HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$140+ Cheap flights from Erie (ERI) to Illinois

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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Erie to Illinois 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 Erie to Illinois

Cheapest flights from Erie to Illinois
Explore the most affordable flight options available from Erie to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.

This United Airlines deal was found by Cheapflights users on 6/13. 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 11/37:00 pm
ERI
-
ORD
Nonstop2h 00m
United Airlines
Tue 11/109:30 pm
ORD
-
ERI
Nonstop1h 40m
United Airlines
Deal found 6/13$239
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:02 pm
ERI
-
ORD
1 stop27h 12m
Multiple Airlines
Tue 9/15:30 pm
ORD
-
ERI
1 stop25h 52m
Multiple Airlines
Deal found 6/10$275
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:02 pm
ERI
-
ORD
1 stop27h 12m
Multiple Airlines
Tue 9/15:30 pm
ORD
-
ERI
1 stop25h 52m
Multiple Airlines
Deal found 6/13$295
This United Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 10/317:00 pm
ERI
-
ORD
Nonstop2h 00m
United Airlines
Wed 11/49:30 pm
ORD
-
ERI
Nonstop1h 40m
United Airlines
Deal found 6/9$309
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Wed 7/16:28 am
ERI
-
ORD
Nonstop2h 00m
American Airlines
Tue 7/79:21 pm
ORD
-
ERI
Nonstop1h 38m
American Airlines
Deal found 6/12$339
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sat 7/256:15 am
ERI
-
ORD
Nonstop2h 01m
American Airlines
Sat 8/19:33 pm
ORD
-
ERI
Nonstop1h 38m
American Airlines
Deal found 6/10$340
This American Airlines deal was found by Cheapflights users on 6/12. 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 10/205:43 pm
ERI
-
ORD
1 stop4h 43m
American Airlines
Sat 10/248:55 pm
ORD
-
ERI
Nonstop1h 20m
American Airlines
Deal found 6/12$348

Find flight deals from Erie to Illinois

Keep the following information in mind while searching for Erie to Illinois flight deals. Data was last updated June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(United Airlines)

One-way from

$140
(American Airlines)

Good round-trip deal

$558 or less
Provider with most accurate pricing for Erie-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Erie-Chicago (CHI) flights.
Search Deals
From Erie to Illinois
Search Deals
One-way flight from Erie to Illinois
Search Deals
Price to beat on a round-trip flight from Erie to Illinois.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Erie to Illinois 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 June 15, 2026.
Use the filters below to find and compare flights from Erie to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 11/3

7:00 pm-8:00 pm

Nonstop2h 00m

Chicago O'Hare Intl

Tue 11/10

9:30 pm-12:10 am

Nonstop1h 40m

$239

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 10/31

7:00 pm-8:00 pm

Nonstop2h 00m

Chicago O'Hare Intl

Wed 11/4

2:40 pm-5:17 pm

Nonstop1h 37m

$309
Quickest round-trip

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 10/20

6:40 am-7:20 am

Nonstop1h 40m

Chicago O'Hare Intl

Sat 10/24

8:55 pm-11:15 pm

Nonstop1h 20m

$339

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 7/25

6:15 am-7:16 am

Nonstop2h 01m

Chicago O'Hare Intl

Sat 8/1

9:33 pm-12:11 am

Nonstop1h 38m

$340

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 11/3

6:40 am-7:20 am

Nonstop1h 40m

Chicago O'Hare Intl

Tue 11/10

2:03 pm-10:49 pm

1 stop7h 46m

$348

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 7/1

6:28 am-7:28 am

Nonstop2h 00m

Chicago O'Hare Intl

Tue 7/7

4:45 pm-10:47 pm

1 stop5h 02m

$349

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 9/10

8:06 am-9:10 am

Nonstop2h 04m

Chicago O'Hare Intl

Sat 9/12

9:15 pm-11:57 pm

Nonstop1h 42m

$376

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 9/25

8:06 am-9:10 am

Nonstop2h 04m

Chicago O'Hare Intl

Sat 9/26

9:15 pm-11:57 pm

Nonstop1h 42m

$376
Cheapest one-way
Quickest one-way

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 6/30

6:28 am-7:28 am

Nonstop2h 00m

$140

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 8/5

9:02 pm-11:10 pm

1 stop27h 08m

$208

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Best time to book a flight from Erie to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Erie 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 Erie to Illinois

What is the cheapest time of day to fly from ERI to IL?

