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Cheap flights from New York LaGuardia Airport to Illinois from £45

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 10/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Find the cheapest flights from New York LaGuardia Airport to Illinois

Cheap return flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
07:40 - 09:22
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
17:58 - 20:59
ORD
-
LGA
2h 01mdirect
£69Spirit Airlines
Thu, 26 Feb - Fri, 27 Feb
Spirit Airlines Logo
12:59 - 14:41
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
09:04 - 12:04
ORD
-
LGA
2h 00mdirect
£71Spirit Airlines
Thu, 21 May - Tue, 26 May
Spirit Airlines Logo
07:40 - 09:22
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
20:16 - 10:00
ORD
-
LGA
12h 44m
1 stop
£73Spirit Airlines
Mon, 23 Feb - Mon, 2 Mar
Spirit Airlines Logo
12:59 - 14:41
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
09:04 - 12:04
ORD
-
LGA
2h 00mdirect
£74Spirit Airlines
Tue, 12 May - Sun, 17 May
Spirit Airlines Logo
07:30 - 09:12
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
17:53 - 20:59
ORD
-
LGA
2h 06mdirect
£75Spirit Airlines
Sat, 7 Feb - Sun, 8 Feb
Spirit Airlines Logo
07:40 - 09:22
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
17:58 - 20:59
ORD
-
LGA
2h 01mdirect
£76Spirit Airlines
Sun, 22 Feb - Sun, 1 Mar
Multiple Airlines Logo
16:59 - 23:37
LGA
-
ORD
7h 38m
1 stop
Multiple Airlines Logo
17:58 - 20:59
ORD
-
LGA
2h 01mdirect
£77Multiple Airlines
Mon, 23 Feb - Sat, 28 Feb
Spirit Airlines Logo
12:59 - 14:41
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
09:04 - 12:04
ORD
-
LGA
2h 00mdirect
£79Spirit Airlines
Fri, 1 May - Mon, 4 May
Spirit Airlines Logo
07:40 - 09:22
LGA
-
ORD
2h 42mdirect
Spirit Airlines Logo
17:58 - 20:59
ORD
-
LGA
2h 01mdirect
£80Spirit Airlines
Fri, 6 Mar - Sun, 8 Mar
Spirit Airlines Logo
12:59 - 19:11
LGA
-
ORD
7h 12m
1 stop
Spirit Airlines Logo
18:01 - 20:59
ORD
-
LGA
1h 58mdirect
£81Spirit Airlines
Tue, 10 Mar - Sat, 14 Mar

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
26 Feb
LGA07:40New York LaGuardia
2h 42m
ORD09:22Chicago O'Hare Intl
27 Feb
ORD17:58Chicago O'Hare Intl
2h 01m
LGA20:59New York LaGuardia
£69
Spirit Airlines
21 May
LGA12:59New York LaGuardia
2h 42m
ORD14:41Chicago O'Hare Intl
26 May
ORD09:04Chicago O'Hare Intl
2h 00m
LGA12:04New York LaGuardia
£71
Spirit Airlines
23 Feb
LGA07:40New York LaGuardia
2h 42m
ORD09:22Chicago O'Hare Intl
2 Mar
ORD20:16Chicago O'Hare Intl
12h 44m
1 stop
LGA10:00New York LaGuardia
£73

Delta flights from New York LaGuardia Airport to Illinois

Our best Delta deals on New York LaGuardia Airport to Illinois flight tickets
Delta
23 Feb
LGA06:05New York LaGuardia
2h 53m
ORD07:58Chicago O'Hare Intl
4 Mar
ORD14:30Chicago O'Hare Intl
2h 18m
LGA17:48New York LaGuardia
£108
Delta
18 Feb
LGA20:15New York LaGuardia
2h 50m
ORD22:05Chicago O'Hare Intl
25 Feb
ORD09:35Chicago O'Hare Intl
2h 25m
LGA13:00New York LaGuardia
£111
Delta
20 Feb
LGA07:30New York LaGuardia
2h 57m
ORD09:27Chicago O'Hare Intl
23 Feb
ORD06:00Chicago O'Hare Intl
2h 23m
LGA09:23New York LaGuardia
£119

momondo Fare Finder

 
Customise 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 279,928 searches. Data last updated 28 January 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

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 26/2

07:40-09:22

Nonstop2h 42m

Chicago O'Hare Intl

Fri 27/2

17:58-20:59

Nonstop2h 01m

£69

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 21/5

12:59-14:41

Nonstop2h 42m

Chicago O'Hare Intl

Tue 26/5

09:04-12:04

Nonstop2h 00m

£71

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 23/2

07:40-09:22

Nonstop2h 42m

Chicago O'Hare Intl

Mon 2/3

20:16-10:00

1 stop12h 44m

£73

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 12/5

12:59-14:41

Nonstop2h 42m

Chicago O'Hare Intl

Sun 17/5

09:04-12:04

Nonstop2h 00m

£74

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 7/2

07:30-09:12

Nonstop2h 42m

Chicago O'Hare Intl

Sun 8/2

17:53-20:59

Nonstop2h 06m

£75

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sun 22/2

07:40-09:22

Nonstop2h 42m

Chicago O'Hare Intl

Sun 1/3

17:58-20:59

Nonstop2h 01m

£76

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 23/2

16:59-23:37

1 stop7h 38m

Chicago O'Hare Intl

Sat 28/2

17:58-20:59

Nonstop2h 01m

£77

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 1/5

12:59-14:41

Nonstop2h 42m

Chicago O'Hare Intl

Mon 4/5

09:04-12:04

Nonstop2h 00m

£79

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 6/3

07:40-09:22

Nonstop2h 42m

Chicago O'Hare Intl

Sun 8/3

17:58-20:59

Nonstop2h 01m

£80

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 10/3

12:59-19:11

1 stop7h 12m

Chicago O'Hare Intl

Sat 14/3

18:01-20:59

Nonstop1h 58m

£81

Flights are sorted by cheapest return 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 month of January is, on average, the cheapest month to fly to Illinois from New York LaGuardia Airport, with most prices found around £151. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £166.

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

The cheapest day to depart on your flight to Illinois is on a Tuesday when prices can be found for as low as £56. This is often the case because there is less demand to fly during this day of the week. Flights from New York LaGuardia Airport to Illinois on a Thursday will generally be more expensive and average around £306. 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 data shows that the cheapest New York LaGuardia Airport to Illinois flights are usually those with departure times in the afternoon. Our users have found flights to Illinois in the afternoon for as low as £196. At midday is when there is more demand to fly to Illinois, so prices are often more expensive at around £389 per ticket.

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 £189 when searching weeks before you fly. 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 £155 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.

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

Fastest flight time

2h 48m

Direct flights

Every day

Airports in Illinois

98 airports
The fastest flight from New York LaGuardia Airport to Illinois takes 2h 48m
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).
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?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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
Spirit AirlinesPriceFrom £84Free CancellationRating
6.3
8,388 reviews
Search Spirit Airlines 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?

momondo does allow users to show only those flights to Illinois from New York which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between New York and Illinois by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Illinois from New York. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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