How many flights depart from State of New York to Illinois on average per week?

As of March 2026, there are 1,137 flights per week flying from State of New York to Illinois. The most common day of the week flights depart is Mon, with 19% of flights taking off on this day.

What airlines fly to Illinois?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois from State of New York according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 7 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How many flights depart from State of New York to Illinois on average per day?

As of March 2026, 162 flights take off from State of New York and land in Illinois each day. The most common flight departure time for this route is 11:00AM, with 45% of daily flights taking off at noon.

What is the cheapest airline that flies from New York to Illinois?

Southwest, Delta, and United Airlines are the most popular carriers operating from New York to Illinois

How long is the flight from State of New York to Illinois?

The flight from State of New York to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Buffalo (a popular airport in State of New York) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 1h 57m on average. If you fly from Rochester (another popular airport in State of New York) to Chicago O'Hare Intl Airport, then the average flight time is 2h 06m.

When did momondo last update prices for flights from New York to Illinois?

Prices for flights from New York to Illinois were last updated today.

How many operators does momondo search for flights from New York to Illinois?

As of March 2026, there are 7 operators available to choose from for flights from New York to Illinois.

How old do you have to be to fly from New York to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York 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.

$54 Cheap Flights from New York State to Illinois in 2026

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Find the cheapest flights from New York State to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:42 am - 10:20 am

LGA

ORD

2h 38mnonstop

7:31 pm - 10:36 pm

ORD

LGA

2h 05mnonstop

$84Spirit Airlines

ن, مارس 23 - ن, مارس 30

4:29 pm - 6:29 pm

JFK

ORD

3h 00mnonstop

8:06 am - 11:30 am

ORD

JFK

2h 24mnonstop

$85Frontier

ن, مارس 16 - ث, مارس 31

6:00 am - 7:25 am

LGA

MDW

2h 25mnonstop

5:15 am - 8:15 am

MDW

LGA

2h 00mnonstop

$136Southwest

ث, أبريل 21 - ن, أبريل 27

6:00 am - 7:25 am

LGA

MDW

2h 25mnonstop

8:15 am - 11:20 am

MDW

LGA

2h 05mnonstop

$147Southwest

خ, أبريل 16 - ح, أبريل 19

1:14 pm - 3:12 pm

LGA

STL

2h 58mnonstop

5:51 am - 12:11 pm

STL

LGA

5h 20m

1 stop

$274American Airlines

ر, أبريل 15 - ح, أبريل 19

6:00 am - 9:46 am

LGA

STL

4h 46m

1 stop

10:50 am - 3:50 pm

STL

LGA

4h 00m

1 stop

$276Delta

خ, أبريل 9 - س, أبريل 11

7:38 am - 9:27 am

LGA

STL

2h 49mnonstop

12:45 pm - 4:15 pm

STL

LGA

2h 30mnonstop

$277Delta

ر, أبريل 15 - ن, أبريل 20

2:10 pm - 6:53 pm

LGA

STL

5h 43m

1 stop

5:28 pm - 11:23 pm

STL

LGA

4h 55m

1 stop

$279United Airlines

ر, مايو 6 - س, مايو 9

6:38 am - 1:43 pm

LGA

STL

8h 05m

1 stop

3:33 pm - 6:59 pm

STL

LGA

2h 26mnonstop

$281American Airlines

خ, مارس 26 - خ, مارس 26

7:00 am - 12:11 pm

EWR

STL

6h 11m

1 stop

6:00 am - 9:29 am

STL

EWR

2h 29mnonstop

$327United Airlines

ج, يونيو 5 - ح, يونيو 7

Spirit Airlines flights from State of New York to Illinois

Our best Spirit Airlines deals on State of New York to Illinois flight tickets

Spirit Airlines

Mar 23

LGA8:42 amNew York LaGuardia

2h 38m

ORD10:20 amChicago O'Hare Intl

Mar 30

ORD7:31 pmChicago O'Hare Intl

2h 05m

LGA10:36 pmNew York LaGuardia

$84

Spirit Airlines

Apr 13

LGA6:30 amNew York LaGuardia

2h 31m

ORD8:01 amChicago O'Hare Intl

Apr 20

ORD2:09 pmChicago O'Hare Intl

2h 11m

LGA5:20 pmNew York LaGuardia

$85

Spirit Airlines

Apr 28

LGA6:15 pmNew York LaGuardia

2h 42m

ORD7:57 pmChicago O'Hare Intl

May 4

ORD2:09 pmChicago O'Hare Intl

2h 11m

LGA5:20 pmNew York LaGuardia

$86

Frontier flights from State of New York to Illinois

Our best Frontier deals on State of New York to Illinois flight tickets

Frontier

Mar 16

JFK4:29 pmNew York John F Kennedy Intl

3h 00m

ORD6:29 pmChicago O'Hare Intl

Mar 31

ORD8:06 amChicago O'Hare Intl

2h 24m

JFK11:30 amNew York John F Kennedy Intl

$85

Frontier

Mar 19

JFK4:29 pmNew York John F Kennedy Intl

3h 00m

ORD6:29 pmChicago O'Hare Intl

Mar 23

ORD12:05 pmChicago O'Hare Intl

2h 24m

JFK3:29 pmNew York John F Kennedy Intl

$86

Frontier

Mar 25

JFK4:29 pmNew York John F Kennedy Intl

3h 00m

ORD6:29 pmChicago O'Hare Intl

Mar 30

ORD7:35 amChicago O'Hare Intl

2h 24m

JFK10:59 amNew York John F Kennedy Intl

$87

momondo Fare Finder

Use the filters below to find and compare flights from New York State to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

