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

United Airlines, Southwest, and Delta are the most popular carriers operating from Greater Rochester Intl to Illinois

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

25 flights are operational daily from Rochester to Illinois as of May 2026. The most popular departure time for this route is 6:00AM, with 51% of flights per day taking off at noon.

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

178 flights are operational weekly from Rochester to Illinois as of May 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

What airlines fly to Illinois?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Illinois from Rochester according to our data. American Airlines is the first choice among our users, with 54% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Greater Rochester Intl Airport to Illinois are refreshed on a daily basis.

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

As of May 2026, there are 4 operators available to choose from for flights from Greater Rochester Intl Airport to Illinois.

How old do you have to be to fly from Greater Rochester Intl 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 Greater Rochester Intl Airport to Illinois.

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

The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$129 Cheap Flights from Rochester to Illinois in 2026

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Find the cheapest flights from Rochester to Illinois

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 4:25 pm

ROC

MLI

11h 25m

2 stops

5:09 pm - 11:50 pm

MLI

ROC

5h 41m

1 stop

$324Delta

Thu, Aug 13 - Tue, Aug 18

5:00 am - 8:34 am

ROC

STL

4h 34m

1 stop

6:14 am - 2:48 pm

STL

ROC

7h 34m

1 stop

$331American Airlines

Tue, Jul 14 - Wed, Jul 22

7:41 pm - 11:59 pm

ROC

STL

5h 18m

1 stop

5:40 pm - 11:52 pm

STL

ROC

5h 12m

1 stop

$332American Airlines

Thu, May 28 - Wed, Jun 3

6:00 am - 9:44 am

ROC

STL

4h 44m

1 stop

5:15 pm - 11:57 pm

STL

ROC

5h 42m

1 stop

$333Delta

Thu, May 28 - Wed, Jun 3

5:40 am - 12:18 pm

ROC

STL

7h 38m

1 stop

7:44 am - 2:19 pm

STL

ROC

5h 35m

1 stop

$335American Airlines

Mon, Sep 14 - Thu, Sep 17

7:05 pm - 10:25 pm

ROC

STL

4h 20m

1 stop

3:15 pm - 10:45 pm

STL

ROC

6h 30m

2 stops

$336Southwest

Tue, Jul 14 - Wed, Jul 22

6:00 am - 4:25 pm

ROC

MLI

11h 25m

2 stops

11:08 am - 11:23 pm

MLI

ROC

11h 15m

2 stops

$339Delta

Thu, Aug 13 - Tue, Aug 18

8:05 am - 8:55 am

ROC

MDW

1h 50mnonstop

12:45 pm - 3:20 pm

MDW

ROC

1h 35mnonstop

$355Southwest

Tue, Jun 2 - Tue, Jun 2

10:42 am - 11:53 am

ROC

ORD

2h 11mnonstop

12:00 pm - 2:57 pm

ORD

ROC

1h 57mnonstop

$364United Airlines

Wed, Jun 3 - Sat, Jun 6

6:20 am - 7:28 am

ROC

ORD

2h 08mnonstop

6:45 am - 9:37 am

ORD

ROC

1h 52mnonstop

$373United Airlines

Sat, May 30 - Sat, Jun 6

American Airlines flights from Rochester to Illinois

Our best American Airlines deals on Rochester to Illinois flight tickets

American Airlines

Jul 14

ROC5:00 amGreater Rochester Intl

4h 34m

1 stop

STL8:34 amLambert-St Louis

Jul 22

STL6:14 amLambert-St Louis

7h 34m

1 stop

ROC2:48 pmGreater Rochester Intl

$331

American Airlines

May 28

ROC7:41 pmGreater Rochester Intl

5h 18m

1 stop

STL11:59 pmLambert-St Louis

Jun 3

STL5:40 pmLambert-St Louis

5h 12m

1 stop

ROC11:52 pmGreater Rochester Intl

$332

American Airlines

Sep 14

ROC5:40 amGreater Rochester Intl

7h 38m

1 stop

STL12:18 pmLambert-St Louis

Sep 17

STL7:44 amLambert-St Louis

5h 35m

1 stop

ROC2:19 pmGreater Rochester Intl

$335

United Airlines flights from Rochester to Illinois

Our best United Airlines deals on Rochester to Illinois flight tickets

United Airlines

Jun 3

ROC10:42 amGreater Rochester Intl

2h 11m

ORD11:53 amChicago O'Hare Intl

Jun 6

ORD12:00 pmChicago O'Hare Intl

1h 57m

ROC2:57 pmGreater Rochester Intl

$364

United Airlines

May 28

ROC12:25 pmGreater Rochester Intl

4h 21m

1 stop

STL3:46 pmLambert-St Louis

May 31

STL1:13 pmLambert-St Louis

7h 10m

1 stop

ROC9:23 pmGreater Rochester Intl

$371

United Airlines

May 30

ROC6:20 amGreater Rochester Intl

2h 08m

ORD7:28 amChicago O'Hare Intl

Jun 6

ORD6:45 amChicago O'Hare Intl

1h 52m

ROC9:37 amGreater Rochester Intl

$373

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Thu 8/13

6:00 am-4:25 pm

2 stops11h 25m

Moline Quad-City

Tue 8/18

5:09 pm-11:50 pm

1 stop5h 41m

$324

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 7/14

5:00 am-8:34 am

1 stop4h 34m

Lambert-St Louis

Wed 7/22

6:14 am-2:48 pm

1 stop7h 34m

$331

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Thu 5/28

7:41 pm-11:59 pm

1 stop5h 18m

Lambert-St Louis

Wed 6/3

5:40 pm-11:52 pm

1 stop5h 12m

$332

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Thu 5/28

6:00 am-9:44 am

1 stop4h 44m

Lambert-St Louis

Wed 6/3

5:15 pm-11:57 pm

1 stop5h 42m

$333

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Mon 9/14

5:40 am-12:18 pm

1 stop7h 38m

Lambert-St Louis

Thu 9/17

7:44 am-2:19 pm

1 stop5h 35m

$335

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Tue 7/14

7:05 pm-10:25 pm

1 stop4h 20m

Lambert-St Louis

Wed 7/22

3:15 pm-10:45 pm

2 stops6h 30m

$336

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Thu 8/13

6:00 am-4:25 pm

2 stops11h 25m

Moline Quad-City

Tue 8/18

11:08 am-11:23 pm

2 stops11h 15m

$339

Quickest round-trip

RochesterChicago

ROC - MDW

ROCMDW

Greater Rochester Intl

Tue 6/2

8:05 am-8:55 am

Nonstop1h 50m

Chicago Midway

Tue 6/2

12:45 pm-3:20 pm

Nonstop1h 35m

$355

