HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$126+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IAD
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/18. 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 4/297:28 pm
PIA
-
IAD
1 stop3h 47m
United Airlines
Wed 5/63:15 pm
IAD
-
PIA
1 stop4h 44m
United Airlines
Deal found 2/18$251
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Tue 4/1412:12 pm
PIA
-
IAD
2 stops9h 54m
American Airlines
Wed 4/158:11 pm
IAD
-
PIA
1 stop4h 41m
American Airlines
Deal found 2/17$256
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/126:35 am
PIA
-
IAD
1 stop4h 14m
United Airlines
Wed 3/188:30 am
IAD
-
PIA
1 stop5h 13m
United Airlines
Deal found 2/17$260
This United Airlines deal was found by Cheapflights users on 2/17. 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 3/195:25 pm
PIA
-
IAD
1 stop5h 34m
United Airlines
Thu 3/266:15 am
IAD
-
PIA
1 stop4h 48m
United Airlines
Deal found 2/17$269
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/410:46 am
PIA
-
IAD
1 stop5h 44m
United Airlines
Sat 3/78:32 am
IAD
-
PIA
1 stop6h 13m
United Airlines
Deal found 2/18$279
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/46:25 am
PIA
-
IAD
1 stop7h 14m
American Airlines
Sat 3/72:03 pm
IAD
-
PIA
2 stops9h 10m
American Airlines
Deal found 2/18$284
This United Airlines deal was found by Cheapflights users on 2/17. 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 7/175:38 pm
PIA
-
IAD
1 stop6h 07m
United Airlines
Sun 7/196:15 am
IAD
-
PIA
1 stop4h 46m
United Airlines
Deal found 2/17$286
This United Airlines deal was found by Cheapflights users on 2/17. 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 7/161:21 pm
PIA
-
IAD
1 stop4h 35m
United Airlines
Sun 7/196:15 am
IAD
-
PIA
1 stop4h 46m
United Airlines
Deal found 2/17$288
This American Airlines deal was found by Cheapflights users on 2/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2912:12 pm
PIA
-
IAD
2 stops10h 47m
American Airlines
Wed 5/68:11 pm
IAD
-
PIA
1 stop4h 41m
American Airlines
Deal found 2/16$300
This United Airlines deal was found by Cheapflights users on 2/16. 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.
Fri 4/245:30 pm
PIA
-
IAD
2 stops13h 05m
United Airlines
Sat 4/2510:10 am
IAD
-
PIA
1 stop4h 57m
United Airlines
Deal found 2/16$314
This United Airlines deal was found by Cheapflights users on 2/16. 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 4/158:15 am
PIA
-
IAD
1 stop6h 48m
United Airlines
Sun 4/196:15 am
IAD
-
PIA
1 stop4h 47m
United Airlines
Deal found 2/16$330
This American Airlines deal was found by Cheapflights users on 2/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:00 am
PIA
-
IAD
1 stop7h 32m
American Airlines
Sat 3/142:03 pm
IAD
-
PIA
1 stop4h 50m
American Airlines
Deal found 2/15$335

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(United Airlines)

One-way from

$126
(United Airlines)

Popular in

March

Cheapest in

April

Average price

$268
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. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 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

Peoria

Fly to

Dulles Intl

Route

Depart

Return

Price

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 4/29

7:00 am-5:09 pm

1 stop9h 09m

Washington, D.C. Dulles Intl

Wed 5/6

8:11 pm-11:52 pm

1 stop4h 41m

$251

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 4/29

7:28 pm-12:15 am

1 stop3h 47m

Washington, D.C. Dulles Intl

Wed 5/6

3:15 pm-6:59 pm

1 stop4h 44m

$251

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Tue 4/14

10:40 am-5:28 pm

1 stop5h 48m

Washington, D.C. Dulles Intl

Wed 4/15

6:15 am-10:02 am

1 stop4h 47m

$251

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 3/12

6:35 am-11:49 am

1 stop4h 14m

Washington, D.C. Dulles Intl

Wed 3/18

8:30 am-12:43 pm

1 stop5h 13m

$260

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 3/18

5:25 pm-11:59 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Sun 3/22

6:15 am-10:03 am

1 stop4h 48m

$260

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 4/24

10:40 am-4:03 pm

1 stop4h 23m

Washington, D.C. Dulles Intl

Sat 4/25

6:15 am-10:02 am

1 stop4h 47m

$260

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 3/20

5:25 pm-11:59 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Sun 3/22

6:15 am-10:03 am

1 stop4h 48m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 3/19

5:25 pm-11:59 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Thu 3/26

6:15 am-10:03 am

1 stop4h 48m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 6/17

8:20 am-2:08 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

Tue 6/23

8:15 am-12:46 pm

1 stop5h 31m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 5/22

5:33 pm-12:45 am

1 stop6h 12m

Washington, D.C. Dulles Intl

Tue 5/26

3:39 pm-7:26 pm

1 stop4h 47m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 24 results
1
2
3

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 February.
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.

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 February 19, 2026.
See what other customers who have flown with United Airlines and American 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
9,321 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

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
9,321 reviews
United Airlines
7.4
Good
9,321 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

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
American Airlines
7.2
Good
11,313 reviews
United Airlines
7.4
Good
9,321 reviews

Food

6.6

Overall

7.4

Entertainment

7.1

Boarding

7.7

Comfort

7.3

Crew

8.1

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. 2 airlines have 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 American Airlines and United Airlines fly from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in about 3h 47m. The time it takes to get you to your destination can typically vary by up to 5h 22m. There are 660 mi between Peoria, Illinois and Washington, D.C. Dulles Intl Airport. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $248, 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. Check Cheapflights for deals on American Airlines for as low as $258.

  • 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
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Manassas
Bowie
Largo
McLean
Clinton
Towson

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Peoria to Dulles Intl

Discover the top 2 airlines 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$248Average$335FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$303FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.