Cheap flights from New York LaGuardia Airport to Illinois from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New York LaGuardia Airport to Illinois departing on 9/10. 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 New York LaGuardia Airport to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
2:25 pm - 4:09 pm
LGA
-
ORD
2h 44mnonstop
United Airlines Logo
7:57 am - 11:14 am
ORD
-
LGA
2h 17mnonstop
$192United Airlines
Wed, Sep 9 - Thu, Sep 10
Southwest Logo
9:35 pm - 10:50 pm
LGA
-
MDW
2h 15mnonstop
Southwest Logo
5:00 am - 8:00 am
MDW
-
LGA
2h 00mnonstop
$192Southwest
Tue, Sep 22 - Thu, Sep 24
Delta Logo
2:50 pm - 4:37 pm
LGA
-
ORD
2h 47mnonstop
Delta Logo
7:05 am - 10:19 am
ORD
-
LGA
2h 14mnonstop
$197Delta
Mon, Aug 3 - Wed, Aug 5
American Airlines Logo
7:16 am - 9:05 am
LGA
-
ORD
2h 49mnonstop
American Airlines Logo
8:25 pm - 11:45 pm
ORD
-
LGA
2h 20mnonstop
$199American Airlines
Mon, Aug 17 - Wed, Aug 19
American Airlines Logo
7:16 am - 9:05 am
LGA
-
ORD
2h 49mnonstop
American Airlines Logo
8:25 pm - 11:45 pm
ORD
-
LGA
2h 20mnonstop
$200American Airlines
Mon, Aug 17 - Wed, Aug 19
Delta Logo
6:00 am - 10:25 am
LGA
-
MLI
5h 25m
1 stop
Delta Logo
5:09 pm - 11:24 pm
MLI
-
LGA
5h 15m
1 stop
$231Delta
Wed, Aug 26 - Tue, Sep 1
Multiple Airlines Logo
8:29 pm - 8:52 am
LGA
-
RFD
13h 23m
1 stop
Multiple Airlines Logo
10:22 am - 3:59 pm
RFD
-
LGA
28h 37m
1 stop
$246Multiple Airlines
Thu, Sep 24 - Mon, Sep 28
Multiple Airlines Logo
8:29 pm - 8:52 am
LGA
-
RFD
13h 23m
1 stop
Multiple Airlines Logo
10:22 am - 3:59 pm
RFD
-
LGA
28h 37m
1 stop
$251Multiple Airlines
Thu, Sep 24 - Mon, Sep 28
Frontier Logo
10:00 pm - 8:57 am
LGA
-
STL
11h 57m
1 stop
Frontier Logo
4:09 pm - 4:00 pm
STL
-
LGA
22h 51m
1 stop
$320Frontier
Fri, Jul 10 - Sun, Jul 12
Frontier Logo
10:00 pm - 8:57 am
LGA
-
STL
11h 57m
1 stop
Frontier Logo
8:08 pm - 8:57 pm
STL
-
LGA
23h 49m
2 stops
$323Frontier
Fri, Jul 17 - Mon, Jul 20

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Delta flights from New York LaGuardia Airport to Illinois

Our best Delta deals on New York LaGuardia Airport to Illinois flight tickets
Delta
Aug 3
LGA2:50 pmNew York LaGuardia
2h 47m
ORD4:37 pmChicago O'Hare Intl
Aug 5
ORD7:05 amChicago O'Hare Intl
2h 14m
LGA10:19 amNew York LaGuardia
$197
Delta
Jul 8
LGA6:00 amNew York LaGuardia
2h 32m
ORD7:32 amChicago O'Hare Intl
Jul 14
ORD8:10 pmChicago O'Hare Intl
2h 34m
LGA11:44 pmNew York LaGuardia
$202
Delta
Jul 17
LGA8:45 pmNew York LaGuardia
2h 51m
ORD10:36 pmChicago O'Hare Intl
Aug 19
ORD7:05 amChicago O'Hare Intl
2h 14m
LGA10:19 amNew York LaGuardia
$204

