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

Currently priced at $319, Allegiant Air will fly you from Peoria, Illinois to Washington, D.C. Dulles Intl Airport and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $407 and $445, respectively. Allegiant Air is currently priced 22% below the average price you’ll pay for this route.

What is the cheapest day to fly from Peoria, Illinois to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Peoria, Illinois to Washington, D.C. Dulles Intl Airport flight should consider departing on Saturday afternoons when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from Peoria, Illinois to Washington, D.C. Dulles Intl Airport?

Travelers have found that booking a Monday departure is the best way to save up to 98% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

Our data shows that April tends to be the cheapest month to fly to Washington, D.C. Dulles Intl Airport from Peoria, Illinois. Users have commonly found prices around $353 for the month, but tickets can be as low as $248. Due to multiple factors, prepare for potentially higher prices in March.

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

It’s optimal to fly from Peoria, Illinois to Washington, D.C. Dulles Intl Airport at noon. By choosing this option you can save up to 22% on the cost of your flight, compared to a flight in the morning.

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.

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.

$319+ Flights from Peoria, IL to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Peoria to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$319 (Mytrip)
Popular in	January
Cheapest in	April
Average price	$325

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

Highest demand for flights based on searches. 8% potential increase in price ($36 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 8% potential price decrease ($32 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 28, 2025.

Thu 4/106:07 pmPIA - IAD

3 stops21h 08mMultiple Airlines

Mon 4/1410:07 amIAD - PIA

1 stop23h 14mMultiple Airlines

Deal found 3/26

$384

Mon 5/55:25 pmPIA - IAD

1 stop5h 34mUnited Airlines

Fri 5/96:22 amIAD - PIA

1 stop4h 50mUnited Airlines

Deal found 3/26

$407

Sat 5/314:18 pmPIA - IAD

1 stop6h 44mAmerican Airlines

Thu 6/56:55 amIAD - PIA

1 stop18h 04mAmerican Airlines

Deal found 3/26

$445

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 March 28, 2025.

Sun 6/85:38 pmPIA - IAD

2 stops19h 45mAllegiant Air

Sun 6/299:21 amIAD - PIA

1 stop23h 23mAllegiant Air

Deal found 3/27

$319

Sun 6/85:38 pmPIA - IAD

2 stops19h 45mMultiple Airlines

Sun 6/2912:55 pmIAD - PIA

3 stops27h 03mMultiple Airlines

Deal found 3/27

$384

Mon 5/55:25 pmPIA - IAD

1 stop5h 34mUnited Airlines

Fri 5/96:22 amIAD - PIA

1 stop4h 50mUnited Airlines

Deal found 3/27

$407

Sat 5/314:18 pmPIA - IAD

1 stop6h 44mAmerican Airlines

Thu 6/56:55 amIAD - PIA

1 stop18h 04mAmerican Airlines

Deal found 3/27

$445

Last-minute flights from Peoria to Dulles Intl
Discover last-minute flight deals from Peoria to Dulles Intl. Data last updated March 28, 2025 and is based on user searches.

Sun 4/66:50 amPIA - IAD

1 stop3h 54mUnited Airlines

Tue 4/812:55 pmIAD - PIA

1 stop4h 51mUnited Airlines

Deal found 3/27

$723

Thu 4/106:07 pmPIA - IAD

3 stops21h 08mMultiple Airlines

Mon 4/1410:07 amIAD - PIA

1 stop23h 14mMultiple Airlines

Deal found 3/26

$384

Thu 4/176:21 amPIA - IAD

2 stops12h 20mAmerican Airlines

Sun 4/275:00 amIAD - PIA

2 stops12h 45mAmerican Airlines

Deal found 3/27

$578

Wed 4/236:50 amPIA - IAD

1 stop3h 54mUnited Airlines

Wed 4/305:10 pmIAD - PIA

1 stop5h 23mUnited Airlines

Deal found 3/26

$407

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

Sun 6/8

5:38 pm-2:23 pm

2 stops19h 45m

Washington, D.C. Dulles Intl

Sun 6/29

9:21 am-7:44 am

1 stop23h 23m

$319

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sun 6/8

5:38 pm-2:23 pm

2 stops19h 45m

Washington, D.C. Dulles Intl

Sun 6/29

12:55 pm-2:58 pm

3 stops27h 03m

$384

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Mon 5/5

5:25 pm-11:59 pm

1 stop5h 34m

Washington, D.C. Dulles Intl

Fri 5/9

6:22 am-10:12 am

1 stop4h 50m

$407

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 5/31

4:18 pm-12:02 am

1 stop6h 44m

Washington, D.C. Dulles Intl

Thu 6/5

6:55 am-11:59 pm

1 stop18h 04m

$445

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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 $309). Flying from Peoria, Illinois to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $385). 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

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

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

United Airlines

7.4

Good

8,603 reviews

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

8,603 reviews

United Airlines

7.4

Good

8,603 reviews

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

731 reviews

United Airlines

7.4

Good

8,603 reviews

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

8,603 reviews

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

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 $319, Allegiant Air will fly you from Peoria, Illinois to Washington, D.C. Dulles Intl Airport and back. In addition to Allegiant Air, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $407 and $445, respectively. Allegiant Air is currently priced 22% below the average price you’ll pay for this route.
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 June is currently the most expensive (average of $385). 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.

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Top 2 airlines flying from Peoria to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$211	Average$389	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$258	Average$303	FlexibilityNo cancel fee	On-time71%

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$319+ Cheap flights from Peoria, IL (PIA) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/8. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Peoria to Dulles Intl

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find 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 March 28, 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 March 28, 2025.

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 March.

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?

Rainfall in Dulles Intl by month

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

Temperature in Dulles Intl by month

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

Reviews of airlines servicing Dulles Intl

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?

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 Peoria?

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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 March 28, 2025.