Cheap Flights to Illinois from $16

Q: How long is the flight to Illinois?

An average nonstop flight from the United States to Illinois takes 3h 10m, covering a distance of 979 miles. The most popular route is Newark - Chicago with an average flight time of 2h 26m.

Q: What is the cheapest flight to Illinois?

The cheapest ticket to Illinois from the United States found in the last 72 hours was $26. The most popular route is Newark to Chicago O'Hare Intl and the cheapest airline ticket found on this route in the last 72 hours was $43.

Q: Which airlines fly to Illinois?

United Airlines, American Airlines & Southwest fly the most frequently from United States to Illinois. The most popular route is New York to Chicago, and United Airlines, Air Canada and Air New Zealand fly this route the most.

Q: What are the most popular destinations in Illinois?

Based on KAYAK flight searches, the most popular destination is Chicago (93% of total searches to Illinois). The next most popular destinations are Moline (3%) and Peoria (2%). Searches for flights to Bloomington (1%), Springfield (1%) and Champaign (1%) are also popular.

Q: Where do I fly into if I’m visiting Springfield?

Abraham Lincoln Capital Airport (SPI) is the airport serving Springfield, less than 10 mi from the city center. Keep in mind that this airport is served by only three airlines. Those airlines are Allegiant Air, flying from Punta Gorda in Florida; American Eagle, flying from Dallas-Fort Worth; and United Express, flying from Chicago O’Hare.

Q: I’m going to Six Flags Great America. Which airport do I fly into?

If you’re looking for flights to Illinois to visit the Six Flags Great America amusement park, choose Chicago as your final destination. O’Hare International Airport is 32 mi from the park and Midway International is 60 mi from the park. In addition to being the most convenient because of its proximity to the park, O’Hare International is also the airport with the most flight options.

Q: Which airport is best if I’m going to Carbondale, Illinois?

The airport in Illinois with commercial flights that’s closest to Carbondale is Midway International (5h 4m drive from Carbondale). Passengers who prefer a shorter driving distance between the airport and the city can look for flights to airports in neighboring states, e.g., St. Louis Lambert International (STL) in Missouri (2h 10m).

Latest Illinois Flight Deals

Good to know

Low season	January	Best time to beat the crowds with an average 5% drop in price.
High season	February	Most popular time to fly with an average 11% increase in price.
Average price of a round-trip	$325	(avg. price over the last 2 weeks)
Good deal for a round-trip	$89	or less

Top tips for finding cheap flights to Illinois

Looking for cheap airfare to Illinois? 25% of our users found round-trip tickets to Illinois for the following prices or less: From Boston Logan Intl $198, from Atlanta Hartsfield-Jackson $215, from Chicago $435
Book at least 3 weeks before departure in order to get a below-average price.
High season is considered to be June and July. The cheapest month to fly to Illinois is February.
Enter your preferred departure airport and travel dates into the search form above to unlock the latest Illinois flight deals.
When you’re looking for flights to Illinois and you’re not sure which destination to pick, Chicago is perhaps the first city that comes to mind. The city is served by three airports, which makes it the best-known gateway into the Prairie State. If you like to choose airports based on airlines, keep in mind that the Chicago O’Hare International Airport (ORD) is the hub airport for American Airlines and United Airlines.
Midway International Airport (MDW) is the second largest airport in Chicago, and it’s mainly used by Southwest Airlines as a layover airport for dozens of destinations in the United States.
If you’re traveling to more than one destination in Illinois, Central Illinois Regional Airport (BMI) is a good option for those staying close to major cities like Rockford (2h 10m), Chicago (2h 45m), and Springfield (1h 10m) but prefer a smaller airport. Frontier Airlines, Allegiant Air, American Eagle, and Delta Connection are the airlines operating regular flights to Illinois from Orlando, Dallas, Atlanta, and Denver.
For passengers traveling with children and looking to rent a car at an airport in Illinois, keep in mind that local state laws require children under 2 years old to sit in a rear-facing child seat. From ages 4 to 8, children can sit in a forward-facing seat. Children between 8 and 12 years old can use a booster seat.
For passengers traveling with pets, you'll find pet relief areas at both of Chicago's international airports and also at Central Illinois Regional Airport.

*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

FAQs - booking Illinois flights

How long is the flight to Illinois?

What is the cheapest flight to Illinois?

Which airlines fly to Illinois?

What are the most popular destinations in Illinois?

What’s the best airport to fly into Chicago?

