Houston (IAH) to Knoxville (TYS) flights
One airline flies nonstop from Houston (IAH) to Knoxville (TYS): 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 IAH to TYS
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAH to TYS 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
IAH to TYS 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)United Airlines, then Delta Air Lines
- Via Nashville (BNA)United Airlines, then Southwest Airlines
- Via Memphis (MEM)United Airlines, then Allegiant Air
- Via Atlanta (ATL)Delta Air Lines the whole way
- Via New Orleans (MSY)United Airlines, then American Airlines and Southwest Airlines
- Via Dallas (DFW)American Airlines the whole way
- Via Bentonville (XNA)United Airlines, then Delta Air Lines
- Via Austin (AUS)United Airlines, then Allegiant Air, Southwest Airlines and 2 more+1
- Via Charlotte (CLT)American Airlines the whole way
- Via Jacksonville (JAX)United Airlines, then Allegiant Air
- Via Tampa (TPA)United Airlines and Frontier Airlines, then Southwest Airlines
- Via Sarasota (SRQ)United Airlines, then Allegiant Air
- Via Orlando (MCO)United Airlines and Frontier Airlines, then Allegiant Air and Southwest Airlines
- Via Chicago (ORD)American Airlines and United Airlines the whole way
IAH to TYS: common questions
Which airlines fly nonstop from IAH to TYS?
United Airlines (Star Alliance) flies nonstop from Houston (IAH) to Knoxville (TYS).
How far is Houston from Knoxville by plane?
Houston (IAH) and Knoxville (TYS) 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 IAH to TYS 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 IAH to TYS cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAH to TYS with taxes and fees.
Where can I connect between Houston and Knoxville?
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.