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

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

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

As of September 2026, 409 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 38% of daily flights taking off at noon.

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

As of September 2026, 2,868 flights take off from North America and land in Chicago each week. The most common flight departure day for this route is Mon, with 21% of weekly flights taking off on this day.

What airlines fly to Chicago?

United Airlines, American Airlines and Frontier are the top three most popular airlines that fly to Chicago from North America according to our data. United Airlines is the first choice among our users, with 38% 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.

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 7 as of September 2026.

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.

$73 Cheap Flights from North America to Chicago in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from North America to Chicago

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:02 pm - 6:23 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 21mnonstop

7:28 pm - 10:44 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 16mnonstop

$137Frontier

Thu, Sep 10 - Tue, Sep 15

8:00 am - 9:20 amATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 20mnonstop

7:28 pm - 10:44 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 16mnonstop

$137Frontier

Thu, Sep 10 - Wed, Sep 16

3:47 pm - 5:05 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 18mnonstop

8:50 am - 11:55 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 05mnonstop

$177United Airlines

Wed, Oct 21 - Thu, Oct 22

3:15 pm - 4:29 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

2h 14mnonstop

9:52 pm - 12:58 amORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

2h 06mnonstop

$177United Airlines

Wed, Sep 23 - Thu, Sep 24

8:35 pm - 10:00 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 25mnonstop

6:59 am - 10:06 amORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 07mnonstop

$177American Airlines

Mon, Oct 5 - Thu, Oct 8

6:00 am - 7:27 amDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

2h 27mnonstop

4:50 pm - 7:59 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

2h 09mnonstop

$177American Airlines

Mon, Feb 1 - Mon, Feb 1

7:30 am - 6:27 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

11h 57m1 stop Baltimore/Washington

7:11 am - 7:54 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

11h 43m2 stops Fort Lauderdale Tampa

$184Multiple Airlines

Sat, Oct 3 - Wed, Oct 7

7:30 am - 6:27 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

11h 57m1 stop Baltimore/Washington

7:11 am - 7:54 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

11h 43m2 stops Fort Lauderdale Tampa

$185Multiple Airlines

Sat, Sep 26 - Wed, Sep 30

11:10 am - 4:59 pmDCA Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl

6h 49m1 stop New York John F Kennedy Intl

5:10 pm - 11:02 pmORD Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National

4h 52m1 stop Detroit Metropolitan Wayne County

$194Delta

Tue, Sep 22 - Wed, Sep 23

12:18 pm - 4:14 pmIAD Washington, D.C. Dulles Intl-ORD Chicago O'Hare Intl

4h 56m1 stop Detroit Metropolitan Wayne County

5:10 pm - 11:14 pmORD Chicago O'Hare Intl-IAD Washington, D.C. Dulles Intl

5h 04m1 stop Detroit Metropolitan Wayne County

$197Delta

Sat, Sep 19 - Mon, Sep 21

Cheap last minute flights

Enter your travel dates to find the best prices.

6:38 pm - 8:08 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 30mnonstop

1:59 pm - 5:21 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 22mnonstop

$147Frontier

Sat, Sep 5 - Sun, Sep 6

6:38 pm - 8:08 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 30mnonstop

1:59 pm - 5:21 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 22mnonstop

$148Frontier

Sat, Sep 5 - Tue, Sep 8

9:30 am - 1:55 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

4h 25m1 stop Kirksville Cannon Memorial

1:04 pm - 3:50 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

2h 46mnonstop

$242Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

9:30 am - 1:55 pmDFW Dallas/Fort Worth-ORD Chicago O'Hare Intl

4h 25m1 stop Kirksville Cannon Memorial

1:04 pm - 3:50 pmORD Chicago O'Hare Intl-DFW Dallas/Fort Worth

2h 46mnonstop

$242Multiple Airlines

Sat, Sep 5 - Sat, Sep 12

12:05 pm - 1:26 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 21mnonstop

1:44 pm - 4:45 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 01mnonstop

$271American Airlines

Sat, Sep 5 - Sun, Sep 6

10:40 pm - 11:57 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 17mnonstop

