HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$79+ Cheap flights from Charleston (CHS) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
CHS — ORD
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Charleston to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Charleston to Chicago O'Hare Intl are usually found in August or September, booked 46 days in advance, depart on a Friday or Thursday and return on a Tuesday

Cheap flight deals from Charleston to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Charleston (CHS) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated August 14, 2025.

Round-trip from

$173
(FlightHub)

One-way from

$79
(FlightHub)

Popular in

March

Cheapest in

August

Average price

$292

Good round-trip deal

$287 or less

Good one-way deal

$165 or less
From Charleston to Chicago O'Hare Intl
Search Deals
One-way flight from Charleston to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals
Price to beat on a round-trip flight from Charleston to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Charleston to Chicago O'Hare Intl.
Search Deals

Find flight deals from Charleston to O'Hare Intl

Cheapest flights from Charleston to O'Hare Intl
Explore the most affordable flight options available from Charleston to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:53 amCHS - ORD
1 stop9h 41mFrontier
Sun 10/1911:51 amORD - CHS
1 stop25h 39mFrontier
Deal found 8/14$173
This Mytrip deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/810:10 amCHS - ORD
1 stop8h 29mSpirit Airlines
Thu 9/116:44 pmORD - CHS
1 stop13h 21mSpirit Airlines
Deal found 8/14$177
This Priceline deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:10 amCHS - ORD
1 stop8h 29mMultiple Airlines
Sun 9/76:10 amORD - CHS
1 stop7h 21mMultiple Airlines
Deal found 8/14$178
This Priceline deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/2512:08 pmCHS - ORD
1 stop6h 31mMultiple Airlines
Sun 9/286:10 amORD - CHS
1 stop7h 21mMultiple Airlines
Deal found 8/13$182
This Priceline deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:31 amCHS - ORD
1 stop8h 53mMultiple Airlines
Sun 11/25:01 amORD - CHS
1 stop8h 30mMultiple Airlines
Deal found 8/14$184
This Frontier deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/43:26 pmCHS - ORD
2 stops9h 44mFrontier
Sun 9/76:10 amORD - CHS
1 stop7h 21mFrontier
Deal found 8/14$187
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/510:10 amCHS - ORD
1 stop25h 42mSpirit Airlines
Wed 9/1011:57 amORD - CHS
1 stop21h 48mSpirit Airlines
Deal found 8/14$191
This FlightHub deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2310:31 amCHS - ORD
1 stop8h 53mMultiple Airlines
Sun 10/2611:51 amORD - CHS
1 stop25h 39mMultiple Airlines
Deal found 8/14$192
This FlightHub deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:10 amCHS - ORD
1 stop8h 29mSpirit Airlines
Wed 10/16:44 pmORD - CHS
1 stop15h 01mSpirit Airlines
Deal found 8/13$197
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/112:00 pmCHS - ORD
Nonstop2h 30mAmerican Airlines
Sat 10/42:19 pmORD - CHS
Nonstop2h 25mAmerican Airlines
Deal found 8/13$203
This JetBlue deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/11:02 pmCHS - ORD
1 stop6h 53mJetBlue
Sat 10/48:34 amORD - CHS
1 stop8h 31mJetBlue
Deal found 8/13$205

Cheapflights Fare Finder

 
Customize your flight search to find flights from Charleston to O'Hare Intl 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, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Charleston to Chicago O'Hare Intl Airport that are best for you.

