HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$171+ Cheap flights from Peoria, IL (PIA) to Washington

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Peoria to Washington

Keep the following information in mind while searching for Peoria to Washington flight deals. Data was last updated September 15, 2025.

Round-trip from

$251
(American Airlines)

One-way from

$171
(United Airlines)

Popular in

January

Cheapest in

October

Average price

$411
From Greater Peoria to Washington
Search Deals
One-way flight from Greater Peoria to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Peoria to Washington

Cheapest flights from Peoria to Washington
Explore the most affordable flight options available from Peoria to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:01 amPIA - SEA
1 stop9h 45mAmerican Airlines
Sat 10/255:22 amSEA - PIA
1 stop8h 18mAmerican Airlines
Deal found 9/15$251
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/106:00 amPIA - SEA
1 stop7h 31mUnited Airlines
Tue 10/1411:40 pmSEA - PIA
1 stop8h 33mUnited Airlines
Deal found 9/14$284
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/81:20 pmPIA - PDX
1 stop7h 54mAmerican Airlines
Sat 11/152:07 pmPDX - PIA
1 stop6h 59mAmerican Airlines
Deal found 9/13$289
This Kiwi.com deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/134:35 pmPIA - SEA
1 stop21h 32mMultiple Airlines
Wed 10/228:43 pmSEA - PIA
2 stops41h 02mMultiple Airlines
Deal found 9/13$306
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/216:01 amPIA - PDX
1 stop8h 32mAmerican Airlines
Sun 10/2611:58 pmPDX - PIA
1 stop7h 29mAmerican Airlines
Deal found 9/14$314
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:45 amPIA - SEA
1 stop10h 30mAmerican Airlines
Mon 11/2412:59 amSEA - PIA
1 stop6h 19mAmerican Airlines
Deal found 9/13$314
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/293:18 pmPIA - SEA
1 stop11h 12mMultiple Airlines
Fri 10/36:12 amSEA - PIA
1 stop13h 20mMultiple Airlines
Deal found 9/14$324
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/133:56 pmPIA - SEA
1 stop8h 34mUnited Airlines
Wed 10/2211:40 pmSEA - PIA
1 stop8h 33mUnited Airlines
Deal found 9/13$332
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/293:18 pmPIA - PDX
1 stop10h 54mMultiple Airlines
Fri 10/36:05 amPDX - PIA
1 stop13h 27mMultiple Airlines
Deal found 9/14$335
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/113:56 pmPIA - SEA
1 stop8h 34mUnited Airlines
Sat 10/187:00 amSEA - PIA
1 stop6h 19mUnited Airlines
Deal found 9/13$341
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:10 pmPIA - SEA
1 stop15h 39mAmerican Airlines
Mon 10/1312:34 amSEA - PIA
1 stop6h 53mAmerican Airlines
Deal found 9/13$348
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/77:00 amPIA - PDX
1 stop8h 01mAmerican Airlines
Sat 10/1111:58 pmPDX - PIA
1 stop7h 29mAmerican Airlines
Deal found 9/13$354

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Washington that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Peoria to Washington that are best for you.

