Cheap flights from the United States to Chicago from $46

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 11/25. 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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Find the cheapest flights from the United States to Chicago

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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:29 pm - 8:01 pmATL-ORD
6h 32m1 stop
Multiple Airlines Logo
11:44 am - 2:59 pmORD-ATL
2h 15mnonstop
$72Multiple Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
Multiple Airlines Logo
2:05 pm - 11:13 pmATL-ORD
10h 08m1 stop
Multiple Airlines Logo
6:35 pm - 10:00 pmORD-ATL
2h 25mnonstop
$74Multiple Airlines
Find Deal
Tue, Nov 25 - Thu, Nov 27
Multiple Airlines Logo
2:05 pm - 11:13 pmATL-ORD
10h 08m1 stop
Multiple Airlines Logo
4:22 pm - 7:39 pmORD-ATL
2h 17mnonstop
$75Multiple Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2
Frontier Logo
1:15 pm - 2:31 pmATL-ORD
2h 16mnonstop
Frontier Logo
6:00 am - 9:20 amORD-ATL
2h 20mnonstop
$77Frontier
Find Deal
Wed, Dec 17 - Sun, Dec 21
Frontier Logo
9:10 pm - 10:24 pmATL-ORD
2h 14mnonstop
Frontier Logo
12:39 pm - 3:55 pmORD-ATL
2h 16mnonstop
$78Frontier
Find Deal
Thu, Dec 25 - Mon, Dec 29
American Airlines Logo
5:29 pm - 7:23 pmJFK-ORD
2h 54mnonstop
American Airlines Logo
4:04 pm - 7:29 pmORD-JFK
2h 25mnonstop
$115American Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 10
American Airlines Logo
7:00 pm - 8:58 pmJFK-ORD
2h 58mnonstop
American Airlines Logo
10:06 am - 1:29 pmORD-JFK
2h 23mnonstop
$117American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 8
United Airlines Logo
7:00 am - 9:29 amDFW-ORD
2h 29mnonstop
United Airlines Logo
8:14 pm - 10:59 pmORD-DFW
2h 45mnonstop
$117United Airlines
Find Deal
Thu, Jan 22 - Sun, Jan 25
United Airlines Logo
9:01 am - 10:45 amEWR-ORD
2h 44mnonstop
United Airlines Logo
4:25 pm - 7:48 pmORD-EWR
2h 23mnonstop
$126United Airlines
Find Deal
Mon, Nov 24 - Wed, Dec 3
Southwest Logo
5:20 am - 3:25 pmSFO-ORD
8h 05m1 stop
Southwest Logo
2:15 pm - 9:50 pmORD-SFO
9h 35m2 stops
$327Southwest
Find Deal
Tue, Dec 9 - Thu, Dec 11

Spirit Airlines flights from United States to Chicago

Our best Spirit Airlines deals on United States to Chicago flight tickets
Spirit Airlines
Dec 10
DFW7:42 pmDallas/Fort Worth
10h 23m
1 stop
ORD6:05 amChicago O'Hare Intl
Dec 13
ORD4:49 pmChicago O'Hare Intl
2h 40m
DFW7:29 pmDallas/Fort Worth
Spirit Airlines
Dec 31
LGA8:37 pmNew York LaGuardia
2h 30m
ORD10:07 pmChicago O'Hare Intl
Jan 24
ORD6:19 pmChicago O'Hare Intl
2h 10m
LGA9:29 pmNew York LaGuardia
Spirit Airlines
Nov 13
LGA12:59 pmNew York LaGuardia
2h 32m
ORD2:31 pmChicago O'Hare Intl
Nov 13
ORD4:57 pmChicago O'Hare Intl
2h 03m
LGA8:00 pmNew York LaGuardia

