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$116+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
May 1 — May 81
Fri 5/1
Fri 5/8
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 April 1, 2026.

This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 6/256:17 am
ERI
-
ORD
Nonstop2h 03m
American Airlines
Mon 6/299:52 pm
ORD
-
ERI
Nonstop1h 40m
American Airlines
Deal found 3/31$239
This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 5/226:17 am
ERI
-
ORD
Nonstop2h 03m
American Airlines
Sun 5/249:55 pm
ORD
-
ERI
Nonstop1h 40m
American Airlines
Deal found 4/1$240
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 7/236:15 am
ERI
-
ORD
Nonstop2h 01m
American Airlines
Mon 7/279:21 pm
ORD
-
ERI
Nonstop1h 38m
American Airlines
Deal found 3/31$254
This United Airlines deal was found by Cheapflights users on 3/29. 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 6/2010:59 am
ERI
-
ORD
Nonstop1h 51m
United Airlines
Mon 6/227:45 am
ORD
-
ERI
Nonstop1h 39m
United Airlines
Deal found 3/29$269
This United Airlines deal was found by Cheapflights users on 3/31. 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 6/1110:59 am
ERI
-
ORD
Nonstop1h 51m
United Airlines
Sun 6/149:20 pm
ORD
-
ERI
Nonstop1h 35m
United Airlines
Deal found 3/31$309
This United Airlines deal was found by Cheapflights users on 4/1. 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 9/1911:05 am
ERI
-
ORD
Nonstop1h 51m
United Airlines
Mon 9/219:31 pm
ORD
-
ERI
Nonstop1h 35m
United Airlines
Deal found 4/1$310
This American Airlines deal was found by Cheapflights users on 3/30. 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 4/115:34 pm
ERI
-
ORD
1 stop7h 20m
American Airlines
Wed 4/155:00 am
ORD
-
ERI
1 stop5h 16m
American Airlines
Deal found 3/30$318
This United Airlines deal was found by Cheapflights users on 3/27. 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 9/126:00 am
ERI
-
ORD
Nonstop1h 51m
United Airlines
Tue 9/159:31 pm
ORD
-
ERI
Nonstop1h 35m
United Airlines
Deal found 3/27$339
This American Airlines deal was found by Cheapflights users on 3/28. 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 4/712:01 pm
ERI
-
STL
1 stop6h 02m
American Airlines
Tue 4/1410:24 am
STL
-
ERI
1 stop5h 03m
American Airlines
Deal found 3/28$460
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 6/46:17 am
ERI
-
STL
1 stop7h 58m
American Airlines
Sun 6/75:00 pm
STL
-
ERI
1 stop6h 32m
American Airlines
Deal found 3/31$482
This American Airlines deal was found by Cheapflights users on 3/29. 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.
Fri 8/286:00 am
ERI
-
STL
1 stop7h 11m
American Airlines
Sun 8/304:32 pm
STL
-
ERI
1 stop5h 15m
American Airlines
Deal found 3/29$496
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Fri 4/1711:41 am
ERI
-
STL
1 stop7h 23m
American Airlines
Fri 4/245:51 am
STL
-
ERI
2 stops10h 13m
American Airlines
Deal found 3/27$540

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 April 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(American Airlines)

One-way from

$116
(Kiwi.com)

Good round-trip deal

$596 or less

Good one-way deal

$387 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
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Price to beat on a round-trip flight from Erie to Illinois.
Search Deals
Price to beat on a one-way 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 April 1, 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
Quickest round-trip

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 7/7

10:59 am-11:50 am

Nonstop1h 51m

Chicago O'Hare Intl

Sat 7/11

7:45 pm-10:20 pm

Nonstop1h 35m

$239

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 5/22

6:17 am-7:20 am

Nonstop2h 03m

Chicago O'Hare Intl

Sun 5/24

5:10 am-11:07 am

1 stop4h 57m

$249

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 7/23

6:15 am-7:16 am

Nonstop2h 01m

Chicago O'Hare Intl

Mon 7/27

9:21 pm-11:59 pm

Nonstop1h 38m

$254

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 6/20

10:59 am-11:50 am

Nonstop1h 51m

Chicago O'Hare Intl

Mon 6/22

7:45 am-10:24 am

Nonstop1h 39m

$269

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 8/6

6:00 am-6:51 am

Nonstop1h 51m

Chicago O'Hare Intl

Sun 8/9

7:45 am-10:24 am

Nonstop1h 39m

$269

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 6/11

10:59 am-11:50 am

Nonstop1h 51m

Chicago O'Hare Intl

Sun 6/14

7:45 am-10:24 am

Nonstop1h 39m

$309

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 9/19

11:05 am-11:56 am

Nonstop1h 51m

Chicago O'Hare Intl

Mon 9/21

9:31 pm-12:06 am

Nonstop1h 35m

$310

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 4/11

5:34 pm-11:54 pm

1 stop7h 20m

Chicago O'Hare Intl

Wed 4/15

5:00 am-11:16 am

1 stop5h 16m

$318

ErieSt. Louis

ERI - STL

ERISTL

Erie

Fri 8/28

6:00 am-12:11 pm

1 stop7h 11m

Lambert-St Louis

Sun 8/30

4:32 pm-10:47 pm

1 stop5h 15m

$496

ErieSt. Louis

ERI - STL

ERISTL

Erie

Thu 6/4

5:20 pm-11:54 pm

2 stops7h 34m

Lambert-St Louis

Sun 6/7

5:14 am-11:07 am

1 stop4h 53m

$531

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 22 resultsSorted by cheapest first
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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 $282). 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 1h 51m. American Airlines provides one of the quickest options available for as low as $269. 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 - 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 $589 for a flight from Erie to Illinois. The cheapest flight overall is $182 while the most popular route, (Erie - Chicago O'Hare Intl) is currently priced at $269.

  • 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 $282). 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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