$209 Cheap Flights from Waterloo (ALO) to Peoria (PIA)

View $209 flight on Tue, Mar 10, 2026Opens in a new window

Popular airlines from Waterloo, IA (ALO-Waterloo Regional) to Peoria, IL (PIA-Greater Peoria Regional)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from Waterloo to Peoria (ALO-PIA)

Prices were available within the past 7 days and start at $209 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Frequently asked questions

How much does a flight from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA) cost?
Lock in a cheap one-way flight from $209 or cheap return flight from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA)?
The cheapest month to fly from ALO to PIA is , when demand is low. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA)?
To find the cheapest airline flying from ALO to PIA, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA)?
There are no daily direct flights available from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from ALO to PIA?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a range of factors, such as 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 Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA)?
Book a flight from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 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.
Is it cheaper to buy a plane ticket from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA) last-minute?
Last-minute fares from ALO to PIA are generally more expensive. To lock in the best prices, start searching for flights well in advance. That being said, if you're flexible with your travel dates, you may find a cheap fare right before you leave.
Is it cheaper to book an ALO to PIA flight and hotel package?
Opting for an ALO to PIA flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Choose from our impressive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Waterloo Regional Airport (ALO) to Greater Peoria Regional Airport (PIA)?
If you booked your ALO to PIA flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for more information.

Travel information

Origin airport
Waterloo Regional
Destination airport
Greater Peoria Regional
Distance
190 mi

Book with confidence

Waterloo to Peoria Flights

The cheapest times to fly from Waterloo to Peoria

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 Waterloo to Peoria are during the month of . You can find some of the cheapest flights from Waterloo to Peoria with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Waterloo to Peoria

Sunday is one of the best days to book for cheap flights from Waterloo to Peoria: 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 Waterloo to Peoria

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 Waterloo to Peoria in 2026. You can also book with separate airlines for your outbound and return journeys, from $209 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 Waterloo to Peoria 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 Waterloo to Peoria 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.

 

Waterloo to Peoria Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.