Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Rochester, Minnesota to Illinois from $173

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rochester, Minnesota to Illinois departing on 1/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Rochester, Minnesota to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
11:15 am - 4:50 pmRST-STL
5h 35m1 stop
Delta Logo
6:30 am - 10:46 amSTL-RST
4h 16m1 stop
$238Delta
Find Deal
Sat, Apr 11 - Wed, Apr 15
American Airlines Logo
12:41 pm - 11:06 pmRST-STL
10h 25m2 stops
American Airlines Logo
7:35 pm - 11:59 pmSTL-RST
4h 24m1 stop
$244American Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
11:40 am - 8:45 pmRST-STL
9h 05m2 stops
Delta Logo
6:35 am - 3:59 pmSTL-RST
9h 24m2 stops
$249Delta
Find Deal
Thu, Jan 8 - Sun, Jan 11
Delta Logo
11:40 am - 4:47 pmRST-STL
5h 07m1 stop
Delta Logo
5:48 pm - 10:48 pmSTL-RST
5h 00m1 stop
$253Delta
Find Deal
Thu, Jan 8 - Sun, Jan 11
Delta Logo
7:00 am - 1:51 pmRST-STL
6h 51m2 stops
Delta Logo
5:34 pm - 10:51 pmSTL-RST
5h 17m1 stop
$259Delta
Find Deal
Thu, Nov 27 - Tue, Dec 2
Delta Logo
11:15 am - 8:39 pmRST-STL
9h 24m2 stops
Delta Logo
6:30 am - 10:46 amSTL-RST
4h 16m1 stop
$293Delta
Find Deal
Sat, Apr 11 - Wed, Apr 15
Delta Logo
4:39 pm - 8:40 amRST-ORD
16h 01m1 stop
Delta Logo
6:46 pm - 3:59 pmORD-RST
21h 13m1 stop
$295Delta
Find Deal
Mon, Jan 12 - Sun, Jan 18
Delta Logo
11:40 am - 9:08 amRST-MDW
21h 28m1 stop
Delta Logo
9:50 am - 10:48 pmMDW-RST
12h 58m1 stop
$295Delta
Find Deal
Mon, Jan 12 - Wed, Jan 21
American Airlines Logo
11:06 am - 4:23 pmRST-STL
5h 17m1 stop
American Airlines Logo
2:06 pm - 5:45 pmSTL-RST
3h 39m1 stop
$302American Airlines
Find Deal
Tue, Dec 30 - Fri, Jan 2
Delta Logo
11:40 am - 9:40 pmRST-ORD
10h 00m1 stop
Delta Logo
6:35 am - 12:06 pmORD-RST
5h 31m1 stop
$304Delta
Find Deal
Tue, Dec 16 - Sat, Dec 20

American Airlines flights from Rochester, Minnesota to Illinois

Our best American Airlines deals on Rochester, Minnesota to Illinois flight tickets
American Airlines
Dec 3
RST12:41 pmRochester
10h 25m
2 stops
STL11:06 pmLambert-St Louis
Dec 7
STL7:35 pmLambert-St Louis
4h 24m
1 stop
RST11:59 pmRochester
$244
Find similar
American Airlines
Dec 30
RST11:06 amRochester
5h 17m
1 stop
STL4:23 pmLambert-St Louis
Jan 2
STL2:06 pmLambert-St Louis
3h 39m
1 stop
RST5:45 pmRochester
$302
Find similar
American Airlines
Apr 29
RST6:26 pmRochester
1h 24m
ORD7:50 pmChicago O'Hare Intl
May 27
ORD11:40 amChicago O'Hare Intl
1h 29m
RST1:09 pmRochester
$309
Find similar

Delta flights from Rochester, Minnesota to Illinois

Our best Delta deals on Rochester, Minnesota to Illinois flight tickets
Delta
Apr 11
RST11:15 amRochester
5h 35m
1 stop
STL4:50 pmLambert-St Louis
Apr 15
STL6:30 amLambert-St Louis
4h 16m
1 stop
RST10:46 amRochester
$238
Find similar
Delta
Jan 8
RST11:40 amRochester
9h 05m
2 stops
STL8:45 pmLambert-St Louis
Jan 11
STL6:35 amLambert-St Louis
9h 24m
2 stops
RST3:59 pmRochester
$249
Find similar
Delta
Jan 8
RST11:40 amRochester
5h 07m
1 stop
STL4:47 pmLambert-St Louis
Jan 11
STL5:48 pmLambert-St Louis
5h 00m
1 stop
RST10:48 pmRochester
$253
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Rochester, Minnesota 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, momondo users made 832,500 searches. Data last updated November 9, 2025.
Use the filters below to find and compare flights from Rochester, Minnesota to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 4/11

