$338 Cheap Flights from Peoria (PIA) to Pasco (PSC)

View $338 flight on Wed, May 6, 2026Opens 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 $338 for one-way flights and $713 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$713 Roundtrip, found 3 days ago
$713
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $713 found 3 days ago
American Airlines
Fri, Aug 7 - Tue, Aug 11
PIA
Peoria
PSC
Pasco
$719 Roundtrip, found 2 days ago
$719
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Aug 7 from Peoria to Pasco, returning Tue, Aug 11, priced at $719 found 2 days ago
American Airlines
Wed, Jun 17 - Thu, Jun 18
PIA
Peoria
PSC
Pasco
$751 Roundtrip, found 3 days ago
$751
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Jun 17 from Peoria to Pasco, returning Thu, Jun 18, priced at $751 found 3 days ago
United
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$786 Roundtrip, found 3 days ago
$786
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $786 found 3 days ago
United
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$811 Roundtrip, found 3 days ago
$811
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $811 found 3 days ago
United
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$846 Roundtrip, found 3 days ago
$846
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $846 found 3 days ago
United
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$866 Roundtrip, found 3 days ago
$866
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $866 found 3 days ago
United
Fri, Aug 7 - Tue, Aug 11
PIA
Peoria
PSC
Pasco
$868 Roundtrip, found 2 days ago
$868
Roundtrip
found 2 days ago
Select United flight, departing Fri, Aug 7 from Peoria to Pasco, returning Tue, Aug 11, priced at $868 found 2 days ago
United
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$871 Roundtrip, found 3 days ago
$871
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $871 found 3 days ago
United
Wed, May 13 - Mon, May 18
PIA
Peoria
PSC
Pasco
$871 Roundtrip, found 3 days ago
$871
Roundtrip
found 3 days ago
Select United flight, departing Wed, May 13 from Peoria to Pasco, returning Mon, May 18, priced at $871 found 3 days ago

Frequently asked questions

How much does a flight from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) cost?
You can find cheap one-way flights from $338 and cheap return flights from $713 Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) with Expedia. Return flights often range between $382 and $1515. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
The cheapest month to fly from PIA to PSC is May when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
Enter PIA to PSC and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
United is one of the cheapest airlines offering connecting flights from Greater Peoria Regional (PIA) to Tri-Cities (PSC), with round-trip tickets starting from around $382 with a layover in O'Hare Intl. (ORD). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
To find a cheap flight from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
The earliest flight from Greater Peoria Regional Airport (PIA) to Tri-Cities Airport (PSC) typically departs at 5:00 AM, operated by American Airlines and Alaska Airlines. This seasonal service is available in June, allowing you to start your day early in Pasco. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
You'll usually find the most flights from Greater Peoria Regional (PIA) to Tri-Cities (PSC) on a Tuesday, with around 7 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United and American Airlines.
What are the most popular departure times for flights from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
The most popular departure times for flights from Peoria (PIA) to Pasco (PSC) are in the early morning, from 6am to 9am. This accounts for around 68% of total traffic. Many major carriers, including American Airlines and United Airlines, offer flights during this window. Many travelers prefer this time because it allows for a full day of activities upon arrival.
How long does it take to fly from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
A flight from PIA to PSC with a layover takes around 6 hours 50 minutes, with the route covering approximately 1,516 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
First class seats are offered on the PIA to PSC route with American Airlines.
How do I earn miles on a Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) flight with Expedia?
It's easy to earn miles on a Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Pasco from Greater Peoria Regional (PIA)?
If you're planning to travel to Pasco from Greater Peoria Regional (PIA), you can fly into Tri-Cities (PSC) Some flights may connect through major hubs like O'Hare Intl. (ORD), Dallas-Fort Worth Intl. (DFW), Charlotte-Douglas Intl. (CLT) before reaching Pasco. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) at the last minute?
Typically, booking a last minute flight from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) flight and hotel package?
Securing a Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities)?
If you booked your Peoria, IL (PIA-Greater Peoria Regional) to Pasco, WA (PSC-Tri-Cities) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Greater Peoria Regional
Destination airport
Tri-Cities
Roundtrip price
$713
Distance
1515 mi

Book with confidence

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 May. 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 2026. You can also book with separate airlines for your outbound and return journeys, from $338 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

*Flight schedules are subject to change.

*Available to One Key members.