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

$88+ Cheap flights from George Bush Intcntl (IAH) 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 7/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — ORD
Jul 23 — Jul 301
Thu 7/23
Thu 7/30
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl 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 Houston George Bush Intcntl to Chicago O'Hare Intl are usually found in September or October, booked 64 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from George Bush Intcntl to O'Hare Intl

Cheapest flights from George Bush Intcntl to O'Hare Intl
Explore the most affordable flight options available from George Bush Intcntl to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.

This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/149:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Sat 7/185:46 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/20$149
This Frontier deal was found by Cheapflights users on 6/19. 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 8/69:42 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Mon 8/105:30 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/19$151
This Expedia deal was found by Cheapflights users on 6/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/19:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Tue 8/49:57 pm
ORD
-
IAH
1 stop12h 37m
Frontier
Deal found 6/20$154
This Frontier deal was found by Cheapflights users on 6/21. 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.
Mon 8/39:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Wed 8/125:30 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/21$155
This Super.com deal was found by Cheapflights users on 6/21. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:42 pm
IAH
-
ORD
Nonstop2h 52m
Frontier
Mon 9/142:46 pm
ORD
-
IAH
Nonstop3h 01m
Frontier
Deal found 6/21$156
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/89:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Tue 7/145:46 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/19$157
This Super.com deal was found by Cheapflights users on 6/19. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/181:19 pm
IAH
-
ORD
Nonstop2h 57m
Frontier
Fri 8/215:46 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/19$158
This Frontier deal was found by Cheapflights users on 6/21. 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.
Tue 8/48:02 pm
IAH
-
ORD
1 stop12h 00m
Frontier
Tue 8/115:30 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/21$159
This Kiwi.com deal was found by Cheapflights users on 6/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/159:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Mon 7/208:05 am
ORD
-
IAH
1 stop30h 45m
Frontier
Deal found 6/23$161
This Kiwi.com deal was found by Cheapflights users on 6/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/299:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Thu 8/65:30 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/20$162
This Frontier deal was found by Cheapflights users on 6/18. 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.
Sat 8/19:58 pm
IAH
-
ORD
Nonstop2h 51m
Frontier
Sat 8/85:30 pm
ORD
-
IAH
Nonstop3h 17m
Frontier
Deal found 6/18$163

Find flight deals from George Bush Intcntl to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 June 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$88
(Super.com)

Popular in

March

Cheapest in

September

Average price

$366

Good round-trip deal

$291 or less

Good one-way deal

$145 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Chicago O'Hare Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Chicago O'Hare Intl flights.
Search Deals
From Houston George Bush Intcntl to Chicago O'Hare Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Chicago O'Hare Intl.
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to Chicago O'Hare Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 June 23, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Tue 7/21

9:41 am-8:31 pm

2 stops10h 50m

Chicago O'Hare Intl

Wed 7/22

2:07 pm-10:24 pm

1 stop8h 17m

$234

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 9/12

5:30 am-10:37 am

1 stop5h 07m

Chicago O'Hare Intl

Mon 9/14

8:55 am-2:25 pm

1 stop5h 30m

$237

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 9/19

7:00 am-2:32 pm

1 stop7h 32m

Chicago O'Hare Intl

Mon 9/21

5:30 am-1:32 pm

1 stop8h 02m

$245

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 8/12

3:15 pm-8:30 pm

1 stop5h 15m

Chicago O'Hare Intl

Tue 8/18

6:00 am-2:20 pm

2 stops8h 20m

$250

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Sat 8/22

2:37 pm-8:55 pm

1 stop6h 18m

Chicago O'Hare Intl

Mon 8/24

1:59 pm-11:52 pm

2 stops9h 53m

$250

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Mon 8/3

9:45 am-9:47 pm

2 stops12h 02m

Chicago O'Hare Intl

Wed 8/12

7:00 am-3:42 pm

2 stops8h 42m

$274

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 7/29

11:32 am-7:30 pm

2 stops7h 58m

Chicago O'Hare Intl

Fri 7/31

6:30 am-1:14 pm

1 stop6h 44m

$279

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Thu 9/10

5:30 am-5:33 pm

2 stops12h 03m

Chicago O'Hare Intl

Mon 9/14

1:55 pm-11:56 pm

2 stops10h 01m

$282

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Fri 8/28

6:36 pm-11:57 pm

1 stop5h 21m

Chicago O'Hare Intl

Mon 8/31

6:00 am-3:42 pm

2 stops9h 42m

$287
Quickest round-trip

HoustonChicago

IAH - ORD

IAHORD

Houston George Bush Intcntl

Wed 7/22

6:10 am-9:05 am

Nonstop2h 55m

Chicago O'Hare Intl

Wed 7/22

9:40 pm-12:34 am

Nonstop2h 54m

$289

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/22

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from George Bush Intcntl to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to O'Hare Intl in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
eDreamsPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*1 star
Super.comPrice Accuracy-Trust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

The best time to book flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (average of $158). Flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $373). 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 IAH to ORD?

Find hourly flight availability from George Bush Intcntl 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 June 23, 2026.

When flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 70% versus a flight at noon.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to O'Hare Intl. Price data was last updated on June 20, 2026.

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flight should consider departing on Tuesday evenings 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.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

The best insider tips for Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport trip
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on ORD

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
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more

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 June 23, 2026.
See what other customers who have flown with United Airlines,American Airlines, andFrontier from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,879 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,879 reviews
United Airlines
7.4
Good
9,879 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.1
Good
11,750 reviews
United Airlines
7.4
Good
9,879 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.6
Fair
2,867 reviews
United Airlines
7.4
Good
9,879 reviews

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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.

  • How long is the flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Airlines like Delta fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport in about 10h 50m. The time it takes to get you to your destination can typically vary by up to . The distance from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport is about 926 mi.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport round-trip?

    Currently priced at $59, Frontier will fly you from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $172 and $190, respectively. Frontier is 77% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport one-way?

    $44 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $88 and $89, respectively.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Before booking your flight to Chicago O'Hare Intl Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Japan Airlines (83%), ANA (77%), Cathay Pacific( 77%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    On average you can expect to pay $817 for a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport. The cheapest flight overall is $96 while the most popular route, (Houston George Bush Intcntl - Chicago O'Hare Intl) is currently priced at $162.

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

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

  • How can I find direct flights from George Bush Intcntl 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 George Bush Intcntl to O'Hare Intl.

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

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport (average of $158). Flying from Houston George Bush Intcntl Airport to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $373). 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
Benton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Gurnee
Delavan
Oakbrook Terrace
Downers Grove
Des Plaines
Oak Brook
South Holland
Libertyville
Hoffman Estates
Warrenville
Rockford
Racine
Great Lakes
Northbrook
Waukegan

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.

Alternative routes for George Bush Intcntl to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to O'Hare Intl flights
Hobby to Midway flights
George Bush Intcntl to Midway flights

Top 3 airlines flying from George Bush Intcntl to O'Hare Intl

Discover the top 3 airlines that operate flights from George Bush Intcntl 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 June 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$59Average$174FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$172Average$290FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$190Average$429FlexibilityNo 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.