What is the cheapest airline that flies from North America to Chicago?

Frontier, Spirit Airlines, and Delta are the most popular carriers operating from North America to Chicago

What airlines fly to Chicago?

American Airlines, United Airlines and Frontier are the top three most popular airlines that fly to Chicago from North America according to our data. American Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 14 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

How many flights depart from North America to Chicago on average per week?

As of December 2025, 3,022 flights take off from North America and land in Chicago each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

How many flights depart from North America to Chicago on average per day?

As of December 2025, 431 flights take off from North America and land in Chicago each day. The most common flight departure time for this route is 10:00AM, with 41% of daily flights taking off at noon.

When did momondo last update prices for flights from North America to Chicago?

Prices for flights from North America to Chicago were last updated today.

How many operators does momondo search for flights from North America to Chicago?

The number of operators available for flights from North America to Chicago is 11 as of December 2025.

How old do you have to be to fly from North America 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 North America to Chicago.

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

The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$37 Cheap Flights from North America to Chicago in 2025/26

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Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:18 pm - 9:58 pm

DFW

ORD

2h 40mnonstop

3:24 pm - 6:13 pm

ORD

DFW

2h 49mnonstop

$83Frontier

Thu, Feb 19 - Sun, Feb 22

4:29 pm - 6:29 pm

JFK

ORD

3h 00mnonstop

11:55 am - 3:19 pm

ORD

JFK

2h 24mnonstop

$84Frontier

Fri, Jan 30 - Sun, Feb 1

7:30 am - 9:12 am

LGA

ORD

2h 42mnonstop

5:51 pm - 8:59 pm

ORD

LGA

2h 08mnonstop

$84Spirit Airlines

Thu, Feb 19 - Mon, Feb 23

7:18 pm - 9:58 pm

DFW

ORD

2h 40mnonstop

3:24 pm - 6:13 pm

ORD

DFW

2h 49mnonstop

$84Frontier

Fri, Feb 20 - Mon, Feb 23

7:30 am - 9:12 am

LGA

ORD

2h 42mnonstop

5:51 pm - 8:59 pm

ORD

LGA

2h 08mnonstop

$87Spirit Airlines

Tue, Feb 10 - Sun, Feb 15

8:04 am - 2:15 pm

SEA

ORD

4h 11mnonstop

10:27 am - 1:08 pm

ORD

SEA

4h 41mnonstop

$182American Airlines

Tue, Jan 6 - Tue, Jan 13

12:35 pm - 11:14 pm

SEA

ORD

8h 39m1 stop

3:35 pm - 6:14 pm

ORD

SEA

4h 39mnonstop

$183United Airlines

Thu, Jan 8 - Sat, Jan 10

6:00 am - 12:25 pm

SFO

ORD

4h 25mnonstop

9:00 am - 12:10 pm

ORD

SFO

5h 10mnonstop

$269United Airlines

Thu, Jan 1 - Fri, Jan 9

10:45 pm - 9:01 am

SFO

ORD

8h 16m1 stop

2:20 pm - 11:28 pm

ORD

SFO

11h 08m1 stop

$270Delta

Thu, Jan 1 - Tue, Jan 6

1:20 pm - 9:52 pm

SFO

ORD

6h 32m1 stop

2:20 pm - 10:41 pm

ORD

SFO

10h 21m1 stop

$275Delta

Tue, Feb 3 - Fri, Feb 13

Delta flights from North America to Chicago

Our best Delta deals on North America to Chicago flight tickets

Delta

Jan 15

JFK11:20 amNew York John F Kennedy Intl

2h 54m

ORD1:14 pmChicago O'Hare Intl

Jan 18

ORD6:25 pmChicago O'Hare Intl

2h 34m

JFK9:59 pmNew York John F Kennedy Intl

$139

Find similar

Delta

Jan 15

LGA6:05 amNew York LaGuardia

2h 53m

ORD7:58 amChicago O'Hare Intl

Jan 18

ORD7:10 amChicago O'Hare Intl

2h 31m

LGA10:41 amNew York LaGuardia

$140

Find similar

Delta

Dec 17

JFK10:52 amNew York John F Kennedy Intl

2h 51m

ORD12:43 pmChicago O'Hare Intl

Jan 17

ORD2:30 pmChicago O'Hare Intl

2h 34m

JFK6:04 pmNew York John F Kennedy Intl

$144

Find similar

Frontier flights from North America to Chicago

Our best Frontier deals on North America to Chicago flight tickets

Frontier

Feb 19

DFW7:18 pmDallas/Fort Worth

2h 40m

ORD9:58 pmChicago O'Hare Intl

Feb 22

ORD3:24 pmChicago O'Hare Intl

2h 49m

DFW6:13 pmDallas/Fort Worth

$83

