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Flights to Chicago O'Hare Intl

$48 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 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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Find the cheapest flights from the United States to Chicago O'Hare Intl Airport

Cheap round-trip flights

Frontier Logo
3:26 pm - 4:45 pmATL-ORD
2h 19mnonstop
Frontier Logo
5:10 am - 8:19 amORD-ATL
2h 09mnonstop
$79Frontier
Find Deal
Sat, Sep 27 - Sun, Oct 5
Frontier Logo
2:32 pm - 3:50 pmATL-ORD
2h 18mnonstop
Frontier Logo
5:05 am - 8:13 amORD-ATL
2h 08mnonstop
$80Frontier
Find Deal
Fri, Oct 3 - Sun, Oct 12
Spirit Airlines Logo
9:05 am - 11:33 amDFW-ORD
2h 28mnonstop
Spirit Airlines Logo
11:55 am - 12:10 amORD-DFW
12h 15m1 stop
$115Spirit Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
Spirit Airlines Logo
9:05 am - 11:33 amDFW-ORD
2h 28mnonstop
Spirit Airlines Logo
7:43 pm - 9:45 amORD-DFW
14h 02m1 stop
$116Spirit Airlines
Find Deal
Thu, Oct 16 - Thu, Oct 23
United Airlines Logo
7:00 am - 9:37 amDFW-ORD
2h 37mnonstop
United Airlines Logo
7:35 pm - 10:15 pmORD-DFW
2h 40mnonstop
$127United Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 11
American Airlines Logo
8:35 am - 10:32 amBOS-ORD
2h 57mnonstop
American Airlines Logo
5:36 pm - 9:00 pmORD-BOS
2h 24mnonstop
$133American Airlines
Find Deal
Tue, Sep 30 - Tue, Sep 30
United Airlines Logo
8:00 am - 9:55 amBOS-ORD
2h 55mnonstop
United Airlines Logo
6:30 am - 9:57 amORD-BOS
2h 27mnonstop
$134United Airlines
Find Deal
Sat, Oct 4 - Sun, Oct 5
American Airlines Logo
7:40 am - 9:27 amJFK-ORD
2h 47mnonstop
American Airlines Logo
10:11 am - 1:30 pmORD-JFK
2h 19mnonstop
$137American Airlines
Find Deal
Tue, Oct 14 - Tue, Oct 21
Delta Logo
7:50 pm - 9:46 pmBOS-ORD
2h 56mnonstop
Delta Logo
7:10 am - 10:37 amORD-BOS
2h 27mnonstop
$157Delta
Find Deal
Fri, Dec 12 - Sun, Dec 14
Delta Logo
8:00 am - 9:56 amJFK-ORD
2h 56mnonstop
Delta Logo
7:00 am - 10:24 amORD-JFK
2h 24mnonstop
$167Delta
Find Deal
Wed, Oct 1 - Sat, Oct 4

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 September 14, 2025.
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

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Sat 9/27

3:26 pm-4:45 pm

Nonstop2h 19m

Chicago O'Hare Intl

Sun 10/5

5:10 am-8:19 am

Nonstop2h 09m

$79

AtlantaChicago

ATL - ORD

ATLORD

Atlanta Hartsfield-Jackson

Fri 10/3

2:32 pm-3:50 pm

Nonstop2h 18m

Chicago O'Hare Intl

Sun 10/12

5:05 am-8:13 am

Nonstop2h 08m

$80

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 10/16

9:05 am-11:33 am

Nonstop2h 28m

Chicago O'Hare Intl

Mon 10/20

11:55 am-12:10 am

1 stop12h 15m

$115

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 10/16

9:05 am-11:33 am

Nonstop2h 28m

Chicago O'Hare Intl

Thu 10/23

7:43 pm-9:45 am

1 stop14h 02m

$116

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 10/11

7:00 am-9:37 am

Nonstop2h 37m

Chicago O'Hare Intl

Sat 10/11

7:35 pm-10:15 pm

Nonstop2h 40m

$127

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Tue 9/30

8:35 am-10:32 am

Nonstop2h 57m

Chicago O'Hare Intl

Tue 9/30

5:36 pm-9:00 pm

Nonstop2h 24m

$133

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Sat 10/4

8:00 am-9:55 am

Nonstop2h 55m

Chicago O'Hare Intl

Sun 10/5

6:30 am-9:57 am

Nonstop2h 27m

$134

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Tue 10/14

7:40 am-9:27 am

Nonstop2h 47m

Chicago O'Hare Intl

Tue 10/21

10:11 am-1:30 pm

Nonstop2h 19m

$137

BostonChicago

BOS - ORD

BOSORD

Boston Logan Intl

Fri 12/12

7:50 pm-9:46 pm

Nonstop2h 56m

Chicago O'Hare Intl

Sun 12/14

7:10 am-10:37 am

Nonstop2h 27m

$157

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 10/1

8:00 am-9:56 am

Nonstop2h 56m

Chicago O'Hare Intl

Sat 10/4

7:00 am-10:24 am

Nonstop2h 24m

$167

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 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 $297. 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 $389.

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 $217.

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 $259 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 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 $252 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 $200 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport
Find flights from Los Angeles to Chicago O'Hare Intl Airport
CHEAPEST MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LOS ANGELESFebruary13% cheaperFlying from Los Angeles to Chicago O'Hare Intl Airport costs on average just $263 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LOS ANGELESDecember24% more expensiveIt costs about $373 for flights to Chicago O'Hare Intl Airport from Los Angeles in December
MOST POPULAR MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LOS ANGELESOctober131% more users visitedMore momondo users searched in flights to Chicago O'Hare Intl Airport from Los Angeles in October than any other month

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

$48

Best Round-Trip Price

$79

Fastest flight time

2h 12m

Popular in

August
The best one-way flight price to Chicago from United States in the last 72 hours is $48 (Atlanta Hartsfield-Jackson to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from United States in the last 72 hours is $79 (Atlanta Hartsfield-Jackson to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United States takes 2h 12m (Atlanta Hartsfield-Jackson to Chicago O'Hare Intl).
Search Deals
August has the highest demand for flights to Chicago, with a 5% 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 84 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 $173/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 Newark found flights 70% 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 43% of our users opting to fly with them when traveling to Chicago O'Hare Intl Airport. Other popular options include United Airlines and Spirit Airlines. 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 September 2025, there are 57 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
South Haven
Rockford
Schaumburg
Merrillville
Gurnee
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Racine
Hammond
Orland Park
Tinley Park
Elgin
Aurora
Janesville
Benton Harbor

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.

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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
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Flights from San Francisco to ORDfrom $203
Flights from Minneapolis St Paul to ORDfrom $93