What airlines fly to Illinois?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Illinois from United States according to our data. United Airlines is the first choice among our users, with 38% 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.

How long is the flight from United States to Illinois?

The flight from United States to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from New York (a popular airport in United States) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 2h 44m on average. If you fly from Boston (another popular airport in United States) to Chicago O'Hare Intl Airport, then the average flight time is 2h 47m.

How many flights depart from United States to Illinois on average per week?

The number of flights available between United States and Illinois is 1,937 per week as of August 2026. The most frequent departure day is Mon, with 29% of weekly flights leaving on this day.

What is the cheapest airline that flies from United States to Illinois?

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

How many flights depart from United States to Illinois on average per day?

As of August 2026, 276 flights take off from United States and land in Illinois each day. The most common flight departure time for this route is 8:00AM, with 43% of daily flights taking off at noon.

When did momondo last update prices for flights from United States to Illinois?

Prices for flights from United States to Illinois refresh daily.

How many operators does momondo search for flights from United States to Illinois?

As of August 2026, there are 8 operators available to choose from for flights from United States to Illinois.

How old do you have to be to fly from United States to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$58 Cheap Flights from the United States to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Illinois

Round-trip

One-way

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Recent round-trip flight deals from the United States to Illinois

Enter your travel dates to find the best prices.

11:17 am - 10:59 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

12h 42m1 stop Orlando

8:24 pm - 12:23 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 59mnonstop

$162Multiple Airlines

Thu, Oct 1 - Mon, Oct 5

6:55 am - 8:46 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 51mnonstop

8:24 pm - 11:58 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 34mnonstop

$163JetBlue

Wed, Oct 21 - Sat, Oct 24

11:00 am - 12:54 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 54mnonstop

8:24 pm - 12:09 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 45mnonstop

$163JetBlue

Sat, Sep 5 - Sat, Sep 12

7:55 am - 9:51 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 56mnonstop

6:10 am - 9:33 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 23mnonstop

$165United Airlines

Tue, Sep 29 - Wed, Sep 30

7:05 am - 9:04 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 59mnonstop

7:55 pm - 11:30 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 35mnonstop

$165United Airlines

Mon, Sep 7 - Mon, Sep 14

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

3h 18mnonstop

6:00 am - 9:39 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 39mnonstop

$165American Airlines

Thu, Sep 10 - Mon, Sep 14

7:10 am - 9:16 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 06mnonstop

3:01 pm - 6:41 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 40mnonstop

$165American Airlines

Thu, Sep 3 - Sat, Sep 5

4:16 pm - 6:20 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 04mnonstop

10:30 am - 1:59 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 29mnonstop

$165Delta

Tue, Sep 1 - Wed, Sep 2

8:50 pm - 10:32 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 42mnonstop

7:10 pm - 10:53 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 43mnonstop

$165Delta

Wed, Sep 30 - Tue, Oct 6

5:00 pm - 7:01 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 01mnonstop

3:50 pm - 10:58 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

18h 08m1 stop Orlando

$166Multiple Airlines

Thu, Sep 17 - Sat, Sep 19

Recent last minute flight deals from the United States to Illinois

Enter your travel dates to find the best prices.

6:11 pm - 7:53 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 42mnonstop

8:52 pm - 12:15 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 23mnonstop

$186Frontier

Fri, Aug 14 - Sat, Aug 15

1:17 pm - 4:00 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

2h 43mnonstop

9:20 am - 12:12 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

2h 52mnonstop

$197Frontier

Fri, Aug 14 - Tue, Aug 18

1:17 pm - 4:00 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

2h 43mnonstop

2:40 pm - 7:15 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

4h 35m1 stop Kirksville Cannon Memorial

$211Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

1:17 pm - 4:00 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

2h 43mnonstop

2:40 pm - 7:15 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

4h 35m1 stop Kirksville Cannon Memorial

$211Multiple Airlines

Wed, Aug 12 - Wed, Aug 19

5:25 pm - 7:29 pmLGA New York LaGuardia-ORD Chicago O'Hare Intl

3h 04mnonstop

1:45 pm - 5:02 pmORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 17mnonstop

