HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Peoria

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

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — PIA
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Peoria with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Peoria

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Peoria (PIA). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$319
(United Airlines)

Popular in

June

Cheapest in

March

Average price

$409
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Greater Peoria flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Greater Peoria flights.
Search Deals
From Washington, D.C. Dulles Intl to Greater Peoria
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2025
Search Deals

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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/18. 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.
Tue 3/2512:55 pmIAD - PIA
1 stop4h 47mUnited Airlines
Thu 3/272:22 pmPIA - IAD
1 stop5h 51mUnited Airlines
Deal found 2/18$319
This American Airlines deal was found by Cheapflights users on 2/18. 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 3/256:27 amIAD - PIA
2 stops9h 34mAmerican Airlines
Thu 3/276:23 amPIA - IAD
1 stop8h 57mAmerican Airlines
Deal found 2/18$324
This Mytrip deal was found by Cheapflights users on 2/18. 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.
Fri 4/410:07 amIAD - PIA
1 stop25h 44mMultiple Airlines
Fri 4/116:59 pmPIA - IAD
3 stops44h 16mMultiple Airlines
Deal found 2/18$442

Find flights from Dulles Intl to Peoria within your budget

Customize your flight search to find flights from Dulles Intl to Peoria 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 February 20, 2025.

Fly from

Dulles Intl

Fly to

Peoria

Route

Depart

Return

Price

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 3/25

12:55 pm-4:42 pm

1 stop4h 47m

Greater Peoria

Thu 3/27

2:22 pm-9:13 pm

1 stop5h 51m

$319

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Tue 3/25

6:27 am-3:01 pm

2 stops9h 34m

Greater Peoria

Thu 3/27

6:23 am-4:20 pm

1 stop8h 57m

$324

Washington, D.C.Peoria

IAD - PIA

IADPIA

Washington, D.C. Dulles Intl

Fri 4/4

10:07 am-10:51 am

1 stop25h 44m

Greater Peoria

Fri 4/11

6:59 pm-4:15 pm

3 stops44h 16m

$442

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Peoria, Illinois flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Peoria, Illinois flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Peoria, Illinois flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Peoria, Illinois 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 Washington, D.C. Dulles Intl Airport-Peoria, Illinois 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 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.

Travel insights for flights from Dulles Intl to Peoria

Get recent, data-driven insights about flights from Dulles Intl to Peoria including ideal travel times, pricing trends, and more.

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

Find hourly flight availability from Dulles Intl to Peoria. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

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.

Rainfall in Peoria by month

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

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.

Temperature in Peoria by month

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

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).

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 February 20, 2025.
United Airlines
7.4
Good
8,768 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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
8,768 reviews
United Airlines
7.4
Good
8,768 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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
8,768 reviews

Boarding

7.7

Comfort

7.3

Overall

7.4

Entertainment

7.1

Food

6.7

Crew

8.1

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

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?

    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 ($319), and American Airlines ($324) 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 May is currently the most expensive (average of $446). 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

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.
Dulles Intl to O'Hare Intl flights
Baltimore to O'Hare Intl flights
Reagan-National to O'Hare Intl flights
Baltimore to Midway flights
Dulles Intl to Midway flights
Reagan-National to Midway flights
Dulles Intl to St. Louis flights
Reagan-National to St. Louis flights
Baltimore to St. Louis flights
Dulles Intl to Moline flights
Baltimore to Moline flights
Reagan-National to Moline flights
Baltimore to Peoria flights
Reagan-National to Peoria flights
Baltimore to Bloomington flights
Baltimore to Decatur flights
Reagan-National to Bloomington flights
Dulles Intl to Bloomington flights
Reagan-National to Champaign flights
Dulles Intl to Evansville flights
Baltimore to Champaign flights
Reagan-National to Springfield flights
Reagan-National to Evansville flights
Dulles Intl to Springfield flights
Baltimore to Dubuque flights
Baltimore to Springfield flights
Baltimore to Evansville flights
Reagan-National to Dubuque flights
Dulles Intl to Dubuque flights
Dulles Intl to Champaign flights
Baltimore to Paducah flights
Dulles Intl to Marion flights
Dulles Intl to Paducah flights
Reagan-National to Paducah flights
Baltimore to Burlington flights
Baltimore to Quincy flights

Top airline flying from Dulles Intl to Peoria

Discover the top airline that operate flights from Dulles Intl to Peoria. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$318Average$535FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.