$181+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
ERI — ORD
Oct 28 — Nov 41
Round-trip
1 adult, Economy
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Find cheap flights from Erie to Illinois with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Erie to Illinois
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Best
Last-minute
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Cheapest flights from Erie to IllinoisExplore 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 September 28, 2026.
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 September 28, 2026.
This American Airlines deal was found by Cheapflights users on 9/27. 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 11/68:01 am -
Nonstop2h 09m
Sun 11/89:15 pm -
Nonstop1h 38m
Deal found 9/27![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/168:07 am -
Nonstop2h 03m
Sun 10/189:10 pm -
Nonstop1h 45m
Deal found 9/26![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/145:08 pm -
1 stop8h 00m
Sat 10/179:10 pm -
Nonstop1h 45m
Deal found 9/25![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/88:07 am -
Nonstop2h 03m
Mon 10/129:10 pm -
Nonstop1h 45m
Deal found 9/23![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/98:07 am -
Nonstop2h 03m
Sun 10/115:00 am -
1 stop5h 21m
Deal found 9/23![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/78:07 am -
Nonstop2h 03m
Fri 10/239:10 pm -
Nonstop1h 45m
Deal found 9/26![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/105:08 pm -
1 stop8h 00m
Wed 10/145:00 am -
1 stop5h 21m
Deal found 9/25![American Airlines logo]()
$338
Best flights from Erie to IllinoisDiscover carefully curated flight deals from Erie to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
Discover carefully curated flight deals from Erie to Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 28, 2026.
This American Airlines deal was found by Cheapflights users on 9/26. 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 11/68:01 am -
Nonstop2h 09m
Sun 11/89:15 pm -
Nonstop1h 38m
Deal found 9/26![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/248:07 am -
Nonstop2h 03m
Sat 10/319:10 pm -
Nonstop1h 45m
Deal found 9/23![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/238:07 am -
Nonstop2h 03m
Sun 10/259:10 pm -
Nonstop1h 45m
Deal found 9/25![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/24. 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 11/78:01 am -
Nonstop2h 09m
Fri 11/139:15 pm -
Nonstop1h 38m
Deal found 9/24![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/25. 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 11/68:01 am -
Nonstop2h 09m
Mon 11/95:19 am -
1 stop6h 08m
Deal found 9/25![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/23. 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 12/245:20 pm -
1 stop6h 40m
Wed 12/309:00 pm -
Nonstop1h 43m
Deal found 9/23![American Airlines logo]()
$298
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/235:08 pm -
1 stop6h 52m
Mon 10/269:10 pm -
Nonstop1h 45m
Deal found 9/24![American Airlines logo]()
$298
Last-minute flights from Erie to IllinoisDiscover last-minute flight deals from Erie to Illinois. Data last updated September 28, 2026 and is based on user searches.
Discover last-minute flight deals from Erie to Illinois. Data last updated September 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/78:07 am -
Nonstop2h 03m
Fri 10/239:10 pm -
Nonstop1h 45m
Deal found 9/26![American Airlines logo]()
$334
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/88:07 am -
Nonstop2h 03m
Mon 10/129:10 pm -
Nonstop1h 45m
Deal found 9/23![American Airlines logo]()
$319
This American Airlines deal was found by Cheapflights users on 9/23. 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 10/98:07 am -
Nonstop2h 03m
Sun 10/115:00 am -
1 stop5h 21m
Deal found 9/23![American Airlines logo]()
$328
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/105:08 pm -
1 stop8h 00m
Wed 10/145:00 am -
1 stop5h 21m
Deal found 9/25![American Airlines logo]()
$338
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/145:08 pm -
1 stop8h 00m
Sat 10/179:10 pm -
Nonstop1h 45m
Deal found 9/25![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/26. 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 10/168:07 am -
Nonstop2h 03m
Sun 10/189:10 pm -
Nonstop1h 45m
Deal found 9/26![American Airlines logo]()
$304
This American Airlines deal was found by Cheapflights users on 9/24. 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 10/238:07 am -
Nonstop2h 03m
Mon 10/269:10 pm -
Nonstop1h 45m
Deal found 9/24![American Airlines logo]()
$289
This American Airlines deal was found by Cheapflights users on 9/25. 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 10/235:08 pm -
1 stop8h 00m
Sun 10/255:00 am -
1 stop5h 21m
Deal found 9/25![American Airlines logo]()
$353
One-way flights from Erie to IllinoisSearch for one-way flight options from Erie to Illinois. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
Search for one-way flight options from Erie to Illinois. Find affordable one-way fares based on user searches. Data last updated September 28, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/289:16 pm -
2 stops22h 29m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 10/219:16 pm -
2 stops22h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$184
This American Airlines deal was found by Cheapflights users on 9/25. 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 11/227:55 am -
Nonstop2h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![American Airlines logo]()
$189
This Kiwi.com deal was found by Cheapflights users on 9/25. 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.
