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Peoria

$239+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIA
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
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 September 16, 2025.

Round-trip from

$249
(United Airlines)

One-way from

$239
(American Airlines)

Popular in

February

Cheapest in

July

Average price

$329
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. 2% potential increase in price ($7 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 10/146:30 amIAD - PIA
1 stop4h 43mUnited Airlines
Mon 11/35:18 pmPIA - IAD
1 stop5h 41mUnited Airlines
Deal found 9/15$249
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/306:30 amIAD - PIA
1 stop4h 43mUnited Airlines
Sat 10/48:10 amPIA - IAD
1 stop6h 47mUnited Airlines
Deal found 9/15$259
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sun 9/217:09 pmIAD - PIA
2 stops20h 19mMultiple Airlines
Wed 9/248:09 pmPIA - IAD
1 stop21h 15mMultiple Airlines
Deal found 9/15$309
This United Airlines deal was found by Cheapflights users on 9/15. 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 stop6h 29mUnited Airlines
Mon 12/85:15 pmPIA - IAD
1 stop5h 40mUnited Airlines
Deal found 9/15$319
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/267:21 pmIAD - PIA
1 stop4h 50mAmerican Airlines
Sun 9/285:30 amPIA - IAD
1 stop5h 04mAmerican Airlines
Deal found 9/14$324
This American Airlines deal was found by Cheapflights users on 9/14. 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 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
Mon 9/228:19 amPIA - IAD
1 stop4h 32mAmerican Airlines
Deal found 9/14$339
This United Airlines deal was found by Cheapflights users on 9/14. 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 9/266:50 pmIAD - PIA
1 stop4h 25mUnited Airlines
Tue 9/303:56 pmPIA - IAD
1 stop3h 59mUnited Airlines
Deal found 9/14$354
This American Airlines deal was found by Cheapflights users on 9/14. 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 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 9/14$369
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 11/128:30 amIAD - PIA
1 stop7h 03mUnited Airlines
Wed 11/195:18 pmPIA - IAD
2 stops13h 09mUnited Airlines
Deal found 9/16$375
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/246:35 amIAD - PIA
1 stop4h 38mUnited Airlines
Sun 9/286:00 amPIA - IAD
1 stop4h 48mUnited Airlines
Deal found 9/15$379
This United Airlines deal was found by Cheapflights users on 9/14. 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 12/246:30 amIAD - PIA
1 stop6h 50mUnited Airlines
Tue 12/301:20 pmPIA - IAD
1 stop7h 01mUnited Airlines
Deal found 9/14$394

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 September 16, 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

Tue 10/14

6:30 am-10:13 am

1 stop4h 43m

Greater Peoria

Mon 11/3

5:18 pm-11:59 pm

1 stop5h 41m

$249

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 9/30

6:30 am-10:13 am

1 stop4h 43m

Greater Peoria

Sat 10/4

8:10 am-3:57 pm

1 stop6h 47m

$259

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Thu 11/20

6:30 am-12:39 pm

1 stop7h 09m

Greater Peoria

Mon 11/24

5:18 pm-11:59 pm

1 stop5h 41m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 11/19

6:30 am-10:16 am

1 stop4h 46m

Greater Peoria

Sun 11/23

1:20 pm-9:23 pm

1 stop7h 03m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 12/5

6:30 am-11:59 am

1 stop6h 29m

Greater Peoria

Mon 12/8

5:15 pm-11:55 pm

1 stop5h 40m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 11/12

6:30 am-12:39 pm

1 stop7h 09m

Greater Peoria

Wed 11/19

10:51 am-5:30 pm

1 stop5h 39m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 9/26

7:21 pm-11:11 pm

1 stop4h 50m

Greater Peoria

Sun 9/28

5:30 am-11:34 am

1 stop5h 04m

$324

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 2/21

1:02 pm-4:31 pm

1 stop4h 29m

Greater Peoria

Tue 2/24

7:00 am-8:57 pm

2 stops12h 57m

$344

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 9/26

6:50 pm-10:15 pm

1 stop4h 25m

Greater Peoria

Tue 9/30

3:56 pm-8:55 pm

1 stop3h 59m

$354

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 11/26

5:03 pm-10:44 pm

1 stop6h 41m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 13 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 September 16, 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
8,924 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

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
8,924 reviews
United Airlines
7.4
Good
8,924 reviews

Entertainment

7.1

Crew

8.1

Boarding

7.7

Food

6.6

Comfort

7.3

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 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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Peoria, Illinois?

    Departing from Washington, D.C. Dulles Intl Airport to Peoria, Illinois will take you 4h 43m. The distance between Washington, D.C. Dulles Intl Airport and Peoria, Illinois is about 660 mi.

  • 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

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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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$348Average$553FlexibilityNo cancel feeOn-time69%

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