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Peoria

$146+ 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 8/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIA
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
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 25, 2026.

This United Airlines deal was found by Cheapflights users on 7/21. 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 8/206:15 am
IAD
-
PIA
1 stop4h 51m
United Airlines
Wed 8/263:35 pm
PIA
-
IAD
1 stop4h 45m
United Airlines
Deal found 7/21$296
This American Airlines deal was found by Cheapflights users on 7/21. 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 8/207:57 am
IAD
-
PIA
2 stops11h 18m
American Airlines
Wed 8/264:24 pm
PIA
-
IAD
1 stop5h 31m
American Airlines
Deal found 7/21$301
This United Airlines deal was found by Cheapflights users on 7/20. 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 9/186:13 am
IAD
-
PIA
1 stop4h 44m
United Airlines
Fri 9/256:15 am
PIA
-
IAD
1 stop4h 40m
United Airlines
Deal found 7/20$324
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.
Fri 8/77:57 am
IAD
-
PIA
2 stops11h 18m
American Airlines
Tue 8/116:34 am
PIA
-
IAD
1 stop5h 14m
American Airlines
Deal found 7/22$354
This United Airlines deal was found by Cheapflights users on 7/20. 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 11/75:28 pm
IAD
-
PIA
1 stop4h 32m
United Airlines
Wed 11/117:14 pm
PIA
-
IAD
1 stop4h 16m
United Airlines
Deal found 7/20$363
This United Airlines deal was found by Cheapflights users on 7/21. 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 10/171:10 pm
IAD
-
PIA
1 stop6h 51m
United Airlines
Fri 10/238:30 am
PIA
-
IAD
1 stop4h 29m
United Airlines
Deal found 7/21$376
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/177:15 pm
IAD
-
PIA
1 stop5h 41m
American Airlines
Fri 10/234:22 pm
PIA
-
IAD
1 stop6h 36m
American Airlines
Deal found 7/24$377
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/810:27 am
IAD
-
PIA
1 stop6h 46m
American Airlines
Wed 8/124:24 pm
PIA
-
IAD
1 stop5h 31m
American Airlines
Deal found 7/24$380

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 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$296
(United Airlines)

One-way from

$146
(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.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Greater Peoria flights.
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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 25, 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
Quickest round-trip

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 9/18

6:13 am-9:57 am

1 stop4h 44m

Greater Peoria

Fri 9/25

6:15 am-11:55 am

1 stop4h 40m

$324

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 11/7

5:29 pm-9:13 pm

1 stop4h 44m

Greater Peoria

Wed 11/11

2:35 pm-9:10 pm

1 stop5h 35m

$373

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 10/17

1:10 pm-7:01 pm

1 stop6h 51m

Greater Peoria

Fri 10/23

8:30 am-1:59 pm

1 stop4h 29m

$376

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 8/4

8:15 am-12:38 pm

1 stop5h 23m

Greater Peoria

Sat 8/8

5:43 pm-12:45 am

1 stop6h 02m

$419

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 8/7

8:15 am-12:38 pm

1 stop5h 23m

Greater Peoria

Tue 8/11

8:29 am-4:02 pm

1 stop6h 33m

$429
Cheapest one-way

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sun 8/30

4:52 pm-9:58 am

1 stop18h 06m

$161

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Thu 8/13

8:33 pm-12:35 pm

2 stops41h 02m

$177

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Thu 9/3

6:20 am-6:50 pm

2 stops13h 30m

$190

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 11/20

6:05 am-10:08 am

1 stop5h 03m

$309

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Thu 9/10

6:13 am-9:57 am

1 stop4h 44m

$309

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/23

Showing 1-10 of 14 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 25, 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
10,034 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

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
10,034 reviews
United Airlines
7.4
Good
10,034 reviews

Comfort

7.3

Food

6.6

Entertainment

7.1

Boarding

7.7

Crew

8.1

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 4h 44m. 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 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$298Average$393FlexibilityNo cancel feeOn-time69%

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