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Peoria

$126+ Cheap flights from Dulles Intl (IAD) 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIA
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Dulles Intl to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Peoria (PIA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$126
(American Airlines)

Popular in

October

Cheapest in

July

Average price

$318
From Washington, D.C. Dulles Intl to Greater Peoria
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One-way flight from Washington, D.C. Dulles Intl to Greater Peoria
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Highest demand for flights based on searches. 7% potential increase in price ($25 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Dulles Intl to Peoria

Cheapest flights from Dulles Intl to Peoria
Explore the most affordable flight options available from Dulles Intl to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/176:35 amIAD - PIA
1 stop4h 38mUnited Airlines
Mon 9/228:10 amPIA - IAD
1 stop5h 27mUnited Airlines
Deal found 8/13$249
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/175:40 pmIAD - PIA
1 stop6h 43mAmerican Airlines
Tue 9/238:19 amPIA - IAD
1 stop4h 32mAmerican Airlines
Deal found 8/13$279
This United Airlines deal was found by Cheapflights users on 8/14. 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 12/56:30 amIAD - PIA
1 stop4h 39mUnited Airlines
Mon 12/85:15 pmPIA - IAD
1 stop5h 40mUnited Airlines
Deal found 8/14$319
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/265:40 pmIAD - PIA
1 stop6h 43mAmerican Airlines
Sun 9/285:30 amPIA - IAD
1 stop5h 04mAmerican Airlines
Deal found 8/13$359
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:30 amIAD - PIA
1 stop4h 43mUnited Airlines
Thu 10/95:20 pmPIA - IAD
1 stop6h 01mUnited Airlines
Deal found 8/13$434
This American Airlines deal was found by Cheapflights users on 8/13. 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 9/225:40 pmIAD - PIA
1 stop6h 43mAmerican Airlines
Thu 9/255:30 amPIA - IAD
1 stop5h 04mAmerican Airlines
Deal found 8/13$477
This United Airlines deal was found by Cheapflights users on 8/14. 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 8/203:55 pmIAD - PIA
1 stop5h 57mUnited Airlines
Fri 8/225:19 pmPIA - IAD
2 stops13h 08mUnited Airlines
Deal found 8/14$498
This United Airlines deal was found by Cheapflights users on 8/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/2610:19 pmIAD - PIA
2 stops12h 54mUnited Airlines
Sun 9/288:10 amPIA - IAD
1 stop4h 41mUnited Airlines
Deal found 8/13$571

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 August 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Peoria that are best for you.

Fly from

Dulles Intl

Fly to

Peoria

Route

Depart

Return

Price

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 9/17

6:35 am-10:13 am

1 stop4h 38m

Greater Peoria

Mon 9/22

8:10 am-2:37 pm

1 stop5h 27m

$249

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 9/17

5:40 pm-11:23 pm

1 stop6h 43m

Greater Peoria

Tue 9/23

8:19 am-1:51 pm

1 stop4h 32m

$279

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 9/9

1:15 pm-4:43 pm

1 stop4h 28m

Greater Peoria

Tue 9/16

8:10 am-1:49 pm

1 stop4h 39m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 9/10

6:35 am-10:13 am

1 stop4h 38m

Greater Peoria

Wed 9/17

5:19 pm-12:32 am

1 stop6h 13m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 9/26

5:40 pm-11:23 pm

1 stop6h 43m

Greater Peoria

Sun 9/28

5:30 am-11:34 am

1 stop5h 04m

$359

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 10/8

6:30 am-10:13 am

1 stop4h 43m

Greater Peoria

Thu 10/9

5:20 pm-12:21 am

1 stop6h 01m

$434

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Mon 9/22

5:40 pm-11:23 pm

1 stop6h 43m

Greater Peoria

Thu 9/25

5:30 am-11:34 am

1 stop5h 04m

$477

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 10/7

6:50 pm-10:15 pm

1 stop4h 25m

Greater Peoria

Wed 10/8

6:00 am-11:55 am

1 stop4h 55m

$477

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 9/9

7:21 pm-11:07 pm

1 stop4h 46m

$126

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Thu 8/21

4:56 pm-1:30 pm

1 stop21h 34m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 17 results
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Best time to book a flight from Dulles Intl to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Dulles Intl 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.

Reviews of airlines servicing Peoria

Get insights into the airlines that provide service to Peoria. 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 Peoria. Reviews last updated August 14, 2025.
Get a feel of what it's like to fly with United Airlines from Washington, D.C. Dulles Intl Airport to Peoria 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
8,916 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

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
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

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 Dulles Intl 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, D.C. Dulles Intl?

    Most people fly into Greater Peoria (PIA) if they book a flight to Peoria from Washington, D.C. Dulles Intl. On average, Greater Peoria has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.

  • What is the cheapest airline to fly from Washington, D.C. Dulles Intl Airport to Peoria, Illinois round-trip?

    According to our current data, United Airlines ($348), offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Peoria, Illinois.

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

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

  • How can I find direct flights from Dulles Intl to Peoria?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Peoria, Illinois?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Peoria, Illinois (average of $318). Flying from Washington, D.C. Dulles Intl Airport to Peoria, Illinois in October is currently the most expensive (average of $421). 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 Dulles Intl to Peoria

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to Peoria

Discover the top airline that operate flights from Dulles Intl 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$348Average$553FlexibilityNo cancel feeOn-time69%

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