American Airlines flights from New York LaGuardia Airport to Illinois

Our best American Airlines deals on New York LaGuardia Airport to Illinois flight tickets
American Airlines
Aug 17
LGA7:16 amNew York LaGuardia
2h 49m
ORD9:05 amChicago O'Hare Intl
Aug 19
ORD8:25 pmChicago O'Hare Intl
2h 20m
LGA11:45 pmNew York LaGuardia
$199
American Airlines
Aug 17
LGA7:16 amNew York LaGuardia
2h 49m
ORD9:05 amChicago O'Hare Intl
Aug 19
ORD8:25 pmChicago O'Hare Intl
2h 20m
LGA11:45 pmNew York LaGuardia
$200
American Airlines
Jul 11
LGA6:34 amNew York LaGuardia
2h 46m
ORD8:20 amChicago O'Hare Intl
Jul 15
ORD1:14 pmChicago O'Hare Intl
2h 20m
LGA4:34 pmNew York LaGuardia
$206

momondo Fare Finder

 
Customize your flight search to find flights from New York LaGuardia Airport 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 New York LaGuardia Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Wed 9/9

2:25 pm-4:09 pm

Nonstop2h 44m

Chicago O'Hare Intl

Thu 9/10

7:57 am-11:14 am

Nonstop2h 17m

$192
Quickest round-trip

New YorkChicago

LGA - MDW

LGAMDW

New York LaGuardia

Tue 9/22

9:35 pm-10:50 pm

Nonstop2h 15m

Chicago Midway

Thu 9/24

5:00 am-8:00 am

Nonstop2h 00m

$192

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 8/3

2:50 pm-4:37 pm

Nonstop2h 47m

Chicago O'Hare Intl

Wed 8/5

7:05 am-10:19 am

Nonstop2h 14m

$197

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 8/17

7:16 am-9:05 am

Nonstop2h 49m

Chicago O'Hare Intl

Wed 8/19

8:25 pm-11:45 pm

Nonstop2h 20m

$199

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 8/17

7:16 am-9:05 am

Nonstop2h 49m

Chicago O'Hare Intl

Wed 8/19

8:25 pm-11:45 pm

Nonstop2h 20m

$200

New YorkMoline

LGA - MLI

LGAMLI

New York LaGuardia

Wed 8/26

6:00 am-10:25 am

1 stop5h 25m

Moline Quad-City

Tue 9/1

5:09 pm-11:24 pm

1 stop5h 15m

$231

New YorkChicago

LGA - RFD

LGARFD

New York LaGuardia

Thu 9/24

8:29 pm-8:52 am

1 stop13h 23m

Chicago Greater Rockford

Mon 9/28

10:22 am-3:59 pm

1 stop28h 37m

$246

New YorkChicago

LGA - RFD

LGARFD

New York LaGuardia

Thu 9/24

8:29 pm-8:52 am

1 stop13h 23m

Chicago Greater Rockford

Mon 9/28

10:22 am-3:59 pm

1 stop28h 37m

$251

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 7/10

10:00 pm-8:57 am

1 stop11h 57m

Lambert-St Louis

Sun 7/12

4:09 pm-4:00 pm

1 stop22h 51m

$320

New YorkSt. Louis

LGA - STL

LGASTL

New York LaGuardia

Fri 7/17

10:00 pm-8:57 am

1 stop11h 57m

Lambert-St Louis

Mon 7/20

8:08 pm-8:57 pm

2 stops23h 49m

$323

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 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?

The cheapest month to fly to Illinois from New York LaGuardia Airport is in January. Flight prices, which tend to average around $58, 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 $271.

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 $320. Flights from New York LaGuardia Airport to Illinois on a Sunday will generally be more expensive and average around $398. 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 $316. Flights at noon are often more expensive with an average ticket price of $359.

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 from New York LaGuardia Airport 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 $276 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 $231 on momondo.

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

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

$168

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from New York LaGuardia Airport in the past 72 hours is $168. The best round-trip flight deal from New York LaGuardia Airport to Illinois found on momondo in the last 72 hours is $288.
The fastest flight from New York LaGuardia Airport to Illinois takes 2h 15m
Direct flights go from New York LaGuardia Airport to Illinois every day.
There are 98 airports in Illinois. From New York LaGuardia Airport there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Frequently asked questions about flying from New York LaGuardia Airport 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?

  • 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?

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
FrontierPriceFrom $96Free CancellationRating
5.6
2,861 reviews
Search Frontier flights
DeltaPriceFrom $106Free CancellationRating
7.8
8,451 reviews
Search Delta flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights
American AirlinesPriceFrom $159Free CancellationRating
7.1
11,779 reviews
Search American Airlines flights
SouthwestPriceFrom $164Free CancellationRating
7.9
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.

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1 adult
Mon 7/27
Mon 8/3

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