How many flights depart from United States to Chicago O'Hare Intl Airport on average per week?

3,799 flights are operational weekly from United States to Chicago O'Hare Intl Airport as of September 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

What is the cheapest airline that flies from United States to Chicago O'Hare Intl?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from United States to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from United States according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 11 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Chicago O'Hare Intl Airport?

On average, it takes 2h 40m to fly from United States to Chicago O'Hare Intl Airport if you fly out of New York (the most popular airport in United States) and into Chicago O'Hare Intl Airport (the most popular airport in Chicago O'Hare Intl Airport). If you’re flying out of Boston and into Chicago O'Hare Intl Airport, then the flight time is around 2h 44m.

How many flights depart from United States to Chicago O'Hare Intl Airport on average per day?

The number of flights available between United States and Chicago O'Hare Intl Airport is 542 per day as of September 2025. The most frequent departure time is 7:00AM, with 47% of daily flights leaving at noon.

How many operators does momondo search for flights from United States to Chicago O'Hare Intl Airport?

There are 11 operators available for flights from United States to Chicago O'Hare Intl Airport as of September 2025.

How old do you have to be to fly from United States to Chicago O'Hare Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The necessary travel and health documents for your Chicago O'Hare Intl Airport 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.

$57 Cheap Flights from United States to Chicago O'Hare Intl Airport in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from the United States to Chicago

Round-trip

One-way

Last minute

Direct

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

9:59 pm - 11:20 pmBWI-ORD

2h 21mnonstop

11:45 am - 7:07 pmORD-BWI

6h 22m1 stop

$105Frontier

Find Deal

Mon, Sep 29 - Tue, Sep 30

4:02 pm - 5:18 pmBWI-ORD

2h 16mnonstop

12:11 pm - 3:14 pmORD-BWI

2h 03mnonstop

$106Frontier

Find Deal

Fri, Nov 14 - Sun, Nov 16

9:57 am - 11:10 amBWI-ORD

2h 13mnonstop

6:10 am - 9:02 amORD-BWI

1h 52mnonstop

$113Spirit Airlines

Find Deal

Sun, Sep 28 - Thu, Oct 2

9:05 am - 11:33 amDFW-ORD

2h 28mnonstop

11:55 am - 12:10 amORD-DFW

12h 15m1 stop

$115Spirit Airlines

Find Deal

Thu, Oct 23 - Mon, Oct 27

6:25 am - 8:02 amLGA-ORD

2h 37mnonstop

6:30 pm - 9:54 pmORD-LGA

2h 24mnonstop

$137United Airlines

Find Deal

Tue, Oct 7 - Tue, Oct 7

11:00 am - 12:40 pmJFK-ORD

2h 40mnonstop

1:43 pm - 5:05 pmORD-JFK

2h 22mnonstop

$138American Airlines

Find Deal

Tue, Oct 7 - Wed, Oct 8

5:07 pm - 6:35 pmPHL-ORD

2h 28mnonstop

7:25 am - 10:24 amORD-PHL

1h 59mnonstop

$139United Airlines

Find Deal

Sat, Nov 1 - Tue, Nov 4

9:29 am - 11:08 amLGA-ORD

2h 39mnonstop

8:25 pm - 11:29 pmORD-LGA

2h 04mnonstop

$148American Airlines

Find Deal

Sat, Nov 1 - Sun, Nov 2

8:00 am - 9:56 amJFK-ORD

2h 56mnonstop

7:00 am - 10:25 amORD-JFK

2h 25mnonstop

$158Delta

Find Deal

Tue, Oct 21 - Thu, Oct 23

8:00 am - 9:56 amJFK-ORD

2h 56mnonstop

7:00 am - 10:25 amORD-JFK

2h 25mnonstop

$159Delta

Find Deal

Thu, Oct 23 - Mon, Oct 27

Delta flights from United States to Chicago O'Hare Intl Airport

Our best Delta deals on United States to Chicago O'Hare Intl Airport flight tickets

Delta

Oct 21

JFK8:00 amNew York John F Kennedy Intl

2h 56m

ORD9:56 amChicago O'Hare Intl

Oct 23

ORD7:00 amChicago O'Hare Intl

2h 25m

JFK10:25 amNew York John F Kennedy Intl

$158

Find similar

Delta

Oct 23

JFK8:00 amNew York John F Kennedy Intl

2h 56m

ORD9:56 amChicago O'Hare Intl

Oct 27

ORD7:00 amChicago O'Hare Intl

2h 25m

JFK10:25 amNew York John F Kennedy Intl

$159

Find similar

Delta

Oct 7

LGA4:36 pmNew York LaGuardia

2h 47m

ORD6:23 pmChicago O'Hare Intl

Oct 10

ORD8:25 pmChicago O'Hare Intl

2h 19m

LGA11:44 pmNew York LaGuardia

$172

Find similar

American Airlines flights from United States to Chicago O'Hare Intl Airport

Our best American Airlines deals on United States to Chicago O'Hare Intl Airport flight tickets