Fly from

Peoria

Fly to

Washington

Route

Depart

Return

Price

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 10/21

6:01 am-1:46 pm

1 stop9h 45m

Seattle/Tacoma Intl

Sat 10/25

5:22 am-3:40 pm

1 stop8h 18m

$251

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Sat 11/8

1:20 pm-7:14 pm

1 stop7h 54m

Portland

Sat 11/15

2:07 pm-11:06 pm

1 stop6h 59m

$289

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 10/13

4:35 pm-12:07 pm

1 stop21h 32m

Seattle/Tacoma Intl

Wed 10/22

8:43 pm-3:45 pm

2 stops41h 02m

$306

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Tue 10/21

4:51 pm-9:49 pm

1 stop6h 58m

Portland

Sun 10/26

11:59 pm-10:46 am

1 stop8h 47m

$314

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 11/20

6:40 am-2:59 pm

1 stop10h 19m

Seattle/Tacoma Intl

Tue 11/25

2:46 pm-11:49 pm

1 stop7h 03m

$314

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 10/13

3:56 pm-10:30 pm

1 stop8h 34m

Seattle/Tacoma Intl

Wed 10/22

11:40 pm-10:13 am

1 stop8h 33m

$332

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 10/11

3:56 pm-10:30 pm

1 stop8h 34m

Seattle/Tacoma Intl

Sat 10/18

7:00 am-3:19 pm

1 stop6h 19m

$341

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 2/28

5:05 pm-11:07 pm

1 stop8h 02m

Seattle/Tacoma Intl

Tue 3/3

5:43 am-2:15 pm

1 stop6h 32m

$341

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 9/29

9:14 pm-10:59 pm

2 stops27h 45m

Seattle/Tacoma Intl

Fri 10/3

6:12 am-9:32 pm

1 stop13h 20m

$342

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Tue 10/7

4:51 pm-9:49 pm

1 stop6h 58m

Portland

Sat 10/11

5:34 am-3:40 pm

1 stop8h 06m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
1
2
3

Best time to book a flight from Peoria to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Peoria with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Peoria to Washington

What is the cheapest month to book a flight from Peoria, Illinois to State of Washington?

Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $238). Flying from Peoria, Illinois to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Peoria, Illinois to State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated September 15, 2025.
Get a feel of what it's like to fly with United Airlines and American Airlines from Peoria to Washington by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,929 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,929 reviews

Crew

8.1

Overall

7.4

Food

6.6

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Peoria to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Peoria to Washington?

    Located just 6.0 mi from the city center, Greater Peoria (PIA) is the airport most travelers will use when flying to Washington from Peoria.

  • How long is the flight from Peoria, Illinois to State of Washington?

    There are many flights that can get you from Peoria, Illinois to State of Washington in 8h 34m. Fly via American Airlines or United Airlines to get the fastest option. Peoria, Illinois and State of Washington are separated by a distance of 1671 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the most popular routes from Peoria, Illinois to State of Washington?

    While some choose either Greater Peoria - Portland or Greater Peoria - Spokane, Greater Peoria - Seattle/Tacoma Intl is the most popular route from Peoria, Illinois to State of Washington.

  • Can I find deals for flights from Peoria to Washington that include hotel bookings?

    Yes. In addition to deals on Peoria to Washington flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Peoria to Washington?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Washington.

  • Can I find deals for business class flights from Peoria to Washington?

    Yes. Cheapflights offers flight deals from Peoria to Washington by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Peoria, Illinois to State of Washington?

    Currently, January is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $238). Flying from Peoria, Illinois to State of Washington in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Peoria to Washington

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to LaGuardia flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Newark flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Denver flights
O'Hare Intl to Los Angeles flights
Midway to Las Vegas flights
O'Hare Intl to Orlando flights
O'Hare Intl to Atlanta flights
O'Hare Intl to Boston flights
O'Hare Intl to Fort Lauderdale flights
Midway to Dallas/Fort Worth flights
Midway to LaGuardia flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Seattle flights
O'Hare Intl to Miami flights
St. Louis to Las Vegas flights
O'Hare Intl to San Diego flights
Midway to Atlanta flights
O'Hare Intl to Ontario flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Austin flights
O'Hare Intl to Tampa flights
Midway to Sky Harbor Intl flights
Midway to Newark flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Honolulu flights
O'Hare Intl to New Orleans flights
Midway to Orlando flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Fort Myers flights
O'Hare Intl to Nashville flights
O'Hare Intl to Dulles Intl flights
Midway to Boston flights
Midway to Denver flights
O'Hare Intl to Salt Lake City flights
O'Hare Intl to George Bush Intcntl flights
St. Louis to John F Kennedy Intl flights
Midway to Hobby flights
O'Hare Intl to Charlotte flights
Midway to San Francisco flights
Midway to Miami flights
O'Hare Intl to Hobby flights
O'Hare Intl to Raleigh flights
O'Hare Intl to Minneapolis flights
O'Hare Intl to Palm Springs flights

Top 2 airlines flying from Peoria to Washington

Discover the top 2 airlines that operate flights from Peoria to Washington. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$288Average$469FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$289Average$497FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.