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$214+ Cheap flights from Rochester, MN (RST) 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
RST — ORD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$279
(Delta)

One-way from

$214
(Delta)

Popular in

June

Cheapest in

November

Average price

$417

Good round-trip deal

$372 or less

Good one-way deal

$250 or less
From Rochester to Illinois
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One-way flight from Rochester to Illinois
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Highest demand for flights based on searches. 5% potential increase in price ($19 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 September 2025
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Price to beat on a round-trip flight from Rochester to Illinois.
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Price to beat on a one-way flight from Rochester 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 septiembre 11, 2025.

This Delta deal was found by Cheapflights users on 9/11. 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. 10/157:00 amRST - ORD
1 stop10h 04mDelta
mié. 10/226:08 amORD - RST
1 stop17h 21mDelta
Deal found 9/11$279
This Delta deal was found by Cheapflights users on 9/11. 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. 10/157:00 amRST - ORD
1 stop10h 04mDelta
jue. 10/238:57 amORD - RST
1 stop14h 32mDelta
Deal found 9/11$293
This Delta deal was found by Cheapflights users on 9/11. 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.
sáb. 10/1812:40 pmRST - ORD
1 stop8h 39mDelta
dom. 10/265:37 pmORD - RST
1 stop17h 09mDelta
Deal found 9/11$295
This Delta deal was found by Cheapflights users on 9/11. 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.
sáb. 10/1812:40 pmRST - MDW
1 stop20h 15mDelta
mar. 10/219:20 amMDW - RST
1 stop14h 09mDelta
Deal found 9/11$295
This Delta deal was found by Cheapflights users on 9/11. 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. 10/146:13 pmRST - ORD
1 stop3h 06mDelta
mié. 10/226:08 amORD - RST
1 stop17h 21mDelta
Deal found 9/11$304
This Delta deal was found by Cheapflights users on 9/11. 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. 10/2011:26 amRST - ORD
1 stop8h 17mDelta
lun. 10/276:08 amORD - RST
1 stop11h 25mDelta
Deal found 9/11$307
This American Airlines deal was found by Cheapflights users on 9/11. 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.
sáb. 10/116:08 pmRST - ORD
Nonstop1h 36mAmerican Airlines
sáb. 10/1810:51 amORD - RST
Nonstop1h 24mAmerican Airlines
Deal found 9/11$309
This Delta deal was found by Cheapflights users on 9/11. 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.
dom. 10/127:00 amRST - ORD
1 stop10h 04mDelta
dom. 10/195:37 pmORD - RST
1 stop17h 09mDelta
Deal found 9/11$311
This Delta deal was found by Cheapflights users on 9/11. 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.
sáb. 10/1112:40 pmRST - ORD
1 stop19h 50mDelta
dom. 10/125:37 pmORD - RST
1 stop17h 09mDelta
Deal found 9/11$312
This American Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 10/106:08 pmRST - STL
1 stop5h 46mAmerican Airlines
vie. 10/178:05 pmSTL - RST
1 stop3h 33mAmerican Airlines
Deal found 9/10$316
This Delta deal was found by Cheapflights users on 9/11. 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. 10/146:13 pmRST - ORD
1 stop3h 06mDelta
lun. 10/205:37 pmORD - RST
1 stop17h 09mDelta
Deal found 9/11$318
This Delta deal was found by Cheapflights users on 9/11. 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.
vie. 10/317:00 amRST - ORD
1 stop10h 04mDelta
sáb. 11/86:08 amORD - RST
1 stop4h 48mDelta
Deal found 9/11$320

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 septiembre 11, 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

