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Cheap flights from Rochester to Illinois from $111

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 9/1. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Rochester to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:20 pm - 4:25 pm
ROC
-
STL
5h 05m
1 stop
Southwest Logo
6:20 am - 11:40 am
STL
-
ROC
4h 20m
1 stop
$317Southwest
Sat, Apr 18 - Sat, Apr 25
Southwest Logo
12:20 pm - 8:00 pm
ROC
-
STL
8h 40m
2 stops
Southwest Logo
6:20 am - 11:40 am
STL
-
ROC
4h 20m
1 stop
$322Southwest
Sat, Apr 18 - Sat, Apr 25
American Airlines Logo
6:00 am - 7:17 am
ROC
-
ORD
2h 17mnonstop
American Airlines Logo
10:55 am - 4:34 pm
ORD
-
ROC
4h 39m
1 stop
$326American Airlines
Thu, Apr 16 - Mon, Apr 20
Multiple Airlines Logo
6:20 pm - 11:06 pm
ROC
-
ORD
5h 46m
1 stop
Multiple Airlines Logo
9:42 pm - 6:53 pm
ORD
-
ROC
20h 11m
2 stops
$327Multiple Airlines
Mon, May 4 - Tue, May 5
American Airlines Logo
5:02 pm - 10:17 pm
ROC
-
STL
6h 15m
1 stop
American Airlines Logo
6:29 am - 2:44 pm
STL
-
ROC
7h 15m
1 stop
$328American Airlines
Fri, May 1 - Mon, May 4
United Airlines Logo
1:15 pm - 4:51 pm
ROC
-
MLI
4h 36m
1 stop
United Airlines Logo
6:35 am - 1:38 pm
MLI
-
ROC
6h 03m
1 stop
$329United Airlines
Thu, May 7 - Sun, May 10
Multiple Airlines Logo
10:13 am - 5:15 pm
ROC
-
ORD
8h 02m
1 stop
Multiple Airlines Logo
4:28 pm - 5:40 pm
ORD
-
ROC
24h 12m
2 stops
$329Multiple Airlines
Thu, Apr 9 - Thu, Apr 30
Multiple Airlines Logo
10:13 am - 5:15 pm
ROC
-
ORD
8h 02m
1 stop
Multiple Airlines Logo
4:28 pm - 5:40 pm
ORD
-
ROC
24h 12m
2 stops
$331Multiple Airlines
Thu, Apr 9 - Thu, Apr 30
JetBlue Logo
7:10 am - 2:30 pm
ROC
-
ORD
8h 20m
1 stop
JetBlue Logo
3:27 pm - 11:38 pm
ORD
-
ROC
7h 11m
1 stop
$333JetBlue
Wed, Jun 3 - Fri, Jun 5
United Airlines Logo
6:00 am - 12:53 pm
ROC
-
MLI
7h 53m
2 stops
United Airlines Logo
10:39 am - 4:45 pm
MLI
-
ROC
5h 06m
1 stop
$334United Airlines
Thu, May 7 - Sun, May 10

JetBlue flights from Rochester to Illinois

Our best JetBlue deals on Rochester to Illinois flight tickets
JetBlue
Jun 3
ROC7:10 amGreater Rochester Intl
8h 20m
1 stop
ORD2:30 pmChicago O'Hare Intl
Jun 5
ORD3:27 pmChicago O'Hare Intl
7h 11m
1 stop
ROC11:38 pmGreater Rochester Intl
$333
JetBlue
Jul 8
ROC11:41 amGreater Rochester Intl
6h 21m
1 stop
ORD5:02 pmChicago O'Hare Intl
Jul 10
ORD5:12 pmChicago O'Hare Intl
5h 24m
1 stop
ROC11:36 pmGreater Rochester Intl
$345
JetBlue
May 29
ROC7:03 amGreater Rochester Intl
8h 27m
1 stop
ORD2:30 pmChicago O'Hare Intl
May 31
ORD8:30 pmChicago O'Hare Intl
12h 32m
2 stops
ROC10:02 amGreater Rochester Intl
$351