6:40 am - 9:42 amORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 02mnonstop

$271Delta

Sat, Sep 5 - Sun, Sep 6

7:35 pm - 8:55 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 20mnonstop

6:25 pm - 9:43 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 18mnonstop

$271Delta

Sat, Sep 5 - Sun, Sep 6

12:05 pm - 1:26 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 21mnonstop

1:44 pm - 4:45 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 01mnonstop

$272American Airlines

Sat, Sep 5 - Sun, Sep 6

8:00 pm - 9:58 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 58mnonstop

7:00 am - 10:27 amORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 27mnonstop

$277JetBlue

Sat, Sep 5 - Mon, Sep 21

2:30 pm - 4:18 pmJFK New York John F Kennedy Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

7:00 am - 10:27 amORD Chicago O'Hare Intl-JFK New York John F Kennedy Intl

2h 27mnonstop

$277JetBlue

Sat, Sep 5 - Sat, Sep 26

Cheap direct flights

Enter your travel dates to find the best prices.

5:02 pm - 6:23 pmATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 21mnonstop

7:28 pm - 10:44 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 16mnonstop

$137Frontier

Thu, Sep 10 - Tue, Sep 15

8:00 am - 9:20 amATL Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl

2h 20mnonstop

7:28 pm - 10:44 pmORD Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson

2h 16mnonstop

$137Frontier

Thu, Sep 10 - Wed, Sep 16

12:10 pm - 1:30 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 20mnonstop

5:55 pm - 9:02 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 07mnonstop

$177United Airlines

Wed, Sep 30 - Wed, Sep 30

5:31 pm - 6:52 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 21mnonstop

3:57 pm - 7:01 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

$177United Airlines

Tue, Oct 27 - Sat, Oct 31

7:18 am - 8:50 amBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 32mnonstop

9:00 pm - 11:59 pmORD Chicago O'Hare Intl-BWI Baltimore/Washington

1h 59mnonstop

$177American Airlines

Sat, Nov 14 - Sat, Nov 21

11:40 am - 12:59 pmBWI Baltimore/Washington-ORD Chicago O'Hare Intl

2h 19mnonstop

9:12 pm - 12:16 amORD Chicago O'Hare Intl-BWI Baltimore/Washington

2h 04mnonstop

$177American Airlines

Sat, Jan 23 - Wed, Jan 27

7:00 am - 8:48 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

9:38 am - 1:06 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 28mnonstop

$198JetBlue

Thu, Sep 17 - Mon, Sep 21

7:00 am - 8:48 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 48mnonstop

8:24 pm - 12:09 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 45mnonstop

$211JetBlue

Thu, Sep 24 - Tue, Sep 29

7:30 am - 9:24 amBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 54mnonstop

7:30 am - 11:01 amORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 31mnonstop

$217Delta

Thu, Oct 1 - Sat, Oct 3

4:30 pm - 6:28 pmBOS Boston Logan Intl-ORD Chicago O'Hare Intl

2h 58mnonstop

3:05 pm - 6:52 pmORD Chicago O'Hare Intl-BOS Boston Logan Intl

2h 47mnonstop

$217Delta

Thu, Sep 17 - Mon, Sep 21

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Frontier flights from North America to Chicago