$213American Airlines

Wed, Aug 12 - Thu, Sep 17

4:00 pm - 5:57 pmLGA New York LaGuardia-ORD Chicago O'Hare Intl

2h 57mnonstop

6:00 am - 9:14 amORD Chicago O'Hare Intl-LGA New York LaGuardia

2h 14mnonstop

$213American Airlines

Wed, Aug 12 - Tue, Sep 15

7:30 am - 9:26 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 56mnonstop

7:55 am - 11:24 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 29mnonstop

$241Delta

Sat, Aug 15 - Tue, Sep 1

7:30 am - 9:26 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 56mnonstop

7:30 pm - 11:00 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 30mnonstop

$241Delta

Wed, Aug 12 - Tue, Sep 1

10:19 am - 11:59 amEWR Newark-ORD Chicago O'Hare Intl

2h 40mnonstop

5:30 pm - 8:59 pmORD Chicago O'Hare Intl-EWR Newark

2h 29mnonstop

$262United Airlines

Sat, Aug 15 - Sat, Sep 5

8:29 pm - 10:15 pmEWR Newark-ORD Chicago O'Hare Intl

2h 46mnonstop

5:00 am - 8:14 amORD Chicago O'Hare Intl-EWR Newark

2h 14mnonstop

$284United Airlines

Sat, Aug 15 - Sat, Sep 5

Recent direct flight deals from the United States to Illinois

Enter your travel dates to find the best prices.

7:00 am - 8:48 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

8:24 pm - 12:09 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 45mnonstop

$163JetBlue

Wed, Sep 16 - Sat, Sep 19

5:00 pm - 7:01 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 01mnonstop

8:24 pm - 12:09 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 45mnonstop

$163JetBlue

Thu, Sep 24 - Sat, Sep 26

6:00 am - 7:59 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 59mnonstop

2:01 pm - 5:26 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 25mnonstop

$165United Airlines

Thu, Oct 22 - Mon, Oct 26

6:42 pm - 8:40 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 58mnonstop

7:55 pm - 11:30 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 35mnonstop

$165United Airlines

Wed, Sep 2 - Tue, Sep 8

4:29 pm - 6:42 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 13mnonstop

10:30 am - 2:08 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 38mnonstop

$165American Airlines

Thu, Sep 17 - Sat, Sep 19

5:54 am - 8:00 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

3h 06mnonstop

8:30 am - 12:07 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 37mnonstop

$165American Airlines

Mon, Oct 26 - Wed, Oct 28

4:05 pm - 6:01 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 56mnonstop

7:35 am - 11:08 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 33mnonstop

$165Delta

Wed, Sep 9 - Tue, Sep 15

4:25 pm - 6:20 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 55mnonstop

7:10 pm - 10:53 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 43mnonstop

$165Delta

Tue, Oct 6 - Tue, Oct 13

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

$169Frontier

Fri, Oct 2 - Sun, Oct 4

11:54 am - 1:30 pmPHL Philadelphia-ORD Chicago O'Hare Intl

2h 36mnonstop

7:25 am - 10:49 amORD Chicago O'Hare Intl-PHL Philadelphia

2h 24mnonstop

$170Frontier

Mon, Sep 14 - Fri, Sep 25

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Alaska Airlines flights from United States to Illinois

