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$69+ Cheap flights from Rochester, NY (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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
ROC — ORD
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$194
(Booking.com)

One-way from

$69
(FlightHub)

Popular in

April

Cheapest in

July

Average price

$358

Good round-trip deal

$362 or less

Good one-way deal

$187 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. 3% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1310:55 amROC - STL
1 stop8h 37mSpirit Airlines
sáb. 5/177:37 pmSTL - ROC
1 stop13h 23mSpirit Airlines
Deal found 2/19$194
This American Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 5/223:00 pmROC - ORD
Nonstop2h 00mAmerican Airlines
mar. 5/2711:47 amORD - ROC
Nonstop1h 43mAmerican Airlines
Deal found 2/20$209
This Mytrip deal was found by Cheapflights users on 2/20. 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.
jue. 4/312:14 pmROC - ORD
1 stop7h 42mSpirit Airlines
lun. 4/78:33 pmORD - ROC
2 stops19h 05mSpirit Airlines
Deal found 2/20$213
This United Airlines deal was found by Cheapflights users on 2/20. 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.
jue. 4/36:20 amROC - ORD
Nonstop2h 05mUnited Airlines
lun. 4/75:59 pmORD - ROC
1 stop4h 45mUnited Airlines
Deal found 2/20$214
This Delta deal was found by Cheapflights users on 2/20. 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.
lun. 4/79:52 amROC - MDW
1 stop3h 43mDelta
lun. 4/145:59 pmMDW - ROC
1 stop3h 58mDelta
Deal found 2/20$217
This Delta deal was found by Cheapflights users on 2/20. 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.
mié. 3/261:05 pmROC - ORD
1 stop6h 51mDelta
sáb. 3/2911:13 amORD - ROC
1 stop4h 58mDelta
Deal found 2/20$223
This Southwest deal was found by Cheapflights users on 2/20. 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.
sáb. 5/175:20 pmROC - MDW
1 stop4h 05mSouthwest
mar. 5/205:55 amMDW - ROC
1 stop6h 10mSouthwest
Deal found 2/20$253
This Southwest deal was found by Cheapflights users on 2/20. 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.
sáb. 5/176:00 amROC - ORD
2 stops11h 45mSouthwest
mar. 5/206:00 amORD - ROC
1 stop6h 05mSouthwest
Deal found 2/20$273
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/1310:55 amROC - STL
1 stop8h 37mMultiple Airlines
sáb. 5/1712:15 pmSTL - ROC
3 stops20h 45mMultiple Airlines
Deal found 2/19$280
This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 3/1812:04 pmROC - STL
1 stop5h 44mDelta
jue. 3/206:00 amSTL - ROC
1 stop5h 09mDelta
Deal found 2/20$287
This JetBlue Airways deal was found by Cheapflights users on 2/20. 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 Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/27:10 amROC - ORD
1 stop6h 07mJetBlue
dom. 5/46:20 amORD - ROC
1 stop4h 47mJetBlue
Deal found 2/20$288
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mar. 3/183:57 pmROC - STL
2 stops7h 25mAmerican Airlines
jue. 3/205:55 amSTL - ROC
1 stop4h 02mAmerican Airlines
Deal found 2/20$292

Find flights from Rochester to Illinois within your budget

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 febrero 20, 2025.

Fly from

Rochester

Fly to

Illinois

Route

Depart

Return

Price

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

mar. 5/13

10:55 am-6:32 pm

1 stop8h 37m

Lambert-St Louis

sáb. 5/17

7:37 pm-10:00 am

1 stop13h 23m

$194

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

jue. 4/3

12:14 pm-6:56 pm

1 stop7h 42m

Chicago O'Hare Intl

lun. 4/7

9:08 pm-11:19 am

1 stop13h 11m

$209

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

jue. 4/3

6:20 am-7:25 am

Nonstop2h 05m

Chicago O'Hare Intl

lun. 4/7

5:59 pm-11:44 pm

1 stop4h 45m

$214

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

mié. 3/26

1:05 pm-6:56 pm

1 stop6h 51m

Chicago O'Hare Intl

sáb. 3/29

11:13 am-5:11 pm

1 stop4h 58m

$223

RochesterChicago

ROC - MDW

ROCMDW

Rochester Greater Rochester Intl

mié. 3/26

9:52 am-12:36 pm

1 stop3h 44m

Chicago Midway

sáb. 3/29

1:12 pm-5:11 pm

1 stop2h 59m

$223

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

sáb. 5/17

6:01 am-12:18 pm

1 stop7h 17m

Chicago O'Hare Intl

mar. 5/20

8:03 am-10:46 am

Nonstop1h 43m

$227

RochesterChicago

ROC - MDW

ROCMDW

Rochester Greater Rochester Intl

sáb. 5/17

5:20 pm-8:25 pm

1 stop4h 05m

Chicago Midway

mar. 5/20

5:55 am-1:05 pm

1 stop6h 10m

$253

RochesterChicago

ROC - ORD

ROCORD

Rochester Greater Rochester Intl

sáb. 5/17

6:00 am-4:45 pm

2 stops11h 45m

Chicago O'Hare Intl

mar. 5/20

6:00 am-1:05 pm

1 stop6h 05m

$273

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

mar. 5/13

10:55 am-6:32 pm

1 stop8h 37m

Lambert-St Louis

sáb. 5/17

12:15 pm-10:00 am

3 stops20h 45m

$280

RochesterSt. Louis

ROC - STL

ROCSTL

Rochester Greater Rochester Intl

mar. 3/18

12:04 pm-4:48 pm

1 stop5h 44m

Lambert-St Louis

jue. 3/20

6:00 am-12:09 pm

1 stop5h 09m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 31 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.

Travel insights for flights from Rochester to Illinois

Get recent, data-driven insights about flights from Rochester to Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Rochester, New York to Illinois (average of $245). Flying from Rochester, New York 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 febrero 20, 2025.

When flying from Rochester, New York 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, New York 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 febrero 20, 2025.

The most flights from ROC to USIL are scheduled on a Monday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 febrero 20, 2025.
Read reviews from past customers who have flown Southwest, Delta and JetBlue from Rochester to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

JetBlue
7.4
Good
3,070 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Allegiant Air
7.3
Good
765 reviews
Southwest
8.1
Very good
4,411 reviews

Crew

8.7

Comfort

8.1

Entertainment

7.6

Overall

8.1

Boarding

8.2

Food

7.1

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $69. Users have also found prices from $87 and $99 on JetBlue and American Airlines, respectively.

  • What are the most popular routes from Rochester, New York 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, New York to Illinois.

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

    The top 3 most reliable airlines when flying from Rochester, New York to Illinois are Republic Airways (93%), Japan Airlines (83%) and United Airlines (81%).

  • What are the cheapest flights from Rochester, New York to Illinois?

    On average you can expect to pay $969 for a flight from Rochester, New York to Illinois. The cheapest flight overall is $123 while the most popular route, (Rochester Greater Rochester Intl - Chicago O'Hare Intl) is currently priced at $197.

  • 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, New York to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Rochester, New York to Illinois (average of $245). Flying from Rochester, New York 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$179Average$323FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$188Average$350FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$205Average$510FlexibilityNo cancel feeOn-time71%
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