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$188+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.
RST — ORD
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Delta)

One-way from

$188
(Delta)

Popular in

October

Cheapest in

November

Average price

$688

Good round-trip deal

$358 or less

Good one-way deal

$291 or less
Provider with most accurate pricing for Rochester-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Rochester-Chicago (CHI) flights.
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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. 15% potential increase in price ($75 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 28, 2025.

This Delta deal was found by Cheapflights users on 10/27. 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 12/211:40 amRST - STL
1 stop5h 09mDelta
Thu 12/116:00 amSTL - RST
1 stop5h 00mDelta
Deal found 10/27$238
This American Airlines deal was found by Cheapflights users on 10/27. 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 11/117:00 amRST - STL
1 stop4h 42mAmerican Airlines
Sat 11/157:58 pmSTL - RST
1 stop4h 01mAmerican Airlines
Deal found 10/27$248
This Delta deal was found by Cheapflights users on 10/28. 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 12/211:40 amRST - ORD
1 stop21h 00mDelta
Thu 12/118:50 amORD - RST
1 stop6h 38mDelta
Deal found 10/28$275
This American Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 11/86:39 pmRST - STL
1 stop5h 17mAmerican Airlines
Tue 11/111:43 pmSTL - RST
1 stop4h 24mAmerican Airlines
Deal found 10/27$278
This Delta deal was found by Cheapflights users on 10/27. 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 11/2211:35 amRST - STL
1 stop5h 14mDelta
Tue 12/26:00 amSTL - RST
1 stop5h 00mDelta
Deal found 10/27$287
This Delta deal was found by Cheapflights users on 10/28. 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.
Sun 12/74:20 pmRST - ORD
1 stop16h 20mDelta
Sat 12/135:42 pmORD - RST
1 stop3h 20mDelta
Deal found 10/28$302
This Delta deal was found by Cheapflights users on 10/26. 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 11/277:00 amRST - ORD
1 stop9h 52mDelta
Wed 12/36:00 amORD - RST
1 stop9h 28mDelta
Deal found 10/26$305
This American Airlines deal was found by Cheapflights users on 10/26. 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 12/36:35 amRST - ORD
Nonstop1h 44mAmerican Airlines
Sat 12/610:45 amORD - RST
Nonstop1h 26mAmerican Airlines
Deal found 10/26$309
This Delta deal was found by Cheapflights users on 10/26. 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 11/277:00 amRST - ORD
1 stop9h 52mDelta
Sat 11/296:00 amORD - RST
1 stop4h 55mDelta
Deal found 10/26$312
This Delta deal was found by Cheapflights users on 10/26. 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 11/257:00 amRST - MDW
1 stop6h 07mDelta
Thu 11/279:41 amMDW - RST
1 stop7h 54mDelta
Deal found 10/26$312
This Delta deal was found by Cheapflights users on 10/26. 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 12/211:40 amRST - ORD
1 stop21h 00mDelta
Mon 12/86:00 amORD - RST
1 stop16h 51mDelta
Deal found 10/26$315
This Delta deal was found by Cheapflights users on 10/26. 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 12/24:20 pmRST - MDW
1 stop20h 50mDelta
Tue 12/97:02 pmMDW - RST
1 stop15h 58mDelta
Deal found 10/26$315

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 October 28, 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

RST - STL

RSTSTL

Rochester

Sat 4/11

11:15 am-2:31 pm

1 stop3h 16m

Lambert-St Louis

Wed 4/15

6:30 am-10:46 am

1 stop4h 16m

$238

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Tue 12/2

11:40 am-4:49 pm

1 stop5h 09m

Lambert-St Louis

Thu 12/11

6:00 am-11:00 am

1 stop5h 00m

$238

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Tue 11/11

12:36 pm-4:47 pm

1 stop4h 11m

Lambert-St Louis

Sat 11/15

2:08 pm-11:59 pm

2 stops9h 51m

$254

RochesterChicago

RST - ORD

RSTORD

Rochester

Wed 2/11

6:45 am-5:56 pm

1 stop11h 11m

Chicago O'Hare Intl

Thu 2/19

6:00 am-4:08 pm

1 stop10h 08m

$275

RochesterChicago

RST - ORD

RSTORD

Rochester

Mon 2/2

11:40 am-9:42 pm

1 stop10h 02m

Chicago O'Hare Intl

Tue 2/10

8:50 am-3:59 pm

1 stop7h 09m

$275

RochesterChicago

RST - ORD

RSTORD

Rochester

Thu 12/11

11:40 am-7:55 pm

1 stop8h 15m

Chicago O'Hare Intl

Wed 12/17

8:50 am-3:28 pm

1 stop6h 38m

$275

RochesterChicago

RST - ORD

RSTORD

Rochester

Wed 1/21

6:45 am-5:56 pm

1 stop11h 11m

Chicago O'Hare Intl

Thu 1/29

8:50 am-3:59 pm

1 stop7h 09m

$275

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 11/8

6:39 pm-11:56 pm

1 stop5h 17m

Lambert-St Louis

Tue 11/11

1:43 pm-6:07 pm

1 stop4h 24m

$278

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 11/22

11:35 am-4:49 pm

1 stop5h 14m

Lambert-St Louis

Sat 11/29

6:00 am-10:55 am

1 stop4h 55m

$287

RochesterChicago

RST - ORD

RSTORD

Rochester

Thu 11/27

7:00 am-4:52 pm

1 stop9h 52m

Chicago O'Hare Intl

Wed 12/3

6:00 am-3:28 pm

1 stop9h 28m

$305

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 47 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, April is the cheapest month in which you can book a flight from Rochester, Minnesota to Illinois (average of $55). Flying from Rochester, Minnesota to Illinois in January is currently the most expensive (average of $118). 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 October 28, 2025.

When flying from Rochester, Minnesota to Illinois, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 67% versus a flight in the afternoon.

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 October 28, 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
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,994 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,032 reviews
Delta
7.9
Good
7,994 reviews

Boarding

8.2

Crew

8.5

Overall

7.9

Comfort

7.9

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 $238, Delta can have you in Illinois from Rochester, Minnesota in 3h 16m. 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 Qatar Airways (84%), Envoy Air (78%) and British Airways (71%).

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

    On average you can expect to pay $393 for a flight from Rochester, Minnesota to Illinois. The cheapest flight overall is $193 while the most popular route, (Rochester - Chicago O'Hare Intl) is currently priced at $328.

  • 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, April is the cheapest month in which you can book a flight from Rochester, Minnesota to Illinois (average of $55). Flying from Rochester, Minnesota to Illinois in January is currently the most expensive (average of $118). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$229Average$357FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$473FlexibilityNo cancel feeOn-timeN/A

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