU-Boulder Municipal)

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Frequently asked questions

How much does a flight from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal) cost?
Lock in a cheap one-way flight or cheap return flight from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal)?
Planning your getaway for is a great way to save, as it's the cheapest month for flights between PIA and WBU. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest PIA to WBU flight.
How many flights per day from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal)?
You'll need to hop on a flight with a layover if you're traveling from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal). There are no daily direct flights on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PIA to WBU?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on a range of factors, including the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal)?
To avoid possible delays on the Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal) route, aim to travel before 3 PM. Departures after this time are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Boulder from Greater Peoria Regional Airport (PIA)?
If you're boarding a direct flight from Greater Peoria Regional Airport (PIA) to Boulder, Denver Intl. Airport (DEN) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal) last-minute?
Last-minute bookings from PIA to WBU are generally more expensive. To secure the cheapest rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a PIA to WBU flight and hotel package?
You can save money by booking a PIA to WBU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Greater Peoria Regional Airport (PIA) to Boulder, CO (WBU-Boulder Municipal)?
It's usually possible to reschedule or cancel your PIA to WBU flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Travel information

Origin airport
Greater Peoria Regional
Destination airport
Boulder Municipal
Distance
818 mi

Book with confidence

Book with confidence

Peoria to Boulder Flights

The cheapest times to fly from Peoria to Boulder

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Peoria to Boulder are during the month of . You can find some of the cheapest flights from Peoria to Boulder with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Peoria to Boulder

Sunday is one of the best days to book for cheap flights from Peoria to Boulder: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Peoria to Boulder

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Peoria to Boulder in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Peoria to Boulder flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Peoria to Boulder airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Peoria to Boulder Flights

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*Available to One Key members.