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$330+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Dec 5 — Dec 121
Fri 12/5
Fri 12/12
1 adult, Economy
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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 November 5, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/4. 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 11/127:58 pmERI - ORD
2 stops18h 28mMultiple Airlines
Sat 11/156:48 amORD - ERI
1 stop11h 30mMultiple Airlines
Deal found 11/4$365
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Thu 12/45:18 pmERI - ORD
1 stop7h 28mAmerican Airlines
Sun 12/75:00 amORD - ERI
1 stop4h 48mAmerican Airlines
Deal found 11/3$478
This American Airlines deal was found by Cheapflights users on 11/5. 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 12/275:29 pmERI - ORD
1 stop7h 30mAmerican Airlines
Tue 12/304:05 pmORD - ERI
1 stop5h 33mAmerican Airlines
Deal found 11/5$490
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/126:21 amERI - ORD
2 stops9h 40mAmerican Airlines
Sat 11/151:15 pmORD - ERI
2 stops8h 34mAmerican Airlines
Deal found 11/4$544
This American Airlines deal was found by Cheapflights users on 11/3. 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 11/1812:49 pmERI - ORD
1 stop7h 25mAmerican Airlines
Sat 11/225:00 amORD - ERI
1 stop4h 46mAmerican Airlines
Deal found 11/3$557
This American Airlines deal was found by Cheapflights users on 11/4. 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 11/96:00 amERI - ORD
1 stop5h 42mAmerican Airlines
Sun 11/168:20 amORD - ERI
1 stop7h 46mAmerican Airlines
Deal found 11/4$558

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 November 5, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$478
(American Airlines)

One-way from

$330
(American Airlines)
Provider with most accurate pricing for Erie-Chicago (CHI) flight deals.
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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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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 November 5, 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

Thu 12/4

5:18 pm-11:46 pm

1 stop7h 28m

Chicago O'Hare Intl

Sun 12/7

5:00 am-10:48 am

1 stop4h 48m

$478

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 12/27

5:29 pm-11:59 pm

1 stop7h 30m

Chicago O'Hare Intl

Tue 12/30

4:05 pm-10:38 pm

1 stop5h 33m

$490

ErieSt. Louis

ERI - STL

ERISTL

Erie

Wed 4/8

5:47 pm-9:11 pm

1 stop4h 24m

Lambert-St Louis

Sat 4/11

5:29 am-11:03 am

1 stop4h 34m

$507

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 11/18

12:49 pm-7:14 pm

1 stop7h 25m

Chicago O'Hare Intl

Sat 11/22

5:00 am-10:46 am

1 stop4h 46m

$557

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 3/24

5:49 pm-12:13 am

1 stop7h 24m

Chicago O'Hare Intl

Sat 3/28

10:28 am-4:13 pm

1 stop4h 45m

$662

ErieChicago

ERI - ORD

ERIORD

Erie

Fri 11/14

6:21 am-10:36 am

1 stop5h 15m

$330

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 11/11

6:10 pm-11:37 pm

1 stop6h 27m

$433

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/3

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 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 $276). 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 7h 28m. American Airlines provides one of the quickest options available for as low as $478. 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, 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 $276). 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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