Illinois

$78+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Mar 21 — Mar 281
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Cheap 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 February 19, 2026.

This United Airlines deal was found by Cheapflights users on 2/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/36:00 am
ROC
-
PAH
2 stops8h 27m
United Airlines
Sat 3/75:00 am
PAH
-
ROC
1 stop7h 45m
United Airlines
Deal found 2/16$274
This Delta deal was found by Cheapflights users on 2/18. 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 3/1112:52 pm
ROC
-
STL
1 stop6h 01m
Delta
Wed 3/185:59 pm
STL
-
ROC
1 stop4h 00m
Delta
Deal found 2/18$297
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Mon 3/167:08 pm
ROC
-
STL
1 stop5h 36m
American Airlines
Wed 3/182:29 pm
STL
-
ROC
1 stop6h 23m
American Airlines
Deal found 2/19$307
This United Airlines deal was found by Cheapflights users on 2/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/96:20 am
ROC
-
ORD
Nonstop2h 06m
United Airlines
Mon 4/136:20 pm
ORD
-
ROC
Nonstop1h 49m
United Airlines
Deal found 2/17$315
This Southwest deal was found by Cheapflights users on 2/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/217:30 pm
ROC
-
MDW
Nonstop1h 55m
Southwest
Mon 3/237:40 pm
MDW
-
ROC
Nonstop1h 35m
Southwest
Deal found 2/17$315
This Delta deal was found by Cheapflights users on 2/18. 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.
Sat 3/146:00 am
ROC
-
ORD
1 stop4h 10m
Delta
Wed 3/186:00 am
ORD
-
ROC
1 stop4h 35m
Delta
Deal found 2/18$316
This Delta deal was found by Cheapflights users on 2/18. 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.
Sat 3/146:00 am
ROC
-
MDW
1 stop3h 53m
Delta
Wed 3/186:34 pm
MDW
-
ROC
1 stop3h 25m
Delta
Deal found 2/18$316
This American Airlines deal was found by Cheapflights users on 2/19. 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 4/98:24 pm
ROC
-
STL
1 stop4h 22m
American Airlines
Mon 4/134:30 pm
STL
-
ROC
1 stop6h 08m
American Airlines
Deal found 2/19$317
This American Airlines deal was found by Cheapflights users on 2/17. 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.
Thu 4/306:45 am
ROC
-
ORD
1 stop6h 55m
American Airlines
Sun 5/35:00 am
ORD
-
ROC
1 stop7h 00m
American Airlines
Deal found 2/17$317
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 3/59:25 am
ROC
-
ORD
2 stops11h 22m
Multiple Airlines
Thu 3/1212:34 pm
ORD
-
ROC
1 stop28h 06m
Multiple Airlines
Deal found 2/17$319
This Priceline deal was found by Cheapflights users on 2/16. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/151:21 pm
ROC
-
ORD
1 stop8h 23m
JetBlue
Fri 8/215:12 pm
ORD
-
ROC
1 stop5h 24m
JetBlue
Deal found 2/16$320
This American Airlines deal was found by Cheapflights users on 2/17. 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 4/76:00 am
ROC
-
ORD
Nonstop2h 17m
American Airlines
Fri 4/105:00 am
ORD
-
ROC
1 stop7h 00m
American Airlines
Deal found 2/17$322

Find flight deals from Rochester to Illinois

Keep the following information in mind while searching for Rochester to Illinois flight deals. Data was last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$274
(United Airlines)

One-way from

$78
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$414

Good round-trip deal

$362 or less

Good one-way deal

$168 or less
Provider with most accurate pricing for Greater Rochester Intl-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Greater Rochester Intl-Chicago (CHI) flights.
From Greater Rochester Intl to Illinois
One-way flight from Greater Rochester Intl to Illinois
Highest demand for flights based on searches. 13% potential increase in price ($59 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in February 2026
Price to beat on a round-trip flight from Greater Rochester Intl to Illinois.
Price to beat on a one-way flight from Greater Rochester Intl to Illinois.

