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$85+ 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
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 November 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$226
(Kiwi.com)

One-way from

$85
(Priceline)

Popular in

November

Cheapest in

January

Average price

$426

Good round-trip deal

$334 or less

Good one-way deal

$156 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. 7% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/17. 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.
Sun 12/146:56 pmROC - STL
1 stop28h 37mMultiple Airlines
Sat 1/105:11 pmSTL - ROC
2 stops19h 14mMultiple Airlines
Deal found 11/17$226
This Mytrip deal was found by Cheapflights users on 11/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/126:56 pmROC - ORD
2 stops17h 12mSpirit Airlines
Sun 12/143:26 pmORD - ROC
2 stops25h 25mSpirit Airlines
Deal found 11/16$271
This Kiwi.com deal was found by Cheapflights users on 11/16. 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 12/186:00 pmROC - ORD
1 stop15h 52mMultiple Airlines
Thu 1/157:00 amORD - ROC
1 stop11h 01mMultiple Airlines
Deal found 11/16$272
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/46:56 pmROC - ORD
1 stop19h 20mMultiple Airlines
Sun 12/77:20 amORD - ROC
1 stop9h 31mMultiple Airlines
Deal found 11/17$278
This Mytrip deal was found by Cheapflights users on 11/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:00 pmROC - ORD
2 stops18h 14mSpirit Airlines
Wed 1/77:20 amORD - ROC
1 stop8h 35mSpirit Airlines
Deal found 11/16$281
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/22:50 pmROC - ORD
2 stops19h 27mMultiple Airlines
Sat 12/63:26 pmORD - ROC
2 stops25h 25mMultiple Airlines
Deal found 11/17$282
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/56:56 pmROC - STL
1 stop28h 37mMultiple Airlines
Sun 12/79:54 amSTL - ROC
1 stop6h 57mMultiple Airlines
Deal found 11/17$288
This Mytrip deal was found by Cheapflights users on 11/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/156:56 pmROC - ORD
2 stops17h 12mMultiple Airlines
Tue 12/163:26 pmORD - ROC
3 stops21h 58mMultiple Airlines
Deal found 11/17$296
This Delta deal was found by Cheapflights users on 11/17. 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 12/212:27 pmROC - STL
1 stop4h 39mDelta
Sat 12/65:12 pmSTL - ROC
1 stop5h 42mDelta
Deal found 11/17$297
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 12/311:40 amROC - ORD
2 stops24h 28mMultiple Airlines
Sat 12/62:26 pmORD - ROC
1 stop26h 25mMultiple Airlines
Deal found 11/17$301
This American Airlines deal was found by Cheapflights users on 11/17. 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 12/26:19 pmROC - STL
1 stop6h 37mAmerican Airlines
Sat 12/65:02 amSTL - ROC
2 stops9h 28mAmerican Airlines
Deal found 11/17$302
This JetBlue deal was found by Cheapflights users on 11/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/84:05 pmROC - ORD
1 stop6h 47mJetBlue
Thu 12/117:00 amORD - ROC
1 stop7h 10mJetBlue
Deal found 11/17$303

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 November 18, 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

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 12/16

12:27 pm-6:33 pm

1 stop7h 06m

Lambert-St Louis

Sat 1/10

6:00 am-1:13 pm

1 stop6h 13m

$297

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 1/13

6:00 am-9:39 am

1 stop4h 39m

Lambert-St Louis

Wed 1/14

9:45 am-5:53 pm

1 stop7h 08m

$297

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 12/2

12:27 pm-4:06 pm

1 stop4h 39m

Lambert-St Louis

Sat 12/6

5:12 pm-11:54 pm

1 stop5h 42m

$297

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 12/2

6:19 pm-11:56 pm

1 stop6h 37m

Lambert-St Louis

Sat 12/6

5:02 am-3:30 pm

2 stops9h 28m

$302

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Mon 12/8

4:05 pm-9:52 pm

1 stop6h 47m

Chicago O'Hare Intl

Thu 12/11

7:00 am-3:10 pm

1 stop7h 10m

$303

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Mon 1/5

6:00 pm-4:00 pm

2 stops23h 00m

Chicago O'Hare Intl

Tue 1/6

6:05 pm-4:55 pm

3 stops21h 50m

$307

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Wed 1/21

6:11 pm-10:28 pm

1 stop5h 17m

Moline Quad-City

Sat 1/24

5:20 pm-11:53 am

2 stops17h 33m

$311

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Wed 1/21

6:00 am-10:58 am

1 stop5h 58m

Moline Quad-City

Sat 1/24

11:28 am-4:30 pm

1 stop4h 02m

$319

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Fri 12/19

6:00 pm-10:33 pm

1 stop29h 33m

Lambert-St Louis

Sat 1/10

5:11 pm-1:25 pm

2 stops19h 14m

$323

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Wed 1/21

10:37 am-9:36 pm

2 stops11h 59m

Moline Quad-City

Sat 1/24

10:47 am-11:12 pm

2 stops11h 25m

$329

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/17

Showing 1-10 of 59 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 $218). 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 November 18, 2025.

It’s optimal to fly from Rochester to Illinois in the afternoon. By choosing this option you can save up to 25% 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 November 18, 2025.

The most flights from ROC to USIL are scheduled on a Monday (26 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 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 November 18, 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

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
7.9
Good
8,003 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
9,019 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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
11,045 reviews
Southwest
8.0
Very good
4,248 reviews

Crew

8.6

Comfort

8.0

Food

7.0

Overall

8.0

Boarding

8.1

Entertainment

7.5

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

  • How long is the flight from Rochester to Illinois?

    Delta, American Airlines, and JetBlue can get you from Rochester to Illinois in just under 6h 37m. Your travel time can differ by up to 29m. Rochester and Illinois are separated by a distance of 727 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 $97. Avelo Airlines flights start at $111 while deals on Spirit Airlines start at $113 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 (94%), Qatar Airways (91%) and ANA (84%).

  • What are the cheapest flights from Rochester to Illinois?

    On average you can expect to pay $1,078 for a flight from Rochester to Illinois. The cheapest flight overall is $125 while the most popular route, (Greater Rochester Intl - Chicago O'Hare Intl) is currently priced at $206.

  • 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 $218). 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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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 November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$198Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$240Average$346FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$303Average$393FlexibilityNo cancel feeOn-time63%

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