Latest deals
Insights
When to book
FAQs
Price Alerts
Flights to Chicago O'Hare Intl

$53 Cheap flights to Chicago O'Hare Intl Airport

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chicago O'Hare Intl Airport departing on 2/6. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from the United States to Chicago O'Hare Intl Airport

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
12:40 pm - 2:07 pm
BWI
-
ORD
2h 27mnonstop
Frontier Logo
8:45 am - 11:45 am
ORD
-
BWI
2h 00mnonstop
$68Frontier
Mon, Jan 26 - Mon, Feb 2
Frontier Logo
12:05 pm - 1:32 pm
BWI
-
ORD
2h 27mnonstop
Frontier Logo
8:45 am - 11:45 am
ORD
-
BWI
2h 00mnonstop
$69Frontier
Thu, Jan 29 - Mon, Feb 9
Frontier Logo
9:20 am - 10:47 am
BWI
-
ORD
2h 27mnonstop
Frontier Logo
8:45 am - 11:45 am
ORD
-
BWI
2h 00mnonstop
$72Frontier
Sun, Feb 8 - Mon, Feb 9
Frontier Logo
10:00 am - 11:27 am
BWI
-
ORD
2h 27mnonstop
Frontier Logo
5:25 am - 8:25 am
ORD
-
BWI
2h 00mnonstop
$73Frontier
Fri, Feb 6 - Sun, Feb 8
Frontier Logo
12:05 pm - 1:32 pm
BWI
-
ORD
2h 27mnonstop
Frontier Logo
5:25 am - 8:25 am
ORD
-
BWI
2h 00mnonstop
$74Frontier
Thu, Jan 29 - Sun, Feb 1
Spirit Airlines Logo
7:30 am - 9:12 am
LGA
-
ORD
2h 42mnonstop
Spirit Airlines Logo
9:23 am - 7:00 pm
ORD
-
LGA
8h 37m
1 stop
$94Spirit Airlines
Mon, Feb 2 - Wed, Feb 4
Spirit Airlines Logo
1:00 pm - 9:03 pm
EWR
-
ORD
9h 03m
1 stop
Spirit Airlines Logo
4:38 pm - 7:46 pm
ORD
-
EWR
2h 08mnonstop
$95Spirit Airlines
Wed, Jan 28 - Sun, Feb 1
JetBlue Logo
6:00 am - 12:04 pm
DCA
-
ORD
7h 04m
1 stop
JetBlue Logo
10:00 am - 4:04 pm
ORD
-
DCA
5h 04m
1 stop
$184JetBlue
Wed, Feb 25 - Wed, Mar 4
United Airlines Logo
12:25 pm - 6:48 pm
SFO
-
ORD
4h 23mnonstop
United Airlines Logo
12:46 pm - 3:51 pm
ORD
-
SFO
5h 05mnonstop
$255United Airlines
Sat, Feb 7 - Sat, Feb 14
Delta Logo
1:25 pm - 9:34 pm
SFO
-
ORD
6h 09m
1 stop
Delta Logo
11:10 am - 7:19 pm
ORD
-
SFO
10h 09m
1 stop
$257Delta
Sat, Mar 14 - Tue, Mar 17

momondo Fare Finder

 
Locate flights to Chicago O'Hare Intl that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on January 12, 2026.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Mon 1/26

12:40 pm-2:07 pm

Nonstop2h 27m

Chicago O'Hare Intl

Mon 2/2

8:45 am-11:45 am

Nonstop2h 00m

$68

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 1/29

12:05 pm-1:32 pm

Nonstop2h 27m

Chicago O'Hare Intl

Mon 2/9

8:45 am-11:45 am

Nonstop2h 00m

$69

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sun 2/8

9:20 am-10:47 am

Nonstop2h 27m

Chicago O'Hare Intl

Mon 2/9

8:45 am-11:45 am

Nonstop2h 00m

$72

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Fri 2/6

10:00 am-11:27 am

Nonstop2h 27m

Chicago O'Hare Intl

Sun 2/8

5:25 am-8:25 am

Nonstop2h 00m

$73

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Thu 1/29

12:05 pm-1:32 pm

Nonstop2h 27m

Chicago O'Hare Intl

Sun 2/1

5:25 am-8:25 am

Nonstop2h 00m

$74

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 2/2

7:30 am-9:12 am

Nonstop2h 42m

Chicago O'Hare Intl

Wed 2/4

9:23 am-7:00 pm

1 stop8h 37m

$94

NewarkChicago

EWR - ORD

EWRORD

Newark

Wed 1/28

1:00 pm-9:03 pm

1 stop9h 03m

Chicago O'Hare Intl

Sun 2/1

4:38 pm-7:46 pm

Nonstop2h 08m

$95

Washington, D.C.Chicago

DCA - ORD

DCAORD

Washington, D.C. Reagan-National

Wed 2/25

6:00 am-12:04 pm

1 stop7h 04m

Chicago O'Hare Intl

Wed 3/4

10:00 am-4:04 pm

1 stop5h 04m

$184

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 2/7

12:25 pm-6:48 pm

Nonstop4h 23m

Chicago O'Hare Intl

Sat 2/14

12:46 pm-3:51 pm

Nonstop5h 05m

$255

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Sat 3/14

1:25 pm-9:34 pm

1 stop6h 09m

Chicago O'Hare Intl

Tue 3/17

11:10 am-7:19 pm

1 stop10h 09m

$257

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago O'Hare Intl Airport from

Flights to Chicago O'Hare Intl Airport - Travel Insights & Trends

Get data-powered insights and trends for flights to Chicago O'Hare Intl Airport to help you craft the best travel plan.

What cabin class options are available on United States to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on United States 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.

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 $291. 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 United States because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $366.

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 United States averaging around $221.

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 United States in the evening is the least expensive time of day to depart. momondo users have found prices as low as $271 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $365. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest United States to Chicago O'Hare Intl flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago O'Hare Intl for the best United States - 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 United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $237 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 United States for as low as $168 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport

Cheap Chicago O'Hare Intl Airport flight deals and tips

Summary info about Chicago O'Hare Intl Airport flight prices, duration and airlines

Best One-Way Price

$53

Best Round-Trip Price

$68

Fastest flight time

2h 28m

Popular in

August
The best one-way flight price to Chicago from United States in the last 72 hours is $53 (Dallas/Fort Worth to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from United States in the last 72 hours is $68 (Baltimore/Washington to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United States takes 2h 28m (Newark to Chicago O'Hare Intl).
Search Deals
August has the highest demand for flights to Chicago, with a 6% price increase on average.
Search Deals

Frequently asked questions about flying to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

From most locations, the cheapest flights to Chicago O'Hare Intl Airport can be found during the month of January; however great deals can be found at other times.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

Most flyers found that booking flight tickets 62 days in advance of their planned departure date is, on average, the best time to get cheap flights to Chicago O'Hare Intl Airport.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

From most locations, the cheapest flights to Chicago O'Hare Intl Airport are found on a Wednesday. Booking a Sunday departure is usually the most expensive.

What is the cheapest time of day to fly to Chicago O'Hare Intl Airport?

Our data shows that the cheapest Chicago O'Hare Intl Airport flights are usually those with Evening departure times. Noon flights are often costlier.

Is there an alternative airport near Chicago O'Hare Intl Airport?

Finding an alternative and possibly cheaper destination airport near Chicago O'Hare Intl Airport is possible. If you are planning a flight to Chicago O'Hare Intl Airport, consider booking flights to Chicago Midway Airport (9 mi from Chicago city center) or Chicago Greater Rockford Airport (79 mi from Chicago city center).

Is there a cheaper alternative to flying into Chicago?

The cheapest airport near Chicago is typically Chicago Greater Rockford Airport with an average price of $142/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

What is the absolute cheapest flight to Chicago?

Users booking trips to Chicago from Dallas found flights 60% cheaper than the average price of flights to Chicago. To find the cheapest price to Chicago from your area, use momondo’s Airport-to-Airport Pricing Tool.

What airlines fly to Chicago O'Hare Intl Airport?

American Airlines is the most popular airline offering flights to Chicago O'Hare Intl Airport, with 42% of our users opting to fly with them when traveling to Chicago O'Hare Intl Airport. Other popular options include United Airlines and Frontier. There are a total of 12 different airlines flying to Chicago O'Hare Intl Airport.

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

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

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

As of January 2026, there are 58 operators available to choose from for flights to Chicago O'Hare Intl Airport.

How old do you have to be to fly to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel to Chicago O'Hare Intl Airport.

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

The required travel and health documents for your Chicago O'Hare Intl Airport 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 O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Chicago O'Hare Intl Airport?

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

Why use momondo?

Why should I use momondo to find a flight deal 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 for you.

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

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

How can momondo help me find flights to Chicago?

Once you have performed a search for flights to Chicago, momondo helps you find the right flight 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 to Chicago right now. Can momondo alert me if prices change?

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

An easier way to manage your Chicago O'Hare Intl 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Wed 2/11
Wed 2/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago O'Hare Intl Airport ORD

Popular flights to Chicago O'Hare Intl Airport

Popular routes according to searches in the past day on momondo
Flights from Minneapolis St Paul to ORDfrom $183
Flights from Los Angeles to ORDfrom $168
Flights from Boston Logan Intl to ORDfrom $137
Flights from New York LaGuardia to ORDfrom $97
Flights from Newark to ORDfrom $111