What airlines fly to Illinois?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Illinois from North America according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 12 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 North America to Illinois?

United Airlines, Delta, and Alaska 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?

4,652 flights are operational weekly from North America to Illinois as of September 2026. The most popular departure day for this route is Sun, 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 September 2026, there are 664 flights per day flying from North America to Illinois. The most common time of day flights depart is 10:00AM, with 40% of flights taking off at noon.

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 8 operators available for flights from North America to Illinois as of September 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.

$68 Cheap Flights from North America to Illinois in 2026/27

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.

1:07 pm - 3:30 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 23mnonstop

8:04 am - 12:12 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 08mnonstop

$135Frontier

Thu, Oct 22 - Mon, Oct 26

1:05 pm - 3:37 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 32mnonstop

5:01 am - 9:08 amORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 07mnonstop

$135Frontier

Thu, Nov 19 - Fri, Nov 27

11:25 am - 1:50 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 25mnonstop

8:04 am - 12:12 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 08mnonstop

$139Multiple Airlines

Sat, Oct 10 - Tue, Oct 13

1:07 pm - 3:30 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 23mnonstop

7:00 am - 11:10 amORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 10mnonstop

$139Multiple Airlines

Wed, Oct 14 - Sat, Oct 17

9:15 pm - 11:36 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 21mnonstop

2:59 pm - 7:10 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 11mnonstop

$165JetBlue

Tue, Nov 10 - Wed, Nov 11

9:35 pm - 11:57 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 22mnonstop

7:00 am - 11:10 amORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 10mnonstop

$165JetBlue

Tue, Oct 27 - Wed, Oct 28

7:00 am - 9:27 amFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 27mnonstop

9:00 am - 1:18 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 18mnonstop

$167United Airlines

Tue, Oct 13 - Wed, Nov 11

4:27 pm - 7:04 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 37mnonstop

12:29 pm - 4:38 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 09mnonstop

$167United Airlines

Tue, Oct 13 - Sat, Oct 17

12:59 pm - 3:29 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 30mnonstop

5:05 pm - 9:19 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 14mnonstop

$167American Airlines

Wed, Oct 21 - Tue, Oct 27

7:00 am - 9:30 amFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 30mnonstop

4:56 pm - 9:10 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 14mnonstop

$167American Airlines

Sat, Oct 24 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

12:53 pm - 3:20 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 27mnonstop

8:04 am - 12:12 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 08mnonstop

$210Frontier

Tue, Sep 29 - Wed, Oct 14

5:02 pm - 6:23 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 21mnonstop

7:50 pm - 11:06 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 16mnonstop

$210Frontier

Sat, Oct 3 - Thu, Oct 29

4:11 pm - 9:59 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

6h 48m1 stop New York John F Kennedy Intl

8:00 pm - 11:58 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 58mnonstop

$237JetBlue

Fri, Oct 2 - Mon, Oct 12

9:30 am - 2:15 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

4h 45m1 stop Kirksville Cannon Memorial

12:26 pm - 3:09 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

2h 43mnonstop

$244Multiple Airlines

Thu, Oct 1 - Thu, Oct 15

12:54 pm - 6:23 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

6h 29m1 stop Atlanta Hartsfield-Jackson

1:00 pm - 4:48 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 48mnonstop

$254Multiple Airlines

Thu, Oct 1 - Wed, Nov 4

9:30 am - 2:15 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

4h 45m1 stop Kirksville Cannon Memorial

2:55 pm - 7:15 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

4h 20m1 stop Kirksville Cannon Memorial

$272Contour

Thu, Oct 1 - Fri, Oct 2

9:30 am - 2:15 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

4h 45m1 stop Kirksville Cannon Memorial

2:55 pm - 7:15 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

4h 20m1 stop Kirksville Cannon Memorial

$272Contour

Thu, Oct 1 - Mon, Oct 5

5:15 am - 9:58 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

5h 43m1 stop New York John F Kennedy Intl

10:59 am - 5:24 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

5h 25m1 stop New York John F Kennedy Intl

$278JetBlue

Wed, Sep 30 - Tue, Oct 6

7:17 pm - 9:35 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 18mnonstop

8:00 pm - 11:36 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 36mnonstop

$283American Airlines

Fri, Oct 2 - Wed, Oct 7

7:00 am - 9:06 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 06mnonstop

8:00 pm - 11:36 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 36mnonstop

$283American Airlines

Sun, Oct 4 - Wed, Oct 7

Cheap direct flights

Enter your travel dates to find the best prices.

