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Peoria

$175+ 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 9/16. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIA
Aug 12 — Aug 191
Wed 8/12
Wed 8/19
1 adult, Economy
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Cheap 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 July 13, 2026.

This United Airlines deal was found by Cheapflights users on 7/10. 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 10/105:20 pm
IAD
-
PIA
1 stop6h 38m
United Airlines
Wed 10/1410:43 am
PIA
-
IAD
1 stop4h 18m
United Airlines
Deal found 7/10$283
This American Airlines deal was found by Cheapflights users on 7/9. 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 8/1910:27 am
IAD
-
PIA
1 stop6h 46m
American Airlines
Sun 8/234:24 pm
PIA
-
IAD
1 stop4h 29m
American Airlines
Deal found 7/9$296
This United Airlines deal was found by Cheapflights users on 7/8. 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 8/46:10 am
IAD
-
PIA
1 stop4h 59m
United Airlines
Sun 8/96:11 pm
PIA
-
IAD
1 stop5h 34m
United Airlines
Deal found 7/8$309
This American Airlines deal was found by Cheapflights users on 7/9. 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 8/155:34 pm
IAD
-
PIA
1 stop6h 25m
American Airlines
Sat 8/226:34 am
PIA
-
IAD
1 stop5h 14m
American Airlines
Deal found 7/9$320
This United Airlines deal was found by Cheapflights users on 7/8. 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 7/226:10 am
IAD
-
PIA
1 stop4h 59m
United Airlines
Sat 7/2510:44 am
PIA
-
IAD
1 stop4h 46m
United Airlines
Deal found 7/8$339
This American Airlines deal was found by Cheapflights users on 7/9. 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 7/228:22 pm
IAD
-
PIA
1 stop4h 36m
American Airlines
Sat 7/254:26 pm
PIA
-
IAD
1 stop4h 39m
American Airlines
Deal found 7/9$347
This United Airlines deal was found by Cheapflights users on 7/10. 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 8/98:15 am
IAD
-
PIA
1 stop5h 22m
United Airlines
Sun 8/165:45 am
PIA
-
IAD
1 stop5h 07m
United Airlines
Deal found 7/10$354
This United Airlines deal was found by Cheapflights users on 7/7. 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 8/293:40 pm
IAD
-
PIA
1 stop4h 23m
United Airlines
Wed 9/28:29 am
PIA
-
IAD
1 stop4h 26m
United Airlines
Deal found 7/7$363
This United Airlines deal was found by Cheapflights users on 7/11. 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.
Thu 7/306:10 am
IAD
-
PIA
1 stop4h 59m
United Airlines
Mon 8/102:33 pm
PIA
-
IAD
1 stop5h 49m
United Airlines
Deal found 7/11$364

Find 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 July 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(United Airlines)

One-way from

$175
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$323
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Greater Peoria flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Greater Peoria flights.
Search Deals
From Washington, D.C. Dulles Intl to Greater Peoria
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Greater Peoria
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease ($36 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 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 July 13, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 10/10

5:20 pm-10:58 pm

1 stop6h 38m

Greater Peoria

Wed 10/14

10:43 am-4:01 pm

1 stop4h 18m

$283

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 8/4

6:10 am-10:09 am

1 stop4h 59m

Greater Peoria

Sun 8/9

6:11 pm-12:45 am

1 stop5h 34m

$309
Quickest round-trip

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 8/29

3:40 pm-7:03 pm

1 stop4h 23m

Greater Peoria

Wed 9/2

8:29 am-1:55 pm

1 stop4h 26m

$363

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 8/11

6:15 am-10:06 am

1 stop4h 51m

Greater Peoria

Sat 8/15

5:45 am-1:55 pm

1 stop7h 10m

$363

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 8/15

5:15 pm-10:43 pm

1 stop6h 28m

Greater Peoria

Sun 8/16

5:45 am-11:52 am

1 stop5h 07m

$376

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 10/17

6:10 am-10:06 am

1 stop4h 56m

Greater Peoria

Fri 10/23

6:15 am-1:59 pm

1 stop6h 44m

$376

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sun 8/9

6:10 am-10:09 am

1 stop4h 59m

Greater Peoria

Sun 8/16

5:45 am-11:52 am

1 stop5h 07m

$389

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sun 8/9

8:15 am-1:57 pm

1 stop6h 42m

Greater Peoria

Sat 8/15

5:45 am-11:52 am

1 stop5h 07m

$391
Cheapest one-way

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 7/24

3:16 pm-8:48 am

2 stops18h 32m

$209

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 7/29

7:49 am-8:38 am

2 stops25h 49m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/8

Showing 1-10 of 15 resultsSorted by cheapest first
1
2
  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Peoria, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Peoria, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Peoria, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Peoria, Illinois flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Peoria, Illinois flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 July 13, 2026.
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
9,979 reviews

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.
United Airlines
7.4
Good
9,979 reviews
United Airlines
7.4
Good
9,979 reviews

Entertainment

7.1

Food

6.7

Boarding

7.7

Crew

8.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

IAD - TYS

It was a short flight on a small express plane, so no time for amenities. Quickly on, quickly off. No complaints.

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 6h 38m. 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 ($298), 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.

See more FAQs

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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 July 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$298Average$405FlexibilityNo cancel feeOn-time69%

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