Our best Alaska Airlines deals on United States to Illinois flight tickets

Alaska Airlines

Sep 11

SEA5:51 pmSeattle/Tacoma Intl

4h 08m

ORD11:59 pmChicago O'Hare Intl

Sep 12

ORD4:08 pmChicago O'Hare Intl

4h 39m

SEA6:47 pmSeattle/Tacoma Intl

$282

Alaska Airlines

Sep 12

SEA7:40 amSeattle/Tacoma Intl

9h 41m

1 stop

ORD7:21 pmChicago O'Hare Intl

Sep 24

ORD6:00 amChicago O'Hare Intl

4h 30m

SEA8:30 amSeattle/Tacoma Intl

$287

Alaska Airlines

Aug 18

SEA5:48 pmSeattle/Tacoma Intl

4h 11m

ORD11:59 pmChicago O'Hare Intl

Sep 3

ORD6:00 amChicago O'Hare Intl

4h 30m

SEA8:30 amSeattle/Tacoma Intl

$353

JetBlue flights from United States to Illinois

Our best JetBlue deals on United States to Illinois flight tickets

JetBlue

Oct 15

BOS5:00 pmBoston Logan Intl

3h 22m

ORD7:22 pmChicago O'Hare Intl

Oct 17

ORD9:38 amChicago O'Hare Intl

2h 28m

BOS1:06 pmBoston Logan Intl

$163

JetBlue

Sep 1

BOS8:15 amBoston Logan Intl

2h 56m

ORD10:11 amChicago O'Hare Intl

Sep 4

ORD8:20 pmChicago O'Hare Intl

2h 56m

BOS12:16 amBoston Logan Intl

$179

JetBlue

Sep 25

BOS5:00 pmBoston Logan Intl

3h 01m

ORD7:01 pmChicago O'Hare Intl

Oct 1

ORD8:24 pmChicago O'Hare Intl

2h 45m

BOS12:09 amBoston Logan Intl

$184

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Thu 10/1

11:17 am-10:59 pm

1 stop12h 42m

Chicago O'Hare Intl

Mon 10/5

8:24 pm-12:23 am

Nonstop2h 59m

$162

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Wed 10/21

6:55 am-8:46 am

Nonstop2h 51m

Chicago O'Hare Intl

Sat 10/24

8:24 pm-11:58 pm

Nonstop2h 34m

$163

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Sat 9/5

11:00 am-12:54 pm

Nonstop2h 54m

Chicago O'Hare Intl

Sat 9/12

8:24 pm-12:09 am

Nonstop2h 45m

$163

Quickest round-trip

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Tue 9/29

7:55 am-9:51 am

Nonstop2h 56m

Chicago O'Hare Intl

Wed 9/30

6:10 am-9:33 am

Nonstop2h 23m

$165

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Mon 9/7

7:05 am-9:04 am

Nonstop2h 59m

Chicago O'Hare Intl

Mon 9/14

7:55 pm-11:30 pm

Nonstop2h 35m

$165

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Thu 9/10

7:17 pm-9:35 pm

Nonstop3h 18m

Chicago O'Hare Intl

Mon 9/14

6:00 am-9:39 am

Nonstop2h 39m

$165

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Thu 9/3

7:10 am-9:16 am

Nonstop3h 06m

Chicago O'Hare Intl

Sat 9/5

3:01 pm-6:41 pm

Nonstop2h 40m

$165

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Tue 9/1

4:16 pm-6:20 pm

Nonstop3h 04m

Chicago O'Hare Intl

Wed 9/2

10:30 am-1:59 pm

Nonstop2h 29m

$165

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Wed 9/30

8:50 pm-10:32 pm

Nonstop2h 42m

Chicago O'Hare Intl

Tue 10/6

7:10 pm-10:53 pm

Nonstop2h 43m

$165

BostonChicago

BOS Boston Logan Intl - ORD Chicago O'Hare Intl

BOSORD

Boston Logan Intl

Thu 9/17

5:00 pm-7:01 pm

Nonstop3h 01m

Chicago O'Hare Intl

Sat 9/19

3:50 pm-10:58 am

1 stop18h 08m

$166

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 United States 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 United States is in January. Flight prices, which tend to average around $258, 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 $271.

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

The cheapest day to depart from United States to Illinois is on a Wednesday when prices can be found for as low as $402. Flights from United States to Illinois on a Sunday will generally be more expensive and average around $501. 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 United States to Illinois during this time can be as low as $356. Flights at noon are often more expensive with an average ticket price of $515.

What is the cheapest United States to Illinois flight route?

