Knoxville (TYS) to Houston (IAH) flights
One airline flies nonstop from Knoxville (TYS) to Houston (IAH): United Airlines. The two airports are 771 miles (1,241 km) apart. United Airlines is in Star Alliance. There are also 22 ways to fly it with one stop, through Birmingham, Baton Rouge and Nashville and more.
Airlines flying nonstop from TYS to IAH
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book TYS 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
TYS to IAH with one stop
22 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Birmingham (BHM)United Airlines the whole way
- Via Baton Rouge (BTR)Delta Air Lines, then United Airlines
- Via Nashville (BNA)Southwest Airlines, then United Airlines
- Via Memphis (MEM)Allegiant Air, then United Airlines
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via New Orleans (MSY)American Airlines and Southwest Airlines, then United Airlines
- Via Dallas (DFW)American Airlines the whole way
- Via Bentonville (XNA)Delta Air Lines, then United Airlines
- Via Austin (AUS)Allegiant Air, Southwest Airlines and 2 more, then United Airlines+1
- Via Charlotte (CLT)American Airlines the whole way
- Via Jacksonville (JAX)Allegiant Air, then United Airlines
- Via Tampa (TPA)Southwest Airlines, then United Airlines and Frontier Airlines
- Via Sarasota (SRQ)Allegiant Air, then United Airlines
- Via Orlando (MCO)Allegiant Air and Southwest Airlines, then United Airlines and Frontier Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
TYS to IAH: common questions
Which airlines fly nonstop from TYS to IAH?
United Airlines (Star Alliance) flies nonstop from Knoxville (TYS) to Houston (IAH).
How far is Knoxville from Houston by plane?
Knoxville (TYS) and Houston (IAH) are 771 miles (1,241 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book TYS 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 TYS 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 TYS to IAH with taxes and fees.
Where can I connect between Knoxville and Houston?
The most direct connections are through Birmingham (BHM), Baton Rouge (BTR), Nashville (BNA), Memphis (MEM) and Atlanta (ATL). On 9 of them the same airline flies both flights, for example United Airlines through Birmingham.
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.