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.

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.

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).

What is the cheapest time of day to fly from PIA to IAD?

When flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

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.

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.

$249+ Flights from Peoria, IL to Washington, D.C. Dulles Intl Airport

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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 December 31, 2025.

Tue 12/305:19 pmPIA - IAD

1 stop5h 56mUnited Airlines

Fri 1/26:30 amIAD - PIA

1 stop6h 50mUnited Airlines

Deal found 12/29

$394

Mon 12/295:19 pmPIA - IAD

1 stop5h 56mUnited Airlines

Sun 1/45:31 pmIAD - PIA

1 stop5h 08mUnited Airlines

Deal found 12/28

$524

Best flights from Peoria to Dulles Intl
Discover carefully curated flight deals from Peoria to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 31, 2025.

Wed 2/1810:46 amPIA - IAD

1 stop5h 44mUnited Airlines

Sun 2/228:15 amIAD - PIA

1 stop6h 55mUnited Airlines

Deal found 12/28

$259

Sat 1/175:29 pmPIA - IAD

1 stop5h 13mAmerican Airlines

Mon 1/261:08 pmIAD - PIA

1 stop4h 51mAmerican Airlines

Deal found 12/29

$259

Thu 4/166:30 amPIA - IAD

1 stop4h 18mUnited Airlines

Tue 5/51:05 pmIAD - PIA

1 stop4h 39mUnited Airlines

Deal found 12/29

$269

Sat 3/285:25 pmPIA - IAD

1 stop5h 56mUnited Airlines

Fri 4/36:15 amIAD - PIA

1 stop4h 47mUnited Airlines

Deal found 12/29

$269

Fri 2/201:25 pmPIA - IAD

1 stop6h 53mUnited Airlines

Sun 2/228:15 amIAD - PIA

1 stop6h 55mUnited Airlines

Deal found 12/29

$269

Fri 1/231:24 pmPIA - IAD

1 stop6h 53mUnited Airlines

Sun 1/258:20 amIAD - PIA

1 stop7h 03mUnited Airlines

Deal found 12/30

$269

Thu 2/192:51 pmPIA - IAD

1 stop5h 27mUnited Airlines

Sun 2/228:15 amIAD - PIA

1 stop5h 28mUnited Airlines

Deal found 12/29

$269

Last-minute flights from Peoria to Dulles Intl
Discover last-minute flight deals from Peoria to Dulles Intl. Data last updated December 31, 2025 and is based on user searches.

Fri 1/25:19 pmPIA - IAD

1 stop5h 56mUnited Airlines

Sun 1/46:30 amIAD - PIA

1 stop6h 50mUnited Airlines

Deal found 12/31

$369

Thu 1/81:24 pmPIA - IAD

1 stop6h 53mUnited Airlines

Tue 1/138:20 amIAD - PIA

1 stop5h 18mUnited Airlines

Deal found 12/30

$379

Tue 1/135:29 pmPIA - IAD

1 stop4h 43mAmerican Airlines

Sat 1/175:46 pmIAD - PIA

1 stop7h 08mAmerican Airlines

Deal found 12/29

$279

Tue 1/131:24 pmPIA - IAD

1 stop6h 53mUnited Airlines

Sat 1/178:20 amIAD - PIA

1 stop5h 18mUnited Airlines

Deal found 12/29

$349

Sat 1/175:29 pmPIA - IAD

1 stop5h 13mAmerican Airlines

Mon 1/261:08 pmIAD - PIA

1 stop4h 51mAmerican Airlines

Deal found 12/31

$259

Sat 1/171:24 pmPIA - IAD

1 stop6h 53mUnited Airlines

Tue 1/208:20 amIAD - PIA

1 stop5h 18mUnited Airlines

Deal found 12/30

$319

Fri 1/231:24 pmPIA - IAD

1 stop6h 53mUnited Airlines

Sun 1/258:20 amIAD - PIA

1 stop7h 03mUnited Airlines

Deal found 12/30

$269

Fri 1/2311:15 amPIA - IAD

1 stop9h 02mAmerican Airlines

Sun 1/251:08 pmIAD - PIA

2 stops9h 35mAmerican Airlines

Deal found 12/30

$385

One-way flights from Peoria to Dulles Intl
Search for one-way flight options from Peoria to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 31, 2025.

Thu 1/226:30 amPIA - IAD

1 stop4h 16mUnited Airlines

Deal found 12/29

$249

Thu 1/227:00 amPIA - IAD

2 stops9h 16mAmerican Airlines

Deal found 12/29

$254

Thu 4/1612:12 pmPIA - IAD

2 stops10h 47mAmerican Airlines

Deal found 12/29

$285

Thu 1/229:12 amPIA - IAD

3 stops25h 11mMultiple Airlines

Deal found 12/29

$322

Thu 4/169:05 amPIA - IAD

3 stops32h 10mMultiple Airlines

Deal found 12/29

$371

Thu 1/810:45 amPIA - IAD

1 stop4h 15mUnited Airlines

Deal found 12/30

$390

Fri 4/176:12 pmPIA - IAD

3 stops40h 41mAllegiant Air

Deal found 12/29

$423

Find flight deals from Peoria to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$259 (American Airlines)
One-way from	$249 (United Airlines)
Popular in	March
Cheapest in	April
Average price	$263

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. 11% potential increase in price ($44 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Wed 2/18

10:46 am-5:30 pm

1 stop5h 44m

Washington, D.C. Dulles Intl

Sun 2/22

8:15 am-2:10 pm

1 stop6h 55m

$259

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

1:08 pm-4:59 pm

1 stop4h 51m

$259

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 4/16

6:30 am-11:48 am

1 stop4h 18m

Washington, D.C. Dulles Intl

Tue 5/5

1:05 pm-4:44 pm

1 stop4h 39m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 3/28

5:25 pm-12:21 am

1 stop5h 56m

Washington, D.C. Dulles Intl

Fri 4/3

6:15 am-10:02 am

1 stop4h 47m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 2/20

1:25 pm-9:18 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Sun 2/22

8:15 am-2:10 pm

1 stop6h 55m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Fri 1/23

1:24 pm-9:17 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Sun 1/25

8:20 am-2:23 pm

1 stop7h 03m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 2/19

2:51 pm-9:18 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

Sun 2/22

8:15 am-12:43 pm

1 stop5h 28m

$269

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 1/22

6:30 am-11:46 am

1 stop4h 16m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 4/16

7:00 am-5:05 pm

1 stop9h 05m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 1/22

11:15 am-9:17 pm

1 stop9h 02m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/29

Showing 1-10 of 14 results

Compare providers for flights from Peoria to Dulles Intl

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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, January 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

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

9,124 reviews

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

9,124 reviews

United Airlines

7.4

Good

9,124 reviews

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

11,074 reviews

United Airlines

7.4

Good

9,124 reviews

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

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 31m. 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.
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, January 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

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Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Peoria to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$211	Average$318	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$258	Average$303	FlexibilityNo cancel fee	On-time71%

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$249+ 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Peoria to Dulles Intl with Cheapflights

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2. Select your favorite providers

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Cheap flight deals from Peoria to Dulles Intl

Cheapest flights from Peoria to Dulles IntlExplore 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 December 31, 2025.

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 December 31, 2025.

Find flight deals from Peoria to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Peoria to Washington, D.C. Dulles Intl Airport that are best for you.

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 December.

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.

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?

Reviews of airlines servicing Dulles Intl

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.

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?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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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.

Top 2 airlines flying from Peoria to Dulles Intl

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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 December 31, 2025.