What is the cheapest airline that flies from North America to Illinois?

Delta, JetBlue, and United Airlines are the most popular carriers operating from North America to Illinois

How many flights depart from North America to Illinois on average per week?

3,817 flights are operational weekly from North America to Illinois as of June 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

How many flights depart from North America to Illinois on average per day?

As of June 2026, there are 545 flights per day flying from North America to Illinois. The most common time of day flights depart is 8:00AM, with 40% of flights taking off at noon.

What airlines fly to Illinois?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Illinois from North America according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 10 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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?

There are 9 operators available for flights from North America to Illinois as of June 2026.

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.

$63 Cheap Flights from North America to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from North America to Illinois

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:50 pm - 12:24 am

DFW

ORD

2h 34mnonstop

6:05 am - 8:44 am

ORD

DFW

2h 39mnonstop

$163Frontier

Thu, Oct 8 - Thu, Oct 15

1:17 pm - 4:00 pm

DFW

ORD

2h 43mnonstop

9:34 pm - 12:19 am

ORD

DFW

2h 45mnonstop

$165Frontier

Tue, Aug 11 - Thu, Aug 20

9:46 pm - 11:42 pm

LGA

ORD

2h 56mnonstop

3:04 pm - 6:22 pm

ORD

LGA

2h 18mnonstop

$186American Airlines

Sat, Aug 22 - Wed, Aug 26

7:21 am - 9:00 am

LGA

ORD

2h 39mnonstop

7:00 am - 10:17 am

ORD

LGA

2h 17mnonstop

$187United Airlines

Sat, Jul 18 - Tue, Jul 28

9:29 pm - 11:30 pm

LGA

ORD

3h 01mnonstop

6:57 pm - 10:17 pm

ORD

LGA

2h 20mnonstop

$188American Airlines

Tue, Aug 4 - Sat, Aug 8

7:20 am - 9:00 am

LGA

ORD

2h 40mnonstop

6:00 am - 9:13 am

ORD

LGA

2h 13mnonstop

$192United Airlines

Mon, Sep 14 - Wed, Sep 16

7:50 am - 9:42 am

JFK

ORD

2h 52mnonstop

6:00 am - 9:21 am

ORD

JFK

2h 21mnonstop

$192Delta

Sat, Sep 19 - Sun, Sep 27

6:00 am - 10:42 am

EWR

ORD

5h 42m

1 stop

5:20 pm - 11:25 pm

ORD

EWR

5h 05m

1 stop

$207Delta

Wed, Aug 5 - Tue, Aug 11

7:55 am - 6:57 pm

SFO

ORD

9h 02m

1 stop

2:18 pm - 9:42 pm

ORD

SFO

9h 24m

1 stop

$315Alaska Airlines

Thu, Aug 6 - Wed, Aug 19

7:01 am - 6:53 pm

SEA

ORD

9h 52m

1 stop

2:21 pm - 10:34 pm

ORD

SEA

10h 13m

1 stop

$354Alaska Airlines

Fri, Oct 16 - Sat, Oct 24

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United Airlines flights from North America to Illinois