Find similar

Frontier

Jan 30

JFK4:29 pmNew York John F Kennedy Intl

3h 00m

ORD6:29 pmChicago O'Hare Intl

Feb 1

ORD11:55 amChicago O'Hare Intl

2h 24m

JFK3:19 pmNew York John F Kennedy Intl

$84

Find similar

Frontier

Feb 20

JFK11:00 amNew York John F Kennedy Intl

2h 57m

ORD12:57 pmChicago O'Hare Intl

Feb 22

ORD6:40 amChicago O'Hare Intl

2h 24m

JFK10:04 amNew York John F Kennedy Intl

$85

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 2/19

7:18 pm-9:58 pm

Nonstop2h 40m

Chicago O'Hare Intl

Sun 2/22

3:24 pm-6:13 pm

Nonstop2h 49m

$83

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Fri 1/30

4:29 pm-6:29 pm

Nonstop3h 00m

Chicago O'Hare Intl

Sun 2/1

11:55 am-3:19 pm

Nonstop2h 24m

$84

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 2/19

7:30 am-9:12 am

Nonstop2h 42m

Chicago O'Hare Intl

Mon 2/23

5:51 pm-8:59 pm

Nonstop2h 08m

$84

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 2/20

7:18 pm-9:58 pm

Nonstop2h 40m

Chicago O'Hare Intl

Mon 2/23

3:24 pm-6:13 pm

Nonstop2h 49m

$84

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 2/10

7:30 am-9:12 am

Nonstop2h 42m

Chicago O'Hare Intl

Sun 2/15

5:51 pm-8:59 pm

Nonstop2h 08m

$87

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Tue 1/6

8:04 am-2:15 pm

Nonstop4h 11m

Chicago O'Hare Intl

Tue 1/13

10:27 am-1:08 pm

Nonstop4h 41m

$182

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Thu 1/8

12:35 pm-11:14 pm

1 stop8h 39m

Chicago O'Hare Intl

Sat 1/10

3:35 pm-6:14 pm

Nonstop4h 39m

$183

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 1/1

6:00 am-12:25 pm

Nonstop4h 25m

Chicago O'Hare Intl

Fri 1/9

9:00 am-12:10 pm

Nonstop5h 10m

$269

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Thu 1/1

10:45 pm-9:01 am

1 stop8h 16m

Chicago O'Hare Intl

Tue 1/6

2:20 pm-11:28 pm

1 stop11h 08m

$270

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 2/3

1:20 pm-9:52 pm

1 stop6h 32m

Chicago O'Hare Intl

Fri 2/13

2:20 pm-10:41 pm

1 stop10h 21m

$275

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How to get the cheapest flight ticket from North America 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 January is, on average, the cheapest month to fly to Chicago from North America, with most prices found around $182. If you’re not able to fly to Chicago in January, then February is your next best option. Flight prices from North America to Chicago during February average around $189.

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 $292. 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 North America to Chicago for around $373.

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 North America to Chicago during this time can be as low as $271. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $367.

What is the cheapest North America to Chicago flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago Midway for the best North America - 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 North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $241 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from North America for as low as $174 on momondo.

What cabin class options are available on North America to Chicago flights?

There are 4 cabin classes available to choose from on North America to Chicago 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 North America to Chicago flights?

No. A direct flight is the cheapest option for a flight between North America to Chicago.

Cheap North America to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North America to Chicago

Best Price Found	$34
Fastest flight time	0h 50m
Direct flights	Every day
Airports in Chicago	2 airports

The best one-way flight to Chicago from North America in the past 72 hours is $34. The best round-trip flight deal from North America to Chicago found on momondo in the last 72 hours is $69.

The fastest flight from North America to Chicago takes 0h 50m

Direct flights go from North America to Chicago every day.

