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Dulles Intl

$150+ 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 10/27. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IAD
Nov 3 — Nov 101
Mon 11/3
Mon 11/10
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 October 4, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(United Airlines)

One-way from

$150
(Kiwi.com)

Popular in

March

Cheapest in

April

Average price

$278
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. 11% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 4, 2025.

This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:30 pmPIA - IAD
1 stop4h 53mUnited Airlines
Sat 11/88:30 amIAD - PIA
1 stop7h 03mUnited Airlines
Deal found 10/2$249
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:00 amPIA - IAD
1 stop4h 55mUnited Airlines
Tue 10/215:15 pmIAD - PIA
1 stop6h 00mUnited Airlines
Deal found 10/2$259
This American Airlines deal was found by Cheapflights users on 10/3. 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 11/215:00 amPIA - IAD
1 stop7h 12mAmerican Airlines
Sun 11/238:09 pmIAD - PIA
1 stop4h 57mAmerican Airlines
Deal found 10/3$284
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/245:20 pmPIA - IAD
1 stop6h 01mUnited Airlines
Sun 10/266:30 amIAD - PIA
1 stop7h 09mUnited Airlines
Deal found 10/2$296
This Mytrip deal was found by Cheapflights users on 10/4. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/265:23 pmPIA - IAD
2 stops18h 21mAllegiant Air
Fri 10/318:57 pmIAD - PIA
1 stop14h 33mAllegiant Air
Deal found 10/4$298
This American Airlines deal was found by Cheapflights users on 10/3. 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 10/216:36 amPIA - IAD
1 stop6h 12mAmerican Airlines
Sat 10/258:25 pmIAD - PIA
1 stop4h 57mAmerican Airlines
Deal found 10/3$299
This United Airlines deal was found by Cheapflights users on 10/3. 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 10/315:18 pmPIA - IAD
1 stop5h 41mUnited Airlines
Mon 11/36:30 amIAD - PIA
1 stop7h 09mUnited Airlines
Deal found 10/3$319
This American Airlines deal was found by Cheapflights users on 10/2. 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 10/36:54 amPIA - IAD
1 stop8h 56mAmerican Airlines
Fri 10/108:25 pmIAD - PIA
1 stop4h 57mAmerican Airlines
Deal found 10/2$324
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/166:00 amPIA - IAD
1 stop6h 51mUnited Airlines
Mon 10/206:30 amIAD - PIA
1 stop4h 43mUnited Airlines
Deal found 10/2$329
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Wed 10/226:36 amPIA - IAD
1 stop6h 12mAmerican Airlines
Mon 10/278:25 pmIAD - PIA
1 stop4h 57mAmerican Airlines
Deal found 10/2$359
This United Airlines deal was found by Cheapflights users on 10/4. 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 10/2610:51 amPIA - IAD
1 stop5h 39mUnited Airlines
Fri 10/316:30 amIAD - PIA
1 stop7h 09mUnited Airlines
Deal found 10/4$363

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 October 4, 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

Fri 11/7

5:23 pm-11:59 pm

1 stop5h 36m

Washington, D.C. Dulles Intl

Sun 11/9

6:30 am-12:39 pm

1 stop7h 09m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 11/1

3:30 pm-9:23 pm

1 stop4h 53m

Washington, D.C. Dulles Intl

Sat 11/8

8:30 am-2:33 pm

1 stop7h 03m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 10/17

6:00 am-11:55 am

1 stop4h 55m

Washington, D.C. Dulles Intl

Tue 10/21

5:15 pm-10:15 pm

1 stop6h 00m

$259

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 11/21

5:00 am-1:12 pm

1 stop7h 12m

Washington, D.C. Dulles Intl

Sun 11/23

8:09 pm-12:06 am

1 stop4h 57m

$284

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 10/15

8:10 am-3:57 pm

1 stop6h 47m

Washington, D.C. Dulles Intl

Sat 10/18

6:30 am-10:13 am

1 stop4h 43m

$284

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 10/24

5:20 pm-12:21 am

1 stop6h 01m

Washington, D.C. Dulles Intl

Sun 10/26

6:30 am-12:39 pm

1 stop7h 09m

$296

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 12/19

5:19 pm-12:15 am

1 stop5h 56m

Washington, D.C. Dulles Intl

Sun 12/28

6:30 am-12:20 pm

1 stop6h 50m

$296

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sun 10/26

5:23 pm-12:44 pm

2 stops18h 21m

Washington, D.C. Dulles Intl

Fri 10/31

8:57 pm-10:30 am

1 stop14h 33m

$298

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Tue 10/21

6:36 am-1:48 pm

1 stop6h 12m

Washington, D.C. Dulles Intl

Sat 10/25

8:25 pm-12:22 am

1 stop4h 57m

$299

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 12/4

5:15 pm-11:55 pm

1 stop5h 40m

Washington, D.C. Dulles Intl

Tue 12/9

5:15 pm-9:31 pm

1 stop5h 16m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 21 results
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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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust 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

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 $292). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 October 4, 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
8,946 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
8,946 reviews
United Airlines
7.4
Good
8,946 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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
11,041 reviews
United Airlines
7.4
Good
8,946 reviews

Overall

7.4

Entertainment

7.1

Food

6.6

Comfort

7.3

Crew

8.1

Boarding

7.7

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 36m. The time it takes to get you to your destination can typically vary by up to 1h 36m. 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?

    $173 is the cheapest one-way deal found within the past few days, from Allegiant Air. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $239 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 $292). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Oxon Hill
Laurel
Towson
National Harbor
Dundalk
Waldorf

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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 Baltimore 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 October 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$211Average$318FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$303FlexibilityNo cancel feeOn-time71%

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