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

According to our current data, United Airlines ($249), and American Airlines ($279) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Peoria, Illinois.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Peoria, Illinois (average of $318). Flying from Washington, D.C. Dulles Intl Airport to Peoria, Illinois in October is currently the most expensive (average of $428). 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.

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Peoria, Illinois flight should consider departing on Saturday mornings 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.

In terms of precipitation, rainfall in Peoria, Illinois ranges from 1.8 - 4.3 inches per month. May is typically the wettest month, when rainfall can reach 4.3 in. January is typically the driest time to visit Peoria, Illinois when rainfall is around 1.8 in.

If weather is an important factor for your trip to Peoria, Illinois, 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 75.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 24.8 F).

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

Monday flights are found to be more expensive to fly from Washington, D.C. Dulles Intl Airport to Peoria, Illinois. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Peoria, Illinois.

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

Flights from Washington, D.C. Dulles Intl Airport to Peoria, Illinois lean towards being more expensive in July. Prices are generally better when you fly from Washington, D.C. Dulles Intl Airport to Peoria, Illinois in May, with the cheapest ticket starting at $283.

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

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Dulles Intl Airport to Peoria, Illinois at noon. If you’re flexible enough to do this you can expect to save up to 16% on your trip compared to booking a flight in the morning.

What airport do you fly into for flights to Peoria from Washington, D.C. Dulles Intl?

Most people fly into Greater Peoria (PIA) if they book a flight to Peoria from Washington, D.C. Dulles Intl. On average, Greater Peoria has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.

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

Yes. In addition to deals on Dulles Intl to Peoria flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Peoria.

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

Yes. Cheapflights offers flight deals from Dulles Intl to Peoria by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$161+ Flights from Washington, D.C. Dulles Intl Airport to Peoria, IL

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Cheap flight deals from Dulles Intl to Peoria

Round-trip from	$249 (United Airlines)
One-way from	$161 (American Airlines)
Popular in	July
Cheapest in	May
Average price	$399

From Washington, D.C. Dulles Intl to Greater Peoria

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One-way flight from Washington, D.C. Dulles Intl to Greater Peoria

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Highest demand for flights based on searches. 2% potential increase in price ($7 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Dulles Intl to Peoria

Cheapest flights from Dulles Intl to Peoria
Explore the most affordable flight options available from Dulles Intl to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Wed 7/238:06 pmIAD - PIA

1 stop5h 06mAmerican Airlines

Wed 7/305:00 amPIA - IAD

1 stop6h 49mAmerican Airlines

Deal found 7/2

$249

Sat 8/96:35 amIAD - PIA

1 stop4h 44mUnited Airlines

Fri 8/156:45 amPIA - IAD

1 stop4h 10mUnited Airlines

Deal found 7/1

$319

Thu 7/1011:58 amIAD - PIA

2 stops24h 57mMultiple Airlines

Sun 7/139:07 amPIA - IAD

3 stops25h 13mMultiple Airlines

Deal found 7/2

$697

Best flights from Dulles Intl to Peoria
Discover carefully curated flight deals from Dulles Intl to Peoria that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 2, 2025.

Wed 8/205:10 pmIAD - PIA

1 stop6h 05mUnited Airlines

Sun 8/246:55 amPIA - IAD

1 stop4h 00mUnited Airlines

Deal found 6/30

$249

Wed 7/235:39 pmIAD - PIA

1 stop7h 33mAmerican Airlines

Wed 7/304:11 pmPIA - IAD

1 stop6h 47mAmerican Airlines

Deal found 6/30

$279

Last-minute flights from Dulles Intl to Peoria
Discover last-minute flight deals from Dulles Intl to Peoria. Data last updated July 2, 2025 and is based on user searches.

