Cheap flights from North America to Illinois from $47

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North America to Illinois departing on 9/28. 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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Cheap round-trip flights

Frontier Logo
10:58 pm - 12:10 amATL-ORD
2h 12mnonstop
Frontier Logo
6:21 pm - 9:49 pmORD-ATL
2h 28mnonstop
$78Frontier
Find Deal
jue., sep. 11 - lun., sep. 15
Frontier Logo
10:58 pm - 12:10 amATL-ORD
2h 12mnonstop
Frontier Logo
10:42 am - 1:54 pmORD-ATL
2h 12mnonstop
$79Frontier
Find Deal
lun., sep. 29 - lun., oct. 6
Spirit Airlines Logo
9:05 am - 11:33 amDFW-ORD
2h 28mnonstop
Spirit Airlines Logo
1:01 pm - 3:39 pmORD-DFW
2h 38mnonstop
$110Spirit Airlines
Find Deal
jue., oct. 23 - dom., oct. 26
Spirit Airlines Logo
9:05 am - 11:33 amDFW-ORD
2h 28mnonstop
Spirit Airlines Logo
11:52 am - 12:10 amORD-DFW
12h 18m1 stop
$124Spirit Airlines
Find Deal
jue., oct. 16 - dom., oct. 19
United Airlines Logo
7:28 am - 9:05 amLGA-ORD
2h 37mnonstop
United Airlines Logo
8:00 pm - 11:24 pmORD-LGA
2h 24mnonstop
$149United Airlines
Find Deal
lun., sep. 22 - vie., sep. 26
United Airlines Logo
9:30 pm - 11:07 pmLGA-ORD
2h 37mnonstop
United Airlines Logo
7:00 am - 10:16 amORD-LGA
2h 16mnonstop
$158United Airlines
Find Deal
vie., sep. 19 - mar., sep. 23
Southwest Logo
2:00 pm - 9:30 pmLGA-ORD
8h 30m1 stop
Southwest Logo
12:40 pm - 11:20 pmORD-LGA
9h 40m1 stop
$159Southwest
Find Deal
vie., oct. 3 - vie., oct. 10
American Airlines Logo
11:00 am - 12:41 pmJFK-ORD
2h 41mnonstop
American Airlines Logo
1:43 pm - 5:05 pmORD-JFK
2h 22mnonstop
$161American Airlines
Find Deal
sáb., oct. 4 - mié., oct. 8
American Airlines Logo
7:30 am - 9:11 amLGA-ORD
2h 41mnonstop
American Airlines Logo
6:00 am - 9:04 amORD-LGA
2h 04mnonstop
$163American Airlines
Find Deal
jue., oct. 16 - lun., oct. 20
Southwest Logo
7:40 am - 3:20 pmLGA-ORD
8h 40m1 stop
Southwest Logo
7:30 am - 9:45 pmORD-LGA
13h 15m1 stop
$164Southwest
Find Deal
jue., oct. 9 - dom., oct. 12

Delta flights from North America to Illinois

Our best Delta deals on North America to Illinois flight tickets
Delta
Sep 27
LGA5:10 pmNew York LaGuardia
2h 44m
ORD6:54 pmChicago O'Hare Intl
Sep 29
ORD8:20 pmChicago O'Hare Intl
2h 18m
LGA11:38 pmNew York LaGuardia
Delta
Sep 27
JFK8:00 amNew York John F Kennedy Intl
2h 56m
ORD9:56 amChicago O'Hare Intl
Sep 29
ORD6:28 pmChicago O'Hare Intl
2h 40m
JFK10:08 pmNew York John F Kennedy Intl
Delta
Sep 3
JFK7:29 pmNew York John F Kennedy Intl
3h 18m
ORD9:47 pmChicago O'Hare Intl
Sep 16
ORD7:00 amChicago O'Hare Intl
2h 22m
JFK10:22 amNew York John F Kennedy Intl

JetBlue flights from North America to Illinois

Our best JetBlue deals on North America to Illinois flight tickets
JetBlue
Oct 4
JFK4:30 pmNew York John F Kennedy Intl
2h 53m
ORD6:23 pmChicago O'Hare Intl
Oct 8
ORD1:35 pmChicago O'Hare Intl
2h 24m
JFK4:59 pmNew York John F Kennedy Intl
JetBlue
Sep 9
JFK10:30 amNew York John F Kennedy Intl
2h 40m
ORD12:10 pmChicago O'Hare Intl
Sep 16
ORD1:35 pmChicago O'Hare Intl
2h 24m
JFK4:59 pmNew York John F Kennedy Intl
JetBlue
Dec 4
JFK8:00 pmNew York John F Kennedy Intl
2h 48m
ORD9:48 pmChicago O'Hare Intl
Dec 7
ORD7:00 amChicago O'Hare Intl
2h 13m
JFK10:13 amNew York John F Kennedy Intl