Tue 11/246:56 pm -
2 stops18h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 9/23. 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.
Sat 10/249:16 pm -
2 stops37h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Multiple Airlines logo]()
$212
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 September 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $289 (American Airlines) |
One-way from | $181 (Kiwi.com) |
Good round-trip deal | $489 or less |
Good one-way deal | $361 or less |
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 7,457,451 searches. Data last updated September 28, 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
Cheapest round-trip
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Wed 10/21
9:16 pm-12:26 am
3 stops28h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$229
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Sat 11/21
5:14 pm-11:59 pm
1 stop7h 45m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$243
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Sat 10/24
9:16 pm-9:21 am
2 stops37h 05m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$249
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Thu 12/17
7:42 am-9:00 am
Nonstop2h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$264
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Mon 10/26
5:08 pm-12:08 am
1 stop8h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$273
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Fri 11/6
8:01 am-9:10 am
Nonstop2h 09m
Chicago O'Hare Intl
Sun 11/8
9:15 pm-11:53 pm
Nonstop1h 38m
$289
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Sat 10/24
8:07 am-9:10 am
Nonstop2h 03m
Chicago O'Hare Intl
Sat 10/31
9:10 pm-11:55 pm
Nonstop1h 45m
$289
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Fri 10/23
8:07 am-9:10 am
Nonstop2h 03m
Chicago O'Hare Intl
Sun 10/25
9:10 pm-11:55 pm
Nonstop1h 45m
$289
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Sat 11/7
8:01 am-9:10 am
Nonstop2h 09m
Chicago O'Hare Intl
Fri 11/13
9:15 pm-11:53 pm
Nonstop1h 38m
$289
ErieChicago
ERI Erie - ORD Chicago O'Hare Intl
ERIORD
Erie
Fri 11/6
8:01 am-9:10 am
Nonstop2h 09m
Chicago O'Hare Intl
Mon 11/9
5:19 am-12:27 pm
1 stop6h 08m
$298
Showing 1-10 of 16 resultsSorted by cheapest first
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.
ERI-ORD
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
ERI-USIL
ERI-ORD
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 September 28, 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 September 28, 2026.
The most flights from ERI to USIL are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 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 September 28, 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.
Comfort
7.2
Entertainment
6.8
Food
6.4
Boarding
7.4
Overall
7.0
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
Comfort
7.2
Entertainment
6.8
Food
6.4
Boarding
7.4
Overall
7.0
Crew
7.9
Reviews
1 / 20
2.0
MediocreAnonymous,Aug 2025
BNA - ORD
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.
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Alternative routes for Erie to Illinois
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Illinois by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Erie to Illinois by cabin class
Find flights from Erie to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Erie and Illinois flights
Browse other Erie and Illinois flight options. Last updated on September 28, 2026.
Popular flight searches
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Erie to Illinois flights
Consider these flights traveling from Erie to Illinois.
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 7,457,451 searches. Data last updated September 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$238 | Average$358 | FlexibilityNo cancel fee | On-time71% |