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

American Airlines, at $249, was found to be the cheapest airline from Peoria, Illinois to Washington, D.C.. An alternate airline flying to your destination would be United Airlines. American Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.

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

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

In terms of precipitation, rainfall in Washington, D.C. 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. when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C., 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 are the most popular routes from Peoria, Illinois to Washington, D.C.?

Most travelers choose Greater Peoria - Washington, D.C. Reagan-National, Greater Peoria - Washington, D.C. Dulles Intl or Greater Peoria - Baltimore/Washington when deciding on the best route from Peoria, Illinois to Washington, D.C..

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

Travelers have found that booking a Monday departure is the best way to save up to 88% 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.?

Our data shows that April tends to be the cheapest month to fly to Washington, D.C. from Peoria, Illinois. Users have commonly found prices around $352 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 WAS?

A simple way to save on the total cost of your ticket is to fly from Peoria, Illinois to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight at noon.

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

Most people fly from Greater Peoria (PIA) if they book a flight from Peoria to Washington, D.C.. On average, Greater Peoria has 0 outbound flights to Washington, D.C. per day from 2 airlines. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.

Can I find deals for flights from Peoria to Washington, D.C. that include hotel bookings?

Yes. In addition to deals on Peoria to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Peoria to Washington, D.C.?

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

Can I find deals for business class flights from Peoria to Washington, D.C.?

Yes. Cheapflights offers flight deals from Peoria to Washington, D.C. 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 Peoria, IL to Washington, D.C.

Q: How much does it cost to fly round-trip from Peoria, Illinois to Washington, D.C.?

Airfare is below average for this route at the moment. Peoria, Illinois to Washington, D.C. flights typically cost between $301 and $379 in September. The cheapest round-trip price found within the last 3 days was $249 on American Airlines (Sep 27-Sep 30).

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Cheap flight deals from Peoria to Washington, D.C.

Round-trip from	$249 (American Airlines)
One-way from	$161 (United Airlines)
Popular in	March
Cheapest in	April
Average price	$332

From Greater Peoria to Washington, D.C. (WAS)

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One-way flight from Greater Peoria to Washington, D.C. (WAS)

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Highest demand for flights based on searches. 9% potential increase in price ($39 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 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 Peoria to Washington, D.C.

Cheapest flights from Peoria to Washington, D.C.
Explore the most affordable flight options available from Peoria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Sat 9/278:19 amPIA - IAD

1 stop4h 30mAmerican Airlines

Tue 9/305:40 pmIAD - PIA

1 stop6h 43mAmerican Airlines

Deal found 7/29

$249

Sat 9/136:00 amPIA - BWI

1 stop3h 53mAmerican Airlines

Sat 9/205:56 pmBWI - PIA

1 stop6h 15mAmerican Airlines

Deal found 7/29

$249

Sat 9/2710:39 amPIA - DCA

1 stop4h 50mAmerican Airlines

Tue 9/305:08 pmDCA - PIA

1 stop5h 28mAmerican Airlines

Deal found 7/29

$249

Thu 8/285:19 pmPIA - IAD

1 stop6h 13mUnited Airlines

Mon 9/13:55 pmIAD - PIA

1 stop7h 20mUnited Airlines

Deal found 7/29

$319

Thu 8/288:10 amPIA - DCA

1 stop5h 06mUnited Airlines

Mon 9/17:00 pmDCA - PIA

1 stop4h 15mUnited Airlines

Deal found 7/29

$319

Fri 9/269:14 pmPIA - BWI

3 stops24h 19mMultiple Airlines

Tue 9/305:45 amBWI - PIA

2 stops31h 51mMultiple Airlines

Deal found 7/29

$320

Wed 8/136:45 amPIA - BWI

1 stop6h 03mUnited Airlines

Sun 8/176:15 amBWI - PIA

1 stop5h 04mUnited Airlines

Deal found 7/29

$329

Sun 8/105:33 pmPIA - IAD

2 stops19h 50mMultiple Airlines

Fri 8/158:30 amIAD - PIA

2 stops10h 10mMultiple Airlines

Deal found 7/30

$431

Best flights from Peoria to Washington, D.C.
Discover carefully curated flight deals from Peoria to Washington, D.C. that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 30, 2025.

