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$142+ 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
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 August 4, 2026.

This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 9/108:16 am
ERI
-
ORD
Nonstop1h 54m
American Airlines
Sat 9/129:15 pm
ORD
-
ERI
Nonstop1h 44m
American Airlines
Deal found 7/30$249
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/205:24 am
ERI
-
ORD
Nonstop1h 41m
American Airlines
Sun 8/235:05 am
ORD
-
ERI
1 stop5h 19m
American Airlines
Deal found 7/30$258
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/155:24 am
ERI
-
ORD
Nonstop1h 41m
American Airlines
Fri 8/219:17 pm
ORD
-
ERI
Nonstop1h 42m
American Airlines
Deal found 7/31$264
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Wed 8/1912:49 pm
ERI
-
ORD
1 stop5h 53m
American Airlines
Sat 8/229:17 pm
ORD
-
ERI
Nonstop1h 42m
American Airlines
Deal found 7/30$273
This American Airlines deal was found by Cheapflights users on 7/30. 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.
Thu 8/135:24 am
ERI
-
ORD
Nonstop1h 41m
American Airlines
Sun 8/169:17 pm
ORD
-
ERI
Nonstop1h 42m
American Airlines
Deal found 7/30$279
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2112:49 pm
ERI
-
ORD
1 stop4h 59m
American Airlines
Mon 8/245:05 am
ORD
-
ERI
1 stop6h 19m
American Airlines
Deal found 8/2$283
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/258:16 am
ERI
-
ORD
Nonstop1h 54m
American Airlines
Sun 9/279:15 pm
ORD
-
ERI
Nonstop1h 44m
American Airlines
Deal found 8/2$294
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/145:24 am
ERI
-
ORD
Nonstop1h 41m
American Airlines
Mon 8/179:17 pm
ORD
-
ERI
Nonstop1h 42m
American Airlines
Deal found 8/2$309
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/2912:49 pm
ERI
-
ORD
1 stop5h 53m
American Airlines
Sun 8/305:05 am
ORD
-
ERI
1 stop5h 19m
American Airlines
Deal found 7/31$312
This American Airlines deal was found by Cheapflights users on 7/30. 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 8/2912:49 pm
ERI
-
ORD
1 stop5h 53m
American Airlines
Sat 9/58:54 am
ORD
-
ERI
1 stop7h 14m
American Airlines
Deal found 7/30$313
This American Airlines deal was found by Cheapflights users on 8/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/15:24 am
ERI
-
STL
1 stop19h 50m
American Airlines
Mon 9/76:00 am
STL
-
ERI
1 stop16h 59m
American Airlines
Deal found 8/3$388
This American Airlines deal was found by Cheapflights users on 8/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/235:24 am
ERI
-
STL
1 stop19h 34m
American Airlines
Sat 8/295:00 am
STL
-
ERI
1 stop17h 59m
American Airlines
Deal found 8/2$497

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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$142
(Kiwi.com)

Good round-trip deal

$382 or less

Good one-way deal

$397 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
Price to beat on a one-way 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 August 4, 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

Thu 9/10

8:16 am-9:10 am

Nonstop1h 54m

Chicago O'Hare Intl

Sat 9/12

9:15 pm-11:59 pm

Nonstop1h 44m

$249
Quickest round-trip

ErieChicago

ERI - ORD

ERIORD

Erie

Thu 9/3

5:24 am-6:05 am

Nonstop1h 41m

Chicago O'Hare Intl

Sun 9/6

9:17 pm-11:59 pm

Nonstop1h 42m

$249

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 10/24

11:46 am-5:51 pm

1 stop7h 05m

Chicago O'Hare Intl

Tue 10/27

9:10 pm-11:55 pm

Nonstop1h 45m

$258

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 8/21

5:24 am-6:05 am

Nonstop1h 41m

Chicago O'Hare Intl

Mon 8/24

9:17 pm-11:59 pm

Nonstop1h 42m

$264

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 8/15

5:24 am-6:05 am

Nonstop1h 41m

Chicago O'Hare Intl

Fri 8/21

9:17 pm-11:59 pm

Nonstop1h 42m

$264

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 8/19

12:49 pm-5:42 pm

1 stop5h 53m

Chicago O'Hare Intl

Sat 8/22

9:17 pm-11:59 pm

Nonstop1h 42m

$273

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 11/25

7:58 am-9:13 am

Nonstop2h 15m

Chicago O'Hare Intl

Thu 11/26

9:15 pm-11:59 pm

Nonstop1h 44m

$294

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 9/18

8:16 am-9:10 am

Nonstop1h 54m

Chicago O'Hare Intl

Mon 9/21

5:20 am-12:27 pm

1 stop6h 07m

$303

ErieSt. Louis

ERI - STL

ERISTL

Erie

Tue 9/1

5:24 am-12:14 am

1 stop19h 50m

Lambert-St Louis

Mon 9/7

6:00 am-11:59 pm

1 stop16h 59m

$388

ErieSt. Louis

ERI - STL

ERISTL

Erie

Sun 8/23

5:24 am-11:58 pm

1 stop19h 34m

Lambert-St Louis

Sat 8/29

5:00 am-11:59 pm

1 stop17h 59m

$497

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/3

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 August 4, 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.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated August 4, 2026.
Read through reviews of airlines operating flights from Erie to Illinois, such as American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.1
Good
11,848 reviews

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.8

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.
American Airlines
7.1
Good
11,848 reviews
American Airlines
7.1
Good
11,848 reviews

Crew

7.9

Overall

7.1

Boarding

7.5

Food

6.4

Entertainment

6.8

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

BNA - ORD

My flight was 8 hours delayed, so I missed my connecting flight to Dublin. I understand it’s not the staff’s fault but the lack of sympathy and apology was appalling. I had been sat in the airport since 4am until 3pm and they did not seem understanding. Not good. Need better customer service.

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 54m. American Airlines provides one of the quickest options available for as low as $249. 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 most reliable airlines from Erie to Illinois?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Erie to Illinois on time: Qatar Airways (84%), SkyWest Airlines (81%), American Airlines (81%).

  • What are the cheapest flights from Erie to Illinois?

    On average you can expect to pay $2,594 for a flight from Erie to Illinois. The cheapest flight overall is $302 while the most popular route, (Erie - Chicago O'Hare Intl) is currently priced at $249.

  • 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.

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Alternative routes for Erie to Illinois

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Top airline flying from Erie to Illinois

Discover the top airline that operate flights from Erie to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$474FlexibilityNo cancel feeOn-time71%

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