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Illinois

$176+ 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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
RST — ORD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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 December 12, 2025.

This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/256:36 pmRST - STL
1 stop3h 40mDelta
Mon 12/296:05 amSTL - RST
1 stop6h 01mDelta
Deal found 12/10$268
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/126:45 amRST - STL
1 stop6h 44mAmerican Airlines
Sun 12/147:35 pmSTL - RST
1 stop4h 24mAmerican Airlines
Deal found 12/11$398
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Tue 12/236:14 pmRST - ORD
Nonstop1h 35mAmerican Airlines
Wed 1/79:00 pmORD - RST
Nonstop1h 22mAmerican Airlines
Deal found 12/11$399
This Delta deal was found by Cheapflights users on 12/11. 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.
Sat 12/1311:40 amRST - MDW
1 stop6h 38mDelta
Tue 12/169:59 amMDW - RST
1 stop5h 29mDelta
Deal found 12/11$418
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/256:18 amRST - ORD
Nonstop1h 41mAmerican Airlines
Mon 12/299:08 amORD - RST
Nonstop1h 28mAmerican Airlines
Deal found 12/10$429
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Thu 12/2511:06 amRST - STL
2 stops8h 24mAmerican Airlines
Mon 12/296:41 amSTL - RST
1 stop3h 55mAmerican Airlines
Deal found 12/10$439
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:20 amRST - MDW
1 stop4h 46mDelta
Thu 1/111:48 amMDW - RST
1 stop6h 08mDelta
Deal found 12/10$448
This American Airlines deal was found by Cheapflights users on 12/10. 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.
Sat 12/1312:41 pmRST - ORD
Nonstop1h 33mAmerican Airlines
Sun 12/1410:31 pmORD - RST
Nonstop1h 28mAmerican Airlines
Deal found 12/10$464
This Delta deal was found by Cheapflights users on 12/9. 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 12/256:20 amRST - MDW
1 stop4h 46mDelta
Mon 12/295:59 pmMDW - RST
1 stop5h 03mDelta
Deal found 12/9$478
This American Airlines deal was found by Cheapflights users on 12/11. 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.
Thu 12/186:39 amRST - ORD
Nonstop1h 41mAmerican Airlines
Sun 12/2110:22 pmORD - RST
Nonstop1h 23mAmerican Airlines
Deal found 12/11$489
This Delta deal was found by Cheapflights users on 12/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/1311:40 amRST - ORD
1 stop5h 17mDelta
Sun 12/145:42 pmORD - RST
1 stop5h 09mDelta
Deal found 12/10$493
This Delta deal was found by Cheapflights users on 12/11. 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.
Sat 12/1311:40 amRST - MDW
1 stop6h 38mDelta
Mon 12/159:59 amMDW - RST
1 stop5h 29mDelta
Deal found 12/11$493

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$213
(Delta)

One-way from

$176
(Delta)

Popular in

October

Cheapest in

August

Average price

$409

Good round-trip deal

$332 or less

Good one-way deal

$265 or less
Provider with most accurate pricing for Rochester-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Rochester-Chicago (CHI) flights.
Search Deals
From Rochester to Illinois
Search Deals
One-way flight from Rochester to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Rochester to Illinois.
Search Deals
Price to beat on a one-way flight from Rochester to Illinois.
Search Deals

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 December 12, 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 2/14

6:30 am-10:43 am

1 stop4h 13m

Lambert-St Louis

Tue 2/17

6:10 am-10:59 am

1 stop4h 49m

$213

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 12/25

6:36 pm-10:16 pm

1 stop3h 40m

Lambert-St Louis

Mon 12/29

6:05 am-12:06 pm

1 stop6h 01m

$268

RochesterChicago

RST - MDW

RSTMDW

Rochester

Sat 1/17

6:45 am-11:05 am

1 stop4h 20m

Chicago Midway

Sun 1/18

7:16 pm-10:48 pm

1 stop3h 32m

$328

RochesterChicago

RST - ORD

RSTORD

Rochester

Thu 5/7

3:15 pm-4:43 pm

Nonstop1h 28m

Chicago O'Hare Intl

Sun 5/10

9:05 pm-10:37 pm

Nonstop1h 32m

$329

RochesterChicago

RST - ORD

RSTORD

Rochester

Mon 1/12

11:45 am-5:55 pm

1 stop6h 10m

Chicago O'Hare Intl

Tue 1/20

6:45 pm-10:48 pm

1 stop4h 03m

$348

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sun 1/11

6:01 am-10:20 am

1 stop4h 19m

Lambert-St Louis

Tue 1/13

6:00 am-11:06 am

1 stop5h 06m

$352

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Mon 3/9

11:30 am-5:05 pm

1 stop5h 35m

Lambert-St Louis

Thu 3/12

6:10 am-10:50 am

1 stop4h 40m

$352

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sun 2/8

6:45 am-10:43 am

1 stop3h 58m

Lambert-St Louis

Wed 2/11

6:35 am-3:59 pm

2 stops9h 24m

$358

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sun 2/8

6:01 am-3:04 pm

2 stops9h 03m

Lambert-St Louis

Wed 2/11

10:17 am-6:03 pm

2 stops7h 46m

$363

RochesterChicago

RST - ORD

RSTORD

Rochester

Thu 5/7

4:30 pm-7:43 pm

1 stop3h 13m

Chicago O'Hare Intl

Sun 5/10

6:00 am-10:46 am

1 stop4h 46m

$368

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 42 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 $54). Flying from Rochester, Minnesota to Illinois in July is currently the most expensive (average of $116). 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 December 12, 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.

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 December 12, 2025.

The most flights from RST to USIL are scheduled on a Wednesday (8 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 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 December 12, 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
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Boarding

8.1

Comfort

7.9

Crew

8.5

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $329, Delta can have you in Illinois from Rochester, Minnesota in 1h 28m. There are 268 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 (81%), Qatar Airways (80%) and Iberia (65%).

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

    On average you can expect to pay $382 for a flight from Rochester, Minnesota to Illinois. The cheapest flight overall is $184 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, April is the cheapest month in which you can book a flight from Rochester, Minnesota to Illinois (average of $54). Flying from Rochester, Minnesota to Illinois in July is currently the most expensive (average of $116). 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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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$258Average$473FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$309Average$363FlexibilityNo cancel feeOn-time71%

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