1:05 pm - 3:37 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 32mnonstop

8:00 am - 12:10 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 10mnonstop

$135Frontier

Thu, Nov 5 - Mon, Nov 9

1:07 pm - 3:30 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 23mnonstop

8:04 am - 12:12 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 08mnonstop

$135Frontier

Thu, Oct 22 - Mon, Oct 26

9:15 pm - 11:30 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 15mnonstop

8:04 am - 12:12 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 08mnonstop

$139Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

9:15 pm - 11:30 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 15mnonstop

8:04 am - 12:12 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 08mnonstop

$139Multiple Airlines

Sat, Oct 10 - Tue, Oct 13

9:15 pm - 11:36 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 21mnonstop

2:59 pm - 7:10 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 11mnonstop

$165JetBlue

Tue, Nov 10 - Wed, Nov 11

9:35 pm - 11:57 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 22mnonstop

7:00 am - 11:10 amORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 10mnonstop

$165JetBlue

Tue, Oct 27 - Wed, Oct 28

4:27 pm - 7:04 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 37mnonstop

12:29 pm - 4:38 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 09mnonstop

$167United Airlines

Tue, Oct 13 - Sat, Oct 17

7:00 am - 9:27 amFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 27mnonstop

9:00 am - 1:18 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 18mnonstop

$167United Airlines

Tue, Oct 13 - Wed, Nov 11

7:00 am - 9:30 amFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 30mnonstop

4:56 pm - 9:10 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 14mnonstop

$167American Airlines

Sat, Oct 24 - Sat, Oct 31

12:59 pm - 3:29 pmFLL Fort Lauderdale-ORD Chicago O'Hare Intl

3h 30mnonstop

5:05 pm - 9:19 pmORD Chicago O'Hare Intl-FLL Fort Lauderdale

3h 14mnonstop

$167American Airlines

Wed, Oct 21 - Tue, Oct 27

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American Airlines flights from North America to Illinois

