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$170+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Aug 2 — Aug 91
Sun 8/2
Sun 8/9
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 July 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 7/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:02 pm
ERI
-
ORD
1 stop27h 08m
Multiple Airlines
Tue 9/17:44 pm
ORD
-
ERI
1 stop23h 38m
Multiple Airlines
Deal found 7/1$278
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/148:30 am
ERI
-
ORD
Nonstop1h 59m
United Airlines
Tue 11/179:30 pm
ORD
-
ERI
Nonstop1h 27m
United Airlines
Deal found 6/30$309
This United Airlines deal was found by Cheapflights users on 7/1. 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 11/71:38 pm
ERI
-
ORD
Nonstop1h 59m
United Airlines
Sat 11/149:30 pm
ORD
-
ERI
Nonstop1h 27m
United Airlines
Deal found 7/1$324
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Sat 8/16:15 am
ERI
-
ORD
Nonstop2h 01m
American Airlines
Sat 8/89:17 pm
ORD
-
ERI
Nonstop1h 42m
American Airlines
Deal found 7/2$339
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 11/78:07 am
ERI
-
ORD
Nonstop2h 03m
American Airlines
Sat 11/148:00 am
ORD
-
ERI
1 stop7h 55m
American Airlines
Deal found 6/28$348
This American Airlines deal was found by Cheapflights users on 6/30. 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 9/108:06 am
ERI
-
ORD
Nonstop2h 04m
American Airlines
Sat 9/129:15 pm
ORD
-
ERI
Nonstop1h 42m
American Airlines
Deal found 6/30$376
This Kiwi.com deal was found by Cheapflights users on 6/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/149:16 pm
ERI
-
ORD
1 stop27h 39m
Multiple Airlines
Wed 10/216:05 am
ORD
-
ERI
2 stops13h 31m
Multiple Airlines
Deal found 6/29$389
This American Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 7/116:15 am
ERI
-
ORD
Nonstop2h 01m
American Airlines
Sat 7/189:33 pm
ORD
-
ERI
Nonstop1h 38m
American Airlines
Deal found 6/28$399
This American Airlines deal was found by Cheapflights users on 7/2. 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.
Wed 8/267:18 am
ERI
-
STL
1 stop6h 44m
American Airlines
Sat 9/125:18 pm
STL
-
ERI
1 stop5h 39m
American Airlines
Deal found 7/2$404
This American Airlines deal was found by Cheapflights users on 6/29. 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.
Tue 7/145:15 am
ERI
-
STL
1 stop7h 45m
American Airlines
Sat 7/185:19 pm
STL
-
ERI
1 stop5h 52m
American Airlines
Deal found 6/29$460
This United Airlines deal was found by Cheapflights users on 6/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/31:38 pm
ERI
-
STL
1 stop27h 03m
United Airlines
Sat 11/75:00 am
STL
-
ERI
1 stop17h 57m
United Airlines
Deal found 6/30$484
This American Airlines deal was found by Cheapflights users on 6/30. 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 7/305:20 pm
ERI
-
STL
1 stop7h 38m
American Airlines
Sun 8/25:58 pm
STL
-
ERI
1 stop5h 14m
American Airlines
Deal found 6/30$498

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 July 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$278
(Kiwi.com)

One-way from

$170
(Kiwi.com)

Good round-trip deal

$480 or less

Good one-way deal

$796 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 July 3, 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

Sat 11/7

1:38 pm-2:37 pm

Nonstop1h 59m

Chicago O'Hare Intl

Sat 11/14

9:30 pm-11:57 pm

Nonstop1h 27m

$309

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 11/14

8:30 am-9:29 am

Nonstop1h 59m

Chicago O'Hare Intl

Tue 11/17

9:30 pm-11:57 pm

Nonstop1h 27m

$309

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 11/3

1:38 pm-2:37 pm

Nonstop1h 59m

Chicago O'Hare Intl

Sat 11/7

9:30 pm-11:57 pm

Nonstop1h 27m

$309

ErieChicago

ERI - ORD

ERIORD

Erie

Tue 12/8

8:07 am-9:10 am

Nonstop2h 03m

Chicago O'Hare Intl

Sat 12/12

9:10 pm-11:55 pm

Nonstop1h 45m

$339

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 8/1

5:20 pm-10:00 pm

1 stop5h 40m

Chicago O'Hare Intl

Sat 8/8

9:17 pm-11:59 pm

Nonstop1h 42m

$348

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 11/7

11:18 am-4:05 pm

1 stop5h 47m

Chicago O'Hare Intl

Sat 11/14

9:02 am-4:55 pm

1 stop6h 53m

$358

ErieChicago

ERI - ORD

ERIORD

Erie

Sat 8/1

6:15 am-7:16 am

Nonstop2h 01m

Chicago O'Hare Intl

Fri 8/7

9:17 pm-11:59 pm

Nonstop1h 42m

$376

ErieSt. Louis

ERI - STL

ERISTL

Erie

Wed 8/26

7:18 am-1:02 pm

1 stop6h 44m

Lambert-St Louis

Sat 9/12

5:18 pm-11:57 pm

1 stop5h 39m

$404

ErieSt. Louis

ERI - STL

ERISTL

Erie

Tue 11/3

1:38 pm-3:41 pm

1 stop27h 03m

Lambert-St Louis

Sat 11/7

5:00 am-11:57 pm

1 stop17h 57m

$484

ErieSt. Louis

ERI - STL

ERISTL

Erie

Tue 7/14

5:15 am-1:53 pm

2 stops9h 38m

Lambert-St Louis

Sat 7/18

5:19 pm-12:11 am

1 stop5h 52m

$486

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

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 July 3, 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.

Weekly flight availability from Erie to Illinois

Explore weekly flight availability from Erie to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 3, 2026.

The most flights from ERI to USIL are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

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 July 3, 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
11,766 reviews

Entertainment

6.8

Comfort

7.2

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

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
7.1
Good
11,766 reviews
American Airlines
7.1
Good
11,766 reviews

Entertainment

6.8

Comfort

7.2

Overall

7.1

Food

6.4

Boarding

7.5

Crew

7.9

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 1h 59m. United Airlines provides one of the quickest options available for as low as $309. 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 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 (78%), American Airlines (78%).

  • What are the cheapest flights from Erie to Illinois?

    On average you can expect to pay $3,279 for a flight from Erie to Illinois. The cheapest flight overall is $298 while the most popular route, (Erie - Chicago O'Hare Intl) is currently priced at $278.

  • 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 July 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$238Average$474FlexibilityNo cancel feeOn-time71%

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