ن 3/23

8:42 am-10:20 am

Nonstop2h 38m

Chicago O'Hare Intl

ن 3/30

7:31 pm-10:36 pm

Nonstop2h 05m

$84

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

ن 3/16

4:29 pm-6:29 pm

Nonstop3h 00m

Chicago O'Hare Intl

ث 3/31

8:06 am-11:30 am

Nonstop2h 24m

$85

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

ث 4/21

6:00 am-7:25 am

Nonstop2h 25m

Chicago Midway

ن 4/27

5:15 am-8:15 am

Nonstop2h 00m

$136

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

خ 4/16

6:00 am-7:25 am

Nonstop2h 25m

Chicago Midway

ح 4/19

8:15 am-11:20 am

Nonstop2h 05m

$147

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

ر 4/15

1:14 pm-3:12 pm

Nonstop2h 58m

Lambert-St Louis

ح 4/19

5:51 am-12:11 pm

1 stop5h 20m

$274

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

خ 4/9

6:00 am-9:46 am

1 stop4h 46m

Lambert-St Louis

س 4/11

10:50 am-3:50 pm

1 stop4h 00m

$276

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

ر 4/15

7:38 am-9:27 am

Nonstop2h 49m

Lambert-St Louis

ن 4/20

12:45 pm-4:15 pm

Nonstop2h 30m

$277

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

ر 5/6

2:10 pm-6:53 pm

1 stop5h 43m

Lambert-St Louis

س 5/9

5:28 pm-11:23 pm

1 stop4h 55m

$279

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

خ 3/26

6:38 am-1:43 pm

1 stop8h 05m

Lambert-St Louis

خ 3/26

3:33 pm-6:59 pm

Nonstop2h 26m

$281

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

ج 6/5

7:00 am-12:11 pm

1 stop6h 11m

Lambert-St Louis

ح 6/7

6:00 am-9:29 am

Nonstop2h 29m

$327

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 State of New York 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 State of New York is in January. Flight prices, which tend to average around $177, 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 January, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $211.

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

The cheapest day to depart from State of New York to Illinois is on a Saturday when prices can be found for as low as $237. Flights from State of New York to Illinois on a Sunday will generally be more expensive and average around $296. 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 evening. Flights from State of New York to Illinois during this time can be as low as $209. Flights at noon are often more expensive with an average ticket price of $307.

What is the cheapest New York to Illinois flight route?

Fly from Newark to Chicago Midway for the best New York - 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 State of New York when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $235 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from State of New York for as low as $152 on momondo.

What cabin class options are available on New York to Illinois flights?

There are 4 cabin classes available to choose from on New York 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 State of New York to Illinois flights?

No. A direct flight is the cheapest option for a flight between State of New York to Illinois.

When did momondo last update prices for flights from New York to Illinois?
Prices for flights from New York to Illinois were last updated today.
How many operators does momondo search for flights from New York to Illinois?
As of March 2026, there are 7 operators available to choose from for flights from New York to Illinois.
How old do you have to be to fly from New York to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from New York 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 State of New York to Illinois?
Based on momondo bookings for flights between State of New York and Illinois, the leading plane model is Boeing 737-800, making up 16.69% of the total bookings. Other popular models include Airbus A321neo with 10.33%, Embraer 175 with 9.45%, and Boeing 737 MAX 8 with 8.99%.

Best airlines flying from State of New York to Illinois

Compare and see reviews for airlines that fly from State of New York to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $44	Free Cancellation	Rating 5.7 3,040 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $57	Free Cancellation	Rating 6.3 8,487 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $75	Free Cancellation	Rating 7.2 2,894 reviews	Search JetBlue flights
Delta	PriceFrom $75	Free Cancellation	Rating 7.9 8,237 reviews	Search Delta flights
United Airlines	PriceFrom $140	Free Cancellation	Rating 7.4 9,375 reviews	Search United Airlines flights
American Airlines	PriceFrom $156	Free Cancellation	Rating 7.1 11,369 reviews	Search American Airlines flights
Southwest	PriceFrom $158	Free Cancellation	Rating 8.0 4,306 reviews	Search Southwest flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from New York to Illinois. Millions of users trust and use momondo every year so you are in good hands.

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

Flights from New York to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from New York to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from New York to Illinois.

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

Of course. momondo tracks the price of New York to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.