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$135+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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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 January 26, 2026.

This American Airlines deal was found by Cheapflights users on 1/26. 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 8/266:40 am
ERI
-
ORD
Nonstop1h 40m
American Airlines
Sat 8/298:55 pm
ORD
-
ERI
Nonstop1h 20m
American Airlines
Deal found 1/26$199
This United Airlines deal was found by Cheapflights users on 1/26. 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 7/2311:00 am
ERI
-
ORD
Nonstop2h 00m
United Airlines
Mon 7/271:55 pm
ORD
-
ERI
Nonstop1h 40m
United Airlines
Deal found 1/26$239
This American Airlines deal was found by Cheapflights users on 1/26. 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 2/106:34 am
ERI
-
ORD
1 stop5h 08m
American Airlines
Sat 2/145:00 am
ORD
-
ERI
1 stop5h 20m
American Airlines
Deal found 1/26$248
This Kiwi.com deal was found by Cheapflights users on 1/24. 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.
Sat 2/77:48 pm
ERI
-
ORD
2 stops27h 23m
Multiple Airlines
Wed 2/118:30 am
ORD
-
ERI
1 stop8h 55m
Multiple Airlines
Deal found 1/24$279
This United Airlines deal was found by Cheapflights users on 1/26. 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 7/236:00 am
ERI
-
ORD
Nonstop2h 00m
United Airlines
Tue 7/281:55 pm
ORD
-
ERI
Nonstop1h 40m
United Airlines
Deal found 1/26$284
This American Airlines deal was found by Cheapflights users on 1/24. 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 4/295:29 pm
ERI
-
ORD
1 stop7h 28m
American Airlines
Sat 5/28:38 am
ORD
-
ERI
1 stop7h 26m
American Airlines
Deal found 1/24$292
This United Airlines deal was found by Cheapflights users on 1/26. 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 7/236:00 am
ERI
-
ORD
Nonstop2h 00m
United Airlines
Sat 7/259:15 pm
ORD
-
ERI
Nonstop1h 40m
United Airlines
Deal found 1/26$314
This American Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 2/95:49 pm
ERI
-
STL
1 stop6h 23m
American Airlines
Fri 2/136:57 pm
STL
-
ERI
1 stop15h 23m
American Airlines
Deal found 1/25$865

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$248
(American Airlines)

One-way from

$135
(Kiwi.com)

Good round-trip deal

$664 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.
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From Erie to Illinois
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One-way flight from Erie to Illinois
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Price to beat on a round-trip flight from Erie to Illinois.
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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 January 26, 2026.
Use the filters below to find and compare flights from Erie to Illinois that are best for you.

Fly from

Erie

Fly to

Illinois

Route

Depart

Return

Price

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 7/23

7:00 pm-8:00 pm

Nonstop2h 00m

Chicago O'Hare Intl

Sun 7/26

7:40 am-10:20 am

Nonstop1h 40m

$239

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 2/7

7:48 pm-10:11 pm

2 stops27h 23m

Chicago O'Hare Intl

Wed 2/11

8:30 am-6:25 pm

1 stop8h 55m

$279

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 7/23

6:00 am-7:00 am

Nonstop2h 00m

Chicago O'Hare Intl

Tue 7/28

1:55 pm-4:35 pm

Nonstop1h 40m

$284

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 4/29

5:29 pm-11:57 pm

1 stop7h 28m

Chicago O'Hare Intl

Sat 5/2

8:38 am-5:04 pm

1 stop7h 26m

$292

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 7/23

6:00 am-7:00 am

Nonstop2h 00m

Chicago O'Hare Intl

Wed 7/29

1:55 pm-4:35 pm

Nonstop1h 40m

$314

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 7/24

11:00 am-12:00 pm

Nonstop2h 00m

Chicago O'Hare Intl

Mon 7/27

9:15 pm-11:55 pm

Nonstop1h 40m

$314

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 7/23

6:00 am-7:00 am

Nonstop2h 00m

Chicago O'Hare Intl

Sat 7/25

9:15 pm-11:55 pm

Nonstop1h 40m

$314

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 7/24

11:00 am-12:00 pm

Nonstop2h 00m

Chicago O'Hare Intl

Sun 7/26

7:40 am-10:20 am

Nonstop1h 40m

$314

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 7/25

5:21 pm-9:33 pm

1 stop5h 12m

Chicago O'Hare Intl

Tue 7/28

8:55 pm-11:15 pm

Nonstop1h 20m

$346

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 7/23

6:30 am-7:10 am

Nonstop1h 40m

Chicago O'Hare Intl

Thu 7/23

8:55 pm-11:15 pm

Nonstop1h 20m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 19 results
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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 month to book a flight from Erie to Illinois?

Currently, July is the cheapest month in which you can book a flight from Erie to Illinois (average of $77). Flying from Erie to Illinois in March is currently the most expensive (average of $275). 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.

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 2h. United Airlines provides one of the quickest options available for as low as $239. The distance from Erie to Illinois is about 396 mi. This flight may include one or multiple stops.

  • 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 - Lambert-St Louis or Erie - Chicago Midway as they are the most popular.

  • What are the cheapest flights from Erie to Illinois?

    On average you can expect to pay $774 for a flight from Erie to Illinois. The cheapest flight overall is $346 while the most popular route, (Erie - Chicago O'Hare Intl) is currently priced at $179.

  • 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.

  • What is the cheapest month to book a flight from Erie to Illinois?

    Currently, July is the cheapest month in which you can book a flight from Erie to Illinois (average of $77). Flying from Erie to Illinois in March is currently the most expensive (average of $275). 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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