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

As of April 2025, 447 flights take off from United States and land in Chicago each day. The most common flight departure time for this route is 7:00AM, with 42% of daily flights taking off at noon.

What airlines fly to Chicago?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago from United States according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 11 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

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

Spirit Airlines, Frontier, and Delta are the most popular carriers operating from United States to Chicago

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

As of April 2025, 3,129 flights take off from United States and land in Chicago each week. The most common flight departure day for this route is Thu, with 18% of weekly flights taking off on this day.

How long does it take to fly to Chicago?

Average flight duration from United States to Chicago depends on which airport you fly into and out of. Flying from New York to Chicago O'Hare Intl Airport is 2h 39m on average, while flying from Boston to Chicago O'Hare Intl Airport is 2h 48m on average. Chicago O'Hare Intl Airport is the most popular airport in Chicago.

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

Prices for flights from United States to Chicago are updated daily.

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

The number of operators available for flights from United States to Chicago is 12 as of April 2025.

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Chicago.

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

The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$37 Cheap Flights from the United States to Chicago in 2025

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Find the cheapest flights from the United States to Chicago

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One-way

Last minute

Direct

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

KAYAK's recommended round-trip deals from the most popular airlines that fly from the United States to Chicago.

12:41 am - 6:42 amLAX-ORD

4h 01mnonstop

8:37 am - 11:08 amORD-LAX

4h 31mnonstop

$60Spirit Airlines

Find Deal

Mon, May 12 - Tue, May 20

12:41 am - 6:42 amLAX-ORD

4h 01mnonstop

6:59 pm - 9:30 pmORD-LAX

4h 31mnonstop

$70Spirit Airlines

Find Deal

Mon, May 12 - Tue, May 13

5:10 am - 7:45 amDFW-ORD

2h 35mnonstop

7:00 am - 9:56 amORD-DFW

2h 56mnonstop

$77Frontier

Find Deal

Mon, May 12 - Thu, May 15

9:29 am - 12:02 pmDFW-ORD

2h 33mnonstop

5:45 am - 8:34 amORD-DFW

2h 49mnonstop

$79Frontier

Find Deal

Sun, May 11 - Sun, May 18

5:15 am - 7:15 amBOS-ORD

3h 00mnonstop

1:22 pm - 4:48 pmORD-BOS

2h 26mnonstop

$118American Airlines

Find Deal

Thu, May 8 - Tue, May 13

5:30 am - 11:50 amBOS-ORD

7h 20m1 stop

1:50 pm - 9:05 pmORD-BOS

6h 15m1 stop

$136Southwest

Find Deal

Fri, May 2 - Wed, May 7

5:50 am - 1:05 pmBOS-ORD

8h 15m1 stop

4:00 pm - 11:55 pmORD-BOS

6h 55m1 stop

$142Southwest

Find Deal

Mon, Jun 9 - Wed, Jun 11

5:00 am - 6:54 amBOS-ORD

2h 54mnonstop

7:15 am - 10:40 amORD-BOS

2h 25mnonstop

$147American Airlines

Find Deal

Fri, Jun 13 - Sun, Jun 15

5:35 pm - 8:07 pmDFW-ORD

2h 32mnonstop

1:11 pm - 3:58 pmORD-DFW

2h 47mnonstop

$147United Airlines

Find Deal

Sat, May 10 - Tue, May 13

5:30 am - 9:44 amBOS-ORD

5h 14m1 stop

9:20 pm - 12:45 amORD-BOS

2h 25mnonstop

$157United Airlines

Find Deal

Thu, May 1 - Thu, May 8

Spirit Airlines flights from United States to Chicago

Our best Spirit Airlines deals on United States to Chicago flight tickets

Spirit Airlines

May 12

LAX12:41 amLos Angeles

4h 01m

ORD6:42 amChicago O'Hare Intl

May 20

ORD8:37 amChicago O'Hare Intl

4h 31m

LAX11:08 amLos Angeles

$60

Find similar

Spirit Airlines

May 12

LAX12:41 amLos Angeles

4h 01m

ORD6:42 amChicago O'Hare Intl

May 13

ORD6:59 pmChicago O'Hare Intl

4h 31m

LAX9:30 pmLos Angeles

$70

Find similar

Spirit Airlines

May 10

LAX12:41 amLos Angeles

4h 01m

ORD6:42 amChicago O'Hare Intl

May 20

ORD8:37 amChicago O'Hare Intl

4h 31m

LAX11:08 amLos Angeles

$73

Find similar

United Airlines flights from United States to Chicago

Our best United Airlines deals on United States to Chicago flight tickets

United Airlines

May 10

DFW5:35 pmDallas/Fort Worth

2h 32m

ORD8:07 pmChicago O'Hare Intl

May 13

ORD1:11 pmChicago O'Hare Intl

2h 47m

DFW3:58 pmDallas/Fort Worth

$147

Find similar

United Airlines

May 1

BOS5:30 amBoston Logan Intl

5h 14m

1 stop

ORD9:44 amChicago O'Hare Intl

May 8

ORD9:20 pmChicago O'Hare Intl

2h 25m

BOS12:45 amBoston Logan Intl

$157

Find similar

United Airlines

Apr 27

BOS6:00 amBoston Logan Intl

2h 57m

ORD7:57 amChicago O'Hare Intl

Apr 30

ORD11:15 amChicago O'Hare Intl

5h 09m

1 stop

BOS5:24 pmBoston Logan Intl

$177

Find similar

