Flight Routes from Ontario to Knoxville

Compare cheap outbound and return flights from Ontario (ONT) to Knoxville (TYS) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€556
Flight distance
3,058 km
Time difference

Cheap flight offers from Ontario to Knoxville

sorted by price and recency
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  1. –
    American Airlines
    –
    ONT–TYS
    1 stopover
    American Airlines
    –
    TYS–ONT
    1 stopover
    €848
  2. –
    United Airlines
    –
    ONT–TYS
    1 stopover
    United Airlines
    –
    TYS–ONT
    1 stopover
    €744
  3. –
    United Airlines
    –
    ONT–TYS
    1 stopover
    American Airlines
    –
    TYS–ONT
    1 stopover
    €741
  4. –
    American Airlines
    –
    ONT–TYS
    1 stopover
    American Airlines
    –
    TYS–ONT
    1 stopover
    €714
  5. –
    Frontier Airlines
    –
    ONT–TYS
    1 stopover
    Allegiant Air
    –
    TYS–ONT
    1 stopover
    €556

Flight schedule from Ontario (ONT) to Knoxville (TYS)

Select a travel date in the flight schedule for the route from Ontario (ONT) to Knoxville (TYS) and compare affordable flight deals.

offers
Active filtersnone
Matching outbound flightsONT–TYS · 1 of 1
fromto
dep.arr.
durationstopovers
  1. Nov 29 – Dec 5, 2026
  2. December 6 – 12, 2026
  3. December 13 – 19, 2026
    No flights could be found for the active filters.
    1. ONTTYS
      1 stopover
      1. United Airlines

      Important flight information

      Discover more flights around Ontario and Knoxville

      Departure airport Airport Ontario-CA (ONT)
      Arrival airport Airport Knoxville, TN (TYS)
      Destination country Flights to United States
      Departure airport - Destination country Ontario-CA - United States