momondo Fare Finder

 
Customize your flight search to find flights from North America 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 agosto 28, 2025.
Use the filters below to find and compare flights from North America to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

jue. 9/11

10:58 pm-12:10 am

Nonstop2h 12m

Chicago O'Hare Intl

lun. 9/15

6:21 pm-9:49 pm

Nonstop2h 28m

$78

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

lun. 9/29

10:58 pm-12:10 am

Nonstop2h 12m

Chicago O'Hare Intl

lun. 10/6

10:42 am-1:54 pm

Nonstop2h 12m

$79

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

jue. 10/23

9:05 am-11:33 am

Nonstop2h 28m

Chicago O'Hare Intl

dom. 10/26

1:01 pm-3:39 pm

Nonstop2h 38m

$110

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

jue. 10/16

9:05 am-11:33 am

Nonstop2h 28m

Chicago O'Hare Intl

dom. 10/19

11:52 am-12:10 am

1 stop12h 18m

$124

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

lun. 9/22

7:28 am-9:05 am

Nonstop2h 37m

Chicago O'Hare Intl

vie. 9/26

8:00 pm-11:24 pm

Nonstop2h 24m

$149

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

vie. 9/19

9:30 pm-11:07 pm

Nonstop2h 37m

Chicago O'Hare Intl

mar. 9/23

7:00 am-10:16 am

Nonstop2h 16m

$158

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

vie. 10/3

2:00 pm-9:30 pm

1 stop8h 30m

Chicago O'Hare Intl

vie. 10/10

12:40 pm-11:20 pm

1 stop9h 40m

$159

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

sáb. 10/4

11:00 am-12:41 pm

Nonstop2h 41m

Chicago O'Hare Intl

mié. 10/8

1:43 pm-5:05 pm

Nonstop2h 22m

$161

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

jue. 10/16

7:30 am-9:11 am

Nonstop2h 41m

Chicago O'Hare Intl

lun. 10/20

6:00 am-9:04 am

Nonstop2h 04m

$163

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

jue. 10/9

7:40 am-3:20 pm

1 stop8h 40m

Chicago O'Hare Intl

dom. 10/12

7:30 am-9:45 pm

1 stop13h 15m

$164

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 North America 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 North America is in January. Flight prices, which tend to average around $181, 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 September is also cheap. Prices for this month can be found on momondo for an average of $182.

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

The cheapest day to depart from North America to Illinois is on a Wednesday when prices can be found for as low as $360. Flights from North America to Illinois on a Sunday will generally be more expensive and average around $459. 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 North America to Illinois during this time can be as low as $281. Flights at noon are often more expensive with an average ticket price of $450.

What is the cheapest North America to Illinois flight route?

Fly from Newark to Chicago Midway for the best North America - 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 North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $250 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from North America for as low as $199 on momondo.

What cabin class options are available on North America to Illinois flights?

There are 4 cabin classes available to choose from on North America 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 North America to Illinois flights?

No. A direct flight is the cheapest option for a flight between North America to Illinois.

Cheap North America to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North America to Illinois

Best Price Found

$55

Fastest flight time

2h 03m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from North America in the past 72 hours is $55. The best round-trip flight deal from North America to Illinois found on momondo in the last 72 hours is $68.
The fastest flight from North America to Illinois takes 2h 03m
Direct flights go from North America to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
  • When did momondo last update prices for flights from North America to Illinois?

    Prices for flights from North America to Illinois refresh daily.

  • How many operators does momondo search for flights from North America to Illinois?

  • How old do you have to be to fly from North America 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 North America 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 North America to Illinois?

Best airlines flying from North America to Illinois

Compare and see reviews for airlines that fly from North America to Illinois with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $32Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
FrontierPriceFrom $57Free CancellationRating
5.8
3,204 reviews
Search Frontier flights
JetBluePriceFrom $75Free CancellationRating
7.2
2,920 reviews
Search JetBlue flights
Allegiant AirPriceFrom $84Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
United AirlinesPriceFrom $97Free CancellationRating
7.4
8,944 reviews
Search United Airlines flights
DeltaPriceFrom $97Free CancellationRating
7.9
7,977 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,690 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $119Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
Sun Country AirPriceFrom $130Free CancellationRating
6.9
331 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $137Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from North America to Illinois?

Finding the right flight to Illinois from North America is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from North America to Illinois with flexible booking policies on momondo?

Flights from North America 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 North America to Illinois?

Once all potential North America to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from North America and alert you 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 9/2
mar. 9/9

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