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

American Airlines

Oct 10

FLL7:00 amFort Lauderdale

3h 30m

ORD9:30 amChicago O'Hare Intl

Oct 13

ORD5:21 pmChicago O'Hare Intl

3h 14m

FLL9:35 pmFort Lauderdale

$183

American Airlines

Oct 12

BOS5:54 amBoston Logan Intl

3h 06m

ORD8:00 amChicago O'Hare Intl

Oct 17

ORD3:48 pmChicago O'Hare Intl

2h 45m

BOS7:33 pmBoston Logan Intl

$215

American Airlines

Oct 10

BOS5:38 pmBoston Logan Intl

5h 22m

1 stop

ORD10:00 pmChicago O'Hare Intl

Oct 14

ORD3:48 pmChicago O'Hare Intl

2h 45m

BOS7:33 pmBoston Logan Intl

$233

Delta flights from North America to Illinois

Our best Delta deals on North America to Illinois flight tickets

Delta

Oct 27

LAX6:00 amLos Angeles

8h 40m

1 stop

ORD4:40 pmChicago O'Hare Intl

Nov 3

ORD9:30 amChicago O'Hare Intl

4h 28m

LAX11:58 amLos Angeles

$207

Delta

Oct 15

BOS4:25 pmBoston Logan Intl

2h 55m

ORD6:20 pmChicago O'Hare Intl

Oct 19

ORD7:25 amChicago O'Hare Intl

2h 35m

BOS11:00 amBoston Logan Intl

$215

Delta

Oct 15

BOS4:25 pmBoston Logan Intl

2h 55m

ORD6:20 pmChicago O'Hare Intl

Oct 19

ORD7:25 amChicago O'Hare Intl

2h 35m

BOS11:00 amBoston Logan Intl

$216

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Thu 10/22

1:07 pm-3:30 pm

Nonstop3h 23m

Chicago O'Hare Intl

Mon 10/26

8:04 am-12:12 pm

Nonstop3h 08m

$135

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Thu 11/19

1:05 pm-3:37 pm

Nonstop3h 32m

Chicago O'Hare Intl

Fri 11/27

5:01 am-9:08 am

Nonstop3h 07m

$135

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Sat 10/10

11:25 am-1:50 pm

Nonstop3h 25m

Chicago O'Hare Intl

Tue 10/13

8:04 am-12:12 pm

Nonstop3h 08m

$139

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Wed 10/14

1:07 pm-3:30 pm

Nonstop3h 23m

Chicago O'Hare Intl

Sat 10/17

7:00 am-11:10 am

Nonstop3h 10m

$139

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 11/10

9:15 pm-11:36 pm

Nonstop3h 21m

Chicago O'Hare Intl

Wed 11/11

2:59 pm-7:10 pm

Nonstop3h 11m

$165

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 10/27

9:35 pm-11:57 pm

Nonstop3h 22m

Chicago O'Hare Intl

Wed 10/28

7:00 am-11:10 am

Nonstop3h 10m

$165

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 10/13

7:00 am-9:27 am

Nonstop3h 27m

Chicago O'Hare Intl

Wed 11/11

9:00 am-1:18 pm

Nonstop3h 18m

$167

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 10/13

4:27 pm-7:04 pm

Nonstop3h 37m

Chicago O'Hare Intl

Sat 10/17

12:29 pm-4:38 pm

Nonstop3h 09m

$167

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Wed 10/21

12:59 pm-3:29 pm

Nonstop3h 30m

Chicago O'Hare Intl

Tue 10/27

5:05 pm-9:19 pm

Nonstop3h 14m

$167

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Sat 10/24

7:00 am-9:30 am

Nonstop3h 30m

Chicago O'Hare Intl

Sat 10/31

4:56 pm-9:10 pm

Nonstop3h 14m

$167

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 January. Flight prices, which tend to average around $266, 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 February is also cheap. Prices for this month can be found on momondo for an average of $275.

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 $406. Flights from North America to Illinois on a Sunday will generally be more expensive and average around $510. 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 $369. Flights at noon are often more expensive with an average ticket price of $521.

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 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 $246 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 $177 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	$68
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 $68. The best round-trip flight deal from North America to Illinois found on momondo in the last 72 hours is $135.

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).

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 8 operators available for flights from North America to Illinois as of September 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 (19.81% of total bookings). The next most popular plane models are Airbus A321neo (13.93%), Boeing 737-900 (10.18%), and Boeing 737 MAX 8 (8.71%).

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 2,567 reviews	Search Frontier flights
JetBlue	PriceFrom $72	Free Cancellation	Rating 7.1 3,041 reviews	Search JetBlue flights
Delta	PriceFrom $74	Free Cancellation	Rating 7.8 8,607 reviews	Search Delta flights
Contour	PriceFrom $105	Free Cancellation	Rating 7.5 43 reviews	Search Contour flights
Breeze Airways	PriceFrom $122	Free Cancellation	Rating 8.2 323 reviews	Search Breeze Airways flights
United Airlines	PriceFrom $134	Free Cancellation	Rating 7.4 10,251 reviews	Search United Airlines flights
Southwest	PriceFrom $145	Free Cancellation	Rating 8.0 4,201 reviews	Search Southwest flights
American Airlines	PriceFrom $147	Free Cancellation	Rating 7.0 12,099 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $204	Free Cancellation	Rating 7.9 12,984 reviews	Search Alaska Airlines flights
Volaris	PriceFrom $205	Free Cancellation	Rating 6.6 1,134 reviews	Search Volaris 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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Find better results for your trip to Illinois

Popular cities

Other flights from North America

Other flights to Illinois

Airlines

Complete your trip

Feeling lucky

Popular cities in Illinois

Flights to New Yorkfrom $56

Flights to Los Angelesfrom $53

Flights to Orlandofrom $49

Flights to Miamifrom $77

Flights to San Franciscofrom $43

Flights to Chicagofrom $63

Flights to Las Vegasfrom $44

Flights to Washington, D.C.from $45

Flights to Fort Lauderdalefrom $60

Flights to Bostonfrom $103

Flights to Atlantafrom $38

Flights to Dallasfrom $76

Cheap flights from North America to Illinois from $68

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 12/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from North America to Illinois

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

American Airlines flights from North America to Illinois

Our best American 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

momondo Fare Finder

Use the filters below to find and compare flights from North America to Illinois that are best for you.

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

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

Fly your favorite airline to Illinois

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Complete your trip to Illinois

Explore popular destinations other users love

According to popular flight searches on momondo this year