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Peoria

$267+ Cheap flights from Washington to Peoria, IL (PIA)

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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — PIA
Jan 16 — Jan 231
Fri 1/16
Fri 1/23
1 adult, Economy
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Cheap flight deals from Washington to Peoria

Cheapest flights from Washington to Peoria
Explore the most affordable flight options available from Washington to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 17, 2025.

This United Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/315:05 amGEG - PIA
2 stops9h 38mUnited Airlines
Sun 1/43:30 pmPIA - GEG
1 stop9h 00mUnited Airlines
Deal found 12/16$379
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/277:00 amSEA - PIA
1 stop7h 43mUnited Airlines
Thu 1/2210:45 amPIA - SEA
1 stop7h 16mUnited Airlines
Deal found 12/16$379
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Thu 12/251:25 pmSEA - PIA
1 stop29h 26mMultiple Airlines
Fri 1/239:29 pmPIA - SEA
1 stop16h 10mMultiple Airlines
Deal found 12/16$450
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/267:00 amSEA - PIA
1 stop7h 43mUnited Airlines
Mon 1/195:18 pmPIA - SEA
1 stop7h 25mUnited Airlines
Deal found 12/16$469
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/259:06 amSEA - PIA
2 stops9h 41mUnited Airlines
Sun 1/255:18 pmPIA - SEA
1 stop7h 25mUnited Airlines
Deal found 12/16$474
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Tue 12/306:33 pmSEA - PIA
1 stop15h 45mMultiple Airlines
Fri 1/239:29 pmPIA - SEA
1 stop16h 10mMultiple Airlines
Deal found 12/16$476
This Kiwi.com deal was found by Cheapflights users on 12/16. 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.
Sun 12/286:05 pmSEA - PIA
1 stop20h 08mMultiple Airlines
Fri 1/239:29 pmPIA - SEA
1 stop16h 10mMultiple Airlines
Deal found 12/16$478
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Thu 12/259:06 amSEA - PIA
2 stops10h 33mUnited Airlines
Fri 1/231:24 pmPIA - SEA
2 stops11h 52mUnited Airlines
Deal found 12/16$479
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/267:00 amSEA - PIA
1 stop7h 43mUnited Airlines
Sun 1/251:24 pmPIA - SEA
2 stops13h 35mUnited Airlines
Deal found 12/16$499
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1811:02 amPDX - PIA
1 stop8h 37mUnited Airlines
Thu 1/86:30 amPIA - PDX
1 stop7h 27mUnited Airlines
Deal found 12/15$504
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Wed 12/3111:20 amSEA - PIA
1 stop19h 23mAmerican Airlines
Sun 1/48:08 pmPIA - SEA
1 stop15h 54mAmerican Airlines
Deal found 12/16$504
This American Airlines deal was found by Cheapflights users on 12/15. 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 12/303:02 pmPDX - PIA
1 stop6h 29mAmerican Airlines
Sat 1/34:20 pmPIA - PDX
1 stop10h 34mAmerican Airlines
Deal found 12/15$508

Find flight deals from Washington to Peoria

Keep the following information in mind while searching for Washington to Peoria flight deals. Data was last updated December 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$317
(Kiwi.com)

One-way from

$267
(Kiwi.com)

Popular in

March

Cheapest in

December

Average price

$288
Provider with most accurate pricing for Seattle/Tacoma Intl-Greater Peoria flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Greater Peoria flights.
Search Deals
From Washington to Greater Peoria
Search Deals
One-way flight from Washington to Greater Peoria
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Peoria 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 December 17, 2025.
Use the filters below to find and compare flights from Washington to Peoria that are best for you.

Fly from

Washington

Fly to

Peoria

Route

Depart

Return

Price

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 1/1

8:00 am-9:39 pm

2 stops11h 39m

Greater Peoria

Mon 1/5

5:19 pm-10:47 pm

1 stop7h 28m

$329

SpokanePeoria

GEG - PIA

GEGPIA

Spokane

Wed 12/31

5:05 am-4:43 pm

2 stops9h 38m

Greater Peoria

Sun 1/4

3:30 pm-10:30 pm

1 stop9h 00m

$379

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 12/27

7:00 am-4:43 pm

1 stop7h 43m

Greater Peoria

Thu 1/22

10:45 am-4:01 pm

1 stop7h 16m

$379

PortlandPeoria

PDX - PIA

PDXPIA

Portland

Fri 2/27

11:59 pm-10:11 am

1 stop8h 12m

Greater Peoria

Tue 3/3

6:35 am-11:55 am

1 stop7h 20m

$399

PortlandPeoria

PDX - PIA

PDXPIA

Portland

Thu 1/8

11:59 pm-10:10 am

1 stop8h 11m

Greater Peoria

Sat 1/10

6:30 am-12:00 pm

1 stop7h 30m

$399

PortlandPeoria

PDX - PIA

PDXPIA

Portland

Sat 2/28

11:59 pm-10:11 am

1 stop8h 12m

Greater Peoria

Tue 3/3

9:00 am-1:44 pm

1 stop6h 44m

$399

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Thu 1/22

12:25 pm-8:47 pm

1 stop6h 22m

Greater Peoria

Mon 1/26

3:00 pm-10:43 pm

1 stop9h 43m

$399

SpokanePeoria

GEG - PIA

GEGPIA

Spokane

Sat 1/10

6:53 am-9:39 pm

2 stops12h 46m

Greater Peoria

Mon 1/12

8:35 am-12:46 pm

1 stop6h 11m

$434

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 12/27

7:00 am-4:43 pm

1 stop7h 43m

Greater Peoria

Wed 1/21

10:45 am-4:01 pm

1 stop7h 16m

$469

SeattlePeoria

SEA - PIA

SEAPIA

Seattle/Tacoma Intl

Sat 12/27

7:00 am-4:43 pm

1 stop7h 43m

Greater Peoria

Sat 1/24

6:30 am-11:32 am

1 stop7h 02m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 results
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Best time to book a flight from Washington to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Washington 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 Washington to Peoria

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

Currently, April is the cheapest month in which you can book a flight from State of Washington to Peoria, Illinois (average of $228). Flying from State of Washington to Peoria, Illinois in July is currently the most expensive (average of $356). 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.

Related info for your journey

Find useful and relevant information for your journey from Washington to Peoria. 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 into for flights to Peoria from Washington?

    For a flight from Washington to Peoria, you will be flying into Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city.

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

    There are many flights that can get you from State of Washington to Peoria, Illinois in 11h 39m. Fly via United Airlines to get the fastest option. There are 1671 mi between State of Washington and Peoria, Illinois.

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

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington to Peoria 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 State of Washington to Peoria, Illinois?

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Peoria, Illinois (average of $228). Flying from State of Washington to Peoria, Illinois in July is currently the most expensive (average of $356). 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

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Alternative routes for Washington to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington to Peoria

Discover the top 2 airlines that operate flights from Washington to Peoria. 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 December 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$228Average$370FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$288Average$445FlexibilityNo cancel feeOn-time69%

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