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Cheap flights from Rochester to Illinois from $85

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 7/22. 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

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Rochester to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
8:32 pm - 12:16 am
ROC
-
STL
4h 44m
1 stop
American Airlines Logo
6:14 am - 2:48 pm
STL
-
ROC
7h 34m
1 stop
$303American Airlines
Wed, Jul 15 - Wed, Jul 22
American Airlines Logo
8:26 pm - 12:08 am
ROC
-
MLI
4h 42m
1 stop
American Airlines Logo
6:00 am - 10:59 am
MLI
-
ROC
3h 59m
1 stop
$309American Airlines
Thu, Aug 13 - Tue, Aug 18
Southwest Logo
3:15 pm - 8:40 pm
ROC
-
STL
6h 25m
1 stop
Southwest Logo
4:15 pm - 10:05 pm
STL
-
ROC
4h 50m
1 stop
$322Southwest
Sat, Sep 12 - Thu, Sep 17
Southwest Logo
3:15 pm - 8:40 pm
ROC
-
STL
6h 25m
1 stop
Southwest Logo
12:55 pm - 10:05 pm
STL
-
ROC
8h 10m
2 stops
$327Southwest
Sat, Sep 12 - Thu, Sep 17
Delta Logo
5:30 am - 4:22 pm
ROC
-
MLI
11h 52m
2 stops
Delta Logo
5:00 pm - 11:53 pm
MLI
-
ROC
5h 53m
1 stop
$359Delta
Fri, Nov 13 - Sun, Nov 15
United Airlines Logo
10:19 am - 2:27 pm
ROC
-
ORD
5h 08m
1 stop
United Airlines Logo
11:59 am - 2:53 pm
ORD
-
ROC
1h 54mnonstop
$377United Airlines
Wed, Sep 2 - Sat, Sep 5
United Airlines Logo
10:19 am - 4:59 pm
ROC
-
ORD
7h 40m
1 stop
United Airlines Logo
1:55 pm - 4:44 pm
ORD
-
ROC
1h 49mnonstop
$379United Airlines
Sat, Aug 22 - Mon, Aug 24
Delta Logo
6:15 pm - 10:15 pm
ROC
-
MDW
5h 00m
1 stop
Delta Logo
9:19 am - 3:46 pm
MDW
-
ROC
5h 27m
1 stop
$380Delta
Wed, Jul 15 - Sat, Jul 18
JetBlue Logo
11:56 am - 9:58 pm
ROC
-
ORD
11h 02m
1 stop
JetBlue Logo
6:00 am - 11:49 am
ORD
-
ROC
4h 49m
1 stop
$384JetBlue
Fri, Aug 7 - Mon, Aug 10
JetBlue Logo
6:38 am - 7:15 pm
ROC
-
ORD
13h 37m
2 stops
JetBlue Logo
5:27 pm - 12:08 am
ORD
-
ROC
5h 41m
1 stop
$390JetBlue
Mon, Jul 27 - Fri, Jul 31

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United Airlines flights from Rochester to Illinois

Our best United Airlines deals on Rochester to Illinois flight tickets
United Airlines
Sep 2
ROC10:19 amGreater Rochester Intl
5h 08m
1 stop
ORD2:27 pmChicago O'Hare Intl
Sep 5
ORD11:59 amChicago O'Hare Intl
1h 54m
ROC2:53 pmGreater Rochester Intl
$377
United Airlines
Aug 22
ROC10:19 amGreater Rochester Intl
7h 40m
1 stop
ORD4:59 pmChicago O'Hare Intl
Aug 24
ORD1:55 pmChicago O'Hare Intl
1h 49m
ROC4:44 pmGreater Rochester Intl
$379
United Airlines
Dec 8
ROC5:48 pmGreater Rochester Intl
6h 21m
1 stop
STL11:09 pmLambert-St Louis
Dec 9
STL7:33 amLambert-St Louis
4h 55m
1 stop
ROC1:28 pmGreater Rochester Intl
$383

