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$76+ 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$175
(Kiwi.com)

One-way from

$76
(JetBlue)

Popular in

December

Cheapest in

March

Average price

$399

Good round-trip deal

$279 or less

Good one-way deal

$179 or less
Provider with most accurate pricing for Greater Rochester Intl-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Greater Rochester Intl-Chicago (CHI) flights.
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From Greater Rochester Intl to Illinois
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One-way flight from Greater Rochester Intl to Illinois
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Highest demand for flights based on searches. 14% potential increase in price ($61 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Greater Rochester Intl to Illinois.
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Price to beat on a one-way flight from 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 January 6, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:20 pmROC - ORD
2 stops23h 20mMultiple Airlines
Wed 2/115:32 pmORD - ROC
1 stop22h 46mMultiple Airlines
Deal found 1/5$175
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 3/26:20 pmROC - ORD
1 stop6h 17mMultiple Airlines
Thu 3/1212:34 pmORD - ROC
1 stop28h 06mMultiple Airlines
Deal found 1/6$190
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:50 pmROC - ORD
2 stops27h 54mMultiple Airlines
Sat 2/77:21 pmORD - ROC
1 stop22h 40mMultiple Airlines
Deal found 1/5$207
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:50 pmROC - ORD
2 stops22h 50mMultiple Airlines
Wed 2/44:38 pmORD - ROC
1 stop25h 23mMultiple Airlines
Deal found 1/5$212
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:41 pmROC - ORD
1 stop15h 02mMultiple Airlines
Wed 2/44:38 pmORD - ROC
1 stop25h 23mMultiple Airlines
Deal found 1/5$214
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/26:50 pmROC - ORD
2 stops27h 54mMultiple Airlines
Sun 2/87:00 amORD - ROC
1 stop11h 01mMultiple Airlines
Deal found 1/5$216
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:50 pmROC - ORD
2 stops22h 50mMultiple Airlines
Sat 2/77:21 pmORD - ROC
1 stop22h 40mMultiple Airlines
Deal found 1/5$217
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:41 pmROC - ORD
1 stop15h 02mMultiple Airlines
Sat 2/77:21 pmORD - ROC
1 stop22h 40mMultiple Airlines
Deal found 1/5$219
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:50 pmROC - ORD
2 stops22h 50mMultiple Airlines
Sun 2/87:00 amORD - ROC
1 stop11h 01mMultiple Airlines
Deal found 1/5$226
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/284:32 pmROC - ORD
1 stop25h 26mMultiple Airlines
Wed 2/44:38 pmORD - ROC
1 stop25h 23mMultiple Airlines
Deal found 1/5$227
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/297:41 pmROC - ORD
1 stop15h 02mMultiple Airlines
Sun 2/87:00 amORD - ROC
1 stop11h 01mMultiple Airlines
Deal found 1/5$228
This United Airlines deal was found by Cheapflights users on 1/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/306:15 amROC - MLI
1 stop4h 57mUnited Airlines
Sun 2/13:45 pmMLI - ROC
1 stop4h 19mUnited Airlines
Deal found 1/5$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 January 6, 2026.
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

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Fri 2/6

6:20 pm-4:40 pm

2 stops23h 20m

Chicago O'Hare Intl

Wed 2/11

5:32 pm-5:18 pm

1 stop22h 46m

$175

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Wed 2/25

11:59 am-9:57 pm

1 stop10h 58m

Chicago O'Hare Intl

Mon 3/2

2:12 pm-11:55 pm

1 stop8h 43m

$243

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Tue 2/24

11:59 am-9:57 pm

1 stop10h 58m

Chicago O'Hare Intl

Mon 3/2

10:36 am-11:55 pm

1 stop12h 19m

$243

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 1/22

5:21 am-1:14 pm

1 stop8h 53m

Chicago O'Hare Intl

Thu 1/29

10:29 am-11:56 pm

1 stop12h 27m

$252

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 1/22

5:21 am-5:45 pm

1 stop13h 24m

Chicago O'Hare Intl

Tue 1/27

7:00 am-11:56 pm

1 stop15h 56m

$252

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 1/22

5:21 am-5:45 pm

1 stop13h 24m

Chicago O'Hare Intl

Wed 1/28

7:00 am-11:56 pm

1 stop15h 56m

$252

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Tue 1/20

5:21 am-5:45 pm

1 stop13h 24m

Chicago O'Hare Intl

Thu 1/29

10:29 am-11:56 pm

1 stop12h 27m

$252

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Wed 1/21

5:21 am-9:35 pm

1 stop17h 14m

Chicago O'Hare Intl

Tue 1/27

1:57 pm-11:56 pm

1 stop8h 59m

$252

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Sun 2/1

7:41 pm-9:43 am

1 stop15h 02m

Chicago O'Hare Intl

Wed 2/4

8:37 pm-1:25 pm

2 stops15h 48m

$255

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 2/26

11:59 am-9:57 pm

1 stop10h 58m

Chicago O'Hare Intl

Tue 3/3

6:00 am-10:56 pm

1 stop15h 56m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 56 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, July is the cheapest month in which you can book a flight from Rochester to Illinois (average of $77). Flying from Rochester to Illinois in January is currently the most expensive (average of $217). 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 January 6, 2026.

It’s optimal to fly from Rochester to Illinois in the afternoon. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at noon.

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 January 6, 2026.

The most flights from ROC to USIL are scheduled on a Tuesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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 January 6, 2026.
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

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,018 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,132 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,084 reviews
Southwest
8.0
Very good
4,248 reviews

Overall

8.0

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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. Greater Rochester Intl (ROC) is located 3.8 mi from the center of Rochester.

  • How long is the flight from Rochester to Illinois?

    Delta, United Airlines, and American Airlines can get you from Rochester to Illinois in just under 4h 57m. Your travel time can differ by up to 7h 17m. 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 Southwest, which is currently one of the cheapest options available, starting at $108. American Airlines flights start at $118 while deals on United Airlines start at $124 one-way.

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

    While some choose either Greater Rochester Intl - Chicago Midway or Greater Rochester Intl - Lambert-St Louis, 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 SkyWest Airlines (100%), Qatar Airways (75%) and British Airways (70%).

  • What are the cheapest flights from Rochester to Illinois?

    On average you can expect to pay $884 for a flight from Rochester to Illinois. The cheapest flight overall is $115 while the most popular route, (Greater Rochester Intl - Chicago O'Hare Intl) is currently priced at $175.

  • 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, July is the cheapest month in which you can book a flight from Rochester to Illinois (average of $77). Flying from Rochester to Illinois in January is currently the most expensive (average of $217). 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$435FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$240Average$355FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$303Average$393FlexibilityNo cancel feeOn-time63%

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