Cheap Flights from Chattanooga to Key West International

Compare Chattanooga to Key West International flight deals

Find the cheapest month or even day of the year to fly to Key West International

Book the best Key West International fare with no extra fees

Flight deals from Chattanooga to Key West International

Looking for a cheap last-minute deal or the best return flight from Chattanooga Airport to Key West International Airport? If you want to travel next month, return fares start from R 4,551. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Chattanooga to Key West International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chattanooga to Key West International flights are currently cheapest in July.

Chattanooga to Key West International: Alternative routes

Compare routes from Chattanooga to Key West below. You may find an airport to fly into that's cheaper, faster, or easier than Key West International.

Chattanooga to Key West: Flight information

The things to know before you go.
Cheapest flight foundR 4,737
Cheapest month to flyJuly

Finding cheap flights from Chattanooga to Key West International: Frequently asked questions

The best price we found for a return flight from Chattanooga to Key West International is R 4,106. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chattanooga to Key West International. But we found flights with one or more stops from R 4,106.
As of June 2026, there are no flights flying from Chattanooga to Key West International.
The cheapest month to fly from Chattanooga to Key West International is usually July.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chattanooga Airport to Key West International Airport on Thursday, 30 July 2026.
No airlines currently offer direct flights between Chattanooga Airport and Key West International Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Key West International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Key West is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Allegiant Air offers the cheapest flight tickets to Key West International.

Travelling from Chattanooga Airport (CHA) to Key West International Airport (EYW): what you need to know

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for stress-free travel. Be at the airport on time to board your CHA to EYW flight.

  • You can expect longer queues in popular months such as October. Arriving up to four hours ahead of an international flight and two hours for domestic departures is a smart move.

  • Consider adding a stopover when booking your ticket from Chattanooga Airport to Key West International Airport. Just uncheck 'Direct flights only' to break up your trip, or perhaps see a new city along the way. Here's where you can stop between CHA and EYW:

    • Atlanta Hartsfield-Jackson Airport

    • Charlotte Douglas Airport

    • Miami International Airport

Handy information about Chattanooga Airport (CHA)

  • Of the flights that depart from Chattanooga Airport, 77% land on schedule at their destination.

  • Central Chattanooga to Chattanooga Airport is around 14 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're driving, ride-sharing or catching a taxi.

  • Taking public transport? You can expect a journey time of around 40 minutes.

  • Have an early flight from Chattanooga Airport to Key West International Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by choosing one of these stays close to CHA:

Arriving at Key West International Airport (EYW)

When to fly to Key West International Airport (EYW)

  • April is the busiest month for flights from Chattanooga Airport to Key West International Airport. For smaller crowds, travel to Key West in September.

  • Lock in your flight from Chattanooga Airport to Key West International Airport for August if you want to explore Key West during its warmest month. You can expect temperatures of between 26ºC (79ºF) and 30ºC (86ºF).

  • Look for cheap tickets from CHA to EYW in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 18ºC (64ºF) and 23ºC (73ºF) on average.

Explore more of the United States

  • Key West is always a good idea, but there are so many other parts of the United States you'll want to see. Around 209 kilometres north-east of Key West, a trip to Miami will keep you on the go. Check out popular attractions like Beach, Ocean Drive and Port of Miami.

  • Around 386 kilometres north of Key West, Tampa is another essential stop in the United States. Get a taste of what this destination has to offer at Busch Gardens Tampa, The Florida Aquarium and ZooTampa at Lowry Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.