Cheap flights from the United States to Chicago from $53

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 5/20. 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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0 bags

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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.
Frontier Logo
12:09 pm - 2:32 pm
DFW
-
MDW
2h 23mnonstop
Frontier Logo
3:07 pm - 5:50 pm
MDW
-
DFW
2h 43mnonstop
$101Frontier
Thu, Apr 30 - Tue, May 5
Frontier Logo
10:00 am - 11:09 am
DFW
-
MDW
25h 09m
1 stop
Frontier Logo
3:07 pm - 5:50 pm
MDW
-
DFW
2h 43mnonstop
$102Frontier
Mon, May 11 - Wed, May 13
Frontier Logo
4:24 pm - 10:02 pm
DFW
-
MDW
5h 38m
1 stop
Frontier Logo
3:07 pm - 5:50 pm
MDW
-
DFW
2h 43mnonstop
$103Frontier
Wed, May 6 - Tue, May 12
Frontier Logo
8:59 pm - 4:13 pm
DFW
-
MDW
19h 14m
1 stop
Frontier Logo
3:07 pm - 5:50 pm
MDW
-
DFW
2h 43mnonstop
$104Frontier
Fri, May 1 - Wed, May 6
Spirit Airlines Logo
2:57 pm - 4:32 pm
LGA
-
ORD
2h 35mnonstop
Spirit Airlines Logo
1:50 pm - 5:07 pm
ORD
-
LGA
2h 17mnonstop
$119Spirit Airlines
Sat, Jul 4 - Tue, Jul 7
Spirit Airlines Logo
6:29 pm - 8:11 pm
LGA
-
ORD
2h 42mnonstop
Spirit Airlines Logo
1:49 pm - 5:00 pm
ORD
-
LGA
2h 11mnonstop
$122Spirit Airlines
Fri, May 8 - Thu, May 14
American Airlines Logo
8:03 am - 10:12 am
BOS
-
ORD
3h 09mnonstop
American Airlines Logo
1:11 pm - 4:45 pm
ORD
-
BOS
2h 34mnonstop
$155American Airlines
Sun, Apr 26 - Tue, Apr 28
United Airlines Logo
9:20 am - 11:20 am
BOS
-
ORD
3h 00mnonstop
United Airlines Logo
7:30 am - 11:01 am
ORD
-
BOS
2h 31mnonstop
$158United Airlines
Wed, Apr 29 - Fri, May 1
United Airlines Logo
3:27 pm - 4:46 pm
BWI
-
ORD
2h 19mnonstop
United Airlines Logo
11:10 am - 2:13 pm
ORD
-
BWI
2h 03mnonstop
$198United Airlines
Sat, May 2 - Wed, May 6
Southwest Logo
11:25 am - 11:55 pm
SFO
-
ORD
10h 30m
2 stops
Southwest Logo
10:30 am - 7:55 pm
ORD
-
SFO
11h 25m
2 stops
$267Southwest
Wed, May 27 - Wed, Jun 3

United Airlines flights from United States to Chicago

Our best United Airlines deals on United States to Chicago flight tickets
United Airlines
Apr 29
BOS9:20 amBoston Logan Intl
3h 00m
ORD11:20 amChicago O'Hare Intl
May 1
ORD7:30 amChicago O'Hare Intl
2h 31m
BOS11:01 amBoston Logan Intl
$158
United Airlines
Apr 28
BOS7:15 amBoston Logan Intl
2h 59m
ORD9:14 amChicago O'Hare Intl
May 3
ORD7:30 amChicago O'Hare Intl
2h 31m
BOS11:01 amBoston Logan Intl
$166
United Airlines
May 2
EWR9:50 pmNewark
2h 47m
ORD11:37 pmChicago O'Hare Intl
May 5
ORD5:00 amChicago O'Hare Intl
2h 12m
EWR8:12 amNewark
$171

