Cheap flights from Atlanta to Key West
Cheap return flights from Atlanta to Key West
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Key West flight facts
What you need to know
What are the cheapest airlines?
- Spirit Airlines
- American Airlines
- Delta Air Lines
These airlines usually offer the cheapest flights from Atlanta to Key West.
What airlines fly indirectly?
- United Airlines
- Southwest Airlines
- JetBlue Airways
These airlines fly from Atlanta to Key West, but you’ll have at least one layover.
How long is the flight?
1 hour 45 minutes
This is the shortest flight time from Atlanta to Key West.
Alternative flights from the UK to Key West
Check out prices for other routes
Alternative flights from Atlanta
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the Atlanta/Key West route. There are around 35 flights on any given week from the UK to Key West and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from Atlanta to Key West
Tips and advice from our flight experts
You've searched for flights from Atlanta to Key West. We've found 25 flights and compared multiple offers to get you the best deal. Spirit Airlines is, on average, the cheapest for this route. Look out for their offers! The cheapest offer we've found is a one-way ticket for the route from Atlanta to Key West on 27/04/2026 at 05:15 for £32.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 960 km flight from Atlanta to Key West.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Spirit Airlines is a popular choice for this route, and the average flight duration is about 1 hour 45 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to save time and money!
Other popular destinations near Key West
Where other people are flying to
