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Dulles Intl

$269+ Cheap flights from Peoria, IL (PIA) to Dulles Intl (IAD)

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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IAD
Aug 3 — Aug 101
Mon 8/3
Mon 8/10
1 adult, Economy
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Cheap flight deals from Peoria to Dulles Intl

Cheapest flights from Peoria to Dulles Intl
Explore the most affordable flight options available from Peoria to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 4, 2026.

This United Airlines deal was found by Cheapflights users on 7/1. 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 8/225:45 am
PIA
-
IAD
1 stop5h 07m
United Airlines
Tue 8/253:40 pm
IAD
-
PIA
1 stop4h 23m
United Airlines
Deal found 7/1$283
This United Airlines deal was found by Cheapflights users on 7/1. 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 10/104:05 pm
PIA
-
IAD
1 stop5h 47m
United Airlines
Wed 10/146:10 am
IAD
-
PIA
1 stop4h 56m
United Airlines
Deal found 7/1$295
This American Airlines deal was found by Cheapflights users on 6/29. 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 7/294:22 pm
PIA
-
IAD
1 stop6h 48m
American Airlines
Wed 8/55:34 pm
IAD
-
PIA
1 stop6h 25m
American Airlines
Deal found 6/29$296
This American Airlines deal was found by Cheapflights users on 7/2. 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 8/64:24 pm
PIA
-
IAD
1 stop5h 31m
American Airlines
Mon 8/105:34 pm
IAD
-
PIA
1 stop6h 25m
American Airlines
Deal found 7/2$309
This American Airlines deal was found by Cheapflights users on 7/1. 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 8/223:02 pm
PIA
-
IAD
2 stops6h 53m
American Airlines
Tue 8/2510:27 am
IAD
-
PIA
2 stops8h 48m
American Airlines
Deal found 7/1$329
This American Airlines deal was found by Cheapflights users on 7/2. 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 7/174:22 pm
PIA
-
IAD
1 stop6h 48m
American Airlines
Tue 7/218:22 pm
IAD
-
PIA
1 stop4h 36m
American Airlines
Deal found 7/2$339

Find flight deals from Peoria to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Peoria (PIA) to Dulles Intl (IAD). 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 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$283
(United Airlines)

One-way from

$269
(United Airlines)

Popular in

March

Cheapest in

August

Average price

$466
Provider with most accurate pricing for Greater Peoria-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Washington, D.C. Dulles Intl flights.
Search Deals
From Greater Peoria to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Greater Peoria to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 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 Peoria to Dulles Intl 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 4, 2026.
Use the filters below to find and compare flights from Peoria to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 10/16

10:43 am-4:01 pm

1 stop4h 18m

Washington, D.C. Dulles Intl

Wed 10/21

6:10 am-10:06 am

1 stop4h 56m

$296

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 7/25

1:13 pm-7:02 pm

1 stop4h 49m

Washington, D.C. Dulles Intl

Thu 7/30

6:10 am-10:09 am

1 stop4h 59m

$309

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 8/26

5:45 am-1:55 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

Sat 8/29

6:15 am-10:06 am

1 stop4h 51m

$363

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 8/22

5:45 am-1:55 pm

1 stop7h 10m

Washington, D.C. Dulles Intl

Sat 8/29

1:10 pm-7:03 pm

1 stop6h 53m

$364

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 8/8

6:30 am-11:55 am

1 stop4h 25m

Washington, D.C. Dulles Intl

Sun 8/9

8:15 am-12:37 pm

1 stop5h 22m

$376

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 10/15

6:15 am-11:55 am

1 stop4h 40m

Washington, D.C. Dulles Intl

Mon 10/19

5:20 pm-10:58 pm

1 stop6h 38m

$389
Cheapest one-way
Quickest one-way

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 8/12

10:41 am-4:02 pm

1 stop4h 21m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Mon 8/17

4:24 pm-10:55 pm

1 stop5h 31m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Tue 8/4

9:50 am-12:10 am

2 stops13h 20m

$362

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sun 7/19

6:11 pm-12:45 am

1 stop5h 34m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 12 resultsSorted by cheapest first
1
2

Compare providers for flights from Peoria to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Peoria to Dulles Intl in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Peoria, Illinois-Washington, D.C. Dulles Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Peoria, Illinois-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Peoria, Illinois-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Peoria, Illinois-Washington, D.C. Dulles Intl Airport 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 Peoria, Illinois-Washington, D.C. Dulles Intl Airport 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 Peoria to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl 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, D.C. Dulles Intl Airport

How much does it cost to fly round-trip from Peoria, Illinois to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated July 4, 2026.
See what other customers who have flown with United Airlines from Peoria to Washington, D.C. Dulles Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,927 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

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
9,927 reviews
United Airlines
7.4
Good
9,927 reviews

Boarding

7.7

Food

6.7

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

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 Dulles Intl. 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, D.C. Dulles Intl?

    For a flight from Peoria to Washington, D.C. Dulles Intl, you will be flying from Greater Peoria. Greater Peoria (PIA) is just 6.0 mi from the center of the city. Greater Peoria is the only Peoria airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 1 airline has flights to Washington, D.C. Dulles Intl from Greater Peoria on a regular basis.

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

    Airlines like United Airlines fly from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in about 4h 18m. The time it takes to get you to your destination can typically vary by up to . There are 660 mi between Peoria, Illinois and Washington, D.C. Dulles Intl Airport.

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

    Currently priced at $259, United Airlines will fly you from Peoria, Illinois to Washington, D.C. Dulles Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. United Airlines is currently priced 27% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Peoria to Dulles Intl 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Falls Church
Fredericksburg
Hanover
Chantilly
Manassas
Silver Spring
Laurel
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Peoria to Dulles Intl

Discover the top airline that operate flights from Peoria to Dulles Intl. 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 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$259Average$353FlexibilityNo cancel feeOn-time69%

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