$111 Find Cheap Flights from Houston George Bush Airport to Louisville - Compare and Save

Among airlines operating Houston George Bush Intcntl Airport to Louisville flights:

• United Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Houston George Bush Intcntl Airport and Louisville.

Flights from Houston George Bush Intcntl Airport to Louisville usually depart from Houston George Bush Intcntl (IAH) and arrive at Louisville Intl (SDF).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in First Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Houston George Bush Intcntl Airport to Louisville:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $205 round-trip via Detroit Metropolitan Wayne County (DTW), compared to $495 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

One-stop flights from Houston George Bush Intcntl Airport to Louisville most commonly connect through:

• Dallas/Fort Worth (DFW) - 45% of one-stop connections
• Fort Lauderdale (FLL) - 30% of one-stop connections
• Atlanta Hartsfield-Jackson (ATL) - 18% of one-stop connections
• Charlotte Douglas (CLT) - 3% of one-stop connections

Dallas/Fort Worth (DFW) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 43% on the Houston George Bush Intcntl Airport to Louisville route. Thursday is the cheapest departure day at $393 round-trip on average, while Monday is the most expensive at $685, a difference of $292. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Houston George Bush Intcntl Airport to Louisville flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

Some of the most popular sights in Louisville are Louisville Waterfront Park and Masonic Widows and Orphans Home. These are among the most viewed places in Louisville on KAYAK.

These are the earliest and latest flight times available from Houston George Bush Intcntl Airport to Louisville:

• Earliest: departs at 9:45 am and lands at 12:09 pm
• Latest: departs at 6:50 pm and lands at 9:14 pm.

The flight takes about 2h 24m.

Last-minute fares on this route - booked within 2 weeks of departure - run 75% above the route average of $449. Book 20 weeks before departure for the lowest fares.

A nonstop flight from Houston George Bush Intcntl Airport to Louisville takes 2h 24m, covering 787 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $214 to $1,177. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Houston George Bush Intcntl Airport to Louisville are currently lower than usual. Average one-way flight prices are about $125, which is 57% below the typical average for this route.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 4h 54m, compared with 5h 19m via Atlanta Hartsfield-Jackson (ATL) and 5h 51m via Charlotte Douglas (CLT).

Louisville is 1 hour ahead of Houston George Bush Intcntl Airport (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

Louisville Intl Airport (SDF) hosts 5 major car rental companies, with daily rates starting from around $32 for economy cars. Top options include:
• Hertz
• Dollar
• Alamo
• Thrifty
• Budget

Round-trip flights from Houston George Bush Intcntl Airport to Louisville range from $369 to $692, with an average of $449 over the past 12 months. Anything below $369 counts as a good deal.

JetBlue is the only airline on the Houston George Bush Intcntl Airport to Louisville route offering in-flight Wi-Fi. Pricing depends on fare class.