$99 Cheap United flights Columbus (CMH) to Houston (IAH)

View $99 flight on Mon, Aug 4, 2025Opens in a new window

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$99 Cheap United flights Columbus (CMH) to Houston (IAH)

Prices were available within the past 7 days and start at $99 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Sep 17 - Fri, Sep 26
CMH
Columbus
IAH
Houston
$187 Roundtrip, found 2 hours ago
$187
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 17 from Columbus to Houston, returning Fri, Sep 26, priced at $187 found 2 hours ago
United
Tue, Sep 9 - Wed, Sep 17
CMH
Columbus
IAH
Houston
$191 Roundtrip, found 4 hours ago
$191
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Sep 9 from Columbus to Houston, returning Wed, Sep 17, priced at $191 found 4 hours ago
United
Wed, Sep 17 - Fri, Sep 26
CMH
Columbus
IAH
Houston
$197 Roundtrip, found 2 hours ago
$197
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Sep 17 from Columbus to Houston, returning Fri, Sep 26, priced at $197 found 2 hours ago
United
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
IAH
Houston
$197 Roundtrip, just found
$197
Roundtrip
just found
Select United flight, departing Thu, Aug 21 from Columbus to Houston, returning Mon, Aug 25, priced at $197 just found
United
Thu, Aug 21 - Mon, Aug 25
CMH
Columbus
IAH
Houston
$207 Roundtrip, just found
$207
Roundtrip
just found
Select United flight, departing Thu, Aug 21 from Columbus to Houston, returning Mon, Aug 25, priced at $207 just found
United
Thu, Aug 7 - Mon, Aug 11
CMH
Columbus
IAH
Houston
$210 Roundtrip, just found
$210
Roundtrip
just found
Select United flight, departing Thu, Aug 7 from Columbus to Houston, returning Mon, Aug 11, priced at $210 just found
Flights from Columbus (CMH) to Houston (IAH)
Origin airport
John Glenn Columbus Intl.
Destination airport
George Bush Intercontinental
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Spirit Airlines, United
Popular airline
American Airlines
Distance
985 mi
Average flight time
1 hour 55 mins

Frequently asked questions

How much is a United Airlines flight from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH)?
Grab cheap return United Airlines flights from $187 from CMH to IAH by filtering your results from "Price (lowest to highest)" on Expedia. Or search for options from $99 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from CMH to IAH with United Airlines?
Look for one-way or return flights to Houston in November or February. You could find a cheap fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH) with United Airlines?
For cheap United Airlines fares from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH), start searching one to three months before your intended departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also influence the cost. Sunday is generally the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH)?
United Airlines offers direct flights from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH), with 13 weekly departures. Simply select the "Nonstop" and "Airline" filters during your search on Expedia to find all direct United Airlines flights to IAH.
How long does it take to fly from CMH to IAH with United Airlines?
Leave John Glenn Columbus Intl. Airport (CMH) for George Bush Intercontinental Airport (IAH) on a nonstop United Airlines flight, and you'll be in the skies for around 3h 10m.
Which day of the week has the most United Airlines flights from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH)?
If it's flexibility you're after, Thursday offers the most choice for United Airlines flights from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH). You can select from 2 different departures.
What is the earliest United Airlines flight from CMH to IAH?
The first United Airlines flight from CMH to IAH takes off at 6:25AM UTC-5, touching down at 8:35AM UTC-6. If you prefer to head off later, the last United Airlines flight leaves CMH at 4:48PM UTC-5 and lands at IAH at 6:58PM UTC-6. Flying earlier is generally a smart choice as morning and mid-morning flights are less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Houston?
George Bush Intercontinental Airport (IAH) is the main gateway for United Airlines flights from John Glenn Columbus Intl. Airport (CMH) to Houston. But the airline also travels to William P. Hobby Airport (HOU). Be sure to tick the "All Airports" option for your destination to see exactly what's available for your getaway to Houston.
Why fly with United Airlines from CMH to IAH?
Offering a rewarding loyalty program, United Airlines is a popular choice for many travelers flying from CMH to IAH. Plus, as a United Mileage Plus and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH)?
United Airlines usually operates Airbus A319 planes for journeys from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH). Keep in mind that aircraft type can differ depending on operational demands, so the plane you catch might be different on the day.
Can I change or cancel my United Airlines flight from John Glenn Columbus Intl. Airport (CMH) to George Bush Intercontinental Airport (IAH)?
Depending on the type of ticket you purchased, a fee will generally apply if you cancel or change your booking more than 24 hours after it's confirmed. To find tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when you search for flights. For more information on canceling or modifying your reservation, head to "Trips," select your flight and click on "Manage Booking."

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