There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)

Search flight deals

When did momondo last update prices for flights from North America to Chicago?
Prices for flights from North America to Chicago were last updated today.
How many operators does momondo search for flights from North America to Chicago?
The number of operators available for flights from North America to Chicago is 11 as of December 2025.
How old do you have to be to fly from North America 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 North America to Chicago.
What documentation or ID do you need to fly to Chicago?
The required travel and health documents for your Chicago trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from North America to Chicago?
momondo data reveals that the most frequently booked plane model on the route from North America to Chicago is Boeing 737-800, representing 20.80% of all bookings. The subsequent popular models are Airbus A321neo at 12.36%, Boeing 737-900 at 9.64%, and Boeing 737 MAX 8 at 8.83%.

Best airlines flying from North America to Chicago

Compare and see reviews for airlines that fly from North America to Chicago with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $55	Free Cancellation	Rating 5.8 3,085 reviews	Search Frontier flights
Spirit Airlines	PriceFrom $58	Free Cancellation	Rating 6.3 8,168 reviews	Search Spirit Airlines flights
JetBlue	PriceFrom $78	Free Cancellation	Rating 7.2 2,899 reviews	Search JetBlue flights
Allegiant Air	PriceFrom $91	Free Cancellation	Rating 7.2 698 reviews	Search Allegiant Air flights
Delta	PriceFrom $101	Free Cancellation	Rating 7.9 8,011 reviews	Search Delta flights
Hawaiian Airlines	PriceFrom $108	Free Cancellation	Rating 7.8 2,818 reviews	Search Hawaiian Airlines flights
Southwest	PriceFrom $117	Free Cancellation	Rating 8.0 4,254 reviews	Search Southwest flights
United Airlines	PriceFrom $118	Free Cancellation	Rating 7.4 9,089 reviews	Search United Airlines flights
Sun Country Air	PriceFrom $130	Free Cancellation	Rating 6.9 334 reviews	Search Sun Country Air flights
American Airlines	PriceFrom $131	Free Cancellation	Rating 7.2 11,045 reviews	Search American Airlines flights

Merrillville

New Buffalo

Hammond

Benton Harbor

Saint Joseph

Portage

Lansing

Schererville

Valparaiso

Crown Point

Munster

Chesterton

Monticello

Porter

Griffith

Saint John

Why use momondo?

Why should I use momondo to find a flight deal from North America to Chicago?

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 Chicago from North America.

Can I find flights from North America to Chicago with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for North America to Chicago flights to just show those with flexible booking policies.

How can momondo help me find flights from North America to Chicago?

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

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

Price alerts on flights to Chicago from North America 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 Chicago 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.

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Cheap flights from North America to Chicago from $37

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North America to Chicago departing on 3/17. 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

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Price Alerts

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Delta flights from North America to Chicago

Our best Delta deals on North America to Chicago flight tickets

Frontier flights from North America to Chicago

Our best Frontier deals on North America to Chicago flight tickets

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How to get the cheapest flight ticket from North America 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

What is the cheapest month to fly to Chicago?

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

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 North America to Chicago during this time can be as low as $271. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $367.

What is the cheapest North America to Chicago flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago Midway for the best North America - Chicago flight prices

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

What cabin class options are available on North America to Chicago flights?

There are 4 cabin classes available to choose from on North America to Chicago 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 North America to Chicago flights?

No. A direct flight is the cheapest option for a flight between North America to Chicago.

What is the cheapest airline that flies from North America to Chicago?

Frontier, Spirit Airlines, and Delta are the most popular carriers operating from North America to Chicago

What airlines fly to Chicago?

How many flights depart from North America to Chicago on average per day?

As of December 2025, 431 flights take off from North America and land in Chicago each day. The most common flight departure time for this route is 10:00AM, with 41% of daily flights taking off at noon.

How many flights depart from North America to Chicago on average per week?

As of December 2025, 3,022 flights take off from North America and land in Chicago each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

Cheap North America to Chicago flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North America to Chicago

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

When did momondo last update prices for flights from North America to Chicago?

How many operators does momondo search for flights from North America to Chicago?

How old do you have to be to fly from North America to Chicago?

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

What is the most popular plane model from North America to Chicago?

Best airlines flying from North America to Chicago

Compare and see reviews for airlines that fly from North America to Chicago with momondo

Traveling to a place near Chicago?

Why use momondo?

Why should I use momondo to find a flight deal from North America to Chicago?

Can I find flights from North America to Chicago with flexible booking policies on momondo?

How can momondo help me find flights from North America to Chicago?

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

An easier way to manage your Chicago 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 the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago