Louisville (SDF) to Houston (IAH) flights
One airline flies nonstop from Louisville (SDF) to Houston (IAH): United Airlines. The two airports are 788 miles (1,268 km) apart. United Airlines is in Star Alliance. There are also 18 ways to fly it with one stop, through Nashville, New Orleans and Dallas and more.
Airlines flying nonstop from SDF to IAH
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book SDF to IAH with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
SDF to IAH with one stop
18 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines, then United Airlines
- Via New Orleans (MSY)Breeze Airways and Southwest Airlines, then United Airlines
- Via Dallas (DFW)American Airlines the whole way
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via Oklahoma City (OKC)Southwest Airlines, then United Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Charlotte (CLT)American Airlines the whole way
- Via Detroit (DTW)Delta Air Lines the whole way
- Via Charleston (CHS)Breeze Airways, then United Airlines
- Via Pittsburgh (PIT)Breeze Airways, then United Airlines
- Via Raleigh/Durham (RDU)Breeze Airways, then United Airlines and Frontier Airlines
- Via Tampa (TPA)Southwest Airlines and Breeze Airways, then United Airlines and Frontier Airlines
- Via Sarasota (SRQ)Allegiant Air, then United Airlines
- Via Orlando (MCO)Delta Air Lines and Southwest Airlines, then United Airlines and Frontier Airlines
- Via Minneapolis (MSP)Delta Air Lines the whole way
SDF to IAH: common questions
Which airlines fly nonstop from SDF to IAH?
United Airlines (Star Alliance) flies nonstop from Louisville (SDF) to Houston (IAH).
How far is Louisville from Houston by plane?
Louisville (SDF) and Houston (IAH) are 788 miles (1,268 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book SDF to IAH award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does SDF to IAH cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SDF to IAH with taxes and fees.
Where can I connect between Louisville and Houston?
The most direct connections are through Nashville (BNA), New Orleans (MSY), Dallas (DFW), Atlanta (ATL) and Oklahoma City (OKC). On 8 of them the same airline flies both flights, for example American Airlines through Dallas.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.