11:15 am-4:50 pm

1 stop5h 35m

Lambert-St Louis

Wed 4/15

6:30 am-10:46 am

1 stop4h 16m

$238

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Wed 12/3

12:41 pm-11:06 pm

2 stops10h 25m

Lambert-St Louis

Sun 12/7

7:35 pm-11:59 pm

1 stop4h 24m

$244

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 1/8

11:40 am-8:45 pm

2 stops9h 05m

Lambert-St Louis

Sun 1/11

6:35 am-3:59 pm

2 stops9h 24m

$249

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 1/8

11:40 am-4:47 pm

1 stop5h 07m

Lambert-St Louis

Sun 1/11

5:48 pm-10:48 pm

1 stop5h 00m

$253

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Thu 11/27

7:00 am-1:51 pm

2 stops6h 51m

Lambert-St Louis

Tue 12/2

5:34 pm-10:51 pm

1 stop5h 17m

$259

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 4/11

11:15 am-8:39 pm

2 stops9h 24m

Lambert-St Louis

Wed 4/15

6:30 am-10:46 am

1 stop4h 16m

$293

RochesterChicago

RST - ORD

RSTORD

Rochester

Mon 1/12

4:39 pm-8:40 am

1 stop16h 01m

Chicago O'Hare Intl

Sun 1/18

6:46 pm-3:59 pm

1 stop21h 13m

$295

RochesterChicago

RST - MDW

RSTMDW

Rochester

Mon 1/12

11:40 am-9:08 am

1 stop21h 28m

Chicago Midway

Wed 1/21

9:50 am-10:48 pm

1 stop12h 58m

$295

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Tue 12/30

11:06 am-4:23 pm

1 stop5h 17m

Lambert-St Louis

Fri 1/2

2:06 pm-5:45 pm

1 stop3h 39m

$302

RochesterChicago

RST - ORD

RSTORD

Rochester

Tue 12/16

11:40 am-9:40 pm

1 stop10h 00m

Chicago O'Hare Intl

Sat 12/20

6:35 am-12:06 pm

1 stop5h 31m

$304

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

How to get the cheapest flight ticket from Rochester, Minnesota to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Rochester, Minnesota is in February. Flight prices, which tend to average around $339, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of February, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $339.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from Rochester, Minnesota to Illinois is on a Tuesday when prices can be found for as low as $428. Flights from Rochester, Minnesota to Illinois on a Monday will generally be more expensive and average around $500. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Rochester, Minnesota to Illinois during this time can be as low as $463. Flights at noon are often more expensive with an average ticket price of $479.

What is the cheapest Rochester to Illinois flight route?

Fly from Rochester to Chicago O'Hare Intl for the best Rochester - Illinois flight prices

What cabin class options are available on Rochester to Illinois flights?

There are 4 cabin classes available to choose from on Rochester to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Rochester, Minnesota to Illinois flights?

You could potentially save up to 21% on your flight if you consider stops on a Rochester, Minnesota to Illinois flight.

Cheap Rochester, Minnesota to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rochester, Minnesota to Illinois

Best Price Found

$311

Fastest flight time

1h 20m

Direct flights

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Illinois

1 airport
The best one-way flight to Illinois from Rochester, Minnesota in the past 72 hours is $311. The best round-trip flight deal from Rochester, Minnesota to Illinois found on momondo in the last 72 hours is $360.
The fastest flight from Rochester, Minnesota to Illinois takes 1h 20m
Direct flights go from Rochester, Minnesota to Illinois on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

  • When did momondo last update prices for flights from Rochester Airport to Illinois?

    Prices for flights from Rochester Airport to Illinois are updated daily.

  • How many operators does momondo search for flights from Rochester Airport to Illinois?

  • How old do you have to be to fly from Rochester Airport to Illinois?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Rochester Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Rochester, Minnesota to Illinois?

Best airlines flying from Rochester, Minnesota to Illinois

Compare and see reviews for airlines that fly from Rochester, Minnesota to Illinois with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $258Free CancellationRating
7.9
8,004 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Rochester to Illinois?

It is quick and easy to find Rochester to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

Can I find flights from Rochester to Illinois with flexible booking policies on momondo?

momondo does allow users to show only those flights to Illinois from Rochester which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Rochester to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Rochester.

I’m not ready to book a flight from Rochester to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from Rochester. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 12/9
Tue 12/16
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo
Flights to New Yorkfrom $44
Flights to Los Angelesfrom $51
Flights to Miamifrom $48
Flights to Chicagofrom $58
Flights to Orlandofrom $47
Flights to Las Vegasfrom $40
Flights to San Franciscofrom $57
Flights to Washington, D.C.from $50
Flights to Bostonfrom $48
Flights to Atlantafrom $44
Flights to Dallasfrom $53
Flights to Seattlefrom $49