- Cheapest fare
- $41
- Cheapest month
- November
- Direct flights
- Yes
- Flight time
- 2h 13m
Allegiant Air · Fri, Nov 13
from $41
Allegiant Air
1,280 km
Get a price alert
We'll email you when Key West → Knoxville drops to your price. It's free, and you can stop any time.
Today's cheapest fare is $41. We'll send one email to confirm. See our privacy policy.
Cheapest month to fly from Key West to Knoxville
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
Plan the rest of your trip to Knoxville
Where to stay, what to do and getting around, from our travel partners.
About flights from Key West to Knoxville
Key West (EYW) and Knoxville (TYS) are about 1,280 km apart. Direct flights take around 2h 13m, and recent direct fares were with Allegiant Air. Over the next few months, one-way fares start from $41, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Key West to Knoxville?
The cheapest one-way fare we've seen recently is $41 with Allegiant Air, departing Friday, November 13, 2026.
What is the cheapest month to fly from Key West to Knoxville?
November 2026 currently has the lowest fares, from $41 one way.
Are there direct flights from Key West to Knoxville?
Yes. Recent direct fares were with Allegiant Air.
How long is the flight from Key West to Knoxville?
A direct flight takes about 2h 13m. Key West and Knoxville are around 1,280 km apart.
Which airlines fly from Key West to Knoxville?
Recent fares on this route were with Allegiant Air.
More cheap flights from Key West
- Key West to Tampafrom $42
- Key West to Dallasfrom $102
- Key West to Philadelphiafrom $103
- Key West to Greenvillefrom $112
- Key West to Louisvillefrom $120
- Key West to Fort Lauderdalefrom $125
- Key West to Chicagofrom $139
- Key West to St Louisfrom $139
- Key West to Greensborofrom $144
- Key West to Indianapolisfrom $147
- Key West to Fort Myersfrom $154
- Key West to Evansvillefrom $177