Our best Frontier deals on North America to Chicago flight tickets

Frontier

Sep 10

ATL5:02 pmAtlanta Hartsfield-Jackson

2h 21m

ORD6:23 pmChicago O'Hare Intl

Sep 15

ORD7:28 pmChicago O'Hare Intl

2h 16m

ATL10:44 pmAtlanta Hartsfield-Jackson

$137

Frontier

Oct 14

ATL10:40 pmAtlanta Hartsfield-Jackson

13h 41m

1 stop

ORD11:21 amChicago O'Hare Intl

Oct 19

ORD6:00 amChicago O'Hare Intl

24h 53m

1 stop

ATL7:53 amAtlanta Hartsfield-Jackson

$138

Frontier

Oct 28

ATL10:40 pmAtlanta Hartsfield-Jackson

13h 43m

1 stop

ORD11:23 amChicago O'Hare Intl

Nov 2

ORD6:00 amChicago O'Hare Intl

16h 18m

1 stop

ATL11:18 pmAtlanta Hartsfield-Jackson

$139

United Airlines flights from North America to Chicago

Our best United Airlines deals on North America to Chicago flight tickets

United Airlines

Sep 23

DCA11:57 amWashington, D.C. Reagan-National

2h 16m

ORD1:13 pmChicago O'Hare Intl

Sep 24

ORD5:59 amChicago O'Hare Intl

1h 55m

DCA8:54 amWashington, D.C. Reagan-National

$177

United Airlines

Oct 26

IAD8:23 amWashington, D.C. Dulles Intl

2h 22m

ORD9:45 amChicago O'Hare Intl

Oct 28

ORD9:41 pmChicago O'Hare Intl

1h 49m

IAD12:30 amWashington, D.C. Dulles Intl

$199

United Airlines

Oct 20

DCA4:30 pmWashington, D.C. Reagan-National

6h 02m

1 stop

ORD9:32 pmChicago O'Hare Intl

Oct 24

ORD11:15 amChicago O'Hare Intl

2h 08m

DCA2:23 pmWashington, D.C. Reagan-National

$208

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Thu 9/10

5:02 pm-6:23 pm

Nonstop2h 21m

Chicago O'Hare Intl

Tue 9/15

7:28 pm-10:44 pm

Nonstop2h 16m

$137

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Thu 9/10

8:00 am-9:20 am

Nonstop2h 20m

Chicago O'Hare Intl

Wed 9/16

7:28 pm-10:44 pm

Nonstop2h 16m

$137

Washington, D.C.Chicago

IAD Washington, D.C. Dulles Intl - ORD Chicago O'Hare Intl

IADORD

Washington, D.C. Dulles Intl

Wed 10/21

3:47 pm-5:05 pm

Nonstop2h 18m

Chicago O'Hare Intl

Thu 10/22

8:50 am-11:55 am

Nonstop2h 05m

$177

Quickest round-trip

Washington, D.C.Chicago

IAD Washington, D.C. Dulles Intl - ORD Chicago O'Hare Intl

IADORD

Washington, D.C. Dulles Intl

Wed 9/23

3:15 pm-4:29 pm

Nonstop2h 14m

Chicago O'Hare Intl

Thu 9/24

9:52 pm-12:58 am

Nonstop2h 06m

$177

Washington, D.C.Chicago

DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl

DCAORD

Washington, D.C. Reagan-National

Mon 10/5

8:35 pm-10:00 pm

Nonstop2h 25m

Chicago O'Hare Intl

Thu 10/8

6:59 am-10:06 am

Nonstop2h 07m

$177

Washington, D.C.Chicago

DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl

DCAORD

Washington, D.C. Reagan-National

Mon 2/1

6:00 am-7:27 am

Nonstop2h 27m

Chicago O'Hare Intl

Mon 2/1

4:50 pm-7:59 pm

Nonstop2h 09m

$177

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Sat 10/3

7:30 am-6:27 pm

1 stop11h 57m

Chicago O'Hare Intl

Wed 10/7

7:11 am-7:54 pm

2 stops11h 43m

$184

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Sat 9/26

7:30 am-6:27 pm

1 stop11h 57m

Chicago O'Hare Intl

Wed 9/30

7:11 am-7:54 pm

2 stops11h 43m

$185

Washington, D.C.Chicago

DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl

DCAORD

Washington, D.C. Reagan-National

Tue 9/22

11:10 am-4:59 pm

1 stop6h 49m

Chicago O'Hare Intl

Wed 9/23

5:10 pm-11:02 pm

1 stop4h 52m

$194

Washington, D.C.Chicago

IAD Washington, D.C. Dulles Intl - ORD Chicago O'Hare Intl

IADORD

Washington, D.C. Dulles Intl

Sat 9/19

12:18 pm-4:14 pm

1 stop4h 56m

Chicago O'Hare Intl

Mon 9/21

5:10 pm-11:14 pm

1 stop5h 04m

$197

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 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 $260. 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 $271.

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 Saturday when prices can be found for as low as $327. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from North America to Chicago for around $410.

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 $320. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $372.

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 from North America 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 $242 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 $177 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	$73
