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Flights to Chicago O'Hare Intl

$89 Cheap flights to Chicago O'Hare Intl Airport

1 adult
1 adult, Economy, 0 bags

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

Cheap round-trip flights

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Frontier Logo
9:09 pm - 10:43 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 34mnonstop
Frontier Logo
5:12 pm - 12:53 amORD  Chicago O'Hare Intl-PHL Philadelphia
6h 41m1 stop Orlando
$176Frontier
Fri, Nov 13 - Wed, Nov 25
Frontier Logo
9:58 am - 11:21 amBWI  Baltimore/Washington-ORD Chicago O'Hare Intl
2h 23mnonstop
Frontier Logo
6:00 am - 9:03 amORD  Chicago O'Hare Intl-BWI Baltimore/Washington
2h 03mnonstop
$176Frontier
Thu, Oct 22 - Fri, Oct 23
American Airlines Logo
12:47 pm - 2:20 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 33mnonstop
American Airlines Logo
5:47 pm - 9:00 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 13mnonstop
$180American Airlines
Wed, Nov 11 - Wed, Nov 11
United Airlines Logo
4:05 pm - 9:30 pmDCA  Washington, D.C. Reagan-National-ORD Chicago O'Hare Intl
6h 25m1 stop Newark
United Airlines Logo
7:45 am - 10:53 amORD  Chicago O'Hare Intl-DCA Washington, D.C. Reagan-National
2h 08mnonstop
$181United Airlines
Tue, Nov 3 - Sat, Nov 7
United Airlines Logo
6:15 am - 7:51 amPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 36mnonstop
United Airlines Logo
8:50 am - 12:04 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 14mnonstop
$185United Airlines
Wed, Oct 28 - Sat, Oct 31
American Airlines Logo
9:02 pm - 10:30 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
2h 28mnonstop
American Airlines Logo
7:20 pm - 10:44 pmORD  Chicago O'Hare Intl-PHL Philadelphia
2h 24mnonstop
$185American Airlines
Wed, Oct 28 - Tue, Nov 3
Multiple Airlines Logo
12:21 am - 6:34 amLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 13mnonstop
Multiple Airlines Logo
9:00 am - 5:59 pmORD  Chicago O'Hare Intl-LAX Los Angeles
10h 59m1 stop Seattle/Tacoma Intl
$198Multiple Airlines
Fri, Oct 16 - Tue, Oct 20
Multiple Airlines Logo
12:21 am - 6:34 amLAX  Los Angeles-ORD Chicago O'Hare Intl
4h 13mnonstop
Multiple Airlines Logo
9:00 am - 5:03 pmORD  Chicago O'Hare Intl-LAX Los Angeles
10h 03m1 stop Seattle/Tacoma Intl
$198Multiple Airlines
Tue, Oct 13 - Sat, Oct 17
Delta Logo
6:30 am - 12:20 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
6h 50m1 stop Atlanta Hartsfield-Jackson
Delta Logo
5:05 pm - 11:15 pmORD  Chicago O'Hare Intl-PHL Philadelphia
5h 10m1 stop Detroit Metropolitan Wayne County
$205Delta
Wed, Nov 18 - Wed, Nov 18
Delta Logo
7:22 pm - 11:59 pmPHL  Philadelphia-ORD Chicago O'Hare Intl
5h 37m1 stop Atlanta Hartsfield-Jackson
Delta Logo
9:50 am - 4:19 pmORD  Chicago O'Hare Intl-PHL Philadelphia
5h 29m1 stop Detroit Metropolitan Wayne County
$205Delta
Wed, Dec 30 - Wed, Jan 6

