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Dulles Intl

$125+ 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 1/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IAD
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Cheap 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 November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$125
(United Airlines)

Popular in

March

Cheapest in

April

Average price

$368
Provider with most accurate pricing for Greater Peoria-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Greater Peoria-Washington, D.C. Dulles Intl flights.
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From Greater Peoria to Washington, D.C. Dulles Intl
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One-way flight from Greater Peoria to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 10% potential increase in price ($40 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 18, 2025.

This United Airlines deal was found by Cheapflights users on 11/17. 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.
Sat 12/205:19 pmPIA - IAD
1 stop5h 56mUnited Airlines
Thu 1/18:15 amIAD - PIA
1 stop5h 05mUnited Airlines
Deal found 11/17$249
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:36 amPIA - IAD
1 stop20h 44mMultiple Airlines
Thu 1/19:41 amIAD - PIA
2 stops30h 07mMultiple Airlines
Deal found 11/17$307
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Mon 11/245:23 pmPIA - IAD
1 stop5h 36mUnited Airlines
Mon 12/16:30 amIAD - PIA
1 stop7h 09mUnited Airlines
Deal found 11/17$310
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Wed 12/176:45 amPIA - IAD
1 stop3h 58mUnited Airlines
Thu 1/18:15 amIAD - PIA
1 stop5h 05mUnited Airlines
Deal found 11/17$319
This United Airlines deal was found by Cheapflights users on 11/17. 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.
Sat 12/63:30 pmPIA - IAD
1 stop4h 48mUnited Airlines
Sat 12/136:30 amIAD - PIA
1 stop4h 39mUnited Airlines
Deal found 11/17$320
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/229:16 pmPIA - IAD
2 stops22h 47mMultiple Airlines
Sun 12/289:58 pmIAD - PIA
1 stop10h 37mMultiple Airlines
Deal found 11/17$339
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/228:12 pmPIA - IAD
1 stop23h 51mMultiple Airlines
Thu 1/19:41 amIAD - PIA
2 stops30h 07mMultiple Airlines
Deal found 11/17$343
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:36 amPIA - IAD
1 stop20h 44mMultiple Airlines
Wed 12/317:01 pmIAD - PIA
2 stops21h 44mMultiple Airlines
Deal found 11/17$347
This United Airlines deal was found by Cheapflights users on 11/16. 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 11/281:20 pmPIA - IAD
1 stop7h 03mUnited Airlines
Mon 12/16:30 amIAD - PIA
1 stop7h 09mUnited Airlines
Deal found 11/16$358
This United Airlines deal was found by Cheapflights users on 11/18. 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.
Tue 11/255:23 pmPIA - IAD
1 stop5h 36mUnited Airlines
Mon 12/16:30 amIAD - PIA
1 stop4h 46mUnited Airlines
Deal found 11/18$363
This American Airlines deal was found by Cheapflights users on 11/18. 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.
Fri 11/216:25 pmPIA - IAD
1 stop4h 34mAmerican Airlines
Sun 11/238:09 pmIAD - PIA
1 stop4h 57mAmerican Airlines
Deal found 11/18$369

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 November 18, 2025.
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

Thu 1/22

1:24 pm-9:17 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Sun 1/25

1:05 pm-4:43 pm

1 stop4h 38m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 1/17

5:29 pm-11:42 pm

1 stop5h 13m

Washington, D.C. Dulles Intl

Mon 1/26

11:34 am-4:59 pm

1 stop6h 25m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 12/20

5:19 pm-12:15 am

1 stop5h 56m

Washington, D.C. Dulles Intl

Thu 1/1

8:15 am-12:20 pm

1 stop5h 05m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 2/6

5:29 pm-11:12 pm

1 stop4h 43m

Washington, D.C. Dulles Intl

Wed 2/11

11:34 am-4:59 pm

1 stop6h 25m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 12/18

10:36 am-8:20 am

1 stop20h 44m

Washington, D.C. Dulles Intl

Thu 1/1

9:41 am-6:48 pm

1 stop10h 07m

$313

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 12/20

5:19 pm-12:15 am

1 stop5h 56m

Washington, D.C. Dulles Intl

Wed 12/31

1:00 pm-4:43 pm

1 stop4h 43m

$319

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 2/18

6:10 am-4:28 pm

1 stop9h 18m

Washington, D.C. Dulles Intl

Sat 2/21

5:37 pm-11:12 pm

1 stop6h 35m

$319

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Mon 12/22

6:30 am-11:45 am

1 stop4h 15m

Washington, D.C. Dulles Intl

Wed 12/31

8:15 am-12:20 pm

1 stop5h 05m

$319

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 12/17

6:45 am-11:43 am

1 stop3h 58m

Washington, D.C. Dulles Intl

Wed 12/31

6:30 am-12:20 pm

1 stop6h 50m

$319

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 12/17

6:45 am-11:43 am

1 stop3h 58m

Washington, D.C. Dulles Intl

Fri 1/2

6:30 am-12:20 pm

1 stop6h 50m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/16

Showing 1-10 of 18 results
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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Peoria, Illinois-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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

What is the cheapest month to book a flight from Peoria, Illinois to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Washington, D.C. Dulles Intl Airport (average of $248). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $588). 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.

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 November 18, 2025.
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
9,020 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,020 reviews
United Airlines
7.4
Good
9,020 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
American Airlines
7.2
Good
11,046 reviews
United Airlines
7.4
Good
9,020 reviews

Crew

8.1

Comfort

7.3

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

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 United Airlines and American Airlines fly from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in about 5h 13m. The time it takes to get you to your destination can typically vary by up to 1h 40m. 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 $211, 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.

  • What are the cheapest airlines to fly from Peoria, Illinois to Washington, D.C. Dulles Intl Airport one-way?

    $125 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Allegiant Air and American Airlines, with prices starting from $187 and $239, respectively.

  • 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.

  • What is the cheapest month to book a flight from Peoria, Illinois to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Washington, D.C. Dulles Intl Airport (average of $248). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $588). 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

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
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Alternative routes for Peoria to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Dubuque to Reagan-National flights

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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$211Average$318FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$323FlexibilityNo cancel feeOn-time71%

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