American Airlines

Oct 7

JFK11:00 amNew York John F Kennedy Intl

2h 40m

ORD12:40 pmChicago O'Hare Intl

Oct 8

ORD1:43 pmChicago O'Hare Intl

2h 22m

JFK5:05 pmNew York John F Kennedy Intl

$138

Find similar

American Airlines

Sep 30

JFK11:00 amNew York John F Kennedy Intl

2h 41m

ORD12:41 pmChicago O'Hare Intl

Oct 8

ORD1:43 pmChicago O'Hare Intl

2h 22m

JFK5:05 pmNew York John F Kennedy Intl

$142

Find similar

American Airlines

Nov 1

LGA9:29 amNew York LaGuardia

2h 39m

ORD11:08 amChicago O'Hare Intl

Nov 2

ORD8:25 pmChicago O'Hare Intl

2h 04m

LGA11:29 pmNew York LaGuardia

$148

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 9/29

9:59 pm-11:20 pm

Nonstop2h 21m

Chicago O'Hare Intl

Tue 9/30

11:45 am-7:07 pm

1 stop6h 22m

$105

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 11/14

4:02 pm-5:18 pm

Nonstop2h 16m

Chicago O'Hare Intl

Sun 11/16

12:11 pm-3:14 pm

Nonstop2h 03m

$106

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sun 9/28

9:57 am-11:10 am

Nonstop2h 13m

Chicago O'Hare Intl

Thu 10/2

6:10 am-9:02 am

Nonstop1h 52m

$113

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 10/23

9:05 am-11:33 am

Nonstop2h 28m

Chicago O'Hare Intl

Mon 10/27

11:55 am-12:10 am

1 stop12h 15m

$115

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 10/7

6:25 am-8:02 am

Nonstop2h 37m

Chicago O'Hare Intl

Tue 10/7

6:30 pm-9:54 pm

Nonstop2h 24m

$137

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Tue 10/7

11:00 am-12:40 pm

Nonstop2h 40m

Chicago O'Hare Intl

Wed 10/8

1:43 pm-5:05 pm

Nonstop2h 22m

$138

PhiladelphiaChicago

PHL - ORD

PHLORD

Philadelphia

Sat 11/1

5:07 pm-6:35 pm

Nonstop2h 28m

Chicago O'Hare Intl

Tue 11/4

7:25 am-10:24 am

Nonstop1h 59m

$139

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 11/1

9:29 am-11:08 am

Nonstop2h 39m

Chicago O'Hare Intl

Sun 11/2

8:25 pm-11:29 pm

Nonstop2h 04m

$148

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Tue 10/21

8:00 am-9:56 am

Nonstop2h 56m

Chicago O'Hare Intl

Thu 10/23

7:00 am-10:25 am

Nonstop2h 25m

$158

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Thu 10/23

8:00 am-9:56 am

Nonstop2h 56m

Chicago O'Hare Intl

Mon 10/27

7:00 am-10:25 am

Nonstop2h 25m

$159

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 Chicago O'Hare Intl Airport

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 O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from United States averaging around $217.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $296. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $388.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $261 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $369. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $252 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from United States for as low as $200 on momondo.

What cabin class options are available on United States to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on United States to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between United States to Chicago O'Hare Intl Airport.

Cheap United States to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Chicago O'Hare Intl Airport

Best Price Found	$61
Fastest flight time	2h 02m
Direct flights	Every day

The best one-way flight to Chicago O'Hare Intl Airport from United States in the past 72 hours is $61. The best round-trip flight deal from United States to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $88.

The fastest flight from United States to Chicago O'Hare Intl Airport takes 2h 02m

Direct flights go from United States to Chicago O'Hare Intl Airport every day.

Search flight deals

When did momondo last update prices for flights from United States to Chicago O'Hare Intl Airport?
Prices for flights from United States to Chicago O'Hare Intl Airport refresh daily.
How many operators does momondo search for flights from United States to Chicago O'Hare Intl Airport?
There are 11 operators available for flights from United States to Chicago O'Hare Intl Airport as of September 2025.
How old do you have to be to fly from United States to Chicago O'Hare Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from United States to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The necessary travel and health documents for your Chicago O'Hare Intl Airport 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 O'Hare Intl Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from United States to Chicago O'Hare Intl Airport is Boeing 737-800 (23.74% of total bookings). The next most popular plane models are Boeing 737-900 (10.24%), Airbus A321neo (8.27%), and Boeing 737 MAX 8 (7.44%).