Frontier flights from United States to Chicago

Our best Frontier deals on United States to Chicago flight tickets
Frontier
Dec 17
ATL1:15 pmAtlanta Hartsfield-Jackson
2h 16m
ORD2:31 pmChicago O'Hare Intl
Dec 21
ORD6:00 amChicago O'Hare Intl
2h 20m
ATL9:20 amAtlanta Hartsfield-Jackson
Frontier
Nov 18
ATL10:00 amAtlanta Hartsfield-Jackson
2h 14m
ORD11:14 amChicago O'Hare Intl
Nov 22
ORD6:35 pmChicago O'Hare Intl
2h 25m
ATL10:00 pmAtlanta Hartsfield-Jackson
Frontier
Nov 25
ATL10:57 pmAtlanta Hartsfield-Jackson
2h 11m
ORD12:08 amChicago O'Hare Intl
Dec 2
ORD4:22 pmChicago O'Hare Intl
2h 17m
ATL7:39 pmAtlanta Hartsfield-Jackson

momondo Fare Finder

 
Customize your flight search to find flights from United States to Chicago that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 8, 2025.
Use the filters below to find and compare flights from the United States to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 12/6

2:29 pm-8:01 pm

1 stop6h 32m

Chicago O'Hare Intl

Mon 12/8

11:44 am-2:59 pm

Nonstop2h 15m

$72

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 11/25

2:05 pm-11:13 pm

1 stop10h 08m

Chicago O'Hare Intl

Thu 11/27

6:35 pm-10:00 pm

Nonstop2h 25m

$74

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Tue 11/25

2:05 pm-11:13 pm

1 stop10h 08m

Chicago O'Hare Intl

Tue 12/2

4:22 pm-7:39 pm

Nonstop2h 17m

$75

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 12/17

1:15 pm-2:31 pm

Nonstop2h 16m

Chicago O'Hare Intl

Sun 12/21

6:00 am-9:20 am

Nonstop2h 20m

$77

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 12/25

9:10 pm-10:24 pm

Nonstop2h 14m

Chicago O'Hare Intl

Mon 12/29

12:39 pm-3:55 pm

Nonstop2h 16m

$78

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Thu 12/4

5:29 pm-7:23 pm

Nonstop2h 54m

Chicago O'Hare Intl

Wed 12/10

4:04 pm-7:29 pm

Nonstop2h 25m

$115

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 12/6

7:00 pm-8:58 pm

Nonstop2h 58m

Chicago O'Hare Intl

Mon 12/8

10:06 am-1:29 pm

Nonstop2h 23m

$117

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 1/22

7:00 am-9:29 am

Nonstop2h 29m

Chicago O'Hare Intl

Sun 1/25

8:14 pm-10:59 pm

Nonstop2h 45m

$117

NewarkChicago

EWR - ORD

EWRORD

Newark

Mon 11/24

9:01 am-10:45 am

Nonstop2h 44m

Chicago O'Hare Intl

Wed 12/3

4:25 pm-7:48 pm

Nonstop2h 23m

$126

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 12/9

5:20 am-3:25 pm

1 stop8h 05m

Chicago O'Hare Intl

Thu 12/11

2:15 pm-9:50 pm

2 stops9h 35m

$327

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

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

What is the cheapest month to fly to Chicago?

The month of January is, on average, the cheapest month to fly to Chicago from United States, with most prices found around $184. If you’re not able to fly to Chicago in January, then February is your next best option. Flight prices from United States 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 United States to Chicago for around $384.

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 $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 United States to Chicago flight route?

Fly from Newark to Chicago Midway 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 weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $248 when searching 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 $186 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.

Can stopping save me money on United States to Chicago flights?

No. A direct flight is the cheapest option for a flight between United States to Chicago.

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

$49

Fastest flight time

2h 04m

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 $49. The best round-trip flight deal from United States to Chicago found on momondo in the last 72 hours is $71.
The fastest flight from United States to Chicago takes 2h 04m
Direct flights go from United States to Chicago every day.
There is 1 airport near Chicago: Chicago O'Hare Intl (ORD)
  • 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?

  • 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?

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
FrontierPriceFrom $55Free CancellationRating
5.8
3,117 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $59Free CancellationRating
6.3
8,127 reviews
Search Spirit Airlines flights
JetBluePriceFrom $79Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Allegiant AirPriceFrom $91Free CancellationRating
7.2
698 reviews
Search Allegiant Air flights
DeltaPriceFrom $101Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,804 reviews
Search Hawaiian Airlines flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
United AirlinesPriceFrom $126Free CancellationRating
7.4
9,010 reviews
Search United Airlines flights
Sun Country AirPriceFrom $130Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $135Free CancellationRating
7.2
11,044 reviews
Search American Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
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 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.

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1 adult
Mon 12/8
Mon 12/15

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