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$145+ 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 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$269
(American Airlines)

One-way from

$145
(Kiwi.com)

Popular in

August

Cheapest in

October

Average price

$289
Provider with most accurate pricing for Greater Peoria-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Seattle/Tacoma Intl flights.
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From Greater Peoria to Washington
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One-way flight from Greater Peoria to Washington
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Highest demand for flights based on searches. 5% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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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 October 30, 2025.

This United Airlines deal was found by Cheapflights users on 10/29. 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 11/135:23 pmPIA - SEA
1 stop7h 05mUnited Airlines
Mon 11/1711:30 pmSEA - PIA
1 stop8h 46mUnited Airlines
Deal found 10/29$359
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 11/213:33 pmPIA - GEG
1 stop21h 38mMultiple Airlines
Tue 11/2511:45 amGEG - PIA
1 stop22h 52mMultiple Airlines
Deal found 10/28$368
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Mon 12/226:22 amPIA - SEA
1 stop10h 32mAmerican Airlines
Sun 12/2812:14 amSEA - PIA
1 stop6h 29mAmerican Airlines
Deal found 10/29$369
This United Airlines deal was found by Cheapflights users on 10/29. 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 12/113:30 pmPIA - SEA
1 stop8h 58mUnited Airlines
Sun 12/1410:40 amSEA - PIA
1 stop8h 51mUnited Airlines
Deal found 10/29$379
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/236:30 amPIA - SEA
1 stop7h 33mUnited Airlines
Sun 12/2811:15 pmSEA - PIA
2 stops11h 05mUnited Airlines
Deal found 10/29$399
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/114:26 pmPIA - SEA
1 stop9h 16mAmerican Airlines
Mon 11/2412:59 amSEA - PIA
1 stop6h 19mAmerican Airlines
Deal found 10/30$404
This American Airlines deal was found by Cheapflights users on 10/30. 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 stop10h 03mAmerican Airlines
Sat 11/152:07 pmPDX - PIA
1 stop6h 59mAmerican Airlines
Deal found 10/30$425
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/64:23 pmPIA - PDX
1 stop8h 36mAmerican Airlines
Mon 11/1011:59 pmPDX - PIA
1 stop8h 14mAmerican Airlines
Deal found 10/30$449
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/114:26 pmPIA - SEA
1 stop9h 16mAmerican Airlines
Sun 11/2312:59 amSEA - PIA
1 stop7h 16mAmerican Airlines
Deal found 10/29$449
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/143:30 pmPIA - PDX
1 stop9h 06mUnited Airlines
Tue 11/188:20 amPDX - PIA
2 stops11h 11mUnited Airlines
Deal found 10/30$454
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Tue 11/115:23 pmPIA - SEA
1 stop7h 05mUnited Airlines
Mon 11/247:00 amSEA - PIA
1 stop7h 40mUnited Airlines
Deal found 10/30$459
This American Airlines deal was found by Cheapflights users on 10/29. 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 12/196:00 amPIA - PDX
1 stop10h 12mAmerican Airlines
Sun 12/283:02 pmPDX - PIA
1 stop15h 41mAmerican Airlines
Deal found 10/29$461

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 October 30, 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

PeoriaSpokane

PIA - GEG

PIAGEG

Greater Peoria

Fri 1/23

11:15 am-6:49 pm

1 stop9h 34m

Spokane

Sun 1/25

6:00 am-3:24 pm

1 stop7h 24m

$269

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 2/11

6:30 am-11:32 am

1 stop7h 02m

Seattle/Tacoma Intl

Sun 2/15

7:00 am-4:50 pm

1 stop7h 50m

$289

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 1/5

1:20 pm-11:12 pm

2 stops11h 52m

Seattle/Tacoma Intl

Mon 1/12

7:00 am-4:43 pm

1 stop7h 43m

$294

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 1/5

1:20 pm-11:12 pm

2 stops11h 52m

Seattle/Tacoma Intl

Wed 1/14

10:58 am-9:39 pm

1 stop8h 41m

$294

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 2/28

5:25 pm-10:43 pm

1 stop7h 18m

Seattle/Tacoma Intl

Tue 3/3

10:55 am-9:31 pm

1 stop8h 36m

$341

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 2/17

5:25 pm-10:43 pm

1 stop7h 18m

Seattle/Tacoma Intl

Sat 2/21

7:00 am-4:50 pm

1 stop7h 50m

$341

PeoriaSpokane

PIA - GEG

PIAGEG

Greater Peoria

Sat 1/17

8:35 am-12:46 pm

1 stop6h 11m

Spokane

Tue 1/20

11:25 am-9:39 pm

1 stop8h 14m

$349

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 11/13

5:23 pm-10:28 pm

1 stop7h 05m

Seattle/Tacoma Intl

Mon 11/17

11:30 pm-10:16 am

1 stop8h 46m

$359

PeoriaSpokane

PIA - GEG

PIAGEG

Greater Peoria

Fri 11/21

3:33 pm-11:11 am

1 stop21h 38m

Spokane

Tue 11/25

11:45 am-12:37 pm

1 stop22h 52m

$368

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Sat 3/7

1:24 pm-10:38 pm

2 stops11h 14m

Portland

Tue 3/10

7:11 am-4:39 pm

1 stop7h 28m

$384

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 26 results
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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, February is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $224). Flying from Peoria, Illinois to State of Washington in June is currently the most expensive (average of $395). 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.

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 October 30, 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
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
8,998 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,035 reviews
United Airlines
7.4
Good
8,998 reviews

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Boarding

7.7

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

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 7h 02m. 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, February is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $224). Flying from Peoria, Illinois to State of Washington in June is currently the most expensive (average of $395). 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 Peoria to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$269Average$488FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$468FlexibilityNo cancel feeOn-time71%

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