Cheap flights from Knoxville to Key West from $165
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Knoxville to Key West departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Knoxville to Key West
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Delta flights from Knoxville to Key West
Our best Delta deals on Knoxville to Key West flight tickets
American Airlines flights from Knoxville to Key West
Our best American Airlines deals on Knoxville to Key West flight tickets
See travel insights to Key West from
How to get the cheapest flight ticket from Knoxville to Key West
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Key West?
In general, August is the cheapest month to fly from Knoxville to Key West. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $268. If you are unable to visit Key West during the month of August, then departing from Knoxville during the month March is also very affordable. Most momondo users find prices during this month for around $323.
What is the cheapest day to depart on your flight to Key West?
On average, the least expensive day to fly to Key West from Knoxville is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $422. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Knoxville to Key West for around $572.
What is the cheapest time of day to depart on your flight to Key West?
According to our data, the cheapest time of day to fly to Key West is at noon. momondo users have found flights departing from Knoxville to Key West at noon for as low as $402. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Key West are more costly in the morning, with an average ticket price of $568. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
How far in advance should I book a flight to Key West?
You are more likely to see cheaper flights to Key West from Knoxville when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Key West for around $430 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Key West from Knoxville for as low as $287 on momondo.
What is the cheapest airline that flies from Knoxville McGhee Tyson to Key West?
Allegiant Air, Delta, and United Airlines are the most popular carriers operating from Knoxville McGhee Tyson to Key West
What airlines fly to Key West?
American Airlines, Allegiant Air and Delta are the top three most popular airlines that fly to Key West from Knoxville according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Key West. Keep in mind that there are 3 different airlines that fly to Key West on a routine basis, so you have a few additional options to choose from.
When to book flights from Knoxville to Key West
Cheap Knoxville to Key West (TYS to EYW) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Knoxville to Key West
How far is Knoxville McGhee Tyson to Key West by plane?
Knoxville McGhee Tyson and Key West are 797.5 mi apart from one another. Typically, this will take 3h 44m by plane in normal conditions.
When did momondo last update prices for flights from Knoxville McGhee Tyson Airport to Key West Airport?
Prices for flights from Knoxville McGhee Tyson Airport to Key West Airport refresh daily.
How many operators does momondo search for flights from Knoxville McGhee Tyson Airport to Key West Airport?
As of April 2025, there are 3 operators available to choose from for flights from Knoxville McGhee Tyson Airport to Key West Airport.
How old do you have to be to fly from Knoxville McGhee Tyson Airport to Key West Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Knoxville McGhee Tyson Airport to Key West Airport.
What documentation or ID do you need to fly to Key West Airport?
The required travel and health documents for your Key West Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Key West Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Knoxville to Key West?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Knoxville to Key West is American Airlines (61% of total bookings). The next most popular airlines are Delta (28%) and Allegiant Air (11%).
Best airlines flying from Knoxville to Key West
Compare and see reviews for airlines that fly from Knoxville to Key West with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $78 | Free Cancellation | Rating 7.3 734 reviews | |||
| PriceFrom $208 | Free Cancellation | Rating 8.0 7,917 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near Key West?
Book flights to Key West if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Knoxville to Key West?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Key West from Knoxville.
Can I find flights from Knoxville to Key West with flexible booking policies on momondo?
Flights from Knoxville to Key West with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Knoxville to Key West?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Knoxville to Key West.
I’m not ready to book a flight from Knoxville to Key West right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Knoxville to Key West flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.