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 February 19, 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

RochesterPaducah

ROC - PAH

ROCPAH

Greater Rochester Intl

Tue 3/3

6:00 am-1:27 pm

2 stops8h 27m

Paducah Barkley Regional

Sat 3/7

5:00 am-1:45 pm

1 stop7h 45m

$274

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 3/11

12:52 pm-5:53 pm

1 stop6h 01m

Lambert-St Louis

Wed 3/18

5:59 pm-10:59 pm

1 stop4h 00m

$297

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 5/5

5:51 pm-9:08 pm

1 stop4h 17m

Lambert-St Louis

Sat 5/9

7:45 am-1:38 pm

1 stop4h 53m

$297

RochesterChicago

ROC - MDW

ROCMDW

Greater Rochester Intl

Sat 4/18

8:05 am-8:55 am

Nonstop1h 50m

Chicago Midway

Mon 4/20

6:45 pm-9:20 pm

Nonstop1h 35m

$315

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Mon 3/16

6:45 am-7:55 am

Nonstop2h 10m

Chicago O'Hare Intl

Thu 3/19

6:12 pm-9:03 pm

Nonstop1h 51m

$315

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 3/16

12:03 pm-4:32 pm

1 stop5h 29m

Lambert-St Louis

Thu 3/19

6:32 am-11:23 am

1 stop3h 51m

$321

RochesterChicago

ROC - MDW

ROCMDW

Greater Rochester Intl

Sat 3/21

7:30 pm-8:25 pm

Nonstop1h 55m

Chicago Midway

Tue 3/24

9:20 am-4:15 pm

1 stop5h 55m

$325

RochesterChicago

ROC - MDW

ROCMDW

Greater Rochester Intl

Sat 3/21

5:50 pm-11:00 pm

1 stop6h 10m

Chicago Midway

Mon 3/23

7:40 pm-10:15 pm

Nonstop1h 35m

$325

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 3/26

6:45 am-7:55 am

Nonstop2h 10m

Chicago O'Hare Intl

Mon 3/30

6:01 pm-11:42 pm

1 stop4h 41m

$325

RochesterChicago

ROC - MDW

ROCMDW

Greater Rochester Intl

Thu 4/23

4:00 pm-10:20 pm

1 stop7h 20m

Chicago Midway

Sat 4/25

3:35 pm-6:05 pm

Nonstop1h 30m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

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 March is currently the most expensive (average of $226). 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 February 19, 2026.

It’s optimal to fly from Rochester to Illinois in the afternoon. By choosing this option you can save up to 18% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Rochester to Illinois?

Use this chart to determine the cheapest time to fly round-trip from Rochester to Illinois. Price data was last updated on February 17, 2026.

Travelers seeking maximum savings on their Rochester to Illinois flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 February 19, 2026.

The most flights from ROC to USIL are scheduled on a Monday (29 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 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 February 19, 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.

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

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?

    United Airlines, Delta, and Southwest can get you from Rochester to Illinois in just under 1h 50m. Your travel time can differ by up to 6h 37m. Rochester and Illinois are separated by a distance of 521 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 $123 while deals on United Airlines start at $125 one-way.

  • What are the most popular routes 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 Qatar Airways (98%), Envoy Air (88%) and Japan Airlines (80%).

  • What are the cheapest flights from Rochester to Illinois?

    On average you can expect to pay $928 for a flight from Rochester to Illinois. The cheapest flight overall is $123 while the most popular route, (Greater Rochester Intl - Chicago O'Hare Intl) is currently priced at $225.

  • 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 March is currently the most expensive (average of $226). 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

See prices for flight routes from nearby airports that may be better suited for you.

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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$209Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$241Average$367FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$303Average$391FlexibilityNo cancel feeOn-time63%

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