$116 Cheap United flights Louisville (SDF) to Houston (IAH)

You can discover cheap return United Airlines flights from $231 from SDF to IAH by filtering your results from “Price (lowest to highest)” on Expedia. Or search for options from $116 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.

Search for round-trip or one-way flights to Houston in November or February. You could find cheaper fares with United Airlines during these off-season months.

Begin your search one to three months ahead of your travel date to get cheaper fares on United Airlines flights from Louisville Intl. Airport (SDF) to George Bush Intercontinental Airport (IAH). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it’s 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic flights.*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.

United Airlines operates direct flights from Louisville Intl. Airport (SDF) to George Bush Intercontinental Airport (IAH), with 20 departures each week. Just apply the “Nonstop” and “Airline” filters during your search on Expedia to find all direct United Airlines flights to IAH.

On average, it takes 2h 46m to fly nonstop from Louisville Intl. Airport (SDF) to George Bush Intercontinental Airport (IAH) with United Airlines.

Thursday has the most United Airlines flights from Louisville Intl. Airport (SDF) to George Bush Intercontinental Airport (IAH). With 3 daily departures, this is the best day to book something that will fit your plans.

The earliest United Airlines flight from SDF to IAH takes off at 7:03AM UTC-5, arriving at 8:49AM UTC-6. If you want to set off later, the last United Airlines flight leaves SDF at 3:30PM UTC-5 and lands at IAH at 5:14PM UTC-6. Flying before noon is often a wise choice as morning and mid-morning flights are least 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.

United Airlines flights from Louisville Intl. Airport (SDF) to Houston touch down at George Bush Intercontinental Airport (IAH) and William P. Hobby Airport (HOU). The primary Houston hub serviced by this carrier is IAH. It’s worth comparing flights arriving at nearby airports on Expedia as you may find cheaper prices.

Travel from SDF to IAH with United Airlines and enjoy a range of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to use on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You’ll likely be onboard an Embraer 175 or a Bombardier CRJ900 when flying United Airlines from Louisville Intl. Airport (SDF) to George Bush Intercontinental Airport (IAH). However, keep in mind that a different plane may be used depending on operational reasons.

Changes are usually free within 24 hours of booking, but your airline may charge you after that. For more details about altering your reservation, head to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to adjust your plans without extra charges, check the “No cancel fee” or “Changes included” filter when organizing your next break.