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$245+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SEA
May 5 — May 121
Mon 5/5
Mon 5/12
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 April 30, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$309
(Mytrip)

One-way from

$245
(American Airlines)

Popular in

January

Cheapest in

April

Average price

$430
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. 3% potential increase in price ($20 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 30, 2025.

This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:11 pmPIA - PDX
1 stop18h 06mMultiple Airlines
Tue 6/246:39 pmPDX - PIA
1 stop23h 16mMultiple Airlines
Deal found 4/28$309
This American Airlines deal was found by Cheapflights users on 4/27. 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 5/166:10 amPIA - PDX
1 stop6h 14mAmerican Airlines
Fri 5/2311:14 amPDX - PIA
1 stop8h 42mAmerican Airlines
Deal found 4/27$314
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Sun 8/318:45 amPIA - PSC
1 stop6h 07mUnited Airlines
Wed 9/312:45 pmPSC - PIA
1 stop6h 12mUnited Airlines
Deal found 4/29$330
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/185:25 pmPIA - PDX
1 stop7h 01mUnited Airlines
Wed 6/2511:59 pmPDX - PIA
1 stop8h 20mUnited Airlines
Deal found 4/28$334
This American Airlines deal was found by Cheapflights users on 4/27. 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 7/110:05 amPIA - SEA
1 stop11h 58mAmerican Airlines
Wed 7/96:18 amSEA - PIA
1 stop9h 36mAmerican Airlines
Deal found 4/27$337
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Thu 12/256:06 amPIA - GEG
1 stop8h 53mAmerican Airlines
Thu 1/11:40 pmGEG - PIA
1 stop5h 58mAmerican Airlines
Deal found 4/29$379
This Mytrip deal was found by Cheapflights users on 4/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/187:11 pmPIA - PDX
2 stops25h 48mAllegiant Air
Wed 6/259:19 amPDX - PIA
2 stops32h 34mAllegiant Air
Deal found 4/28$462
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/293:39 pmPIA - SEA
1 stop10h 20mUnited Airlines
Tue 8/194:55 pmSEA - PIA
1 stop21h 48mUnited Airlines
Deal found 4/28$487
This United Airlines deal was found by Cheapflights users on 4/29. 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.
Fri 6/135:25 pmPIA - GEG
1 stop6h 31mUnited Airlines
Fri 6/207:00 amGEG - PIA
1 stop12h 22mUnited Airlines
Deal found 4/29$508
This Mytrip deal was found by Cheapflights users on 4/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/122:16 pmPIA - SEA
3 stops26h 47mMultiple Airlines
Fri 6/2011:59 pmSEA - PIA
2 stops16h 05mMultiple Airlines
Deal found 4/27$681

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 April 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

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Wed 6/18

7:11 pm-11:17 am

1 stop18h 06m

Portland

Tue 6/24

6:39 pm-7:55 pm

1 stop23h 16m

$309

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Fri 5/16

6:10 am-10:24 am

1 stop6h 14m

Portland

Fri 5/23

11:14 am-9:56 pm

1 stop8h 42m

$314

PeoriaPasco

PIA - PSC

PIAPSC

Greater Peoria

Sun 8/31

8:45 am-12:52 pm

1 stop6h 07m

Pasco Tri Cities

Wed 9/3

12:45 pm-8:57 pm

1 stop6h 12m

$330

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Wed 6/18

5:25 pm-10:26 pm

1 stop7h 01m

Portland

Wed 6/25

11:59 pm-10:19 am

1 stop8h 20m

$334

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 7/1

10:05 am-8:03 pm

1 stop11h 58m

Seattle/Tacoma Intl

Wed 7/9

6:18 am-5:54 pm

1 stop9h 36m

$337

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Wed 6/18

7:11 pm-6:59 pm

2 stops25h 48m

Portland

Wed 6/25

9:19 am-7:53 pm

2 stops32h 34m

$462

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Tue 7/29

3:39 pm-11:59 pm

1 stop10h 20m

Seattle/Tacoma Intl

Tue 8/19

4:55 pm-4:43 pm

1 stop21h 48m

$487

PeoriaSpokane

PIA - GEG

PIAGEG

Greater Peoria

Fri 5/2

3:37 pm-9:38 pm

1 stop8h 01m

Spokane

Sun 5/4

5:34 am-3:03 pm

1 stop7h 29m

$498

PeoriaSpokane

PIA - GEG

PIAGEG

Greater Peoria

Fri 6/13

5:25 pm-9:56 pm

1 stop6h 31m

Spokane

Fri 6/20

7:00 am-9:22 pm

1 stop12h 22m

$508

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Thu 6/12

2:16 pm-3:03 pm

3 stops26h 47m

Seattle/Tacoma Intl

Fri 6/20

11:59 pm-6:04 pm

2 stops16h 05m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 16 results
1
2

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 July is currently the most expensive (average of $405). 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 April 30, 2025.
Peruse reviews from past customers who have flown with United Airlines, Allegiant Air and American Airlines from Peoria to Washington to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

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
8,696 reviews
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

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!
Allegiant Air
7.3
Good
734 reviews
United Airlines
7.4
Good
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

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
8,696 reviews

Crew

8.1

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Food

6.6

Overall

7.4

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.

  • 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 July is currently the most expensive (average of $405). 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

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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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$318Average$571FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$337Average$593FlexibilityNo cancel feeOn-time71%

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