What is the average price for a flight to Illinois with American Airlines?

The typical American Airlines fare to Illinois is about $459 for a one-way ticket.

Does American Airlines usually have the lowest fares for flights to Illinois?

Allegiant Air frequently offers the lowest average return price for flights to Illinois, but fares can vary between airlines and dates. We recommend comparing all available options on KAYAK before booking your flight.

What other airlines fly to Illinois besides American Airlines?

In addition to American Airlines, airlines such as United Airlines, Southwest and Frontier also operate flights to Illinois. Check KAYAK to compare fares from these and other carriers.

American Airlines flights to Illinois (USIL) from $59

Flight Deals

Cheap American Airlines Flight Deals to Illinois

Here are some of the best deals found on KAYAK recently from American Airlines to Illinois that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

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

Tue, Dec 9 - Tue, Dec 9

7:00 am - 9:32 amBOS-ORD

3h 32mnonstop

8:40 pm - 12:13 amORD-BOS

2h 33mnonstop

$117American Airlines

Find Deal

Thu, Jan 8 - Sun, Jan 11

8:00 pm - 10:18 pmDFW-ORD

2h 18mnonstop

5:05 am - 7:47 amORD-DFW

2h 42mnonstop

$117American Airlines

Find Deal

Thu, Jan 8 - Mon, Jan 12

8:00 pm - 10:18 pmDFW-ORD

2h 18mnonstop

5:05 am - 7:47 amORD-DFW

2h 42mnonstop

$118American Airlines

Find Deal

Thu, Jan 8 - Mon, Jan 12

6:15 am - 8:38 amDFW-ORD

2h 23mnonstop

5:05 am - 7:47 amORD-DFW

2h 42mnonstop

$119American Airlines

Find Deal

Fri, Dec 5 - Tue, Dec 9

7:01 pm - 9:14 pmBOS-ORD

3h 13mnonstop

1:17 pm - 4:52 pmORD-BOS

2h 35mnonstop

$122American Airlines

Find Deal

Thu, Jan 1 - Mon, Jan 5

6:36 am - 8:47 amBOS-ORD

3h 11mnonstop

8:20 pm - 11:51 pmORD-BOS

2h 31mnonstop

$125American Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

7:01 pm - 9:14 pmBOS-ORD

3h 13mnonstop

6:10 am - 9:35 amORD-BOS

2h 25mnonstop

$127American Airlines

Find Deal

Sun, Dec 14 - Thu, Dec 18

6:00 am - 8:17 amBOS-ORD

3h 17mnonstop

8:20 pm - 11:51 pmORD-BOS

2h 31mnonstop

$129American Airlines

Find Deal

Thu, Dec 11 - Tue, Jan 6

7:00 am - 9:32 amBOS-ORD

3h 32mnonstop

7:00 am - 10:23 amORD-BOS

2h 23mnonstop

$132American Airlines

Find Deal

Tue, Mar 3 - Tue, Mar 3

11:59 am - 1:58 pmJFK-ORD

2h 59mnonstop

4:25 pm - 7:45 pmORD-JFK

2h 20mnonstop

$134American Airlines

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$59
Average price round-trip	$436
Good deal one-way	$1,710

Best time to beat the crowds with an average 13% drop in price.

Most popular time to fly and prices are also 4% lower on average.

Flight from Dallas/Fort Worth Airport to Chicago O'Hare Airport

(avg. price over the last 2 weeks)

or less

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

Prices

Based on KAYAK data, the cheapest day to fly to Illinois is Friday where round-trip tickets can be as cheap as $381. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $602 on average.

What is the cheapest month to fly from the United States to Illinois?

The cheapest month for flights from the United States to Illinois is May, when tickets cost $196 (return) on average. On the other hand, the most expensive months are March and June, when the average cost of round-trip tickets is $353 and $262 respectively.

How far in advance should I book a flight from the United States to Illinois?

To get a below average price on the flight from the United States to Illinois, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

Find deals

What is the average price for a flight to Illinois with American Airlines?
The typical American Airlines fare to Illinois is about $459 for a one-way ticket.
Does American Airlines usually have the lowest fares for flights to Illinois?
Allegiant Air frequently offers the lowest average return price for flights to Illinois, but fares can vary between airlines and dates. We recommend comparing all available options on KAYAK before booking your flight.
What other airlines fly to Illinois besides American Airlines?
In addition to American Airlines, airlines such as United Airlines, Southwest and Frontier also operate flights to Illinois. Check KAYAK to compare fares from these and other carriers.