The O’Hare International Airport and the Midway International Airport are the two major airports serving Chicago. The first one is 17 mi from the city center and has more flights and amenities. But, if you prefer a less busy airport, consider searching for flights that land at Midway International instead. Being less crowded is not the only advantage of this airport—it’s also closer to downtown Chicago (10 mi). Both airports are served by the famous "L" train. To travel from O’Hare to the city center, take CTA Blue Line, and from Midway, take the CTA Orange Line.

Where do I fly into if I’m visiting Springfield?

I’m going to Six Flags Great America. Which airport do I fly into?

Which airport is best if I’m going to Carbondale, Illinois?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top 5 airlines flying to Illinois

Scores according to KAYAK customer reviews

8.2

JetBlue

Overall score based on 19,204 reviews

8.3

Boarding

8.3

Comfort

8.6

Crew

7.9

Entertainment

7.8

Food

Airline reviews

Book cheap flights to Illinois (Round-trip)

Airports

Origin

Destination

Multiple Airlines

Wed, Aug 12

2h 26m

Wed, Aug 19

2h 39m

$31

Trip: 8 days

Based on null reviews

Spirit Airlines

Thu, Aug 6

2h 03m

Wed, Aug 12

2h 03m

$32

Trip: 7 days

Based on null reviews

Allegiant Air

Wed, Oct 28

2h 18m

Wed, Nov 4

2h 37m

$49

Trip: 8 days

Based on null reviews

Multiple Airlines

Wed, Aug 12

2h 26m

Mon, Aug 17

2h 39m

$32

Trip: 6 days

Based on null reviews

Spirit Airlines

Thu, Jul 30

2h 24m

Mon, Aug 3

2h 36m

$32

Trip: 5 days

Based on null reviews

Multiple Airlines

Wed, Aug 26

2h 36m

Tue, Sep 1

2h 45m

$33

Trip: 7 days

Based on null reviews

Spirit Airlines

Sun, Aug 9

2h 03m

Wed, Aug 12

2h 03m

$33

Trip: 4 days

Based on null reviews

Cape Air

Fri, Aug 7

2h 31m

Sun, Aug 9

2h 11m

$75

Trip: 3 days

Based on null reviews

Spirit Airlines

Sun, Jul 26

2h 24m

Thu, Jul 30

2h 36m

$33

Trip: 5 days

Based on null reviews

Spirit Airlines

Fri, Jul 31

2h 36m

Mon, Aug 3

2h 39m

$34

Trip: 4 days

Based on null reviews

Multiple Airlines

Wed, Aug 12

2h 33m

Mon, Aug 17

12h 20m

$39

Trip: 6 days

Based on null reviews

Spirit Airlines

Fri, Aug 14

2h 03m

Mon, Aug 17

2h 03m

$34

Trip: 4 days

Based on null reviews

Multiple Airlines

Tue, Aug 25

2h 27m

Sat, Sep 5

2h 43m

$40

Trip: 12 days

Based on null reviews

Spirit Airlines

Fri, Jul 31

2h 24m

Mon, Aug 3

2h 36m

$34

Trip: 4 days

Based on null reviews

Delta

Thu, Aug 6

7h 05m

Sat, Aug 22

4h 28m

$121

Trip: 17 days

Based on null reviews

Multiple Airlines

Sat, Aug 1

2h 40m

Sat, Aug 8

6h 53m

$42

Trip: 8 days

Based on null reviews

Spirit Airlines

Fri, Jul 31

2h 36m

Sun, Aug 2

2h 39m

$35

Trip: 3 days

Based on null reviews

JetBlue

Thu, Aug 6

5h 59m

Sat, Aug 8

5h 29m

$134

Trip: 3 days

Based on null reviews

Spirit Airlines

Wed, Aug 12

2h 03m

Sun, Aug 16

2h 03m

$35

Trip: 5 days

Based on null reviews

Multiple Airlines

Sat, Oct 10

2h 32m

Thu, Oct 15

2h 34m

$43

Trip: 6 days

Based on null reviews

Book cheap flights to Illinois (One-way)