Thu 7/106:35 amIAD - PIA

1 stop4h 44mUnited Airlines

Sun 7/135:25 pmPIA - IAD

2 stops12h 54mUnited Airlines

Deal found 7/2

$498

Thu 7/1011:58 amIAD - PIA

2 stops24h 57mMultiple Airlines

Sun 7/139:07 amPIA - IAD

3 stops25h 13mMultiple Airlines

Deal found 7/2

$697

Fri 7/118:06 pmIAD - PIA

1 stop5h 06mAmerican Airlines

Sun 7/135:00 amPIA - IAD

1 stop6h 49mAmerican Airlines

Deal found 7/2

$589

Wed 7/238:06 pmIAD - PIA

1 stop5h 06mAmerican Airlines

Wed 7/305:00 amPIA - IAD

1 stop6h 49mAmerican Airlines

Deal found 7/2

$249

Sat 8/96:35 amIAD - PIA

1 stop4h 44mUnited Airlines

Fri 8/155:25 pmPIA - IAD

1 stop6h 05mUnited Airlines

Deal found 7/2

$319

One-way flights from Dulles Intl to Peoria
Search for one-way flight options from Dulles Intl to Peoria. Find affordable one-way fares based on user searches. Data last updated July 2, 2025.

Sat 8/28:06 pmIAD - PIA

1 stop5h 06mAmerican Airlines

Deal found 7/2

$161

Mon 8/45:40 pmIAD - PIA

3 stops21h 10mMultiple Airlines

Deal found 7/2

$187

Sun 8/36:35 amIAD - PIA

1 stop4h 44mUnited Airlines

Deal found 7/2

$239

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Wed 7/23

8:06 pm-12:12 am

1 stop5h 06m

Greater Peoria

Wed 7/30

5:00 am-12:49 pm

1 stop6h 49m

$249

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 8/9

6:35 am-10:19 am

1 stop4h 44m

Greater Peoria

Fri 8/15

6:45 am-11:55 am

1 stop4h 10m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sat 8/2

8:06 pm-12:12 am

1 stop5h 06m

$161

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Mon 8/4

5:40 pm-1:50 pm

3 stops21h 10m

$187

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Sun 8/3

6:35 am-10:19 am

1 stop4h 44m

$239

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Best time to book a flight from Dulles Intl to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Dulles Intl 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.

Reviews of airlines servicing Peoria

Get a feel of what it's like to fly with United Airlines and American Airlines from Washington, D.C. Dulles Intl Airport to Peoria by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines

7.4

Good

8,861 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,861 reviews

Reviews

1 / 20

2.0

Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

What airport do you fly into for flights to Peoria from Washington, D.C. Dulles Intl?
Most people fly into Greater Peoria (PIA) if they book a flight to Peoria from Washington, D.C. Dulles Intl. On average, Greater Peoria has 0 inbound flights from Washington, D.C. Dulles Intl per day from 1 airline. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Peoria, Illinois round-trip?
According to our current data, United Airlines ($249), and American Airlines ($279) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Peoria, Illinois.
Can I find deals for flights from Dulles Intl to Peoria that include hotel bookings?
Yes. In addition to deals on Dulles Intl to Peoria flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dulles Intl to Peoria?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Peoria.
Can I find deals for business class flights from Dulles Intl to Peoria?
Yes. Cheapflights offers flight deals from Dulles Intl to Peoria 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 Washington, D.C. Dulles Intl Airport to Peoria, Illinois?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Peoria, Illinois (average of $318). Flying from Washington, D.C. Dulles Intl Airport to Peoria, Illinois in October is currently the most expensive (average of $428). 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

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Dulles Intl to Peoria

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$349	Average$553	FlexibilityNo cancel fee	On-time69%

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$161+ Cheap flights from Dulles Intl (IAD) to Peoria, IL (PIA)

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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Peoria with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Dulles Intl to Peoria

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Peoria

Cheapest flights from Dulles Intl to PeoriaExplore the most affordable flight options available from Dulles Intl to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Explore the most affordable flight options available from Dulles Intl to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Dulles Intl to Peoria

Have a flexible travel schedule? Discover the best time to fly to Peoria from Dulles Intl with our price prediction graph.

Reviews of airlines servicing Peoria

Get insights into the airlines that provide service to Peoria. 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 Peoria. Reviews last updated July 2, 2025.

Get a feel of what it's like to fly with United Airlines and American Airlines from Washington, D.C. Dulles Intl Airport to Peoria by reading reviews from past customers. Users have also rated airlines 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 Dulles Intl to Peoria. 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 into for flights to Peoria from Washington, D.C. Dulles Intl?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dulles Intl to Peoria

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Dulles Intl to Peoria

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Cheapest flights from Dulles Intl to Peoria
Explore the most affordable flight options available from Dulles Intl to Peoria. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 2, 2025.