RochesterChicago

RST - ORD

RSTORD

Rochester

mié. 10/22

6:13 pm-8:30 am

1 stop14h 17m

Chicago O'Hare Intl

mié. 10/29

8:57 am-11:29 pm

1 stop14h 32m

$293

RochesterChicago

RST - ORD

RSTORD

Rochester

lun. 10/27

7:00 am-5:04 pm

1 stop10h 04m

Chicago O'Hare Intl

mar. 11/4

8:57 am-11:29 pm

1 stop14h 32m

$293

RochesterChicago

RST - ORD

RSTORD

Rochester

sáb. 10/18

12:40 pm-9:19 pm

1 stop8h 39m

Chicago O'Hare Intl

dom. 10/26

5:37 pm-10:46 am

1 stop17h 09m

$295

RochesterChicago

RST - ORD

RSTORD

Rochester

sáb. 10/18

12:40 pm-9:19 pm

1 stop8h 39m

Chicago O'Hare Intl

vie. 10/24

6:08 am-5:33 pm

1 stop11h 25m

$295

RochesterChicago

RST - ORD

RSTORD

Rochester

sáb. 11/1

12:40 pm-9:19 pm

1 stop8h 39m

Chicago O'Hare Intl

dom. 11/9

5:37 pm-10:55 am

1 stop17h 18m

$295

RochesterChicago

RST - ORD

RSTORD

Rochester

vie. 10/24

11:26 am-9:03 am

1 stop21h 37m

Chicago O'Hare Intl

sáb. 11/1

6:08 am-10:56 am

1 stop4h 48m

$304

RochesterChicago

RST - ORD

RSTORD

Rochester

lun. 10/20

11:26 am-7:43 pm

1 stop8h 17m

Chicago O'Hare Intl

lun. 10/27

6:08 am-5:33 pm

1 stop11h 25m

$307

RochesterChicago

RST - ORD

RSTORD

Rochester

dom. 10/12

7:00 am-5:04 pm

1 stop10h 04m

Chicago O'Hare Intl

dom. 10/19

5:37 pm-10:46 am

1 stop17h 09m

$311

RochesterChicago

RST - ORD

RSTORD

Rochester

sáb. 10/11

12:40 pm-8:30 am

1 stop19h 50m

Chicago O'Hare Intl

dom. 10/12

5:37 pm-10:46 am

1 stop17h 09m

$312

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

vie. 10/10

6:08 pm-11:54 pm

1 stop5h 46m

Lambert-St Louis

vie. 10/17

8:05 pm-11:38 pm

1 stop3h 33m

$316

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 43 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, Minnesota to Illinois?

Currently, August is the cheapest month in which you can book a flight from Rochester, Minnesota to Illinois (average of $245). Flying from Rochester, Minnesota 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 RST 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 septiembre 11, 2025.

When flying from Rochester, Minnesota 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, Minnesota 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 septiembre 11, 2025.

The most flights from RST to USIL are scheduled on a Thursday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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

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 septiembre 11, 2025.
Read through reviews of airlines operating flights from Rochester to Illinois, such as Delta and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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?

    Rochester (RST), located 7.0 mi from the city center, is the airport you fly out of when you book flights from Rochester to Illinois.

  • How long is the flight from Rochester, Minnesota to Illinois?

    For as low as $316, Delta can have you in Illinois from Rochester, Minnesota in 5h 46m. There are 373 mi between Rochester, Minnesota and Illinois. This flight may include one or multiple stops.

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

    The most popular route from Rochester, Minnesota to Illinois is Rochester - Chicago O'Hare Intl. You may also consider Rochester - Chicago Midway or Rochester - Lambert-St Louis.

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

    The top 3 most reliable airlines when flying from Rochester, Minnesota to Illinois are Envoy Air (78%), Qatar Airways (58%) and American Airlines (56%).

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

    On average you can expect to pay $550 for a flight from Rochester, Minnesota to Illinois. The cheapest flight overall is $191 while the most popular route, (Rochester - Chicago O'Hare Intl) is currently priced at $329.

  • 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, Minnesota to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Rochester, Minnesota to Illinois (average of $245). Flying from Rochester, Minnesota 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 2 airlines flying from Rochester to Illinois

Discover the top 2 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$229Average$351FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$473FlexibilityNo cancel feeOn-timeN/A

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