Illinois

$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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
Jul 9 — Jul 161
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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 June 9, 2026.

This Delta deal was found by Cheapflights users on 6/8. 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 8/2012:40 pm
ROC
-
STL
1 stop5h 58m
Delta
Thu 8/276:25 pm
STL
-
ROC
1 stop3h 27m
Delta
Deal found 6/8$303
This American Airlines deal was found by Cheapflights users on 6/4. 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 8/138:26 pm
ROC
-
MLI
1 stop4h 42m
American Airlines
Tue 8/1811:43 am
MLI
-
ROC
2 stops10h 20m
American Airlines
Deal found 6/4$314
This Delta deal was found by Cheapflights users on 6/4. 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.
Fri 11/136:00 am
ROC
-
MLI
1 stop5h 26m
Delta
Sun 11/155:00 pm
MLI
-
ROC
1 stop5h 53m
Delta
Deal found 6/4$319
This Delta deal was found by Cheapflights users on 6/4. 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 7/166:15 pm
ROC
-
MLI
1 stop5h 16m
Delta
Thu 7/235:05 pm
MLI
-
ROC
1 stop5h 43m
Delta
Deal found 6/4$334
This Southwest deal was found by Cheapflights users on 6/8. 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.
Mon 10/56:00 am
ROC
-
STL
1 stop5h 30m
Southwest
Thu 10/85:40 am
STL
-
ROC
1 stop3h 45m
Southwest
Deal found 6/8$345
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/225:43 pm
ROC
-
STL
1 stop4h 38m
American Airlines
Sun 7/266:00 am
STL
-
ROC
1 stop4h 39m
American Airlines
Deal found 6/4$359
This Southwest deal was found by Cheapflights users on 6/8. 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.
Thu 8/204:05 pm
ROC
-
STL
2 stops7h 00m
Southwest
Thu 8/272:20 pm
STL
-
ROC
1 stop5h 35m
Southwest
Deal found 6/8$360
This United Airlines deal was found by Cheapflights users on 6/8. 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 8/255:52 pm
ROC
-
STL
1 stop5h 08m
United Airlines
Wed 8/266:00 am
STL
-
ROC
2 stops7h 13m
United Airlines
Deal found 6/8$362
This Delta deal was found by Cheapflights users on 6/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:16 am
ROC
-
STL
1 stop4h 15m
Delta
Sun 7/266:30 am
STL
-
ROC
1 stop4h 15m
Delta
Deal found 6/5$364
This Delta deal was found by Cheapflights users on 6/6. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/46:10 am
ROC
-
STL
1 stop4h 22m
Delta
Sat 7/116:09 pm
STL
-
ROC
1 stop3h 38m
Delta
Deal found 6/6$366
This Southwest deal was found by Cheapflights users on 6/7. 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.
Fri 9/256:45 pm
ROC
-
STL
1 stop4h 20m
Southwest
Sun 9/275:00 am
STL
-
ROC
1 stop8h 20m
Southwest
Deal found 6/7$370
This American Airlines deal was found by Cheapflights users on 6/7. 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 7/88:32 pm
ROC
-
STL
1 stop4h 44m
American Airlines
Wed 7/159:39 am
STL
-
ROC
1 stop7h 18m
American Airlines
Deal found 6/7$381

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 June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$303
(Delta)

One-way from

$85
(JetBlue)

Popular in

February

Cheapest in

September

Average price

$449

Good round-trip deal

$398 or less

Good one-way deal

$215 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. 3% potential increase in price ($16 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in June 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 June 9, 2026.
Use the filters below to find and compare flights from Rochester to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Fri 11/13

10:45 am-1:51 pm

1 stop4h 06m

Moline Quad-City

Sun 11/15

2:26 pm-9:08 pm

1 stop5h 42m

$319

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Fri 11/13

6:00 am-10:26 am

1 stop5h 26m

Moline Quad-City

Sun 11/15

5:00 pm-11:53 pm

1 stop5h 53m

$319

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Fri 7/10

8:42 pm-12:41 am

1 stop4h 59m

Moline Quad-City

Mon 7/13

6:50 pm-11:56 pm

1 stop4h 06m

$319

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Fri 7/31

6:00 am-10:12 am

1 stop5h 12m

Moline Quad-City

Mon 8/3

5:09 pm-11:50 pm

1 stop5h 41m

$319

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Mon 6/22

5:52 pm-11:16 pm

1 stop6h 24m

Moline Quad-City

Mon 6/29

3:47 pm-9:22 pm

1 stop4h 35m

$324

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Thu 7/16

6:15 pm-10:31 pm

1 stop5h 16m

Moline Quad-City

Thu 7/23

5:05 pm-11:48 pm

1 stop5h 43m

$334

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Mon 6/22

6:21 pm-10:34 pm

1 stop5h 13m

Moline Quad-City

Mon 6/29

11:08 am-11:29 pm

2 stops11h 21m

$339

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 10/5

6:00 am-10:30 am

1 stop5h 30m

Lambert-St Louis

Thu 10/8

5:40 am-10:25 am

1 stop3h 45m

$345

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Thu 9/10

4:05 pm-10:05 pm

2 stops7h 00m

Lambert-St Louis

Sun 9/13

5:00 am-2:20 pm

1 stop8h 20m

$385

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Wed 9/2

6:16 am-9:37 am

1 stop4h 21m

Lambert-St Louis

Wed 9/9

5:30 pm-12:02 am

1 stop5h 32m

$391

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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, February is the cheapest month in which you can book a flight from Rochester to Illinois (average of $75). Flying from Rochester to Illinois in June is currently the most expensive (average of $293). 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 June 9, 2026.

It’s optimal to fly from Rochester to Illinois in the afternoon. By choosing this option you can save up to 33% 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 June 9, 2026.

The most flights from ROC to USIL are scheduled on a Monday (25 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (20 on average).

How much does it cost to fly round-trip from Rochester to Illinois?

How far ahead should I book a flight from Rochester to Illinois?

The best time to book flights from Rochester to Illinois is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 June 8, 2026.

Travelers seeking maximum savings on their Rochester to Illinois flight should consider departing on Tuesday evenings 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.

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 June 9, 2026.
Get a feel of what it's like to fly with Southwest,United Airlines, andAmerican 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.

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

Entertainment

7.5

Boarding

8.1

Overall

7.9

Food

7.0

Comfort

8.0

Crew

8.6

Reviews

1 / 20
8.0
Excellent

La Tracimeldamarcos,Jun 2026

LAX - SLC

The second flight was not as comfortable as the first as we had to change planes to what seemed to be a slightly older aircraft. The seats weren’t as comfortable as the other plane. But it wasn’t bad.

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 4h 06m. Your travel time can differ by up to 1h 24m. 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 $123 while deals on United Airlines start at $134 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 Republic Airways (92%), ANA (88%) and Japan Airlines (87%).

  • What are the cheapest flights from Rochester to Illinois?

    On average you can expect to pay $1,060 for a flight from Rochester to Illinois. The cheapest flight overall is $159 while the most popular route, (Greater Rochester Intl - Chicago O'Hare Intl) is currently priced at $169.

  • 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, February is the cheapest month in which you can book a flight from Rochester to Illinois (average of $75). Flying from Rochester to Illinois in June is currently the most expensive (average of $293). 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$259Average$416FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$283Average$436FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$305Average$440FlexibilityNo cancel feeOn-time63%

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