Best airlines flying from United States to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from United States to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $38	Free Cancellation	Rating 6.3 8,019 reviews	Search Spirit Airlines flights
Frontier	PriceFrom $58	Free Cancellation	Rating 5.8 3,174 reviews	Search Frontier flights
JetBlue	PriceFrom $81	Free Cancellation	Rating 7.2 2,914 reviews	Search JetBlue flights
Delta	PriceFrom $98	Free Cancellation	Rating 7.9 7,957 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,724 reviews	Search Hawaiian Airlines flights
Sun Country Air	PriceFrom $130	Free Cancellation	Rating 6.9 330 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $137	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $137	Free Cancellation	Rating 7.4 8,924 reviews	Search United Airlines flights
Southwest	PriceFrom $152	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $196	Free Cancellation	Rating 8.0 10,000 reviews	Search Alaska Airlines flights

Lake Geneva

South Haven

Rockford

Schaumburg

Merrillville

Gurnee

Naperville

Rosemont

Kenosha

New Buffalo

Joliet

Oak Brook

Racine

Hammond

Orland Park

Tinley Park

Elgin

Aurora

Janesville

Benton Harbor

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?

Flights from United States to Chicago 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 United States to Chicago?

Once you have performed a search for United States to Chicago flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from United States and alert you when they change.

An easier way to manage your Chicago O'Hare Intl Airport 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.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Thu 10/16

Thu 10/23

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago

Popular cities in the United States

Flights to Dallas/Fort Worth Airportfrom $68

Flights to New York John F Kennedy Intl Airportfrom $60

Flights to Newark Airportfrom $53

Flights to New York LaGuardia Airportfrom $49

Flights to Washington, D.C. Dulles Intl Airportfrom $59

Flights to Washington, D.C. Reagan-National Airportfrom $99

Flights to Orlando Airportfrom $53

Flights to Chicago Midway Airport

Flights to Dallas Love Field Airport

United States flight routes

Flights from Grand Rapids Gerald R. Ford Intl to Raleigh-Durham

Flights from Myrtle Beach Intl to Trenton-Mercer

Flights from Las Vegas Harry Reid Intl to Salt Lake City

Flights from Las Vegas Harry Reid Intl to Santa Ana J. Wayne/Orange Cnty

Flights from Las Vegas Harry Reid Intl to Oakland

Flights from Detroit Metropolitan Wayne County to Wilmington New Hanover County

Cheap flights from the United States to Chicago from $61

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 Chicago departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Find the cheapest flights from the United States to Chicago

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

Recent one-way flight deals from the United States to Chicago

Recent last minute flight deals from the United States to Chicago

Recent direct flight deals from the United States to Chicago

Delta flights from United States to Chicago O'Hare Intl Airport

Our best Delta deals on United States to Chicago O'Hare Intl Airport flight tickets

American Airlines flights from United States to Chicago O'Hare Intl Airport

Our best American Airlines deals on United States to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from the United States to Chicago O'Hare Intl Airport that are best for you.

See travel insights to Chicago from

How to get the cheapest flight ticket from United States to Chicago O'Hare Intl Airport

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

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of February is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from United States averaging around $217.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

What is the cheapest United States to Chicago O'Hare Intl flight route?

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

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

What cabin class options are available on United States to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on United States to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport flights?

No. A direct flight is the cheapest option for a flight between United States to Chicago O'Hare Intl Airport.

What is the cheapest airline that flies from United States to Chicago O'Hare Intl?

Frontier, Spirit Airlines, and American Airlines are the most popular carriers operating from United States to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

How many flights depart from United States to Chicago O'Hare Intl Airport on average per day?

The number of flights available between United States and Chicago O'Hare Intl Airport is 542 per day as of September 2025. The most frequent departure time is 7:00AM, with 47% of daily flights leaving at noon.

How many flights depart from United States to Chicago O'Hare Intl Airport on average per week?

3,799 flights are operational weekly from United States to Chicago O'Hare Intl Airport as of September 2025. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

How long does it take to fly to Chicago O'Hare Intl Airport?

Cheap United States to Chicago O'Hare Intl Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Chicago O'Hare Intl Airport

Best Price Found

Fastest flight time

Direct flights

When did momondo last update prices for flights from United States to Chicago O'Hare Intl Airport?

How many operators does momondo search for flights from United States to Chicago O'Hare Intl Airport?

How old do you have to be to fly from United States to Chicago O'Hare Intl Airport?

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

What is the most popular plane model from United States to Chicago O'Hare Intl Airport?

Best airlines flying from United States to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from United States to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

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

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

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

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

An easier way to manage your Chicago O'Hare Intl Airport 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 Chicago

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo