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$83+ Cheap flights from Rochester (ROC) 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 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Rochester to Illinois

Keep the following information in mind while searching for Rochester to Illinois flight deals. Data was last updated October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(American Airlines)

One-way from

$83
(Expedia)

Popular in

July

Cheapest in

January

Average price

$363

Good round-trip deal

$314 or less

Good one-way deal

$175 or less
Provider with most accurate pricing for Rochester Greater Rochester Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Rochester Greater Rochester Intl-Chicago (CHI) flights.
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From Rochester Greater Rochester Intl to Illinois
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One-way flight from Rochester Greater Rochester Intl to Illinois
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Highest demand for flights based on searches. 8% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Rochester Greater Rochester Intl to Illinois.
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Price to beat on a one-way flight from Rochester Greater Rochester Intl to Illinois.
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Find flight deals from Rochester to Illinois

Cheapest flights from Rochester to Illinois
Explore the most affordable flight options available from Rochester to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This American Airlines deal was found by Cheapflights users on 10/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/248:05 pmROC - MLI
1 stop4h 45mAmerican Airlines
Mon 10/276:32 pmMLI - ROC
1 stop4h 02mAmerican Airlines
Deal found 10/1$249
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/176:30 amROC - MLI
1 stop4h 45mUnited Airlines
Tue 10/216:30 amMLI - ROC
1 stop5h 59mUnited Airlines
Deal found 10/2$259
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:00 amROC - ORD
2 stops16h 44mMultiple Airlines
Tue 10/216:18 pmORD - ROC
1 stop15h 42mMultiple Airlines
Deal found 9/30$262
This Expedia deal was found by Cheapflights users on 10/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/48:26 pmROC - ORD
1 stop13h 57mSpirit Airlines
Sun 12/78:41 amORD - ROC
1 stop9h 50mSpirit Airlines
Deal found 10/1$263
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:30 amROC - ORD
Nonstop2h 09mUnited Airlines
Mon 12/156:10 pmORD - ROC
Nonstop1h 50mUnited Airlines
Deal found 10/2$264
This Southwest deal was found by Cheapflights users on 10/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:30 pmROC - MDW
Nonstop1h 55mSouthwest
Thu 12/113:15 pmMDW - ROC
Nonstop1h 35mSouthwest
Deal found 10/2$264
This American Airlines deal was found by Cheapflights users on 9/30. 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 11/153:01 pmROC - ORD
Nonstop2h 08mAmerican Airlines
Thu 11/203:01 pmORD - ROC
Nonstop1h 48mAmerican Airlines
Deal found 9/30$265
This Kiwi.com deal was found by Cheapflights users on 9/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:57 pmROC - ORD
1 stop5h 31mMultiple Airlines
Sun 11/162:31 pmORD - ROC
2 stops26h 46mMultiple Airlines
Deal found 9/30$266
This Delta deal was found by Cheapflights users on 9/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/215:08 pmROC - ORD
1 stop5h 31mDelta
Tue 10/2810:35 amORD - ROC
1 stop4h 50mDelta
Deal found 9/30$267
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:30 amROC - ORD
1 stop5h 26mDelta
Sat 11/810:35 amORD - ROC
1 stop4h 50mDelta
Deal found 10/1$268
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/56:14 pmROC - MDW
1 stop5h 00mDelta
Sat 11/84:23 pmMDW - ROC
1 stop6h 19mDelta
Deal found 10/1$268
This Delta deal was found by Cheapflights users on 10/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:29 pmROC - STL
1 stop6h 33mDelta
Thu 11/66:00 amSTL - ROC
1 stop4h 24mDelta
Deal found 10/1$269

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rochester 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 October 2, 2025.
Use the filters below to find and compare flights from Rochester to Illinois that are best for you.

Fly from

Rochester

Fly to

Illinois

Route

Depart

Return

Price

RochesterMoline

ROC - MLI

ROCMLI

Rochester Greater Rochester Intl

Fri 10/24

8:05 pm-11:50 pm

1 stop4h 45m

Moline Quad-City

Mon 10/27

6:32 pm-11:34 pm

1 stop4h 02m

$249

RochesterMoline

ROC - MLI

ROCMLI

Rochester Greater Rochester Intl

Fri 10/17

6:30 am-10:15 am

1 stop4h 45m

Moline Quad-City

Tue 10/21

6:30 am-1:29 pm

1 stop5h 59m

$259

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

Fri 3/6

4:35 pm-9:33 pm

1 stop5h 58m

Chicago O'Hare Intl

Sat 3/7

7:00 am-3:37 pm

1 stop7h 37m

$260

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

Thu 11/13

1:30 pm-2:48 pm

Nonstop2h 18m

Chicago O'Hare Intl

Wed 11/19

10:45 am-1:36 pm

Nonstop1h 51m

$264

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

Wed 12/10

6:30 am-7:39 am

Nonstop2h 09m

Chicago O'Hare Intl

Mon 12/15

6:10 pm-9:00 pm

Nonstop1h 50m

$264

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

Tue 10/21

5:08 pm-9:39 pm

1 stop5h 31m

Chicago O'Hare Intl

Tue 10/28

10:35 am-4:25 pm

1 stop4h 50m

$267

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

Wed 11/5

5:30 am-9:56 am

1 stop5h 26m

Chicago O'Hare Intl

Sat 11/8

10:35 am-4:25 pm

1 stop4h 50m

$268

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

Thu 10/30

12:29 pm-6:02 pm

1 stop6h 33m

Lambert-St Louis

Thu 11/6

6:00 am-11:24 am

1 stop4h 24m

$269

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

Wed 12/10

6:30 am-7:39 am

Nonstop2h 09m

Chicago O'Hare Intl

Fri 12/12

10:40 am-1:31 pm

Nonstop1h 51m

$273

RochesterChicago

ROC - MDW

ROCMDW

Rochester Greater Rochester Intl

Wed 10/29

6:45 pm-7:35 pm

Nonstop1h 50m

Chicago Midway

Thu 10/30

11:25 am-5:15 pm

1 stop4h 50m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/29

Showing 1-10 of 60 results
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Best time to book a flight from Rochester to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Rochester 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 Rochester to Illinois

What is the cheapest month to book a flight from Rochester to Illinois?

Currently, August is the cheapest month in which you can book a flight from Rochester to Illinois (average of $245). Flying from Rochester 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.

What is the cheapest time of day to fly from ROC to IL?

Find hourly flight availability from Rochester 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 October 2, 2025.

When flying from Rochester to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Rochester to Illinois

Explore weekly flight availability from Rochester 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 October 2, 2025.

The most flights from ROC to USIL are scheduled on a Thursday (27 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (11 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 October 2, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Rochester to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,962 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,933 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,033 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Rochester 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 Rochester to Illinois?

    If you book a flight to Illinois from Rochester, you will be flying from Greater Rochester Intl, which is the city’s only airport. Rochester Greater Rochester Intl (ROC) is located 3.8 mi from the center of Rochester.

  • How long is the flight from Rochester to Illinois?

    American Airlines, United Airlines, and JetBlue can get you from Rochester to Illinois in just under 4h 45m. Your travel time can differ by up to 1h 13m. Rochester and Illinois are separated by a distance of 665 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Rochester to Illinois one-way?

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $101. United Airlines flights start at $124 while deals on Southwest start at $124 one-way.

  • What are the most popular routes from Rochester to Illinois?

    While some choose either Rochester Greater Rochester Intl - Chicago Midway or Rochester Greater Rochester Intl - Lambert-St Louis, Rochester Greater Rochester Intl - Chicago O'Hare Intl is the most popular route from Rochester to Illinois.

  • What are the most reliable airlines from Rochester to Illinois?

    The top 3 most reliable airlines when flying from Rochester to Illinois are Japan Airlines (90%), Qatar Airways (88%) and SkyWest Airlines (88%).

  • What are the cheapest flights from Rochester to Illinois?

    On average you can expect to pay $842 for a flight from Rochester to Illinois. The cheapest flight overall is $125 while the most popular route, (Rochester Greater Rochester Intl - Chicago O'Hare Intl) is currently priced at $195.

  • Can I find deals for flights from Rochester to Illinois that include hotel bookings?

    Yes. In addition to deals on Rochester to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rochester to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rochester to Illinois.

  • Can I find deals for business class flights from Rochester to Illinois?

    Yes. Cheapflights offers flight deals from Rochester 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 Rochester to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Rochester to Illinois (average of $245). Flying from Rochester 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.

See more FAQs

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Alternative routes for Rochester to Illinois

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Top 3 airlines flying from Rochester to Illinois

Discover the top 3 airlines that operate flights from Rochester 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$199Average$449FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$223Average$344FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$287Average$393FlexibilityNo cancel feeOn-time63%

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