Find hourly flight availability from Erie to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 15, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Erie to Illinois as you normally would.

Weekly flight availability from Erie to Illinois

Explore weekly flight availability from Erie to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 15, 2026.

The most flights from ERI to USIL are scheduled on a Monday (2 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

Related info for your journey

Find useful and relevant information for your journey from Erie to Illinois. 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 Erie to Illinois?

    Erie (ERI) is the airport you will fly out of if you book a flight from Erie to Illinois. It is only a 5.7 mi journey to Erie (ERI) from Erie’s city center.

  • How long is the flight from Erie to Illinois?

    A quick flight from Erie to Illinois can take about 1h 40m. United Airlines provides one of the quickest options available for as low as $339. The distance from Erie to Illinois is about 396 mi. All flights are typically nonstop.

  • What are the most popular routes from Erie to Illinois?

    When deciding which route to take from Erie to Illinois consider Erie - Chicago O'Hare Intl, Erie - Chicago Midway or Erie - Lambert-St Louis as they are the most popular.

  • What are the cheapest flights from Erie to Illinois?

    On average you can expect to pay $635 for a flight from Erie to Illinois. The cheapest flight overall is $420 while the most popular route, (Erie - Chicago O'Hare Intl) is currently priced at $239.

  • Can I find deals for flights from Erie to Illinois that include hotel bookings?

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

  • How can I find direct flights from Erie to Illinois?

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

  • Can I find deals for business class flights from Erie to Illinois?

    Yes. Cheapflights offers flight deals from Erie to Illinois 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 Erie to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Newark to San Francisco flights
John F Kennedy Intl to San Francisco flights
LaGuardia to San Francisco flights
Newark to Miami flights
Newark to Los Angeles flights
John F Kennedy Intl to Los Angeles flights
Newark to Orlando flights
Newark to Seattle flights
LaGuardia to Miami flights
John F Kennedy Intl to Miami flights
LaGuardia to Orlando flights
Newark to San Antonio flights
John F Kennedy Intl to O'Hare Intl flights
Newark to O'Hare Intl flights
Newark to Dallas/Fort Worth flights
Newark to Fort Lauderdale flights
Dulles Intl to Seattle flights
LaGuardia to O'Hare Intl flights
LaGuardia to Dallas/Fort Worth flights
Newark to Austin flights
Newark to Las Vegas flights
LaGuardia to San Antonio flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Austin flights
LaGuardia to Hobby flights
John F Kennedy Intl to Orlando flights
Reagan-National to Seattle flights
John F Kennedy Intl to Las Vegas flights
LaGuardia to Austin flights
Dulles Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Fort Lauderdale flights
LaGuardia to Los Angeles flights
John F Kennedy Intl to Atlanta flights
Philadelphia to Orlando flights
Dulles Intl to Miami flights
Newark to Tampa flights
Newark to Denver flights
Newark to West Palm Beach flights
John F Kennedy Intl to Ontario flights
Reagan-National to Dallas/Fort Worth flights
John F Kennedy Intl to Denver flights
Reagan-National to O'Hare Intl flights
Reagan-National to Los Angeles flights
Newark to Midway flights
John F Kennedy Intl to Tampa flights
Dulles Intl to Los Angeles flights
Dulles Intl to Orlando flights
John F Kennedy Intl to George Bush Intcntl 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.