What airlines fly to Illinois?

American Airlines, United Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois from New York LaGuardia Airport according to our data. American Airlines is the first choice among our users, with 33% 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.

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

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

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

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

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

The number of operators available for flights from New York LaGuardia Airport to Illinois is 7 as of July 2025.

How old do you have to be to fly from New York LaGuardia 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 New York LaGuardia Airport to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$35 Cheap Flights from New York LaGuardia Airport to Illinois in 2025

Q: How many flights depart from New York LaGuardia Airport to Illinois on average per week?

425 flights are operational weekly from New York LaGuardia Airport to Illinois as of July 2025. The most popular departure day for this route is Thu, with 24% of flights per week taking off on this day.

Q: How many flights depart from New York LaGuardia Airport to Illinois on average per day?

The number of flights available between New York LaGuardia Airport and Illinois is 60 per day as of July 2025. The most frequent departure time is 4:00PM, with 40% of daily flights leaving at noon.

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Find the cheapest flights from New York LaGuardia Airport to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

10:59 am - 11:59 pmLGA-ORD

14h 00m1 stop

4:35 pm - 7:41 pmORD-LGA

2h 06mnonstop

$67Spirit Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

3:12 pm - 4:50 pmLGA-ORD

2h 38mnonstop

11:13 am - 2:18 pmORD-LGA

2h 05mnonstop

$69Spirit Airlines

Find Deal

Sat, Sep 6 - Mon, Sep 8

6:00 am - 7:20 amLGA-MDW

2h 20mnonstop

7:05 pm - 10:15 pmMDW-LGA

2h 10mnonstop

$137Southwest

Find Deal

Wed, Sep 3 - Wed, Sep 3

9:00 am - 10:25 amLGA-MDW

2h 25mnonstop

6:55 am - 9:55 amMDW-LGA

2h 00mnonstop

$142Southwest

Find Deal

Wed, Sep 3 - Sat, Sep 6

12:00 pm - 4:15 pmLGA-PIA

5h 15m1 stop

10:39 am - 4:14 pmPIA-LGA

4h 35m1 stop

$192American Airlines

Find Deal

Sat, Aug 30 - Sat, Sep 6

10:05 am - 4:38 pmLGA-PIA

7h 33m1 stop

8:19 am - 3:00 pmPIA-LGA

5h 41m1 stop

$193American Airlines

Find Deal

Sat, Sep 27 - Wed, Oct 1

6:20 am - 7:56 amLGA-STL

2h 36mnonstop

6:05 am - 9:33 amSTL-LGA

2h 28mnonstop

$197Delta

Find Deal

Thu, Sep 11 - Tue, Sep 16

9:20 am - 11:10 amLGA-STL

2h 50mnonstop

3:10 pm - 6:43 pmSTL-LGA

2h 33mnonstop

$217Delta

Find Deal

Wed, Aug 27 - Wed, Sep 3

6:30 pm - 10:15 pmLGA-PIA

4h 45m1 stop

3:55 pm - 11:24 pmPIA-LGA

6h 29m1 stop

$221United Airlines

Find Deal

Wed, Aug 27 - Wed, Sep 3

9:18 am - 3:05 pmLGA-MLI

6h 47m1 stop

6:30 am - 2:19 pmMLI-LGA

6h 49m1 stop

$261United Airlines

Find Deal

Sat, Sep 13 - Sat, Sep 20

Spirit Airlines flights from New York LaGuardia Airport to Illinois

Our best Spirit Airlines deals on New York LaGuardia Airport to Illinois flight tickets

