CA $173 Cheap Flights from Seattle (SEA) to Peoria (PIA)

View CA $173 flight on Wed, Nov. 5, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Peoria, IL (PIA-Greater Peoria Regional)

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Cheap flights from Seattle (SEA) to Peoria (PIA)

Prices were available within the past 7 days and start at CA $173 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to Peoria (PIA)

March is typically the cheapest month to fly

From CA $314 - CA $1,007 per traveller.

Graph displaying average flight prices per month

Flight from Seattle to Peoria (SEA - PIA) route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Greater Peoria Regional
Distance
2674 km

Seattle to Peoria Flights

The easy way to book your flights from Seattle to Peoria 

With Expedia, it’s simple to find and book flights to Peoria from Seattle whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 5 airlines that cover this route. There are nonstop flights to Greater Peoria Regional, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seattle to Peoria today, tomorrow, or this week.  

 

Save dollars with cheap flights from Seattle - Tacoma Intl., SEA to Greater Peoria Regional, PIA 

Sort your search results by price to find great deals on your flight from Seattle to Peoria—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Peoria from Seattle currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Peoria  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Peoria from Seattle 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Peoria with Expedia today.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to PIA?
If you're planning on travelling between Sea-Tac Airport and Peoria Intl. Airport, round-trip flights start from . This figure is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to PIA?
This differs between airlines, as each has its own terms and conditions. Visit the Customer Service Portal, where you'll find instructions on how to cancel your flight online.
How do I find cheap flights from Sea-Tac Airport to Peoria Intl. Airport that have flexible change policies?
Flights from Sea-Tac Airport to Peoria Intl. Airport offering flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the fare difference, without any added fees to worry about.
How many hours is the flight from Sea-Tac Airport to Greater Peoria Regional Airport (PIA)?
It takes about 5 hours and 52 minutes to get from Seattle - Tacoma Intl. Airport (SEA) to Greater Peoria Regional Airport (PIA). But with some music and a good novel, the hours will pass by quicker.
How far is the flight from Sea-Tac Airport to Greater Peoria Regional Airport (PIA)?
The flying distance from Sea-Tac Airport to Greater Peoria Regional Airport (PIA) is 2,700 kilometres. Listen to your favourite tunes or make a start on the latest bestseller and the trip will fly by.
Which airlines fly direct from SEA to Greater Peoria Regional Airport (PIA)?
Unfortunately, there aren't any airlines that fly direct between Sea-Tac Airport and Greater Peoria Regional Airport (PIA). You'll need to book a flight with at least one stop.
Are Sea-Tac Airport to Greater Peoria Regional Airport (PIA) flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes find a bargain, with some super cheap fares from Seattle - Tacoma Intl. Airport (SEA) to Greater Peoria Regional Airport (PIA) appearing a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals regularly — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines release prices that far in advance.

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