7.2

Good10,000 verified ratings

8.0Crew

7.2Comfort

6.9Entertainment

7.5Boarding

6.4Food

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Cons -

Time to start offering complimentary wifi in first class (in 135 reviews)

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6.0 Okay

Lynn, Nov 2025

Entertainment could have been better.

2.0 Poor

Anonymous, Nov 2025

Qantas lost my baggage

10.0 Wonderful

Rebecca Jane, Nov 2025

Staff were kind and lovely. Food was lovely.

2.0 Poor

linda, Nov 2025

Bird strike caused return to PHL for plane changes

8.0 Very good

Michael, Nov 2025

No upgrade

8.0 Very good

Jim, Nov 2025

More choices on snacks. Built-in video screen to enjoy entertainment choices.

8.0 Very good

Jim, Nov 2025

Better snacks. More movie choices.

10.0 Wonderful

Karen, Nov 2025

Great!

6.0 Okay

Anonymous, Nov 2025

we landed at cmh ten minutes early but had to sit on tarmac for twenty minutes because a plane was at our gate despite the fact that 3 other gates were open.

6.0 Okay

Anonymous, Nov 2025

flight was good until we arrived at cmh ten minutes early but then sat on tarmac for twenty minutes because a plane was at our gate, so we had to wait despite the pilot tellling us that 3 other gates were open.

Everything you need to know for your flight to Illinois

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Find cheap American Airlines flights to Illinois from $59

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Cheap American Airlines Flight Deals to Illinois

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

Recent one-way American Airlines flight deals from the United States to Illinois

Recent last minute American Airlines flight deals from the United States to Illinois

Recent direct American Airlines flight deals from the United States to Illinois

Good to know

KAYAK's insights & trends for flights to Illinois

Get data-powered insights and trends for flights to Illinois to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest day to fly to Illinois?

Based on KAYAK data, the cheapest day to fly to Illinois is Friday where round-trip tickets can be as cheap as $381. On the other hand, the most expensive day to fly is Sunday, where round-trip prices are $602 on average.

What is the cheapest month to fly from the United States to Illinois?

The cheapest month for flights from the United States to Illinois is May, when tickets cost $196 (return) on average. On the other hand, the most expensive months are March and June, when the average cost of round-trip tickets is $353 and $262 respectively.

How far in advance should I book a flight from the United States to Illinois?

To get a below average price on the flight from the United States to Illinois, you should book around 4 weeks before departure, which saves you about 45% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 7 weeks before departure.

How many airports are there in Illinois?

There are 6 airports in Illinois. The busiest airport is Chicago O'Hare Airport (ORD), with 94% of all flights arriving there.

How long is the flight to Illinois?

An average nonstop flight from the United States to Illinois takes 2h 46m, covering a distance of 965 miles. The shortest route is Minneapolis (MSP) to Chicago O'Hare Intl Airport (ORD) with an average flight time of 1h 24m.

How many direct flights to Illinois are there each day?

There are around 706 direct flights from within United States to Illinois every day. Most flights (49%) depart in the morning.

How many direct flights to Illinois are there each week?

Each week there are around 4,938 direct flights from within United States to Illinois. The most common day for departures is Sunday, with 17% of flights taking off on this day.

How many long-haul flights are there to Illinois each week?

Each week there are around 7 long-haul flights (6-12 hour flight duration), 210 medium-haul (3-6 hour flight duration) and 4,721 short-haul (up to 3 hour flight duration) flights to Illinois. The most long-haul flights depart from Honolulu.

How many cities have direct flights to Illinois?

From the United States, there are direct flights to Illinois from 114 cities. The city with the most direct flights is Dallas, with 236 direct flights each week.

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 destination is St. Louis (7%).

FAQs for flying to Illinois with American Airlines

What is the average price for a flight to Illinois with American Airlines?

Does American Airlines usually have the lowest fares for flights to Illinois?

What other airlines fly to Illinois besides American Airlines?

American Airlines customer reviews

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Everything you need to know for your flight to Illinois

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