momondo Fare Finder

 
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

Cheapest round-trip

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Fri 11/13

9:09 pm-10:43 pm

Nonstop2h 34m

Chicago O'Hare Intl

Wed 11/25

5:12 pm-12:53 am

1 stop6h 41m

$176
Quickest round-trip

BaltimoreChicago

BWI Baltimore/Washington - ORD Chicago O'Hare Intl

BWIORD

Baltimore/Washington

Thu 10/22

9:58 am-11:21 am

Nonstop2h 23m

Chicago O'Hare Intl

Fri 10/23

6:00 am-9:03 am

Nonstop2h 03m

$176

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 11/11

12:47 pm-2:20 pm

Nonstop2h 33m

Chicago O'Hare Intl

Wed 11/11

5:47 pm-9:00 pm

Nonstop2h 13m

$180

Washington, D.C.Chicago

DCA Washington, D.C. Reagan-National - ORD Chicago O'Hare Intl

DCAORD

Washington, D.C. Reagan-National

Tue 11/3

4:05 pm-9:30 pm

1 stop6h 25m

Chicago O'Hare Intl

Sat 11/7

7:45 am-10:53 am

Nonstop2h 08m

$181

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 10/28

6:15 am-7:51 am

Nonstop2h 36m

Chicago O'Hare Intl

Sat 10/31

8:50 am-12:04 pm

Nonstop2h 14m

$185

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 10/28

9:02 pm-10:30 pm

Nonstop2h 28m

Chicago O'Hare Intl

Tue 11/3

7:20 pm-10:44 pm

Nonstop2h 24m

$185

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Fri 10/16

12:21 am-6:34 am

Nonstop4h 13m

Chicago O'Hare Intl

Tue 10/20

9:00 am-5:59 pm

1 stop10h 59m

$198

Los AngelesChicago

LAX Los Angeles - ORD Chicago O'Hare Intl

LAXORD

Los Angeles

Tue 10/13

12:21 am-6:34 am

Nonstop4h 13m

Chicago O'Hare Intl

Sat 10/17

9:00 am-5:03 pm

1 stop10h 03m

$198

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 11/18

6:30 am-12:20 pm

1 stop6h 50m

Chicago O'Hare Intl

Wed 11/18

5:05 pm-11:15 pm

1 stop5h 10m

$205

PhiladelphiaChicago

PHL Philadelphia - ORD Chicago O'Hare Intl

PHLORD

Philadelphia

Wed 12/30

7:22 pm-11:59 pm

1 stop5h 37m

Chicago O'Hare Intl

Wed 1/6

9:50 am-4:19 pm

1 stop5h 29m

$205

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 Airport flights?

There are 4 cabin classes available to choose from on United States to Chicago O'Hare Intl Airport 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 Saturday when prices can be found for as low as $331. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday 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 $412.

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 $283.

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 $331 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $372. 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 $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 United States for as low as $177 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 ANGELESOctober17% cheaperFlying from Los Angeles to Chicago O'Hare Intl Airport costs on average just $301 in October
MOST EXPENSIVE MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LOS ANGELESJune21% more expensiveIt costs about $437 for flights to Chicago O'Hare Intl Airport from Los Angeles in June
MOST POPULAR MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LOS ANGELESJuly202% more users visitedMore momondo users searched in flights to Chicago O'Hare Intl Airport from Los Angeles in July 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

$89

Best Round-Trip Price

$176

Fastest flight time

2h 28m

Popular in

June
The best one-way flight price to Chicago from United States in the last 5 days is $89 (Washington, D.C. Reagan-National to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from United States in the last 5 days is $176 (Philadelphia to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United States takes 2h 28m (Philadelphia to Chicago O'Hare Intl).
Search Deals
June has the highest demand for flights to Chicago, with a 7% 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 85 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 Saturday. Booking a Monday 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 $166/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 Orlando found flights 52% 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?

United Airlines is the most popular airline offering flights to Chicago O'Hare Intl Airport, with 45% of our users opting to fly with them when traveling to Chicago O'Hare Intl Airport. Other popular options include American Airlines and Frontier. There are a total of 9 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 2026, 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
Schaumburg
Merrillville
Rockford
South Haven
Rosemont
Gurnee
Oak Brook
Orland Park
Joliet
Naperville
New Buffalo
Kenosha
Hammond
Aurora
Racine
Elgin
Janesville
Evanston
Skokie

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

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