Allegiant Air Nonstop Flights from Knoxville: 16 Destinations

0 international and 16 domestic destinations without a stop from TYS

Every destination Allegiant Air serves nonstop from Knoxville, United States, from published airline schedules as of 3 August 2026. Seasonal and not-yet-launched services are marked; connections are not listed. Allegiant Air sells economy only — no business or first class cabin.

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International

0 nonstop destinations

Domestic

16 nonstop destinations

Airports

TYS

Allegiant Air Domestic Destinations from Knoxville

AustinAUS BostonBOSseasonal ChicagoMDWseasonal DenverDEN Fort LauderdaleFLL HoustonHOU JacksonvilleJAX Key WestEYW Las VegasLAS New YorkEWR OrlandoMCO PhiladelphiaPHL PhoenixPHX SarasotaSRQ ValparaisoVPS Washington, D.C.IAD

Other Airlines Flying Nonstop from Knoxville

Every other airline with scheduled nonstops from TYS, ranked by the number of destinations it serves without a stop. Pick one to see its full list.

Southwest Airlineseconomy only8 nonstop destinations American Airlines6 nonstop destinations United Airlines5 nonstop destinations Delta Air Lines4 nonstop destinations

All nonstop destinations from Knoxville, on every airline →

Allegiant Air Nonstop Flights from Other Cities

The other cities we track Allegiant Air nonstops from, busiest first.

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