What airlines fly to Illinois?

United Airlines, Delta and Sun Country Air are the top three most popular airlines that fly to Illinois from Rochester, Minnesota according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Rochester to Illinois?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Rochester to Illinois

How many flights depart from Rochester, Minnesota to Illinois on average per day?

As of March 2026, there are 4 flights per day flying from Rochester, Minnesota to Illinois. The most common time of day flights depart is 11:00AM, with 50% of flights taking off at noon.

How many flights depart from Rochester, Minnesota to Illinois on average per week?

As of March 2026, there are 34 flights per week flying from Rochester, Minnesota to Illinois. The most common day of the week flights depart is Mon, with 21% of flights taking off on this day.

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?

As of March 2026, there are 2 operators available to choose from 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.

$169 Cheap Flights from Rochester to Illinois in 2026

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Find the cheapest flights from Rochester, Minnesota to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 6:28 am

RST

ORD

1h 28mnonstop

8:08 pm - 9:44 pm

ORD

RST

1h 36mnonstop

$169United Airlines

Fri, May 1 - Mon, May 4

8:22 am - 9:50 am

RST

ORD

1h 28mnonstop

5:03 pm - 6:31 pm

ORD

RST

1h 28mnonstop

$172United Airlines

Fri, May 1 - Sun, May 3

8:00 am - 9:30 am

RST

ORD

1h 30mnonstop

3:52 pm - 5:21 pm

ORD

RST

1h 29mnonstop

$174United Airlines

Thu, Jun 25 - Mon, Jun 29

11:32 am - 4:50 pm

RST

STL

5h 18m

1 stop

6:20 am - 10:52 am

STL

RST

4h 32m

1 stop

$238Delta

Sat, Apr 18 - Wed, Apr 22

6:43 pm - 11:46 pm

RST

STL

5h 03m

1 stop

2:12 pm - 11:55 pm

STL

RST

9h 43m

2 stops

$244American Airlines

Sat, Apr 18 - Wed, Apr 22

6:36 pm - 11:35 pm

RST

STL

4h 59m

1 stop

6:00 am - 9:54 am

STL

RST

3h 54m

1 stop

$248American Airlines

Fri, Mar 13 - Tue, Mar 17

6:36 pm - 11:35 pm

RST

STL

4h 59m

1 stop

2:06 pm - 11:48 pm

STL

RST

9h 42m

2 stops

$254American Airlines

Fri, Mar 13 - Tue, Mar 17

11:33 am - 5:56 pm

RST

MDW

6h 23m

1 stop

7:13 pm - 10:44 pm

MDW

RST

3h 31m

1 stop

$326Delta

Sat, May 16 - Tue, May 19

11:30 am - 8:50 am

RST

MDW

21h 20m

1 stop

7:16 pm - 10:43 pm

MDW

RST

3h 27m

1 stop

$330Delta

Fri, Apr 3 - Tue, Apr 28

6:35 pm - 11:54 pm

RST

STL

5h 19m

1 stop

6:00 am - 9:52 am

STL

RST

3h 52m

1 stop

$337American Airlines

Fri, May 29 - Sat, Jun 6

United Airlines flights from Rochester, Minnesota to Illinois

Our best United Airlines deals on Rochester, Minnesota to Illinois flight tickets