Airports

Origin

Destination

Spirit Airlines

Sat, Aug 15

2h 03m

$16

Based on null reviews

Major Airline

Tue, Aug 4

2h 27m

$23

Based on null reviews

Spirit Airlines

Sat, Jul 25

2h 24m

$16

Based on null reviews

Multiple Airlines

Thu, Aug 13

11h 04m

$32

Based on null reviews

Cape Air

Sun, Aug 2

2h 27m

$33

Based on null reviews

Spirit Airlines

Wed, Jul 29

2h 36m

$16

Based on null reviews

Sun Country Air

Sat, Aug 1

2h 35m

$38

Based on null reviews

JetBlue

Sun, Aug 16

8h 00m

$40

Based on null reviews

Spirit Airlines

Sun, Jul 26

2h 03m

$17

Based on null reviews

Allegiant Air

Thu, Oct 8

7h 24m

$42

Based on null reviews

Spirit Airlines

Sun, Jul 26

2h 24m

$17

Based on null reviews

Spirit Airlines

Fri, Jul 31

2h 36m

$17

Based on null reviews

Qantas Airways

Tue, Aug 11

4h 08m

$55

Based on null reviews

Spirit Airlines

Wed, Sep 16

2h 10m

$18

Based on null reviews

Delta

Sat, Aug 22

3h 42m

$59

Based on null reviews

Major Airline

Tue, Aug 25

2h 36m

$30

Based on null reviews

Spirit Airlines

Sat, Jul 25

2h 24m

$18

Based on null reviews

Multiple Airlines

Tue, Aug 11

14h 40m

$32

Based on null reviews

Major Airline

Sun, Jul 26

2h 27m

$31

Based on null reviews

Spirit Airlines

Wed, Jul 29

2h 36m

$18

Based on null reviews

Flights to Illinois

Return flight deals:

Illinois - United States

Cabin classes:

$154

First

$188

Business

$121

Prem Econ

Economy

Browse origins:

Flights »
United States

$118

Alabama

$219

Alaska

$72

Arizona

$133

Arkansas

$32

California

$31

Colorado

$94

Connecticut

$150

District of Columbia

$32

Florida

$32

Georgia

$270

Hawaii

$202

Idaho

$95

Indiana

$70

Iowa

$97

Kansas

$97

Kentucky

$32

Louisiana

$197

Maine

$51

Maryland

$32

Massachusetts

$91

Michigan

$68

Minnesota

$204

Mississippi

$89

Missouri

$141

Montana

$97

Nebraska

$46

Nevada

$197

New Hampshire

$42

New Jersey

$116

New Mexico

$43

New York

$60

North Carolina

$181

North Dakota

$82

Ohio

$107

Oklahoma

$104

Oregon

$42

Pennsylvania

$142

Rhode Island

$85

South Carolina

$190

South Dakota

$63

Tennessee

$26

Texas

$58

Utah

$220

Vermont

$94

Virginia

$97

Washington

$195

West Virginia

$97

Wisconsin

$233

Wyoming

Browse destinations:

$128

Bloomington

$175

Champaign

$26

Chicago

$98

Decatur

$186

Marion

$98

Moline

$114

Peoria

$89

Quincy

$171

Springfield

Prices are per person and are for e–tickets and include all taxes & fees in USD.

We attempt to get accurate prices, however, prices are not guaranteed.

Here's why:

We’re not the seller.
At KAYAK we don’t set the prices, so it’s not possible for us to guarantee what other companies are selling.

We compile tonnes of data for you
Our service lets you quickly and easily compare results from hundreds of travel sites at once. In this sense, KAYAK is a search engine and we can't guarantee prices we find.

Why aren’t prices accurate 100% of the time?
Prices on airline seats, hotel rooms and car rentals can change frequently. Several people may also be trying to buy the same travel option simultaneously. As a result, you may find, on occasion, that certain prices are no longer available.

If you have more questions or if you have a bad price to report to us,
please send us an email and someone from our team will get back to you promptly.

Find cheap flights to Illinois

Latest Illinois Flight Deals

Good to know

Low season

High season

Average price of a round-trip

Good deal for a round-trip

Top tips for finding cheap flights to Illinois

FAQs - booking Illinois flights

How long is the flight to Illinois?

What is the cheapest flight to Illinois?

Which airlines fly to Illinois?

What are the most popular destinations in Illinois?

What’s the best airport to fly into Chicago?

Where do I fly into if I’m visiting Springfield?

I’m going to Six Flags Great America. Which airport do I fly into?

Which airport is best if I’m going to Carbondale, Illinois?

How does KAYAK’s flight Price Forecast tool help me choose the right time to buy?

Top 5 airlines flying to Illinois

Book cheap flights to Illinois (Round-trip)

Book cheap flights to Illinois (One-way)

Flights to Illinois

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