Sat 9/278:19 amPIA - IAD

1 stop4h 30mAmerican Airlines

Tue 9/305:40 pmIAD - PIA

1 stop6h 43mAmerican Airlines

Deal found 7/29

$249

Thu 8/285:19 pmPIA - IAD

1 stop6h 13mUnited Airlines

Mon 9/13:55 pmIAD - PIA

1 stop7h 20mUnited Airlines

Deal found 7/29

$319

Fri 9/269:14 pmPIA - BWI

3 stops24h 19mMultiple Airlines

Tue 9/305:45 amBWI - PIA

2 stops31h 51mMultiple Airlines

Deal found 7/29

$320

Sat 9/136:00 amPIA - BWI

1 stop3h 53mAmerican Airlines

Sat 9/205:56 pmBWI - PIA

1 stop6h 15mAmerican Airlines

Deal found 7/29

$249

Sat 9/2710:39 amPIA - DCA

1 stop4h 50mAmerican Airlines

Tue 9/305:08 pmDCA - PIA

1 stop5h 28mAmerican Airlines

Deal found 7/29

$249

Thu 8/288:10 amPIA - DCA

1 stop5h 06mUnited Airlines

Mon 9/17:00 pmDCA - PIA

1 stop4h 15mUnited Airlines

Deal found 7/29

$319

Wed 8/136:45 amPIA - BWI

1 stop6h 03mUnited Airlines

Sun 8/176:15 amBWI - PIA

1 stop5h 04mUnited Airlines

Deal found 7/29

$329

Sun 8/105:33 pmPIA - IAD

2 stops19h 50mMultiple Airlines

Fri 8/158:30 amIAD - PIA

2 stops10h 10mMultiple Airlines

Deal found 7/30

$431

Last-minute flights from Peoria to Washington, D.C.
Discover last-minute flight deals from Peoria to Washington, D.C.. Data last updated July 30, 2025 and is based on user searches.

Wed 8/64:15 pmPIA - IAD

1 stop5h 41mAmerican Airlines

Wed 8/1310:25 amIAD - PIA

1 stop7h 07mAmerican Airlines

Deal found 7/30

$284

Wed 8/64:15 pmPIA - DCA

1 stop5h 24mAmerican Airlines

Wed 8/132:15 pmDCA - PIA

1 stop4h 54mAmerican Airlines

Deal found 7/30

$284

Thu 8/76:45 amPIA - IAD

1 stop4h 10mUnited Airlines

Wed 8/133:39 pmIAD - PIA

1 stop6h 53mUnited Airlines

Deal found 7/29

$354

Thu 8/73:39 pmPIA - DCA

1 stop6h 03mUnited Airlines

Wed 8/136:25 amDCA - PIA

1 stop4h 54mUnited Airlines

Deal found 7/29

$354

Thu 8/76:45 amPIA - BWI

1 stop6h 03mUnited Airlines

Wed 8/136:15 amBWI - PIA

1 stop5h 04mUnited Airlines

Deal found 7/29

$404

Sat 8/910:07 amPIA - BWI

1 stop6h 43mAmerican Airlines

Fri 8/156:53 pmBWI - PIA

1 stop5h 09mAmerican Airlines

Deal found 7/29

$309

Sun 8/105:33 pmPIA - IAD

2 stops19h 50mMultiple Airlines

Fri 8/158:30 amIAD - PIA

2 stops10h 10mMultiple Airlines

Deal found 7/30

$431

Wed 8/136:45 amPIA - BWI

1 stop6h 03mUnited Airlines

Sun 8/176:15 amBWI - PIA

1 stop5h 04mUnited Airlines

Deal found 7/29

$329

Thu 8/145:00 amPIA - IAD

1 stop6h 48mAmerican Airlines

Mon 8/184:36 pmIAD - PIA

1 stop7h 26mAmerican Airlines

Deal found 7/30

$259

Thu 8/145:00 amPIA - BWI

1 stop4h 01mAmerican Airlines

Mon 8/186:53 pmBWI - PIA

1 stop5h 09mAmerican Airlines

Deal found 7/30

$259

Thu 8/145:00 amPIA - DCA

1 stop4h 58mAmerican Airlines

Mon 8/182:35 pmDCA - PIA

1 stop5h 35mAmerican Airlines

Deal found 7/30

$259

Thu 8/285:19 pmPIA - IAD

1 stop6h 13mUnited Airlines

Mon 9/13:55 pmIAD - PIA

1 stop7h 20mUnited Airlines

Deal found 7/29

$319

One-way flights from Peoria to Washington, D.C.
Search for one-way flight options from Peoria to Washington, D.C.. Find affordable one-way fares based on user searches. Data last updated July 30, 2025.

Sat 10/410:48 amPIA - IAD

1 stop4h 09mUnited Airlines

Deal found 7/29

$161

Sat 10/410:48 amPIA - DCA

1 stop5h 13mUnited Airlines

Deal found 7/29

$161

Sat 10/48:10 amPIA - BWI

1 stop4h 58mUnited Airlines

Deal found 7/29

$280

Wed 8/134:15 pmPIA - DCA

1 stop6h 18mAmerican Airlines

Deal found 7/29

$322

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 9/27

8:19 am-1:49 pm

1 stop4h 30m

Washington, D.C. Dulles Intl

Tue 9/30

5:40 pm-11:23 pm

1 stop6h 43m

$249

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Sat 9/13

6:00 am-10:53 am

1 stop3h 53m

Baltimore/Washington

Sat 9/20

5:56 pm-11:11 pm

1 stop6h 15m

$249

PeoriaWashington, D.C.

