IAD
Washington D.C.-Dulles
- Observed fare $76
- Example dates Nov 19, 2026 – Nov 22, 2026
- Airline Allegiant
- Nonstop time 1h 29m
Knoxville airfare guide
Cheap flights from Knoxville
There is no permanent “cheapest flight” from TYS. Prices move constantly, so this page separates recent observed nonstop examples from the live search you should use for your actual dates.
The short answer
The lowest recent nonstop weekend example in our current snapshot is $76 round trip.
That was an observed Allegiant fare to Washington D.C.-Dulles for Nov 19, 2026–Nov 22, 2026. It is not a guaranteed fare.
Recent lower-priced nonstop examples from TYS
These are dated observations from Google Travel Explore, filtered to airports that are still on the current verified TYS nonstop network.
PHL
Philadelphia
- Observed fare $78
- Example dates Jan 8, 2027 – Jan 11, 2027
- Airline Allegiant
- Nonstop time 1h 52m
VPS
Destin-Ft. Walton Beach
- Observed fare $99
- Example dates Dec 3, 2026 – Dec 6, 2026
- Airline Allegiant
- Nonstop time 1h 23m
MDW
Chicago-Midway
- Observed fare $106
- Example dates Nov 6, 2026 – Nov 9, 2026
- Airline Allegiant
- Nonstop time 1h 37m
EYW
Key West
- Observed fare $110
- Example dates Nov 20, 2026 – Nov 23, 2026
- Airline Allegiant
- Nonstop time 2h 5m
AUS
Austin
- Observed fare $111
- Example dates Dec 4, 2026 – Dec 7, 2026
- Airline Allegiant
- Nonstop time 2h 39m
SFB
Orlando-Sanford
- Observed fare $114
- Example dates Nov 19, 2026 – Nov 23, 2026
- Airline Allegiant
- Nonstop time 1h 35m
FLL
Fort Lauderdale
- Observed fare $114
- Example dates Jan 30, 2027 – Jan 31, 2027
- Airline Allegiant
- Nonstop time 2h 8m
How to actually find cheaper flights from Knoxville
Be flexible by a day or two
Limited-day nonstop routes can change the fare dramatically. Search nearby departure and return dates before assuming the first weekend is the cheapest.
Compare airports in the same market
Orlando, Tampa Bay, Dallas, Houston, New York and other markets have multiple relevant airports from TYS. A different airport can change both airfare and ground cost.
Compare the total airline cost
A lower base fare can lose its advantage after bags, seat selection and other optional charges. Compare the trip you will actually buy.
Price the whole trip
Parking, rental cars and airport-to-hotel distance matter too. Saving $30 on airfare is not a win if the alternate airport adds $80 in ground transportation.
Search live fares from Knoxville
Search current Google Flights results from Knoxville (TYS). This checks live flight options when you submit the form rather than relying on a stale fare table.
What does “cheap” mean from TYS?
Knoxville is a smaller origin airport, so the best fare is not always the absolute lowest ticket price available from a larger airport. Driving to Nashville or Atlanta adds fuel, parking, time and risk. Compare door-to-door cost before deciding a different origin airport is actually cheaper.
Keep comparing Knoxville trips
Parent guide
All nonstop flights from Knoxville
Weekend trips
Compare recent nonstop weekend examples by fare and flight time.
Airlines from Knoxville
See which carriers serve each current nonstop market.
TYS parking costs
Add parking to the real trip cost.
Florida nonstop flights
Compare multiple Florida airports and markets.
Observed fare snapshot checked: October 27, 2026 at 7:45 AM EDT. Prices are observations, not guarantees. Use the live search for your actual dates.