United Airlines flights from Rochester to Illinois

Our best United Airlines deals on Rochester to Illinois flight tickets
United Airlines
May 7
ROC1:15 pmGreater Rochester Intl
4h 36m
1 stop
MLI4:51 pmMoline Quad-City
May 10
MLI6:35 amMoline Quad-City
6h 03m
1 stop
ROC1:38 pmGreater Rochester Intl
$329
United Airlines
May 7
ROC6:00 amGreater Rochester Intl
7h 53m
2 stops
MLI12:53 pmMoline Quad-City
May 10
MLI10:39 amMoline Quad-City
5h 06m
1 stop
ROC4:45 pmGreater Rochester Intl
$334
United Airlines
May 5
ROC6:11 pmGreater Rochester Intl
6h 46m
1 stop
STL11:57 pmLambert-St Louis
May 6
STL7:45 amLambert-St Louis
4h 53m
1 stop
ROC1:38 pmGreater Rochester Intl
$342

momondo 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, momondo users made 832,500 searches. Data last updated March 24, 2026.
Use the filters below to find and compare flights from Rochester to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sat 4/18

12:20 pm-4:25 pm

1 stop5h 05m

Lambert-St Louis

Sat 4/25

6:20 am-11:40 am

1 stop4h 20m

$317

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sat 4/18

12:20 pm-8:00 pm

2 stops8h 40m

Lambert-St Louis

Sat 4/25

6:20 am-11:40 am

1 stop4h 20m

$322
Quickest round-trip

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 4/16

6:00 am-7:17 am

Nonstop2h 17m

Chicago O'Hare Intl

Mon 4/20

10:55 am-4:34 pm

1 stop4h 39m

$326

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Mon 5/4

6:20 pm-11:06 pm

1 stop5h 46m

Chicago O'Hare Intl

Tue 5/5

9:42 pm-6:53 pm

2 stops20h 11m

$327

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Fri 5/1

5:02 pm-10:17 pm

1 stop6h 15m

Lambert-St Louis

Mon 5/4

6:29 am-2:44 pm

1 stop7h 15m

$328

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Thu 5/7

1:15 pm-4:51 pm

1 stop4h 36m

Moline Quad-City

Sun 5/10

6:35 am-1:38 pm

1 stop6h 03m

$329

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 4/9

10:13 am-5:15 pm

1 stop8h 02m

Chicago O'Hare Intl

Thu 4/30

4:28 pm-5:40 pm

2 stops24h 12m

$329

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Thu 4/9

10:13 am-5:15 pm

1 stop8h 02m

Chicago O'Hare Intl

Thu 4/30

4:28 pm-5:40 pm

2 stops24h 12m

$331

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Wed 6/3

7:10 am-2:30 pm

1 stop8h 20m

Chicago O'Hare Intl

Fri 6/5

3:27 pm-11:38 pm

1 stop7h 11m

$333

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Thu 5/7

6:00 am-12:53 pm

2 stops7h 53m

Moline Quad-City

Sun 5/10

10:39 am-4:45 pm

1 stop5h 06m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

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

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Rochester is in September. Flight prices, which tend to average around $334, 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 September, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $353.

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 $538. 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 $420. Flights at noon are often more expensive with an average ticket price of $500.

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

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

How far in advance should I book a flight 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 $402 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 $274 on momondo.

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

There are 4 cabin classes available to choose from on Greater Rochester Intl 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 to Illinois flights?

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

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

$189

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 $189. The best round-trip flight deal from Rochester to Illinois found on momondo in the last 72 hours is $360.
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

  • 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?

  • 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?

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 AirlinesPriceFrom $232Free CancellationRating
7.1
11,492 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,467 reviews
Search United Airlines flights
SouthwestPriceFrom $305Free CancellationRating
8.0
4,328 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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