United Airlines

May 1

RST5:00 amRochester

1h 28m

ORD6:28 amChicago O'Hare Intl

May 4

ORD8:08 pmChicago O'Hare Intl

1h 36m

RST9:44 pmRochester

$169

United Airlines

May 1

RST8:22 amRochester

1h 28m

ORD9:50 amChicago O'Hare Intl

May 3

ORD5:03 pmChicago O'Hare Intl

1h 28m

RST6:31 pmRochester

$172

United Airlines

Jun 25

RST8:00 amRochester

1h 30m

ORD9:30 amChicago O'Hare Intl

Jun 29

ORD3:52 pmChicago O'Hare Intl

1h 29m

RST5:21 pmRochester

$174

Delta flights from Rochester, Minnesota to Illinois

Our best Delta deals on Rochester, Minnesota to Illinois flight tickets

Delta

Apr 18

RST11:32 amRochester

5h 18m

1 stop

STL4:50 pmLambert-St Louis

Apr 22

STL6:20 amLambert-St Louis

4h 32m

1 stop

RST10:52 amRochester

$238

Delta

Mar 15

RST11:30 amRochester

5h 35m

1 stop

STL5:05 pmLambert-St Louis

Mar 23

STL5:25 pmLambert-St Louis

5h 17m

1 stop

RST10:42 pmRochester

$318

Delta

Apr 4

RST6:00 amRochester

5h 30m

1 stop

ORD11:30 amChicago O'Hare Intl

Apr 25

ORD6:25 amChicago O'Hare Intl

4h 27m

1 stop

RST10:52 amRochester

$326

momondo Fare Finder

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

RochesterChicago

RST - ORD

RSTORD

Rochester

Fri 5/1

5:00 am-6:28 am

Nonstop1h 28m

Chicago O'Hare Intl

Mon 5/4

8:08 pm-9:44 pm

Nonstop1h 36m

$169

RochesterChicago

RST - ORD

RSTORD

Rochester

Fri 5/1

8:22 am-9:50 am

Nonstop1h 28m

Chicago O'Hare Intl

Sun 5/3

5:03 pm-6:31 pm

Nonstop1h 28m

$172

RochesterChicago

RST - ORD

RSTORD

Rochester

Thu 6/25

8:00 am-9:30 am

Nonstop1h 30m

Chicago O'Hare Intl

Mon 6/29

3:52 pm-5:21 pm

Nonstop1h 29m

$174

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 4/18

11:32 am-4:50 pm

1 stop5h 18m

Lambert-St Louis

Wed 4/22

6:20 am-10:52 am

1 stop4h 32m

$238

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Sat 4/18

6:43 pm-11:46 pm

1 stop5h 03m

Lambert-St Louis

Wed 4/22

2:12 pm-11:55 pm

2 stops9h 43m

$244

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 3/13

6:36 pm-11:35 pm

1 stop4h 59m

Lambert-St Louis

Tue 3/17

6:00 am-9:54 am

1 stop3h 54m

$248

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 3/13

6:36 pm-11:35 pm

1 stop4h 59m

Lambert-St Louis

Tue 3/17

2:06 pm-11:48 pm

2 stops9h 42m

$254

RochesterChicago

RST - MDW

RSTMDW

Rochester

Sat 5/16

11:33 am-5:56 pm

1 stop6h 23m

Chicago Midway

Tue 5/19

7:13 pm-10:44 pm

1 stop3h 31m

$326

RochesterChicago

RST - MDW

RSTMDW

Rochester

Fri 4/3

11:30 am-8:50 am

1 stop21h 20m

Chicago Midway

Tue 4/28

7:16 pm-10:43 pm

1 stop3h 27m

$330

RochesterSt. Louis

RST - STL

RSTSTL

Rochester

Fri 5/29

6:35 pm-11:54 pm

1 stop5h 19m

Lambert-St Louis

Sat 6/6

6:00 am-9:52 am

1 stop3h 52m

$337

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Rochester, Minnesota is in April. Flight prices, which tend to average around $333, 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 April, then flying in August 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 $414. Flights from Rochester, Minnesota to Illinois on a Sunday will generally be more expensive and average around $495. 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 $453. Flights at noon are often more expensive with an average ticket price of $514.

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?

No. A direct flight is the cheapest option for a flight between Rochester, Minnesota to Illinois.

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	$251
Fastest flight time	1h 28m
Direct flights	Tue, Wed, Thu, Fri, Sat and Sun
Airports in Illinois	98 airports

The best one-way flight to Illinois from Rochester, Minnesota in the past 72 hours is $251. The best round-trip flight deal from Rochester, Minnesota to Illinois found on momondo in the last 72 hours is $392.

The fastest flight from Rochester, Minnesota to Illinois takes 1h 28m

Direct flights go from Rochester, Minnesota to Illinois on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.

There are 98 airports in Illinois. From Rochester, Minnesota there are direct flights to 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?
As of March 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Rochester, Minnesota to Illinois is Embraer 170 (39.64% of total bookings). The next most popular plane models are Canadair (Bombardier) Regional Jet 700 (25.23%), Canadair (Bombardier) Regional Jet CRJ-550 (11.71%), and Boeing 737-800 (3.60%).

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
American Airlines	PriceFrom $309	Free Cancellation	Rating 7.1 11,370 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.