Fastest flight time	0h 45m
Direct flights	Every day
Airports in Chicago	3 airports

The best one-way flight to Chicago from North America in the past 72 hours is $73. The best round-trip flight deal from North America to Chicago found on momondo in the last 72 hours is $137.

The fastest flight from North America to Chicago takes 0h 45m

Direct flights go from North America to Chicago every day.

There are 3 airports in Chicago. From North America there are direct flights to Chicago O'Hare Intl (ORD).

Search flight deals

Frequently asked questions about flying from North America to Chicago

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 7 as of September 2026.
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 20.19% of all bookings. The subsequent popular models are Airbus A321neo at 13.61%, Boeing 737-900 at 9.50%, and Boeing 737 MAX 8 at 8.29%.

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 $44	Free Cancellation	Rating 5.6 2,631 reviews	Search Frontier flights
JetBlue	PriceFrom $72	Free Cancellation	Rating 7.1 3,034 reviews	Search JetBlue flights
Delta	PriceFrom $74	Free Cancellation	Rating 7.8 8,536 reviews	Search Delta flights
United Airlines	PriceFrom $130	Free Cancellation	Rating 7.4 10,151 reviews	Search United Airlines flights
Allegiant Air	PriceFrom $132	Free Cancellation	Rating 7.3 676 reviews	Search Allegiant Air flights
Southwest	PriceFrom $137	Free Cancellation	Rating 8.0 4,194 reviews	Search Southwest flights
American Airlines	PriceFrom $140	Free Cancellation	Rating 7.1 12,028 reviews	Search American Airlines flights
Volaris	PriceFrom $186	Free Cancellation	Rating 6.6 1,144 reviews	Search Volaris flights
Alaska Airlines	PriceFrom $204	Free Cancellation	Rating 7.9 12,864 reviews	Search Alaska Airlines flights
Viva	PriceFrom $221	Free Cancellation	Rating 7.0 806 reviews	Search Viva flights

Merrillville

New Buffalo

Hammond

Portage

Benton Harbor

Lansing

Saint Joseph

Valparaiso

Schererville

Munster

Chesterton

Monticello

Porter

Crown Point

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

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Fly into one of these airports located in Chicago

Chicago Midway Airport

Chicago O'Hare Intl Airport

Chicago Greater Rockford Airport

Cheap flights from North America to Chicago from $73

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 10/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Frontier flights from North America to Chicago

Our best Frontier deals on North America to Chicago flight tickets

United Airlines flights from North America to Chicago

Our best United Airlines deals on North America to Chicago flight tickets

momondo Fare Finder

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See travel insights to Chicago from

How to get the cheapest flight ticket from North America to Chicago

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?

What is the cheapest North America to Chicago flight route?

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

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

Can stopping save me money on North America to Chicago flights?

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

What airlines fly to Chicago?

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

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

Cheap North America to Chicago flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Airports in Chicago

Frequently asked questions about flying 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?

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

Fly your favorite airline to Chicago

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Chicago

List of cabin classes available on flights landing in Chicago. Availability may vary depending on flight origin and airline.

Popular cities in the United States

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

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According to popular flight searches on momondo this year

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