Spirit Airlines

Aug 30

LGA10:59 amNew York LaGuardia

14h 00m

1 stop

ORD11:59 pmChicago O'Hare Intl

Sep 6

ORD4:35 pmChicago O'Hare Intl

2h 06m

LGA7:41 pmNew York LaGuardia

$67

Find similar

Spirit Airlines

Sep 6

LGA3:12 pmNew York LaGuardia

2h 38m

ORD4:50 pmChicago O'Hare Intl

Sep 8

ORD11:13 amChicago O'Hare Intl

2h 05m

LGA2:18 pmNew York LaGuardia

$69

Find similar

Spirit Airlines

Sep 6

LGA8:36 pmNew York LaGuardia

2h 35m

ORD10:11 pmChicago O'Hare Intl

Sep 8

ORD11:13 amChicago O'Hare Intl

2h 05m

LGA2:18 pmNew York LaGuardia

$70

Find similar

Frontier flights from New York LaGuardia Airport to Illinois

Our best Frontier deals on New York LaGuardia Airport to Illinois flight tickets

Frontier

Sep 13

LGA8:47 pmNew York LaGuardia

13h 36m

1 stop

MDW9:23 amChicago Midway

Sep 20

MDW11:23 amChicago Midway

7h 39m

1 stop

LGA8:02 pmNew York LaGuardia

$196

Find similar

Frontier

Aug 5

LGA6:30 amNew York LaGuardia

11h 08m

1 stop

ORD4:38 pmChicago O'Hare Intl

Aug 16

ORD9:55 amChicago O'Hare Intl

10h 04m

1 stop

LGA8:59 pmNew York LaGuardia

$198

Find similar

Frontier

Aug 5

LGA6:30 amNew York LaGuardia

11h 08m

1 stop

ORD4:38 pmChicago O'Hare Intl

Aug 12

ORD9:55 amChicago O'Hare Intl

10h 04m

1 stop

LGA8:59 pmNew York LaGuardia

$199

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 8/30

10:59 am-11:59 pm

1 stop14h 00m

Chicago O'Hare Intl

Sat 9/6

4:35 pm-7:41 pm

Nonstop2h 06m

$67

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 9/6

3:12 pm-4:50 pm

Nonstop2h 38m

Chicago O'Hare Intl

Mon 9/8

11:13 am-2:18 pm

Nonstop2h 05m

$69

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Wed 9/3

6:00 am-7:20 am

Nonstop2h 20m

Chicago Midway

Wed 9/3

7:05 pm-10:15 pm

Nonstop2h 10m

$137

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Wed 9/3

9:00 am-10:25 am

Nonstop2h 25m

Chicago Midway

Sat 9/6

6:55 am-9:55 am

Nonstop2h 00m

$142

New YorkPeoria

LGA - PIA

LGAPIA

New York LaGuardia

Sat 8/30

12:00 pm-4:15 pm

1 stop5h 15m

Greater Peoria

Sat 9/6

10:39 am-4:14 pm

1 stop4h 35m

$192

New YorkPeoria

LGA - PIA

LGAPIA

New York LaGuardia

Sat 9/27

10:05 am-4:38 pm

1 stop7h 33m

Greater Peoria

Wed 10/1

8:19 am-3:00 pm

1 stop5h 41m

$193

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Thu 9/11

6:20 am-7:56 am

Nonstop2h 36m

Lambert-St Louis

Tue 9/16

6:05 am-9:33 am

Nonstop2h 28m

$197

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Wed 8/27

9:20 am-11:10 am

Nonstop2h 50m

Lambert-St Louis

Wed 9/3

3:10 pm-6:43 pm

Nonstop2h 33m

$217

New YorkPeoria

LGA - PIA

LGAPIA

New York LaGuardia

Wed 8/27

6:30 pm-10:15 pm

1 stop4h 45m

Greater Peoria

Wed 9/3

3:55 pm-11:24 pm

1 stop6h 29m

$221

New YorkMoline

LGA - MLI

LGAMLI

New York LaGuardia

Sat 9/13

9:18 am-3:05 pm

1 stop6h 47m

Moline Quad-City

Sat 9/20

6:30 am-2:19 pm

1 stop6h 49m

$261

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 New York LaGuardia Airport 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 New York LaGuardia Airport is in September. Flight prices, which tend to average around $190, 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 January is also cheap. Prices for this month can be found on momondo for an average of $214.

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

The cheapest day to depart from New York LaGuardia Airport to Illinois is on a Wednesday when prices can be found for as low as $284. Flights from New York LaGuardia Airport to Illinois on a Sunday will generally be more expensive and average around $388. 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 New York LaGuardia Airport to Illinois during this time can be as low as $249. Flights at noon are often more expensive with an average ticket price of $343.

What is the cheapest New York LaGuardia to Illinois flight route?

Fly from New York LaGuardia to Chicago O'Hare Intl for the best New York LaGuardia - 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 New York LaGuardia Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $258 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from New York LaGuardia Airport for as low as $214 on momondo.

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

There are 4 cabin classes available to choose from on New York LaGuardia 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 New York LaGuardia Airport to Illinois flights?