PIA - DCA

PIADCA

Greater Peoria

Sat 9/27

10:39 am-4:29 pm

1 stop4h 50m

Washington, D.C. Reagan-National

Tue 9/30

5:08 pm-9:36 pm

1 stop5h 28m

$249

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Thu 8/28

5:19 pm-12:32 am

1 stop6h 13m

Washington, D.C. Dulles Intl

Mon 9/1

3:55 pm-10:15 pm

1 stop7h 20m

$319

PeoriaWashington, D.C.

PIA - DCA

PIADCA

Greater Peoria

Thu 8/28

8:10 am-2:16 pm

1 stop5h 06m

Washington, D.C. Reagan-National

Mon 9/1

7:00 pm-10:15 pm

1 stop4h 15m

$319

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Fri 9/26

9:14 pm-10:33 pm

3 stops24h 19m

Baltimore/Washington

Tue 9/30

5:45 am-12:36 pm

2 stops31h 51m

$320

PeoriaBaltimore

PIA - BWI

PIABWI

Greater Peoria

Wed 8/13

6:45 am-1:48 pm

1 stop6h 03m

Baltimore/Washington

Sun 8/17

6:15 am-10:19 am

1 stop5h 04m

$329

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sun 8/10

5:33 pm-2:23 pm

2 stops19h 50m

Washington, D.C. Dulles Intl

Fri 8/15

8:30 am-5:40 pm

2 stops10h 10m

$431

PeoriaWashington, D.C.

PIA - IAD

PIAIAD

Greater Peoria

Sat 10/4

10:48 am-3:57 pm

1 stop4h 09m

$161

PeoriaWashington, D.C.

PIA - DCA

PIADCA

Greater Peoria

Sat 10/4

10:48 am-5:01 pm

1 stop5h 13m

$161

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 12 results

Best time to book a flight from Peoria to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Washington, D.C. (average of $241). Flying from Peoria, Illinois to Washington, D.C. in March is currently the most expensive (average of $290). 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.

How much does it cost to fly round-trip from Peoria, Illinois to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown United Airlines and American Airlines from Peoria to Washington, D.C.. 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

8,896 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

8,896 reviews

United Airlines

7.4

Good

8,896 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

8,896 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 from for flights from Peoria to Washington, D.C.?
Most people fly from Greater Peoria (PIA) if they book a flight from Peoria to Washington, D.C.. On average, Greater Peoria has 0 outbound flights to Washington, D.C. per day from 2 airlines. Greater Peoria is conveniently located just 6.0 mi from Peoria’s city center.
What are the cheapest airlines flying from Peoria, Illinois to Washington, D.C. round-trip?
American Airlines, at $249, was found to be the cheapest airline from Peoria, Illinois to Washington, D.C.. An alternate airline flying to your destination would be United Airlines. American Airlines is priced at 29% lower than the current average price of a flight leaving 3 months from now.
What are the most popular routes from Peoria, Illinois to Washington, D.C.?
Most travelers choose Greater Peoria - Washington, D.C. Reagan-National, Greater Peoria - Washington, D.C. Dulles Intl or Greater Peoria - Baltimore/Washington when deciding on the best route from Peoria, Illinois to Washington, D.C..
Can I find deals for flights from Peoria to Washington, D.C. that include hotel bookings?
Yes. In addition to deals on Peoria to Washington, D.C. flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Peoria to Washington, D.C.?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Peoria to Washington, D.C..
Can I find deals for business class flights from Peoria to Washington, D.C.?
Yes. Cheapflights offers flight deals from Peoria to Washington, D.C. 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.?
Currently, August is the cheapest month in which you can book a flight from Peoria, Illinois to Washington, D.C. (average of $241). Flying from Peoria, Illinois to Washington, D.C. in March is currently the most expensive (average of $290). 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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Tysons

Silver Spring

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Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

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Rockville

Oxon Hill

National Harbor

Dundalk

Bowie

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Top 2 airlines flying from Peoria to Washington, D.C.

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$198	Average$335	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$211	Average$342	FlexibilityNo cancel fee	On-time69%

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$161+ Cheap flights from Peoria, IL (PIA) to Washington, D.C. (WAS)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.

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Find flight deals from Peoria to Washington, D.C.

Cheapest flights from Peoria to Washington, D.C.Explore the most affordable flight options available from Peoria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Explore the most affordable flight options available from Peoria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Peoria to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Peoria with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Peoria to Washington, D.C.

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

How much does it cost to fly round-trip from Peoria, Illinois to Washington, D.C.?

Reviews of airlines servicing Washington, D.C.

Read reviews from past customers who have flown United Airlines and American Airlines from Peoria to Washington, D.C.. 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.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Washington, D.C.. 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.?

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

What are the most popular routes from Peoria, Illinois to Washington, D.C.?

Can I find deals for flights from Peoria to Washington, D.C. that include hotel bookings?

How can I find direct flights from Peoria to Washington, D.C.?

Can I find deals for business class flights from Peoria to Washington, D.C.?

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

Traveling to a place near Washington, D.C.?

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Alternative routes for Peoria to Washington, D.C.

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Top 2 airlines flying from Peoria to Washington, D.C.

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Cheapest flights from Peoria to Washington, D.C.
Explore the most affordable flight options available from Peoria to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.