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$418+ Cheap flights from Erie (ERI) to Illinois

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 9/17. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap 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 20, 2025.

Round-trip from

$418
(American Airlines)
From Erie to Illinois
Search Deals

Find 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 20, 2025.

This American Airlines deal was found by Cheapflights users on 8/19. 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 10/82:48 pmERI - ORD
1 stop7h 22mAmerican Airlines
Sat 10/115:20 amORD - ERI
1 stop7h 00mAmerican Airlines
Deal found 8/19$418
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/174:48 pmERI - ORD
1 stop7h 24mAmerican Airlines
Sat 9/208:01 amORD - ERI
2 stops7h 21mAmerican Airlines
Deal found 8/18$424
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/26:00 amERI - STL
2 stops12h 10mAmerican Airlines
Sat 9/69:57 amSTL - ERI
1 stop5h 25mAmerican Airlines
Deal found 8/18$485
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/36:00 amERI - ORD
1 stop5h 43mAmerican Airlines
Sun 9/77:02 amORD - ERI
1 stop5h 16mAmerican Airlines
Deal found 8/19$493
This American Airlines deal was found by Cheapflights users on 8/18. 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 8/301:45 pmERI - ORD
1 stop4h 47mAmerican Airlines
Wed 9/38:38 amORD - ERI
1 stop6h 45mAmerican Airlines
Deal found 8/18$511
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/46:00 amERI - ORD
1 stop6h 30mAmerican Airlines
Mon 9/88:37 amORD - ERI
1 stop6h 33mAmerican Airlines
Deal found 8/19$518

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 20, 2025.
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

Wed 9/17

2:57 pm-8:27 pm

1 stop6h 30m

Chicago O'Hare Intl

Sat 9/20

9:51 am-4:22 pm

1 stop5h 31m

$418

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 10/8

2:48 pm-9:10 pm

1 stop7h 22m

Chicago O'Hare Intl

Sat 10/11

9:10 am-4:27 pm

1 stop6h 17m

$418

ErieSt. Louis

ERI - STL

ERISTL

Erie

Tue 9/2

6:00 am-5:10 pm

2 stops12h 10m

Lambert-St Louis

Sat 9/6

9:57 am-4:22 pm

1 stop5h 25m

$485

ErieChicago

ERI - ORD

ERIORD

Erie

Wed 9/3

6:00 am-10:43 am

1 stop5h 43m

Chicago O'Hare Intl

Sun 9/7

7:02 am-1:18 pm

1 stop5h 16m

$493

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 9/2

2:50 pm-6:29 pm

1 stop4h 39m

Chicago O'Hare Intl

Sat 9/6

12:33 pm-9:36 pm

1 stop8h 03m

$511

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 8/30

1:45 pm-5:32 pm

1 stop4h 47m

Chicago O'Hare Intl

Wed 9/3

8:38 am-4:23 pm

1 stop6h 45m

$511

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

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, August is the cheapest month in which you can book a flight from Erie to Illinois (average of $245). Flying from Erie to Illinois in March is currently the most expensive (average of $321). 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.

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 20, 2025.
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
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Boarding

7.5

Entertainment

6.9

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
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Crew

8.0

Food

6.5

Overall

7.2

Boarding

7.5

Entertainment

6.9

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 6h 30m. American Airlines provides one of the quickest options available for as low as $418. The distance from Erie to Illinois is about 396 mi.

  • 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.

  • 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, August is the cheapest month in which you can book a flight from Erie to Illinois (average of $245). Flying from Erie to Illinois in March is currently the most expensive (average of $321). 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.

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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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$418Average$769FlexibilityNo cancel feeOn-time71%

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