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$203+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — SEA
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
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 March 17, 2026.

This American Airlines deal was found by Cheapflights users on 3/12. 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 4/177:05 pm
PIA
-
SEA
1 stop7h 31m
American Airlines
Sat 4/2511:55 pm
SEA
-
PIA
1 stop9h 47m
American Airlines
Deal found 3/12$320
This American Airlines deal was found by Cheapflights users on 3/13. 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 10/166:21 am
PIA
-
GEG
1 stop7h 14m
American Airlines
Thu 10/291:53 pm
GEG
-
PIA
1 stop7h 13m
American Airlines
Deal found 3/13$329
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Wed 7/87:18 pm
PIA
-
PDX
1 stop6h 39m
American Airlines
Wed 7/1510:57 pm
PDX
-
PIA
1 stop8h 24m
American Airlines
Deal found 3/13$349
This American Airlines deal was found by Cheapflights users on 3/13. 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.
Mon 6/156:55 pm
PIA
-
SEA
1 stop6h 44m
American Airlines
Tue 6/233:06 pm
SEA
-
PIA
1 stop6h 53m
American Airlines
Deal found 3/13$349
This American Airlines deal was found by Cheapflights users on 3/17. 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 7/16:55 pm
PIA
-
PDX
1 stop7h 01m
American Airlines
Wed 7/1510:57 pm
PDX
-
PIA
1 stop8h 24m
American Airlines
Deal found 3/17$369
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/810:40 am
PIA
-
SEA
2 stops11h 05m
United Airlines
Wed 4/222:39 pm
SEA
-
PIA
1 stop6h 18m
United Airlines
Deal found 3/12$371
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/177:43 pm
PIA
-
SEA
1 stop6h 51m
United Airlines
Sat 4/258:45 am
SEA
-
PIA
2 stops10h 28m
United Airlines
Deal found 3/16$373
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/172:50 pm
PIA
-
PDX
2 stops10h 04m
United Airlines
Tue 4/212:30 pm
PDX
-
PIA
1 stop6h 27m
United Airlines
Deal found 3/12$376
This United Airlines deal was found by Cheapflights users on 3/12. 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 4/152:50 pm
PIA
-
SEA
1 stop9h 52m
United Airlines
Sat 4/187:00 am
SEA
-
PIA
1 stop7h 44m
United Airlines
Deal found 3/12$381
This United Airlines deal was found by Cheapflights users on 3/12. 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 6/125:33 pm
PIA
-
PDX
1 stop8h 20m
United Airlines
Sat 6/2011:40 pm
PDX
-
PIA
1 stop8h 30m
United Airlines
Deal found 3/12$388
This United Airlines deal was found by Cheapflights users on 3/12. 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 7/225:33 pm
PIA
-
SEA
1 stop8h 26m
United Airlines
Tue 7/281:36 pm
SEA
-
PIA
1 stop7h 09m
United Airlines
Deal found 3/12$395
This American Airlines deal was found by Cheapflights users on 3/16. 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.
Mon 4/201:22 pm
PIA
-
SEA
1 stop13h 14m
American Airlines
Tue 4/213:17 pm
SEA
-
PIA
1 stop6h 16m
American Airlines
Deal found 3/16$412

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$320
(American Airlines)

One-way from

$203
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$574
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
One-way flight from Greater Peoria to Washington
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 17, 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

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Mon 6/1

5:33 pm-11:59 pm

1 stop8h 26m

Seattle/Tacoma Intl

Tue 6/9

11:52 pm-10:10 am

1 stop8h 18m

$349

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Mon 8/10

2:39 pm-10:30 pm

1 stop9h 51m

Portland

Mon 9/7

11:15 pm-9:52 am

1 stop8h 37m

$369

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Fri 4/17

2:50 pm-10:54 pm

2 stops10h 04m

Portland

Tue 4/21

2:30 pm-10:57 pm

1 stop6h 27m

$376

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 4/15

5:35 pm-10:42 pm

1 stop7h 07m

Seattle/Tacoma Intl

Sat 4/18

10:48 am-6:53 pm

1 stop6h 05m

$381

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Fri 4/17

5:35 pm-12:34 am

1 stop8h 59m

Seattle/Tacoma Intl

Sat 4/25

8:45 am-9:13 pm

2 stops10h 28m

$415

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Sat 4/25

8:50 am-6:35 pm

2 stops11h 45m

Seattle/Tacoma Intl

Thu 5/7

11:53 pm-10:04 am

1 stop8h 11m

$440

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Wed 4/15

5:35 pm-10:34 pm

1 stop6h 59m

Portland

Sat 4/18

7:14 pm-10:02 am

2 stops12h 48m

$444

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Mon 6/22

5:33 pm-11:53 pm

1 stop8h 20m

Portland

Fri 7/3

11:40 pm-10:09 am

1 stop8h 29m

$456

PeoriaPortland

PIA - PDX

PIAPDX

Greater Peoria

Wed 7/1

5:33 pm-12:02 am

1 stop8h 29m

Portland

Wed 7/15

6:03 pm-10:09 am

2 stops14h 06m

$464

PeoriaSeattle

PIA - SEA

PIASEA

Greater Peoria

Wed 6/17

1:21 pm-7:06 pm

1 stop7h 45m

Seattle/Tacoma Intl

Mon 6/29

5:04 pm-10:09 am

2 stops15h 05m

$464

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 35 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $234). Flying from Peoria, Illinois to State of Washington in July is currently the most expensive (average of $362). 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 March 17, 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
9,431 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,431 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.1
Good
11,468 reviews
United Airlines
7.4
Good
9,431 reviews

Boarding

7.7

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 26m. Fly via United Airlines, Allegiant Air, or American 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, October is the cheapest month in which you can book a flight from Peoria, Illinois to State of Washington (average of $234). Flying from Peoria, Illinois to State of Washington in July is currently the most expensive (average of $362). 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$268Average$460FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$269Average$488FlexibilityNo cancel feeOn-time69%

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