Our best United Airlines deals on North America to Illinois flight tickets

United Airlines

Jul 18

LGA6:10 amNew York LaGuardia

2h 39m

ORD7:49 amChicago O'Hare Intl

Jul 21

ORD9:00 amChicago O'Hare Intl

2h 23m

LGA12:23 pmNew York LaGuardia

$187

United Airlines

Sep 14

LGA7:20 amNew York LaGuardia

2h 40m

ORD9:00 amChicago O'Hare Intl

Sep 16

ORD6:00 amChicago O'Hare Intl

2h 13m

LGA9:13 amNew York LaGuardia

$192

United Airlines

Aug 10

LGA7:25 pmNew York LaGuardia

2h 47m

ORD9:12 pmChicago O'Hare Intl

Aug 11

ORD8:00 amChicago O'Hare Intl

2h 17m

LGA11:17 amNew York LaGuardia

$195

Delta flights from North America to Illinois

Our best Delta deals on North America to Illinois flight tickets

Delta

Sep 19

JFK7:50 amNew York John F Kennedy Intl

2h 52m

ORD9:42 amChicago O'Hare Intl

Sep 27

ORD6:00 amChicago O'Hare Intl

2h 21m

JFK9:21 amNew York John F Kennedy Intl

$192

Delta

Jul 22

LGA6:00 amNew York LaGuardia

2h 32m

ORD7:32 amChicago O'Hare Intl

Aug 7

ORD8:12 pmChicago O'Hare Intl

2h 32m

LGA11:44 pmNew York LaGuardia

$197

Delta

Jul 7

JFK7:20 amNew York John F Kennedy Intl

2h 53m

ORD9:13 amChicago O'Hare Intl

Jul 14

ORD6:00 amChicago O'Hare Intl

2h 24m

JFK9:24 amNew York John F Kennedy Intl

$202

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 10/8

9:50 pm-12:24 am

Nonstop2h 34m

Chicago O'Hare Intl

Thu 10/15

6:05 am-8:44 am

Nonstop2h 39m

$163

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Tue 8/11

1:17 pm-4:00 pm

Nonstop2h 43m

Chicago O'Hare Intl

Thu 8/20

9:34 pm-12:19 am

Nonstop2h 45m

$165

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 8/22

9:46 pm-11:42 pm

Nonstop2h 56m

Chicago O'Hare Intl

Wed 8/26

3:04 pm-6:22 pm

Nonstop2h 18m

$186

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 7/18

7:21 am-9:00 am

Nonstop2h 39m

Chicago O'Hare Intl

Tue 7/28

7:00 am-10:17 am

Nonstop2h 17m

$187

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 8/4

9:29 pm-11:30 pm

Nonstop3h 01m

Chicago O'Hare Intl

Sat 8/8

6:57 pm-10:17 pm

Nonstop2h 20m

$188

Quickest round-trip

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 9/14

7:20 am-9:00 am

Nonstop2h 40m

Chicago O'Hare Intl

Wed 9/16

6:00 am-9:13 am

Nonstop2h 13m

$192

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 9/19

7:50 am-9:42 am

Nonstop2h 52m

Chicago O'Hare Intl

Sun 9/27

6:00 am-9:21 am

Nonstop2h 21m

$192

NewarkChicago

EWR - ORD

EWRORD

Newark

Wed 8/5

6:00 am-10:42 am

1 stop5h 42m

Chicago O'Hare Intl

Tue 8/11

5:20 pm-11:25 pm

1 stop5h 05m

$207

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 8/6

7:55 am-6:57 pm

1 stop9h 02m

Chicago O'Hare Intl

Wed 8/19

2:18 pm-9:42 pm

1 stop9h 24m

$315

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Fri 10/16

7:01 am-6:53 pm

1 stop9h 52m

Chicago O'Hare Intl

Sat 10/24

2:21 pm-10:34 pm

1 stop10h 13m

$354

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 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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from North America is in September. Flight prices, which tend to average around $264, 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 $264.

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 $400. Flights from North America to Illinois on a Sunday will generally be more expensive and average around $488. 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 $326. Flights at noon are often more expensive with an average ticket price of $498.

What is the cheapest North America to Illinois flight route?

Fly from Dallas/Fort Worth to Chicago Midway for the best North America - Illinois flight prices

How far in advance should I book a flight from North America 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 $243 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 $174 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	$39
Fastest flight time	0h 50m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from North America in the past 72 hours is $39. The best round-trip flight deal from North America to Illinois found on momondo in the last 72 hours is $78.

The fastest flight from North America to Illinois takes 0h 50m

Direct flights go from North America to Illinois every day.

There are 98 airports in Illinois. From North America there are direct flights to Chicago O'Hare Intl (ORD), Chicago Midway (MDW).

Search flight deals

Frequently asked questions about flying from North America to Illinois

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?
There are 9 operators available for flights from North America to Illinois as of June 2026.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from North America to Illinois is Boeing 737-800 (21.81% of total bookings). The next most popular plane models are Airbus A321neo (13.61%), Boeing 737-900 (10.05%), and Boeing 737 MAX 8 (8.66%).

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
Frontier	PriceFrom $39	Free Cancellation	Rating 5.6 2,871 reviews	Search Frontier flights
JetBlue	PriceFrom $68	Free Cancellation	Rating 7.1 2,996 reviews	Search JetBlue flights
Delta	PriceFrom $74	Free Cancellation	Rating 7.8 8,421 reviews	Search Delta flights
Contour	PriceFrom $105	Free Cancellation	Rating 7.7 42 reviews	Search Contour flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,827 reviews	Search Hawaiian Airlines flights
Allegiant Air	PriceFrom $110	Free Cancellation	Rating 7.3 692 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $125	Free Cancellation	Rating 7.4 9,875 reviews	Search United Airlines flights
Southwest	PriceFrom $131	Free Cancellation	Rating 7.9 4,243 reviews	Search Southwest flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.1 11,739 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $177	Free Cancellation	Rating 7.9 12,561 reviews	Search Alaska 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.

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Popular cities in Illinois

Flights to New Yorkfrom $62

Flights to Los Angelesfrom $64

Flights to Orlandofrom $63

Flights to Miamifrom $50

Flights to Chicagofrom $74

Flights to San Franciscofrom $55

Flights to Las Vegasfrom $56

Flights to Washington, D.C.from $55

Flights to Bostonfrom $54

Flights to Atlantafrom $58

Flights to Fort Lauderdalefrom $59

Flights to Dallasfrom $72

Cheap flights from North America to Illinois from $77

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 10/1. 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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United Airlines flights from North America to Illinois

Our best United Airlines deals on North America to Illinois flight tickets

Delta flights from North America to Illinois

Our best Delta deals on North America to Illinois flight tickets

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See travel insights to Illinois from

How to get the cheapest flight ticket from North America to Illinois

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?

What is the cheapest North America to Illinois flight route?

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

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

Can stopping save me money on North America to Illinois flights?

What is the cheapest airline that flies from North America to Illinois?

What airlines fly to Illinois?

How many flights depart from North America to Illinois on average per day?

How many flights depart from North America to Illinois on average per week?

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

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying 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

Why use momondo?

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

North America flight routes

According to popular flight searches on momondo this year

Illinois flight routes

According to popular flight searches on momondo this year

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