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$271+ Cheap flights from Peoria, IL (PIA) to Washington

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SEA
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap 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 July 27, 2026.

This American Airlines deal was found by Cheapflights users on 7/22. 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 9/56:47 pm
PIA
-
SEA
1 stop7h 26m
American Airlines
Tue 9/153:41 pm
SEA
-
PIA
1 stop6h 27m
American Airlines
Deal found 7/22$271
This United Airlines deal was found by Cheapflights users on 7/25. 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 9/58:45 am
PIA
-
SEA
2 stops11h 44m
United Airlines
Tue 9/151:57 pm
SEA
-
PIA
1 stop7h 16m
United Airlines
Deal found 7/25$286
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Sat 9/125:28 pm
PIA
-
SEA
1 stop8h 43m
American Airlines
Mon 9/216:15 am
SEA
-
PIA
1 stop8h 43m
American Airlines
Deal found 7/27$320
This American Airlines deal was found by Cheapflights users on 7/23. 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 9/112:20 pm
PIA
-
PDX
1 stop8h 39m
American Airlines
Fri 9/117:00 am
PDX
-
PIA
1 stop6h 57m
American Airlines
Deal found 7/23$350
This American Airlines deal was found by Cheapflights users on 7/25. 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 8/204:43 pm
PIA
-
SEA
1 stop10h 07m
American Airlines
Tue 8/253:35 pm
SEA
-
PIA
1 stop6h 24m
American Airlines
Deal found 7/25$355
This American Airlines deal was found by Cheapflights users on 7/22. 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 9/24:43 pm
PIA
-
SEA
1 stop7h 43m
American Airlines
Wed 9/92:12 pm
SEA
-
PIA
1 stop7h 03m
American Airlines
Deal found 7/22$357
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/206:48 pm
PIA
-
PDX
1 stop7h 11m
American Airlines
Thu 8/271:38 pm
PDX
-
PIA
1 stop7h 41m
American Airlines
Deal found 7/22$359
This American Airlines deal was found by Cheapflights users on 7/22. 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 8/126:48 pm
PIA
-
SEA
1 stop7h 11m
American Airlines
Fri 8/213:35 pm
SEA
-
PIA
1 stop6h 24m
American Airlines
Deal found 7/22$359
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2810:41 am
PIA
-
PDX
2 stops9h 09m
United Airlines
Mon 8/3111:02 pm
PDX
-
PIA
1 stop9h 04m
United Airlines
Deal found 7/24$364
This United Airlines deal was found by Cheapflights users on 7/26. 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 10/98:30 am
PIA
-
SEA
1 stop9h 35m
United Airlines
Mon 10/1211:13 pm
SEA
-
PIA
1 stop8h 53m
United Airlines
Deal found 7/26$377
This American Airlines deal was found by Cheapflights users on 7/25. 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 9/912:31 pm
PIA
-
GEG
1 stop9h 54m
American Airlines
Wed 9/1612:39 pm
GEG
-
PIA
1 stop8h 36m
American Airlines
Deal found 7/25$380
This United Airlines deal was found by Cheapflights users on 7/23. 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 9/256:15 am
PIA
-
PDX
1 stop7h 18m
United Airlines
Tue 9/2910:43 am
PDX
-
PIA
2 stops10h 15m
United Airlines
Deal found 7/23$383

Find flight deals from Peoria to Washington

Keep the following information in mind while searching for Peoria to Washington flight deals. Data was last updated July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(American Airlines)

Popular in

January

Cheapest in

February

Average price

$598
Provider with most accurate pricing for Greater Peoria-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Seattle/Tacoma Intl flights.
Search Deals
From Greater Peoria to Washington
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 27, 2026.
Use the filters below to find and compare flights from Peoria to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Fri 8/28

5:45 am-11:28 am

1 stop7h 43m

Portland

Mon 8/31

11:02 pm-10:06 am

1 stop9h 04m

$359

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Fri 9/25

6:15 am-11:33 am

1 stop7h 18m

Portland

Tue 9/29

10:43 am-10:58 pm

2 stops10h 15m

$383

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Sat 9/5

5:45 am-11:28 am

1 stop7h 43m

Portland

Tue 9/8

11:02 pm-9:57 am

1 stop8h 55m

$385

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 9/2

5:45 am-4:14 pm

2 stops12h 29m

Seattle/Tacoma Intl

Wed 9/9

1:57 pm-11:13 pm

1 stop7h 16m

$386

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 8/29

3:35 pm-10:43 pm

1 stop9h 08m

Seattle/Tacoma Intl

Tue 9/1

4:45 pm-10:06 am

2 stops15h 21m

$386

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Wed 9/23

4:43 pm-11:23 pm

1 stop8h 40m

Portland

Fri 10/2

2:07 pm-11:15 pm

1 stop7h 08m

$402

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 8/12

3:35 pm-10:43 pm

1 stop9h 08m

Seattle/Tacoma Intl

Fri 8/21

11:03 am-10:43 pm

2 stops9h 40m

$420

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 10/31

10:43 am-9:19 pm

2 stops12h 36m

Seattle/Tacoma Intl

Mon 11/2

6:30 pm-10:08 am

2 stops13h 38m

$430

PeoriaSpokane

PIA - GEG

PIAGEG

Greater Peoria

Sat 10/10

6:00 am-1:21 pm

1 stop9h 21m

Spokane

Mon 10/12

2:15 pm-12:10 am

1 stop7h 55m

$439

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Sat 9/5

6:47 pm-11:58 pm

1 stop7h 11m

Portland

Tue 9/8

6:27 am-3:53 pm

1 stop7h 26m

$441

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/22

Showing 1-10 of 26 resultsSorted by cheapest first
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, February is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $251). Flying from Peoria, Illinois to State of Washington in January is currently the most expensive (average of $704). 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?

Airfare is below average for this route at the moment.
Peoria, Illinois to State of Washington flights typically cost between $348 and $743 in September.
The cheapest round-trip price found within the last 5 days was $271 on American Airlines (Sep 5-Sep 15).

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 July 27, 2026.
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
10,041 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Ruben,Aug 2023

IAH - SEA

The food option was limited and the Steak Salad was sketchy.
United Airlines
7.4
Good
10,041 reviews
United Airlines
7.4
Good
10,041 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Ruben,Aug 2023

IAH - SEA

The food option was limited and the Steak Salad was sketchy.
American Airlines
7.1
Good
11,836 reviews
United Airlines
7.4
Good
10,041 reviews

Boarding

7.7

Overall

7.4

Entertainment

7.1

Comfort

7.3

Food

6.6

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Ruben,Aug 2023

IAH - SEA

The food option was limited and the Steak Salad was sketchy.

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 43m. Fly via United Airlines or American Airlines to get the fastest option. Peoria, Illinois and State of Washington are separated by a distance of 1680 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 $251). Flying from Peoria, Illinois to State of Washington in January is currently the most expensive (average of $704). 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.

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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 July 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$269Average$505FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$288Average$442FlexibilityNo cancel feeOn-time71%

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