How to get the cheapest flight ticket from United States to Chicago

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 Chicago?

The month of September is, on average, the cheapest month to fly to Chicago from United States, with most prices found around $176. If you’re not able to fly to Chicago in September, then January is your next best option. Flight prices from United States to Chicago during January average around $179.

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

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as $291. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from United States to Chicago for around $376.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the evening. Flights from United States to Chicago during this time can be as low as $236. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $341.

What is the cheapest United States to Chicago flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl for the best United States - Chicago flight prices

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

You are more likely to see cheaper flights to Chicago from United States when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $243 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from United States for as low as $201 on momondo.

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

There are 4 cabin classes available to choose from on United States to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap United States to Chicago flight deals and tips

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

Best Price Found	$37
Fastest flight time	2h 19m
Direct flights	Every day
Airports in Chicago	1 airport

The best one-way flight to Chicago from United States in the past 72 hours is $37. The best round-trip flight deal from United States to Chicago found on momondo in the last 72 hours is $60.

The fastest flight from United States to Chicago takes 2h 19m

Direct flights go from United States to Chicago every day.

There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)

Search flight deals

When did momondo last update prices for flights from United States to Chicago?
Prices for flights from United States to Chicago are updated daily.
How many operators does momondo search for flights from United States to Chicago?
The number of operators available for flights from United States to Chicago is 12 as of April 2025.
How old do you have to be to fly from United States to Chicago?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from United States to Chicago.
What documentation or ID do you need to fly to Chicago?
The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from United States to Chicago?
Based on momondo bookings for flights between United States and Chicago, the leading plane model is Boeing 737-800, making up 20.45% of the total bookings. Other popular models include Airbus A320neo with 10.87%, Boeing 737 MAX 8 with 9.90%, and Airbus A321neo with 8.62%.

Best airlines flying from United States to Chicago

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

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $39	Free Cancellation	Rating 6.3 7,926 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $49	Free Cancellation	Rating 6.0 3,281 reviews	Search Frontier flights
Allegiant Air	PriceFrom $49	Free Cancellation	Rating 7.3 734 reviews	Search Allegiant Air flights
Delta	PriceFrom $68	Free Cancellation	Rating 8.0 7,916 reviews	Search Delta flights
JetBlue	PriceFrom $84	Free Cancellation	Rating 7.3 2,926 reviews	Search JetBlue flights
United Airlines	PriceFrom $97	Free Cancellation	Rating 7.4 8,667 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $115	Free Cancellation	Rating 8.0 9,887 reviews	Search Alaska Airlines flights
Hawaiian Airlines	PriceFrom $119	Free Cancellation	Rating 7.9 2,380 reviews	Search Hawaiian Airlines flights
Sun Country Air	PriceFrom $130	Free Cancellation	Rating 6.9 349 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $138	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights

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Portage

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Saint Joseph

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Valparaiso

Munster

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Monticello

Chesterton

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Porter

Saint John

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from United States to Chicago for you.

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

Yes. momondo enables you to select and highlight flights to Chicago from United States with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Chicago from United States.

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

Yes momondo offers price alerts on flights to Chicago from United States. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.