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Cheap flights from North America to Chicago from $43

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 1/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
10:20 am - 11:35 am
ATL
-
ORD
2h 15mnonstop
Frontier Logo
5:57 pm - 9:23 pm
ORD
-
ATL
2h 26mnonstop
$69Frontier
Thu, Jan 8 - Wed, Jan 14
Frontier Logo
10:20 am - 11:35 am
ATL
-
ORD
2h 15mnonstop
Frontier Logo
4:49 pm - 8:15 pm
ORD
-
ATL
2h 26mnonstop
$70Frontier
Sat, Jan 10 - Mon, Jan 12
Multiple Airlines Logo
10:46 am - 12:08 pm
ATL
-
ORD
2h 22mnonstop
Multiple Airlines Logo
7:20 am - 2:20 pm
ORD
-
ATL
6h 00m1 stop
$72Multiple Airlines
Wed, Jan 14 - Tue, Jan 20
Spirit Airlines Logo
12:59 pm - 2:41 pm
LGA
-
ORD
2h 42mnonstop
Spirit Airlines Logo
9:04 am - 12:04 pm
ORD
-
LGA
2h 00mnonstop
$85Spirit Airlines
Mon, May 11 - Tue, May 12
Spirit Airlines Logo
7:30 am - 9:12 am
LGA
-
ORD
2h 42mnonstop
Spirit Airlines Logo
5:53 pm - 8:59 pm
ORD
-
LGA
2h 06mnonstop
$86Spirit Airlines
Sat, Jan 10 - Mon, Jan 12
Delta Logo
8:00 am - 7:21 pm
SFO
-
ORD
9h 21m1 stop
Delta Logo
2:20 pm - 10:54 pm
ORD
-
SFO
10h 34m2 stops
$265Delta
Sat, Feb 7 - Mon, Feb 9
Delta Logo
6:00 am - 4:43 pm
SFO
-
ORD
8h 43m1 stop
Delta Logo
7:20 am - 4:10 pm
ORD
-
SFO
10h 50m2 stops
$266Delta
Tue, Mar 17 - Tue, Mar 24
American Airlines Logo
11:23 pm - 5:42 am
SFO
-
ORD
4h 19mnonstop
American Airlines Logo
7:26 pm - 10:24 pm
ORD
-
SFO
4h 58mnonstop
$267American Airlines
Tue, Feb 17 - Sun, Feb 22
American Airlines Logo
12:49 pm - 12:46 am
SFO
-
ORD
9h 57m1 stop
American Airlines Logo
7:26 pm - 10:24 pm
ORD
-
SFO
4h 58mnonstop
$268American Airlines
Wed, Feb 18 - Fri, Feb 20
Alaska Airlines Logo
7:57 am - 11:50 pm
SFO
-
ORD
13h 53m2 stops
Alaska Airlines Logo
3:44 pm - 10:47 pm
ORD
-
SFO
9h 03m1 stop
$270Alaska Airlines
Sat, Jan 10 - Sat, Jan 17

Frontier flights from North America to Chicago O'Hare Intl Airport

Our best Frontier deals on North America to Chicago O'Hare Intl Airport flight tickets
Frontier
Jan 13
ATL10:46 amAtlanta Hartsfield-Jackson
2h 22m
ORD12:08 pmChicago O'Hare Intl
Jan 19
ORD6:20 amChicago O'Hare Intl
2h 21m
ATL9:41 amAtlanta Hartsfield-Jackson
$69
Find similar
Frontier
Jan 10
ATL9:22 pmAtlanta Hartsfield-Jackson
2h 14m
ORD10:36 pmChicago O'Hare Intl
Jan 12
ORD5:50 amChicago O'Hare Intl
2h 14m
ATL9:04 amAtlanta Hartsfield-Jackson
$70
Find similar
Frontier
Jan 10
ATL9:22 pmAtlanta Hartsfield-Jackson
2h 14m
ORD10:36 pmChicago O'Hare Intl
Jan 11
ORD5:50 amChicago O'Hare Intl
2h 14m
ATL9:04 amAtlanta Hartsfield-Jackson
$78
Find similar

Spirit Airlines flights from North America to Chicago O'Hare Intl Airport

Our best Spirit Airlines deals on North America to Chicago O'Hare Intl Airport flight tickets
Spirit Airlines
May 11
LGA12:59 pmNew York LaGuardia
2h 42m
ORD2:41 pmChicago O'Hare Intl
May 12
ORD9:04 amChicago O'Hare Intl
2h 00m
LGA12:04 pmNew York LaGuardia
$85
Find similar
Spirit Airlines
Jan 10
LGA7:30 amNew York LaGuardia
2h 42m
ORD9:12 amChicago O'Hare Intl
Jan 12
ORD5:53 pmChicago O'Hare Intl
2h 06m
LGA8:59 pmNew York LaGuardia
$86
Find similar
Spirit Airlines
Jan 9
LGA7:30 amNew York LaGuardia
2h 42m
ORD9:12 amChicago O'Hare Intl
Jan 11
ORD5:53 pmChicago O'Hare Intl
2h 06m
LGA8:59 pmNew York LaGuardia
$87
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from North America to Chicago O'Hare Intl Airport 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 December 22, 2025.
Use the filters below to find and compare flights from North America to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Thu 1/8