Spirit Airlines flights from United States to Chicago

Our best Spirit Airlines deals on United States to Chicago flight tickets
Spirit Airlines
Apr 15
LGA6:15 pmNew York LaGuardia
2h 42m
ORD7:57 pmChicago O'Hare Intl
Apr 22
ORD2:09 pmChicago O'Hare Intl
2h 11m
LGA5:20 pmNew York LaGuardia
$119
Spirit Airlines
May 8
LGA6:29 pmNew York LaGuardia
2h 42m
ORD8:11 pmChicago O'Hare Intl
May 14
ORD1:49 pmChicago O'Hare Intl
2h 11m
LGA5:00 pmNew York LaGuardia
$122
Spirit Airlines
May 4
LGA6:29 pmNew York LaGuardia
2h 42m
ORD8:11 pmChicago O'Hare Intl
May 14
ORD1:49 pmChicago O'Hare Intl
2h 11m
LGA5:00 pmNew York LaGuardia
$124

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 April 13, 2026.
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

Cheapest round-trip

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Thu 4/30

12:09 pm-2:32 pm

Nonstop2h 23m

Chicago Midway

Tue 5/5

3:07 pm-5:50 pm

Nonstop2h 43m

$101

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Mon 5/11

10:00 am-11:09 am

1 stop25h 09m

Chicago Midway

Wed 5/13

3:07 pm-5:50 pm

Nonstop2h 43m

$102

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Wed 5/6

4:24 pm-10:02 pm

1 stop5h 38m

Chicago Midway

Tue 5/12

3:07 pm-5:50 pm

Nonstop2h 43m

$103

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Fri 5/1

8:59 pm-4:13 pm

1 stop19h 14m

Chicago Midway

Wed 5/6

3:07 pm-5:50 pm

Nonstop2h 43m

$104

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 7/4

2:57 pm-4:32 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 7/7

1:50 pm-5:07 pm

Nonstop2h 17m

$119

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 5/8

6:29 pm-8:11 pm

Nonstop2h 42m

Chicago O'Hare Intl

Thu 5/14

1:49 pm-5:00 pm

Nonstop2h 11m

$122

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sun 4/26

8:03 am-10:12 am

Nonstop3h 09m

Chicago O'Hare Intl

Tue 4/28

1:11 pm-4:45 pm

Nonstop2h 34m

$155

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Wed 4/29

9:20 am-11:20 am

Nonstop3h 00m

Chicago O'Hare Intl

Fri 5/1

7:30 am-11:01 am

Nonstop2h 31m

$158
Quickest round-trip

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 5/2

3:27 pm-4:46 pm

Nonstop2h 19m

Chicago O'Hare Intl

Wed 5/6

11:10 am-2:13 pm

Nonstop2h 03m

$198

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 5/27

11:25 am-11:55 pm

2 stops10h 30m

Chicago O'Hare Intl

Wed 6/3

10:30 am-7:55 pm

2 stops11h 25m

$267

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 $177. 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 $182.

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 $290. 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 $366.

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 $360.

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 $238 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 $162 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

$45

Fastest flight time

0h 50m

Direct flights

Every day

Airports in Chicago

3 airports
The best one-way flight to Chicago from United States in the past 72 hours is $45. The best round-trip flight deal from United States to Chicago found on momondo in the last 72 hours is $66.
The fastest flight from United States to Chicago takes 0h 50m
Direct flights go from United States to Chicago every day.
There are 3 airports in Chicago. From United States there are direct flights to Chicago O'Hare Intl (ORD).

Frequently asked questions about flying from the United States to 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?

  • 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
Spirit AirlinesPriceFrom $32Free CancellationRating
6.3
8,616 reviews
Search Spirit Airlines flights
FrontierPriceFrom $43Free CancellationRating
5.7
2,994 reviews
Search Frontier flights
JetBluePriceFrom $67Free CancellationRating
7.2
2,931 reviews
Search JetBlue flights
DeltaPriceFrom $76Free CancellationRating
7.9
8,408 reviews
Search Delta flights
Allegiant AirPriceFrom $91Free CancellationRating
7.3
707 reviews
Search Allegiant Air flights
Hawaiian AirlinesPriceFrom $101Free CancellationRating
7.8
2,838 reviews
Search Hawaiian Airlines flights
ContourPriceFrom $105Free CancellationRating
7.6
42 reviews
Search Contour flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,581 reviews
Search United Airlines flights
SouthwestPriceFrom $122Free CancellationRating
8.0
4,329 reviews
Search Southwest flights
American AirlinesPriceFrom $129Free CancellationRating
7.1
11,572 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
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
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
Wed 5/13
Wed 5/20

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