JetBlue flights from Rochester to Illinois

Our best JetBlue deals on Rochester to Illinois flight tickets
JetBlue
Aug 7
ROC11:56 amGreater Rochester Intl
11h 02m
1 stop
ORD9:58 pmChicago O'Hare Intl
Aug 10
ORD6:00 amChicago O'Hare Intl
4h 49m
1 stop
ROC11:49 amGreater Rochester Intl
$384
JetBlue
Jul 27
ROC6:38 amGreater Rochester Intl
13h 37m
2 stops
ORD7:15 pmChicago O'Hare Intl
Jul 31
ORD5:27 pmChicago O'Hare Intl
5h 41m
1 stop
ROC12:08 amGreater Rochester Intl
$390
JetBlue
Jul 8
ROC12:10 pmGreater Rochester Intl
6h 24m
1 stop
ORD5:34 pmChicago O'Hare Intl
Jul 22
ORD10:56 amChicago O'Hare Intl
11h 53m
2 stops
ROC11:49 pmGreater Rochester Intl
$392

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 June 27, 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

Wed 7/15

8:32 pm-12:16 am

1 stop4h 44m

Lambert-St Louis

Wed 7/22

6:14 am-2:48 pm

1 stop7h 34m

$303

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Thu 8/13

8:26 pm-12:08 am

1 stop4h 42m

Moline Quad-City

Tue 8/18

6:00 am-10:59 am

1 stop3h 59m

$309

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sat 9/12

3:15 pm-8:40 pm

1 stop6h 25m

Lambert-St Louis

Thu 9/17

4:15 pm-10:05 pm

1 stop4h 50m

$322

RochesterSt. Louis

ROC - STL

ROCSTL

Greater Rochester Intl

Sat 9/12

3:15 pm-8:40 pm

1 stop6h 25m

Lambert-St Louis

Thu 9/17

12:55 pm-10:05 pm

2 stops8h 10m

$327

RochesterMoline

ROC - MLI

ROCMLI

Greater Rochester Intl

Fri 11/13

5:30 am-4:22 pm

2 stops11h 52m

Moline Quad-City

Sun 11/15

5:00 pm-11:53 pm

1 stop5h 53m

$359
Quickest round-trip

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Wed 9/2

10:19 am-2:27 pm

1 stop5h 08m

Chicago O'Hare Intl

Sat 9/5

11:59 am-2:53 pm

Nonstop1h 54m

$377

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Sat 8/22

10:19 am-4:59 pm

1 stop7h 40m

Chicago O'Hare Intl

Mon 8/24

1:55 pm-4:44 pm

Nonstop1h 49m

$379

RochesterChicago

ROC - MDW

ROCMDW

Greater Rochester Intl

Wed 7/15

6:15 pm-10:15 pm

1 stop5h 00m

Chicago Midway

Sat 7/18

9:19 am-3:46 pm

1 stop5h 27m

$380

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Fri 8/7

11:56 am-9:58 pm

1 stop11h 02m

Chicago O'Hare Intl

Mon 8/10

6:00 am-11:49 am

1 stop4h 49m

$384

RochesterChicago

ROC - ORD

ROCORD

Greater Rochester Intl

Mon 7/27

6:38 am-7:15 pm

2 stops13h 37m

Chicago O'Hare Intl

Fri 7/31

5:27 pm-12:08 am

1 stop5h 41m

$390

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 February. Flight prices, which tend to average around $75, 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 September is also cheap. Prices for this month can be found on momondo for an average of $148.

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 $437. Flights from Rochester to Illinois on a Sunday will generally be more expensive and average around $555. 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 $433. Flights at noon are often more expensive with an average ticket price of $483.

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 $440 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 $328 on momondo.

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 to Illinois flights?

You could potentially save up to 43% 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

$239

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 $239. The best round-trip flight deal from Rochester to Illinois found on momondo in the last 72 hours is $388.
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?

  • 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
United AirlinesPriceFrom $260Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
American AirlinesPriceFrom $283Free CancellationRating
7.1
11,777 reviews
Search American Airlines flights
SouthwestPriceFrom $305Free CancellationRating
7.9
4,246 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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