10:20 am-11:35 am

Nonstop2h 15m

Chicago O'Hare Intl

Wed 1/14

5:57 pm-9:23 pm

Nonstop2h 26m

$69

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 1/10

10:20 am-11:35 am

Nonstop2h 15m

Chicago O'Hare Intl

Mon 1/12

4:49 pm-8:15 pm

Nonstop2h 26m

$70

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Wed 1/14

10:46 am-12:08 pm

Nonstop2h 22m

Chicago O'Hare Intl

Tue 1/20

7:20 am-2:20 pm

1 stop6h 00m

$72

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 5/11

12:59 pm-2:41 pm

Nonstop2h 42m

Chicago O'Hare Intl

Tue 5/12

9:04 am-12:04 pm

Nonstop2h 00m

$85

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 1/10

7:30 am-9:12 am

Nonstop2h 42m

Chicago O'Hare Intl

Mon 1/12

5:53 pm-8:59 pm

Nonstop2h 06m

$86

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 2/7

8:00 am-7:21 pm

1 stop9h 21m

Chicago O'Hare Intl

Mon 2/9

2:20 pm-10:54 pm

2 stops10h 34m

$265

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 3/17

6:00 am-4:43 pm

1 stop8h 43m

Chicago O'Hare Intl

Tue 3/24

7:20 am-4:10 pm

2 stops10h 50m

$266

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Tue 2/17

11:23 pm-5:42 am

Nonstop4h 19m

Chicago O'Hare Intl

Sun 2/22

7:26 pm-10:24 pm

Nonstop4h 58m

$267

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Wed 2/18

12:49 pm-12:46 am

1 stop9h 57m

Chicago O'Hare Intl

Fri 2/20

7:26 pm-10:24 pm

Nonstop4h 58m

$268

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 1/10

7:57 am-11:50 pm

2 stops13h 53m

Chicago O'Hare Intl

Sat 1/17

3:44 pm-10:47 pm

1 stop9h 03m

$270

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 North America 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 North America 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 $292. 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 North America because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $371.

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 North America in the evening is the least expensive time of day to depart. momondo users have found prices as low as $272 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $366. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest North America to Chicago O'Hare Intl flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl for the best North America - 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 North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport 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 O'Hare Intl Airport from North America for as low as $173 on momondo.

What cabin class options are available on North America to Chicago O'Hare Intl flights?

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

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

Cheap North America to Chicago O'Hare Intl Airport flight deals and tips

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

Best Price Found

$29

Fastest flight time

0h 50m

Direct flights

Every day
The best one-way flight to Chicago O'Hare Intl Airport from North America in the past 72 hours is $29. The best round-trip flight deal from North America to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is $68.
The fastest flight from North America to Chicago O'Hare Intl Airport takes 0h 50m
Direct flights go from North America to Chicago O'Hare Intl Airport every day.
Search flight deals

  • When did momondo last update prices for flights from North America to Chicago O'Hare Intl Airport?

    Prices for flights from North America to Chicago O'Hare Intl Airport refresh daily.

  • How many operators does momondo search for flights from North America to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from North America to Chicago O'Hare Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from North America to Chicago O'Hare Intl Airport.

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

    The travel and health documents required for your trip to Chicago O'Hare Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Chicago O'Hare Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from North America to Chicago O'Hare Intl Airport?

Best airlines flying from North America to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from North America to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $55Free CancellationRating
5.8
3,076 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $58Free CancellationRating
6.3
8,194 reviews
Search Spirit Airlines flights
JetBluePriceFrom $75Free CancellationRating
7.2
2,896 reviews
Search JetBlue flights
DeltaPriceFrom $101Free CancellationRating
7.9
8,014 reviews
Search Delta flights
ContourPriceFrom $105Free CancellationRating
7.6
43 reviews
Search Contour flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $123Free CancellationRating
7.4
9,103 reviews
Search United Airlines flights
American AirlinesPriceFrom $129Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
Sun Country AirPriceFrom $130Free CancellationRating
6.9
334 reviews
Search Sun Country Air flights
SouthwestPriceFrom $147Free CancellationRating
8.0
4,253 reviews
Search Southwest flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Janesville
Tinley Park
Aurora
Elgin
Benton Harbor

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. All flights to Chicago from North America on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for North America 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 North America to Chicago right now. Can momondo alert me if prices change?

Yes. momondo can track prices for North America to Chicago flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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