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$297 Cheap Flights from Seattle (SEA) to Peoria (PIA)

View $297 flight on Tue, Dec 8, 2026Opens 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 to Peoria (SEA-PIA)

Prices were available within the past 7 days and start at $297 for one-way flights and $281 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Sep 16 - Tue, Sep 22
SEA
Seattle
PIA
Peoria
$281 Roundtrip, found 1 hour ago
$281
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Sep 16 from Seattle to Peoria, returning Tue, Sep 22, priced at $281 found 1 hour ago
United
Wed, Sep 16 - Tue, Sep 22
SEA
Seattle
PIA
Peoria
$281 Roundtrip, found 1 hour ago
$281
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Sep 16 from Seattle to Peoria, returning Tue, Sep 22, priced at $281 found 1 hour ago
United
Wed, Sep 23 - Tue, Sep 29
SEA
Seattle
PIA
Peoria
$296 Roundtrip, found 1 day ago
$296
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 23 from Seattle to Peoria, returning Tue, Sep 29, priced at $296 found 1 day ago
United
Wed, Sep 23 - Tue, Sep 29
SEA
Seattle
PIA
Peoria
$316 Roundtrip, found 1 day ago
$316
Roundtrip
found 1 day ago
Select United flight, departing Wed, Sep 23 from Seattle to Peoria, returning Tue, Sep 29, priced at $316 found 1 day ago
American Airlines
Wed, Sep 16 - Mon, Sep 21
SEA
Seattle
PIA
Peoria
$320 Roundtrip, just found
$320
Roundtrip
just found
Select American Airlines flight, departing Wed, Sep 16 from Seattle to Peoria, returning Mon, Sep 21, priced at $320 just found
United
Fri, Oct 23 - Sat, Oct 24
SEA
Seattle
PIA
Peoria
$321 Roundtrip, found 1 day ago
$321
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 23 from Seattle to Peoria, returning Sat, Oct 24, priced at $321 found 1 day ago
United
Wed, Sep 9 - Sat, Sep 26
SEA
Seattle
PIA
Peoria
$325 Roundtrip, found 6 hours ago
$325
Roundtrip
found 6 hours ago
Select United flight, departing Wed, Sep 9 from Seattle to Peoria, returning Sat, Sep 26, priced at $325 found 6 hours ago
United
Fri, Oct 23 - Sat, Oct 24
SEA
Seattle
PIA
Peoria
$329 Roundtrip, found 1 day ago
$329
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 23 from Seattle to Peoria, returning Sat, Oct 24, priced at $329 found 1 day ago
United
Fri, Oct 23 - Sat, Oct 24
SEA
Seattle
PIA
Peoria
$335 Roundtrip, found 1 day ago
$335
Roundtrip
found 1 day ago
Select United flight, departing Fri, Oct 23 from Seattle to Peoria, returning Sat, Oct 24, priced at $335 found 1 day ago
United
Wed, Sep 30 - Sun, Oct 4
SEA
Seattle
PIA
Peoria
$339 Roundtrip, found 4 days ago
$339
Roundtrip
found 4 days ago
Select United flight, departing Wed, Sep 30 from Seattle to Peoria, returning Sun, Oct 4, priced at $339 found 4 days ago

What you need to know for your flight from Seattle - Tacoma Intl. to Greater Peoria Regional

Seattle (SEA) to Peoria (PIA) at a glance

Explore a range of airfares to Peoria (PIA) with various airlines operating flights from Seattle (SEA) to Greater Peoria Regional Airport. Whether you're seeking a full-service carrier or a budget-friendly option, you can easily compare itineraries that align with your travel plans and budget. Discover Peoria's iconic attractions and vibrant neighborhoods as you plan your next flight from Seattle-Tacoma International Airport to PIA.

  • Fastest flight duration: around 5h 15m in-flight, plus roughly 1h 45m layover with one stop
  • Route distance: roughly 1,700 miles (2,740 km)
  • Flights per week: around 8 departures on average
  • Typical fares (one-way): economy tickets often range from $125–$540, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Greater Peoria Regional Airport (PIA)

Based on recent booking trends, here are the top airlines favored by travelers flying from Seattle to Peoria, primarily for their one-stop options. Common layover points include O'Hare International Airport, ORD (approximately 2 hours and 15 minutes), Dallas-Fort Worth International Airport, DFW (about 1 hour and 30 minutes), and Denver International Airport, DEN (roughly 1 hour and 15 minutes). These choices provide the flexibility to tailor your journey by balancing cost, total travel time, and cabin class to secure the ideal itinerary.

  • United: This full-service airline provides one-stop service, with one-way fares usually falling between $140 and $580. It operates approximately 51% of the flights on this route, featuring an in-flight duration of 5 hours and 15 minutes, and a total travel time of around 7 hours and 45 minutes, including layover time.
  • American Airlines: Also a full-service carrier, American Airlines offers one-stop flights with one-way prices typically ranging from $125 to $680. It accounts for about 49% of departures on this route, with a flight time of 5 hours and 15 minutes, resulting in an overall journey duration of roughly 7 hours and 45 minutes, including any layovers.