Fly from

Charleston

Fly to

O'Hare Intl

Route

Depart

Return

Price

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 10/17

8:53 am-5:34 pm

1 stop9h 41m

Chicago O'Hare Intl

Sun 10/19

11:51 am-2:30 pm

1 stop25h 39m

$173

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 9/5

10:10 am-5:39 pm

1 stop8h 29m

Chicago O'Hare Intl

Sun 9/7

6:10 am-2:31 pm

1 stop7h 21m

$178

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 9/25

12:08 pm-5:39 pm

1 stop6h 31m

Chicago O'Hare Intl

Sun 9/28

6:10 am-2:31 pm

1 stop7h 21m

$182

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 10/30

10:31 am-6:24 pm

1 stop8h 53m

Chicago O'Hare Intl

Sun 11/2

5:01 am-2:31 pm

1 stop8h 30m

$184

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 9/4

12:08 pm-5:39 pm

1 stop6h 31m

Chicago O'Hare Intl

Sun 9/7

6:10 am-2:31 pm

1 stop7h 21m

$186

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 10/31

7:37 pm-11:30 am

2 stops16h 53m

Chicago O'Hare Intl

Sun 11/2

5:01 am-2:31 pm

1 stop8h 30m

$187

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Tue 9/9

12:00 pm-1:30 pm

Nonstop2h 30m

Chicago O'Hare Intl

Tue 9/16

2:19 pm-5:44 pm

Nonstop2h 25m

$189

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 9/5

10:10 am-10:52 am

1 stop25h 42m

Chicago O'Hare Intl

Wed 9/10

11:57 am-10:45 am

1 stop21h 48m

$191

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Fri 9/12

10:10 am-10:52 am

1 stop25h 42m

Chicago O'Hare Intl

Sat 9/13

6:44 pm-10:45 am

1 stop15h 01m

$191

CharlestonChicago

CHS - ORD

CHSORD

Charleston

Thu 10/23

10:31 am-6:24 pm

1 stop8h 53m

Chicago O'Hare Intl

Sun 10/26

11:51 am-2:30 pm

1 stop25h 39m

$192

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

Showing 1-10 of 21 results
1
2
3

The best insider tips for Charleston to Chicago O'Hare Intl Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Charleston to Chicago O'Hare Intl Airport trip
Airports
CHS

For early flights, expect long security lines at CHS. Arrive early to ensure a smooth departure experience.

Read more about CHSby Ramsey Qubein
ORD

After arriving at ORD, consider taking the “L” train for a quick and efficient trip to downtown Chicago.

Read more about ORDby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on ORD and CHS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Charleston to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Charleston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Charleston to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Charleston to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Charleston to O'Hare Intl. Price data was last updated on August 8, 2025.

To ensure you get the cheapest price possible for a flight from Charleston to Chicago O'Hare Intl Airport, you should look to book at least 46 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Charleston to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Charleston to Chicago O'Hare Intl Airport (average of $245). Flying from Charleston to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHS to ORD?

Find hourly flight availability from Charleston to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s optimal to fly from Charleston to Chicago O'Hare Intl Airport in the evening. By choosing this option you can save up to 35% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Charleston to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Charleston to O'Hare Intl. Price data was last updated on August 10, 2025.

Travelers seeking maximum savings on their Charleston to Chicago O'Hare Intl Airport flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with United Airlines and American Airlines from Charleston to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Boarding

7.7

Comfort

7.3

Entertainment

7.1

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from Charleston to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Charleston to Chicago O'Hare Intl?

    If you book a flight to Chicago O'Hare Intl from Charleston, you will be flying from Charleston, which is the city’s only airport. Charleston (CHS) is located 10.2 mi from the center of Charleston. There are 11 flights from Charleston to Chicago O'Hare Intl per day from 2 different airlines.

  • What are the cheapest airlines flying from Charleston to Chicago O'Hare Intl Airport round-trip?

    Currently priced at $135, American Airlines will fly you from Charleston to Chicago O'Hare Intl Airport and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $257. American Airlines is priced at 64% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Charleston to Chicago O'Hare Intl Airport?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Charleston to Chicago O'Hare Intl Airport on time: ANA (88%), Envoy Air (87%), Qatar Airways (86%).

  • What are the cheapest flights from Charleston to Chicago O'Hare Intl Airport?

    Looking at all options, your cheapest flight can be booked for $90. While the most popular route (Charleston - Chicago O'Hare Intl) can be booked for $182 on average our data indicates $1,946 when flying from Charleston to Chicago O'Hare Intl Airport.

  • Can I find deals for flights from Charleston to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Charleston to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Charleston to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Charleston to O'Hare Intl.

  • Can I find deals for business class flights from Charleston to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Charleston to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Charleston to Chicago O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Charleston to Chicago O'Hare Intl Airport (average of $245). Flying from Charleston to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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
Schaumburg
Rosemont
Beloit
Hoffman Estates
Skokie
Des Plaines
Elgin
Gurnee
Arlington Heights
Racine
Rockford
Great Lakes
Orland Park
Merrillville
Naperville
Waukegan
Elk Grove Village
Downers Grove
Tinley Park
Evanston

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 2 airlines flying from Charleston to O'Hare Intl

Discover the top 2 airlines that operate flights from Charleston to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$135Average$350FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$257Average$417FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.