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Dulles Intl

$99+ 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 8/1. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — IAD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$249
(American Airlines)

One-way from

$99
(Mytrip)

Popular in

January

Cheapest in

April

Average price

$558
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. 8% potential increase in price ($39 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This American Airlines deal was found by Cheapflights users on 6/10. 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.
mié. 8/64:15 pmPIA - IAD
1 stop5h 41mAmerican Airlines
mié. 8/1310:25 amIAD - PIA
1 stop7h 07mAmerican Airlines
Deal found 6/10$249
This United Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 7/105:25 pmPIA - IAD
1 stop6h 05mUnited Airlines
dom. 7/136:35 amIAD - PIA
1 stop4h 44mUnited Airlines
Deal found 6/10$300
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 8/143:44 pmPIA - IAD
2 stops21h 39mAllegiant Air
dom. 8/176:14 pmIAD - PIA
1 stop15h 48mAllegiant Air
Deal found 6/11$355
This Mytrip deal was found by Cheapflights users on 6/11. 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.
jue. 8/143:44 pmPIA - IAD
2 stops21h 39mMultiple Airlines
dom. 8/1712:55 pmIAD - PIA
3 stops29h 45mMultiple Airlines
Deal found 6/11$358

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 junio 12, 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

mié. 8/6

4:15 pm-10:56 pm

1 stop5h 41m

Washington, D.C. Dulles Intl

mié. 8/13

10:25 am-4:32 pm

1 stop7h 07m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

jue. 7/10

5:25 pm-12:30 am

1 stop6h 05m

Washington, D.C. Dulles Intl

dom. 7/13

6:35 am-10:19 am

1 stop4h 44m

$300

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

jue. 8/14

3:44 pm-2:23 pm

2 stops21h 39m

Washington, D.C. Dulles Intl

dom. 8/17

6:14 pm-9:02 am

1 stop15h 48m

$355

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

jue. 8/14

3:44 pm-2:23 pm

2 stops21h 39m

Washington, D.C. Dulles Intl

dom. 8/17

12:55 pm-5:40 pm

3 stops29h 45m

$358

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

vie. 8/1

9:06 pm-8:58 pm

1 stop22h 52m

$99

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

sáb. 7/5

5:00 am-10:37 am

1 stop4h 37m

$239

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

vie. 7/11

12:45 pm-8:53 pm

3 stops31h 08m

$254

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

lun. 7/28

3:39 pm-8:55 pm

1 stop4h 16m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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 $309). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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.

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 junio 12, 2025.
Get a feel of what it's like to fly with United Airlines, Allegiant Air and American Airlines from Peoria to Washington, D.C. by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.
United Airlines
7.4
Good
8,790 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.
Allegiant Air
7.3
Good
725 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,790 reviews

Boarding

7.7

Food

6.6

Crew

8.1

Comfort

7.3

Overall

7.4

Entertainment

7.0

Reviews

1 / 20
6.0
Good

May,Apr 2024

EDI - IAD

The staff were pleasant. The food was awful. The earpods were so poor quality I could not enjoy any of the films on offer.

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.

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

    Currently priced at $249, American Airlines will fly you from Peoria, Illinois to Washington, D.C. Dulles Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Allegiant Air - these airlines can fly you to your destination from $300 and $355, respectively. American Airlines is currently priced 39% below the average price you’ll pay for this route.

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

    $99 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 American Airlines and United Airlines, with prices starting from $239 and $240, 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 $309). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $349). 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 Peoria?

Book flights to Peoria if you plan to visit one of these locations
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Sterling
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas

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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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Champaign to Baltimore flights
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$211Average$387FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$303FlexibilityNo cancel feeOn-time71%

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