Fly from Newark to Chicago Midway for the best United States - 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 United States 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 United States for as low as $174 on momondo.

What cabin class options are available on United States to Illinois flights?

There are 4 cabin classes available to choose from on United States 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 United States to Illinois flights?

No. A direct flight is the cheapest option for a flight between United States to Illinois.

Cheap United States to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Illinois

Best Price Found	$39
Fastest flight time	0h 45m
Direct flights	Every day
Airports in Illinois	98 airports

The best one-way flight to Illinois from United States in the past 72 hours is $39. The best round-trip flight deal from United States to Illinois found on momondo in the last 72 hours is $70.

The fastest flight from United States to Illinois takes 0h 45m

Direct flights go from United States to Illinois every day.

There are 98 airports in Illinois. From United States there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from the United States to Illinois

When did momondo last update prices for flights from United States to Illinois?
Prices for flights from United States to Illinois refresh daily.
How many operators does momondo search for flights from United States to Illinois?
As of August 2026, there are 8 operators available to choose from for flights from United States to Illinois.
How old do you have to be to fly from United States to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from United States to Illinois?
Based on momondo bookings for flights between United States and Illinois, the leading plane model is Boeing 737-800, making up 22.42% of the total bookings. Other popular models include Airbus A321neo with 14.05%, Boeing 737-900 with 10.52%, and Boeing 737 MAX 8 with 7.48%.

Best airlines flying from United States to Illinois

Compare and see reviews for airlines that fly from United States to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $44	Free Cancellation	Rating 5.6 2,701 reviews	Search Frontier flights
JetBlue	PriceFrom $69	Free Cancellation	Rating 7.1 3,035 reviews	Search JetBlue flights
Delta	PriceFrom $74	Free Cancellation	Rating 7.8 8,506 reviews	Search Delta flights
Allegiant Air	PriceFrom $110	Free Cancellation	Rating 7.3 679 reviews	Search Allegiant Air flights
United Airlines	PriceFrom $126	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
Breeze Airways	PriceFrom $128	Free Cancellation	Rating 8.2 305 reviews	Search Breeze Airways flights
Southwest	PriceFrom $135	Free Cancellation	Rating 8.0 4,220 reviews	Search Southwest flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.1 11,910 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $195	Free Cancellation	Rating 7.9 12,797 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from United States.

Can I find flights from United States to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Illinois from United States are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Illinois trip

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Popular cities in Illinois

Flights to New Yorkfrom $82

Flights to Los Angelesfrom $50

Flights to Orlandofrom $46

Flights to Miamifrom $79

Flights to San Franciscofrom $46

Flights to Chicagofrom $56

Flights to Las Vegasfrom $59

Flights to Washington, D.C.from $74

Flights to Bostonfrom $72

Flights to Atlantafrom $51

Flights to Fort Lauderdalefrom $56

Flights to Dallasfrom $63

Cheap flights from the United States to Illinois from $89

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from the United States to Illinois departing on 9/5. 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 the United States to Illinois

Recent round-trip flight deals from the United States to Illinois

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Recent direct flight deals from the United States to Illinois

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Big names and deals

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Alaska Airlines flights from United States to Illinois

Our best Alaska Airlines deals on United States to Illinois flight tickets

JetBlue flights from United States to Illinois

Our best JetBlue deals on United States to Illinois flight tickets

momondo Fare Finder

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

See travel insights to Illinois from

How to get the cheapest flight ticket from United States 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 United States to Illinois flight route?

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

What cabin class options are available on United States to Illinois flights?

Can stopping save me money on United States to Illinois flights?

What is the cheapest airline that flies from United States to Illinois?

What airlines fly to Illinois?

How many flights depart from United States to Illinois on average per day?

How many flights depart from United States to Illinois on average per week?

How long is the flight from United States to Illinois?

Cheap United States to Illinois flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

Frequently asked questions about flying from the United States to Illinois

Best airlines flying from United States to Illinois

Compare and see reviews for airlines that fly from United States 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

United States 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

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