$529 Cheap Flights from Peoria (PIA) to Pasco (PSC)

View $529 flight on Fri, Oct 24, 2025Opens in a new window

Popular airlines from Peoria, IL (PIA-Greater Peoria Regional) to Tri-Cities Airport (PSC)

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Cheap Flights from Peoria to Pasco (PIA-PSC)

Prices were available within the past 7 days and start at $529 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC) cost?
Lock in a cheap one-way flight from $529 or cheap return flight from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC) 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 Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC)?
is the least expensive month to fly from PIA to PSC. Timing your trip outside of the busy season is often the key to landing a great deal.
What is the cheapest airline that flies from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from PIA to PSC. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC)?
There aren't any daily direct flights available from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time at all.
What day of the week has the most flights from PIA to PSC?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the airline, season and other factors.*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 Tri-Cities Airport (PSC)?
To land at Tri-Cities Airport (PSC) without delays, book a flight that leaves from Greater Peoria Regional Airport (PIA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC) last-minute?
Last-minute fares from PIA to PSC are typically more expensive. To lock in the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may score a cheap fare right before your journey.
Is it cheaper to book a PIA to PSC flight and hotel package?
Compared with arranging hotels and flights separately, booking a PIA to PSC flight and hotel package with Expedia could lead to significant savings. Better yet, having everything in one place will take the stress out of planning your trip. Just pick your flights and choose from our extensive range of stays, then tailor your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC)?
Generally, it's possible to reschedule or cancel your PIA to PSC flight. However, if it's been more than 24 hours since booking, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Greater Peoria Regional
Destination airport
Tri-Cities
Distance
1515 mi

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Peoria to Pasco Flights

The cheapest times to fly from Peoria to Pasco

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

 

The best time to book a flight from Peoria to Pasco

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

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 Pasco in 2025. You can also book with separate airlines for your outbound and return journeys, from $529 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 Pasco 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 Pasco 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 Pasco Flights

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*Available to One Key members.