Denver (DEN) to Knoxville (TYS) flights
3 airlines fly nonstop from Denver (DEN) to Knoxville (TYS): Allegiant Air, Southwest Airlines and United Airlines. The two airports are 1,160 miles (1,867 km) apart. United Airlines is in Star Alliance. There are also 28 ways to fly it with one stop, through Nashville, Bentonville and Memphis and more.
Airlines flying nonstop from DEN to TYS
- Allegiant AirNot in an alliance

- Southwest AirlinesNot in an allianceWho books it

- United AirlinesStar Alliance · bookable with 13 programsWho books it

Book DEN 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
DEN to TYS with one stop
28 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Nashville (BNA)Southwest Airlines the whole way




- Via Bentonville (XNA)United Airlines and Frontier Airlines, then Delta Air Lines



- Via Memphis (MEM)Frontier Airlines, United Airlines and 1 more, then Allegiant Air




- Via Birmingham (BHM)United Airlines the whole way



- Via Atlanta (ATL)Delta Air Lines the whole way

+1

- Via Chicago (MDW)Southwest Airlines, then Allegiant Air


- Via Chicago (ORD)American Airlines and United Airlines the whole way





- Via Dallas (DFW)American Airlines the whole way




- Via Dallas (DAL)Southwest Airlines the whole way


- Via Minneapolis (MSP)Delta Air Lines the whole way

+2

- Via Charlotte (CLT)American Airlines the whole way

+1

- Via Detroit (DTW)Delta Air Lines the whole way

+1

- Via New Orleans (MSY)Southwest Airlines the whole way





- Via Fort Walton Beach (VPS)Allegiant Air the whole way



- Via Houston (IAH)United Airlines the whole way



DEN to TYS: common questions
Which airlines fly nonstop from DEN to TYS?
Allegiant Air, Southwest Airlines and United Airlines (Star Alliance) fly nonstop from Denver (DEN) to Knoxville (TYS).
How far is Denver from Knoxville by plane?
Denver (DEN) and Knoxville (TYS) are 1,160 miles (1,867 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book DEN 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 DEN 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 DEN to TYS with taxes and fees.
Where can I connect between Denver and Knoxville?
The most direct connections are through Nashville (BNA), Bentonville (XNA), Memphis (MEM), Birmingham (BHM) and Atlanta (ATL). On 20 of them the same airline flies both flights, for example Southwest Airlines through Nashville.
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.