Travelers can enhance their journey from Seattle to Peoria by upgrading to first class with American Airlines, ensuring a more comfortable and enjoyable flight experience.

Best time to fly from Seattle (SEA) to Peoria (PIA)

The most popular months for travelers flying from Seattle to Peoria are January, July, and September, when peak temperatures in Peoria reach up to 74.7°F in July. If you prefer quieter travel, consider November, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 41.9°F. For better deals, February usually offers the lowest average one-way fare around $230. Flight availability peaks in August, with approximately 11 flights per week, making it easier to find convenient departure times. June and October have the fewest flights, with approximately 7 flights per week.

  • Cheapest time to fly: February usually offers good deals with average one-way fare around $230, roughly 25% cheaper than the yearly average.
  • Another budget-friendly time to fly: April typically offers an average one-way fare of around $237.
  • Most flight options: August has the highest number of flights from Seattle to Peoria, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January25.2°F (-3.8°C)Moderately High8$265
February28.2°F (-2.1°C)Average9$230
March41.4°F (5.2°C)Moderately Low8$353
April51.6°F (10.9°C)Average8$237
May63.0°F (17.2°C)Average9$358
June72.0°F (22.2°C)Average7$433
July74.7°F (23.7°C)Moderately High9$321
August73.2°F (22.9°C)Average11$305
September67.3°F (19.6°C)Moderately High9$274
October54.9°F (12.7°C)Moderately Low7$301
November41.9°F (5.5°C)Moderately Low8$280
December32.5°F (0.3°C)Average8$324

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Seattle (SEA) to Peoria (PIA)

  • Seattle to Bloomington (SEA-BMI): Central Illinois Regional Airport (BMI) is located approximately 43 miles from Greater Peoria Regional Airport (PIA). One-way fares in economy class for this route generally fall between $150 and $410, influenced by the time of year and how early you make your reservation. Flights on this route usually involve one stop, with common layover points at O'Hare International Airport (ORD) and Dallas-Fort Worth International Airport (DFW). Major airlines serving this route include American Airlines and Delta, with first-class service also available.

How to find the best prices for flights from Seattle (SEA) to Peoria (PIA)

Getting some of the best deals on flights from Seattle to Peoria is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Afternoon departures from 12 PM to 6 PM often have lower prices, while morning flights from 5 AM to 12 PM are the most popular. Additionally, flying on Tuesday generally offers cheaper prices, but Wednesday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Peoria hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Greater Peoria Regional Airport from Seattle - Tacoma International Airport

Peoria welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Peoria efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Peoria, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Greater Peoria Regional Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Greater Peoria Regional Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Greater Peoria Regional Airport, Peoria Bus Station, a bus station, is located about 6.3 miles away by car, providing convenient access for travelers seeking bus services.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) cost?
You can find cheap one-way flights from $297 and cheap return flights from $281 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) with Expedia. One-way flights generally range between $147 and $841, and roundtrip flights usually range from $362 to $1337. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The cheapest month to fly from SEA to PIA is September 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
Enter SEA to PIA and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
United is one of the cheapest airlines offering connecting flights from Seattle (SEA) to Peoria (PIA), with round-trip tickets starting from around $821 with a layover in Denver (DEN). 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional), 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The earliest flight from Seattle-Tacoma International Airport (SEA) to Greater Peoria Regional Airport (PIA) typically departs at around 12:05 AM, operated by American Airlines. This is a seasonal service active in March, allowing you to maximize your time in Peoria. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
The most popular departure times for flights from Seattle (SEA) to Peoria (PIA) are in the morning, from 6am to 9am. About 26% of passengers prefer this time window. Many major carriers, including United Airlines and American Airlines, offer flights during this window. This timing works well because it helps you arrive in Peoria early in the day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
A flight from SEA to PIA with a layover takes around 7 hours 50 minutes, with the route covering approximately 1,672 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
First class seats are offered on the SEA to PIA route. First class cabins are available on:

  • American Airlines
  • United Airlines
  • Delta Air Lines

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 Peoria from Seattle - Tacoma Intl. (SEA)?
If you're planning to travel to Peoria from Seattle - Tacoma Intl. (SEA), you can fly into Greater Peoria Regional (PIA) Some flights may connect through major hubs like Denver Intl. (DEN), San Francisco Intl. (SFO), Minneapolis - St. Paul Intl. (MSP) before reaching Peoria. 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Peoria, IL (PIA-Greater Peoria Regional) 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
Seattle - Tacoma Intl.
Destination airport
Greater Peoria Regional
Airlines serving
American Airlines, United
Roundtrip price
$280
Distance
1671 mi

Book with confidence

Seattle to Peoria Flights

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

 

The best time to book a flight from Seattle to Peoria

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Peoria in 2026. You can also book with separate airlines for your outbound and return journeys, from $297 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 Seattle 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 Seattle 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.

 

Seattle to Peoria Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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