HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Delaware

$269+ Cheap flights from Peoria, IL (PIA) to Delaware

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
PIA — ILG
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Peoria to Delaware 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 Peoria to Delaware

Cheapest flights from Peoria to Delaware
Explore the most affordable flight options available from Peoria to Delaware. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This United Airlines deal was found by Cheapflights users on 2/4. 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.
Thu 3/55:25 pm
PIA
-
PHL
1 stop5h 51m
United Airlines
Sun 3/86:30 am
PHL
-
PIA
1 stop4h 33m
United Airlines
Deal found 2/4$269
This United Airlines deal was found by Cheapflights users on 2/2. 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 2/171:25 pm
PIA
-
PHL
1 stop6h 44m
United Airlines
Sat 2/216:27 am
PHL
-
PIA
1 stop7h 16m
United Airlines
Deal found 2/2$279
This United Airlines deal was found by Cheapflights users on 2/4. 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.
Fri 2/1310:46 am
PIA
-
PHL
1 stop5h 28m
United Airlines
Sat 2/148:02 am
PHL
-
PIA
1 stop5h 41m
United Airlines
Deal found 2/4$339
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 2/202:51 pm
PIA
-
PHL
1 stop7h 00m
United Airlines
Sun 3/16:27 am
PHL
-
PIA
1 stop7h 16m
United Airlines
Deal found 2/3$344
This United Airlines deal was found by Cheapflights users on 2/2. 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.
Wed 2/1810:46 am
PIA
-
PHL
1 stop5h 28m
United Airlines
Sat 2/216:27 am
PHL
-
PIA
1 stop4h 44m
United Airlines
Deal found 2/2$349
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Wed 2/1810:46 am
PIA
-
PHL
2 stops22h 02m
United Airlines
Sun 2/226:27 am
PHL
-
PIA
1 stop4h 44m
United Airlines
Deal found 2/3$443
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Fri 5/88:20 pm
PIA
-
PHL
2 stops21h 38m
United Airlines
Sun 5/106:34 pm
PHL
-
PIA
1 stop4h 55m
United Airlines
Deal found 2/3$448
This United Airlines deal was found by Cheapflights users on 2/3. 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 6/95:38 pm
PIA
-
PHL
1 stop6h 07m
United Airlines
Thu 6/116:45 pm
PHL
-
PIA
1 stop6h 29m
United Airlines
Deal found 2/3$567

Find flight deals from Peoria to Delaware

Keep the following information in mind while searching for Peoria to Delaware flight deals. Data was last updated February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$269
(United Airlines)

Popular in

October

Cheapest in

February

Average price

$268
Provider with most accurate pricing for Greater Peoria-Philadelphia flight deals.
Search Deals
Provider most trusted by Cheapflights users for Greater Peoria-Philadelphia flights.
Search Deals
From Greater Peoria to Delaware
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($24 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Peoria to Delaware 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 5, 2026.
Use the filters below to find and compare flights from Peoria to Delaware that are best for you.

Fly from

Peoria

Fly to

Delaware

Route

Depart

Return

Price

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Fri 5/8

5:25 pm-12:45 am

1 stop6h 20m

Philadelphia

Sun 5/10

6:10 am-9:59 am

1 stop4h 49m

$269

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Thu 3/5

5:25 pm-12:16 am

1 stop5h 51m

Philadelphia

Sun 3/8

6:30 am-10:03 am

1 stop4h 33m

$269

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Tue 2/17

1:25 pm-9:09 pm

1 stop6h 44m

Philadelphia

Sat 2/21

6:27 am-12:43 pm

1 stop7h 16m

$279

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Wed 2/18

10:46 am-5:14 pm

1 stop5h 28m

Philadelphia

Sun 2/22

6:27 am-12:43 pm

1 stop7h 16m

$279

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Fri 2/20

2:51 pm-9:09 pm

1 stop5h 18m

Philadelphia

Sun 3/1

6:27 am-12:43 pm

1 stop7h 16m

$344

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Wed 2/18

10:46 am-5:14 pm

1 stop5h 28m

Philadelphia

Sat 2/21

8:02 am-12:43 pm

1 stop5h 41m

$349

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Wed 2/11

6:30 am-12:07 pm

1 stop4h 37m

$367

PeoriaPhiladelphia

PIA - PHL

PIAPHL

Greater Peoria

Thu 2/12

2:51 pm-10:51 pm

1 stop7h 00m

$390

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Best time to book a flight from Peoria to Delaware

Have a flexible travel schedule? Discover the best time to fly to Delaware 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 Delaware
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Peoria to Delaware. 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 Delaware?

    Located just 6.0 mi from the city center, Greater Peoria (PIA) is the airport most travelers will use when flying to Delaware from Peoria.

  • How long is the flight from Peoria, Illinois to Delaware?

    United Airlines can get you from Peoria, Illinois to Delaware in just under 6h 20m. Your travel time can differ by up to . Airlines will cover a distance of 763 mi.

  • Can I find deals for flights from Peoria to Delaware that include hotel bookings?

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

  • How can I find direct flights from Peoria to Delaware?

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

  • Can I find deals for business class flights from Peoria to Delaware?

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

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 Peoria to Delaware

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Sky Harbor Intl flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to Las Vegas flights
O'Hare Intl to Los Angeles flights
O'Hare Intl to Orlando flights
O'Hare Intl to Fort Lauderdale flights
O'Hare Intl to Miami flights
O'Hare Intl to John F Kennedy Intl flights
O'Hare Intl to Denver flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Tampa flights
Midway to Dallas/Fort Worth flights
O'Hare Intl to Newark flights
Midway to Miami flights
O'Hare Intl to San Francisco flights
O'Hare Intl to Fort Myers flights
O'Hare Intl to Atlanta flights
O'Hare Intl to Santa Ana flights
O'Hare Intl to Seattle flights
Midway to Los Angeles flights
O'Hare Intl to San Diego flights
O'Hare Intl to Ontario flights
Midway to Sky Harbor Intl flights
O'Hare Intl to Hobby flights
Midway to Las Vegas flights
O'Hare Intl to New Orleans flights
O'Hare Intl to West Palm Beach flights
O'Hare Intl to Austin flights
Midway to Orlando flights
O'Hare Intl to Sarasota flights
Midway to Fort Lauderdale flights
O'Hare Intl to Baltimore flights
O'Hare Intl to Dulles Intl flights
O'Hare Intl to Nashville flights
O'Hare Intl to George Bush Intcntl flights
O'Hare Intl to Reagan-National flights
O'Hare Intl to Honolulu flights
O'Hare Intl to Love Field flights
St. Louis to Las Vegas flights
Midway to LaGuardia flights
Midway to Newark flights
O'Hare Intl to Boston flights
Midway to John F Kennedy Intl flights
O'Hare Intl to Philadelphia flights
O'Hare Intl to Palm Springs flights
St. Louis to Orlando flights
Midway to Fort Myers flights
Midway to Tampa flights
Midway to Hobby flights
O'Hare Intl to Burbank flights

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.
Site
©2026 Cheapflights