--- title: "Houston (HOU) to Knoxville (TYS) flights: who flies it" description: "Allegiant Air flies nonstop from HOU to TYS, about 2 flights a week as G4 1410 and G4 1435, scheduled at 2h 4m to 2h 7m. See the full timetable and who flies it on 2LNR." canonical: "https://2lnr.com/routes/hou-tys" url: "https://2lnr.com/routes/hou-tys.md" date_modified: "2026-10-18T05:10:47Z" --- # Houston to Knoxville (HOU-TYS): nonstop flights and who flies them Allegiant Air flies nonstop from Houston (HOU) to Knoxville (TYS) just twice a week. In the timetable below it flies as G4 1410 and G4 1435, scheduled at 2h 4m to 2h 7m for the 781 miles. Schedule last confirmed October 18, 2026. Departure times come from 2LNR's schedule data; confirm with the airline before you book. Updated October 23, 2026. See HOU to TYS on the interactive map [Get started free](https://2lnr.com/login) 2 Flights a week, 4-week average 2h 4m to 2h 7m Scheduled flight time 781 mi Nonstop distance Free To get started ## Houston to Knoxville flight schedule Scheduled nonstop departures for HOU to TYS starting October 22, 2026, last checked against our schedule feed on October 18, 2026. Airlines retime and cancel flights, so confirm with the airline before you book. Scheduled nonstop departures from Houston (HOU) to Knoxville (TYS) | Date | Flight | Airline | Departs HOU | Arrives TYS | Duration | Aircraft | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | Fri, Oct 23 | G4 1410 | Allegiant Air | 17:01 | 20:05 | 2h 4m | [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) | | Mon, Oct 26 | G4 1435 | Allegiant Air | 15:51 | 18:55 | 2h 4m | Airbus A320 | | Fri, Oct 30 | G4 1410 | Allegiant Air | 17:01 | 20:05 | 2h 4m | Airbus A320 | | Mon, Nov 2 | G4 1435 | Allegiant Air | 15:51 | 18:55 | 2h 4m | Airbus A320 | | Fri, Nov 6 | G4 1410 | Allegiant Air | 14:59 | 18:06 | 2h 7m | Airbus A320 | | Mon, Nov 9 | G4 1410 | Allegiant Air | 17:09 | 20:16 | 2h 7m | Airbus A320 | | Fri, Nov 13 | G4 1410 | Allegiant Air | 14:59 | 18:06 | 2h 7m | Airbus A320 | Showing all 7 scheduled HOU to TYS departures across 7 days with service, starting October 22, 2026. Later dates are on the interactive map. Departure and arrival times are local at their own airport, so an arrival can fall on a different local date than the departure; the duration column is the true elapsed flying time. A dash means the airline hasn't filed that value in the schedule data we hold. Aircraft are the equipment the airline filed, named where the code pins down one type and shown as the family or the bare code where it doesn't. Swaps can happen up to departure. See every HOU to TYS date on the interactive map ## Aircraft on the Houston to Knoxville nonstop Allegiant Air flies the [Airbus A320](https://2lnr.com/seatmaps/g4/a320.md) on every departure in the schedule table on this page. Each linked aircraft page shows where that airline schedules it. Airlines can swap aircraft up to departure. ## The full HOU to TYS nonstop schedule This page carries the full HOU to TYS nonstop schedule, who operates each departure and how often it runs; the reverse direction is linked below. ### See the schedule Who operates each HOU to TYS nonstop and how often it runs, from 2LNR's schedule data. ### Plan on the map See HOU to TYS on the interactive route map, with schedules, connections, and route statistics. ## Airlines flying Houston to Knoxville nonstop Carriers operating HOU to TYS nonstop in the current schedule. - [Allegiant Air (G4) route map](https://2lnr.com/routes/airlines/g4.md)\ [The aircraft G4 flies](https://2lnr.com/seatmaps/g4.md) See HOU to TYS on the interactive map → ## Frequently asked questions about HOU to TYS **How long is the flight from Houston (HOU) to Knoxville (TYS)?** Scheduled flight times from Houston (HOU) to Knoxville (TYS) run from 2h 4m to 2h 7m across the departures in the schedule table on this page. The nonstop covers about 781 miles, and airlines adjust scheduled times by season, so confirm with the airline before you book. **Which airlines fly nonstop from HOU to TYS?** Allegiant Air is currently the only airline flying HOU to TYS nonstop. 2LNR doesn't show award or upgrade space for it on HOU to TYS, so this page carries the schedule rather than a space claim. **How often does HOU to TYS operate?** The HOU to TYS nonstop currently runs twice a week, on Allegiant Air. Thin schedules like this change by season, and on Pro an alert will catch anything added. **What time do flights from HOU to TYS depart?** Scheduled HOU to TYS nonstops in the next 7 days with service leave between 14:59 and 17:09, local time at Houston. The schedule table on this page lists every departure by date, with its arrival time and aircraft. **Which flights operate HOU to TYS nonstop?** In the schedule table on this page, HOU to TYS nonstops fly as G4 1410 and G4 1435 on Allegiant Air. The table lists each departure by date with its times and aircraft. **Does 2LNR show upgrade or award space on HOU to TYS?** Not on this route: 2LNR doesn't show award or upgrade space for Allegiant Air on HOU to TYS. The page carries the full HOU to TYS nonstop schedule and who flies each departure, and the reverse direction is linked below. Flying the other way? See [TYS to HOU nonstop flights](https://2lnr.com/routes/tys-hou.md). Award seats rather than schedules? See [award availability by airline](https://2lnr.com/awards.md). Looking beyond this route? See [every route from Houston (HOU)](https://2lnr.com/routes/hou.md), or [every route from Knoxville (TYS)](https://2lnr.com/routes/tys.md). Nonstops to Knoxville (TYS) from other airports within 150 miles of Houston (HOU): - [Houston (IAH) to Knoxville (TYS)](https://2lnr.com/routes/iah-tys.md), 24 miles from HOU - [College Station (CLL) to Knoxville (TYS)](https://2lnr.com/routes/cll-tys.md), 92 miles from HOU - [Austin (AUS) to Knoxville (TYS)](https://2lnr.com/routes/aus-tys.md), 148 miles from HOU Nonstops from Houston (HOU) to other airports within 150 miles of Knoxville (TYS): - [Houston (HOU) to Asheville (AVL)](https://2lnr.com/routes/hou-avl.md), 86 miles from TYS Distances are great-circle between the airports, not driving distance. - [How to plan an upgrade by route](https://2lnr.com/guides/upgrade-strategy.md) ## See the full HOU to TYS nonstop schedule Every scheduled departure on this route, with who flies it. 2LNR shows upgrade and award space by date on the carriers it tracks, the next 14 days free on every product and the full horizon on Pro. [Get started free](https://2lnr.com/login)