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Wed 6/3

10:42 am-11:53 am

Nonstop2h 11m

Chicago O'Hare Intl

Sat 6/6

12:00 pm-2:57 pm

Nonstop1h 57m

$364

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Sat 5/30

6:20 am-7:28 am

Nonstop2h 08m

Chicago O'Hare Intl

Sat 6/6

6:45 am-9:37 am

Nonstop1h 52m

$373

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 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 is in May. Flight prices, which tend to average around $68, 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 May, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $75.

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

The cheapest day to depart from Rochester to Illinois is on a Wednesday when prices can be found for as low as $427. Flights from Rochester to Illinois on a Sunday will generally be more expensive and average around $540. 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 afternoon. Flights from Rochester to Illinois during this time can be as low as $423. Flights at noon are often more expensive with an average ticket price of $498.

What is the cheapest Greater Rochester Intl to Illinois flight route?

Fly from Greater Rochester Intl to Chicago Midway for the best Greater Rochester Intl - Illinois flight prices

How far in advance should I book a flight from Rochester to Illinois?

You are more likely to see cheaper flights to Illinois from Rochester when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $423 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Rochester for as low as $318 on momondo.

Can stopping save me money on Rochester to Illinois flights?

You could potentially save up to 8% on your flight if you consider stops on a Rochester to Illinois flight.

Cheap Rochester to Illinois flight deals and tips

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

Best Price Found	$207
Fastest flight time	1h 40m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from Rochester in the past 72 hours is $207. The best round-trip flight deal from Rochester to Illinois found on momondo in the last 72 hours is $407.

The fastest flight from Rochester to Illinois takes 1h 40m

Direct flights go from Rochester to Illinois every day.

There are 98 airports in Illinois. From Rochester there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from Rochester to Illinois

When did momondo last update prices for flights from Greater Rochester Intl Airport to Illinois?
Prices for flights from Greater Rochester Intl Airport to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Greater Rochester Intl Airport to Illinois?
As of May 2026, there are 4 operators available to choose from for flights from Greater Rochester Intl Airport to Illinois.
How old do you have to be to fly from Greater Rochester Intl 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 Greater Rochester Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Rochester to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Rochester to Illinois is Embraer 175 (Enhanced Winglets) (16.17% of total bookings). The next most popular plane models are Embraer 170 (16.01%), Embraer 175 (12.56%), and Boeing 737-800 (9.69%).

Best airlines flying from Rochester to Illinois

Compare and see reviews for airlines that fly from Rochester to Illinois with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $232	Free Cancellation	Rating 7.1 11,667 reviews	Search American Airlines flights
United Airlines	PriceFrom $248	Free Cancellation	Rating 7.4 9,699 reviews	Search United Airlines flights
Southwest	PriceFrom $305	Free Cancellation	Rating 8.0 4,298 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from Rochester.

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

All flight searches from Rochester to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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 can track prices for Rochester to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Popular cities in Illinois

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Flights to Las Vegasfrom $48

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Flights to Bostonfrom $83

Flights to Atlantafrom $50

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $50

Cheap flights from Rochester to Illinois from $129

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 to Illinois departing on 6/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Rochester to Illinois

Our best American Airlines deals on Rochester to Illinois flight tickets

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How to get the cheapest flight ticket from Rochester to Illinois

What is the cheapest month to fly to Illinois?

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

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

What is the cheapest Greater Rochester Intl to Illinois flight route?

How far in advance should I book a flight from Rochester to Illinois?

Can stopping save me money on Rochester to Illinois flights?

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

What airlines fly to Illinois?

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

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

Cheap Rochester to Illinois flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from Rochester to Illinois

Best airlines flying from Rochester to Illinois

Compare and see reviews for airlines that fly from Rochester to Illinois with momondo

Why use momondo?

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

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According to popular flight searches on momondo this year

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