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

Cheap New York LaGuardia Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Illinois

Best Price Found	$35
Fastest flight time	2h 20m
Direct flights	Every day
Airports in Illinois	3 airports

The best one-way flight to Illinois from New York LaGuardia Airport in the past 72 hours is $35. The best round-trip flight deal from New York LaGuardia Airport to Illinois found on momondo in the last 72 hours is $67.

The fastest flight from New York LaGuardia Airport to Illinois takes 2h 20m

Direct flights go from New York LaGuardia Airport to Illinois every day.

There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

Search flight deals

When did momondo last update prices for flights from New York LaGuardia Airport to Illinois?
Prices for flights from New York LaGuardia Airport to Illinois were last updated today.
How many operators does momondo search for flights from New York LaGuardia Airport to Illinois?
The number of operators available for flights from New York LaGuardia Airport to Illinois is 7 as of July 2025.
How old do you have to be to fly from New York LaGuardia 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 New York LaGuardia Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from New York LaGuardia Airport to Illinois?
momondo data reveals that the most frequently booked plane model on the route from New York LaGuardia Airport to Illinois is Boeing 737-800, representing 24.33% of all bookings. The subsequent popular models are Boeing 737 MAX 8 at 17.22%, Airbus A320 (sharklets) at 8.91%, and Airbus A321neo at 8.88%.

Best airlines flying from New York LaGuardia Airport to Illinois

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $73	Free Cancellation	Rating 6.3 8,049 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $114	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Frontier	PriceFrom $128	Free Cancellation	Rating 5.9 3,239 reviews	Search Frontier flights
Delta	PriceFrom $128	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
American Airlines	PriceFrom $147	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $148	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Southwest	PriceFrom $152	Free Cancellation	Rating 8.0 4,246 reviews	Search Southwest flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from New York to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for New York to Illinois flights to just show those with flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Illinois from New York. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from New York to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

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.

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Popular cities in Illinois

Flights to New Yorkfrom $39

Flights to Los Angelesfrom $37

Flights to Miamifrom $58

Flights to Chicagofrom $59

Flights to Orlandofrom $54

Flights to Las Vegasfrom $35

Flights to San Franciscofrom $49

Flights to Washington, D.C.from $49

Flights to Bostonfrom $77

Flights to Atlantafrom $29

Flights to Dallasfrom $55

Flights to Seattlefrom $93

Cheap flights from New York LaGuardia Airport to Illinois from $35

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from New York LaGuardia Airport to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Spirit Airlines flights from New York LaGuardia Airport to Illinois

Our best Spirit Airlines deals on New York LaGuardia Airport to Illinois flight tickets

Frontier flights from New York LaGuardia Airport to Illinois

Our best Frontier deals on New York LaGuardia Airport to Illinois flight tickets

momondo Fare Finder

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

See travel insights to Illinois from

How to get the cheapest flight ticket from New York LaGuardia Airport 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?

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?

Our most recent data shows that the best time of day to fly to Illinois is in the evening. Flights from New York LaGuardia Airport to Illinois during this time can be as low as $249. Flights at noon are often more expensive with an average ticket price of $343.

What is the cheapest New York LaGuardia to Illinois flight route?

Fly from New York LaGuardia to Chicago O'Hare Intl for the best New York LaGuardia - Illinois flight prices

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

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

There are 4 cabin classes available to choose from on New York LaGuardia 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 New York LaGuardia Airport to Illinois flights?

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

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

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

What airlines fly to Illinois?

How many flights depart from New York LaGuardia Airport to Illinois on average per day?

The number of flights available between New York LaGuardia Airport and Illinois is 60 per day as of July 2025. The most frequent departure time is 4:00PM, with 40% of daily flights leaving at noon.

How many flights depart from New York LaGuardia Airport to Illinois on average per week?

425 flights are operational weekly from New York LaGuardia Airport to Illinois as of July 2025. The most popular departure day for this route is Thu, with 24% of flights per week taking off on this day.

Cheap New York LaGuardia Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from New York LaGuardia Airport to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

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

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

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

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

What is the most popular plane model from New York LaGuardia Airport to Illinois?

Best airlines flying from New York LaGuardia Airport to Illinois

Compare and see reviews for airlines that fly from New York LaGuardia Airport to Illinois with momondo

Why use momondo?

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

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

How can momondo help me find flights 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?

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

Popular flights according to clicks in the last 7 days on momondo