Atlanta to Key West flights

Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Atlanta to Key West is €67 with Frontier Airlines (checked on 21 Oct 2026).

See the fare calendar

Lowest observed
€67
Average observed
€245
Cheapest month
November 2026
Last checked
30 Oct 2026
Observed fares. Prices may change.

More dates worth a look

Find the dates that work for you

The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.

One-way fare

One-way fare · No data: click and we will search
Lowest observed
€67, departing 14 Nov 2026 (Last checked: 21 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 186Check live prices for this route
Non-stop, one way
€254, departing 1 Dec 2026 (Last checked: 27 Oct 2026)
Airlines seen
Delta Air Lines, American Airlines, Breeze Airways, Frontier Airlines, United Airlines
Reported fastest flight
1h 53m
Non-stop
Yes

Atlanta → Key WestSat 14 Nov 2026 · €67Last checked: 21 Oct 2026

About this route

Explore the fares we observed from Atlanta to Key West. Prices move often, so pick your dates to see the latest options.

Route distance
1,053 km
Reported fastest flight
1h 53m
Alternative airports
PDK

Route-level information; individual journeys vary.
Published schedules report non-stop service with Delta Air Lines. Check current timetables.

A clearer picture of your fare

Observed, not guaranteed
Every price is a fare we actually saw, and it may change at any time.
Compare the same trip
We show like-for-like journeys so the comparison is fair.
Confirm with the provider
The price is final on the provider's site, where your booking is completed.
How our prices work
Price alert
Price alert for Atlanta → Key West

If the observed fare for this date drops, we will email you. At most one message a day.

Non-stop airlines seen on this route

Non-stop airlines seen on this route
AirlineNon-stop days / priced daysFastest non-stop
Delta Air Lines3 / 201

Departure days with a non-stop fare checked in the last 14 days. A carrier listed here had a non-stop fare on at least 3 days; schedules may differ.

Airport to city: straight-line distance

  • Hartsfield Jackson Atlanta International Airport (ATL) → Atlanta, city gazetteer reference point (33.7490, -84.3880): ≈ 13 km.
  • DeKalb Peachtree Airport (PDK) → Atlanta, city gazetteer reference point (33.7490, -84.3880): ≈ 16 km.
  • Key West International Airport (EYW) → Key West, city gazetteer reference point (24.5557, -81.7826): ≈ 2 km.

Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.

Lowest fare by departure month

Lowest fare by departure month
MonthLowest farePriced days
November 2026€19214
December 2026€25431
January 2027€25431
February 2027€25428
March 2027€25431
April 2027€25430
May 2027€25421

Lowest fare by day of the week

Cheapest day of the week from Atlanta to Key West: Tuesday, from €192 (checked 27 Oct 2026).

Lowest fare by day of the week
DayLowest farePriced days
Monday€21026
Tuesday€19227
Wednesday€19227
Thursday€25427
Friday€25427
Saturday€25426
Sunday€25426

One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.

Lowest fare by days before departure

Lowest fare from Atlanta to Key West by days until departure (8 to 30 days): €192 (checked 27 Oct 2026).

Lowest fare by days before departure
Days before departureLowest farePriced days
8 to 30 days€19216
31 to 60 days€25430
61 days or more€254140

One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.

Fares for different departure dates, checked now; not a guide to when to book.

Lowest one-way fare we saw per airline

Cheapest airline from Atlanta to Key West: Frontier Airlines, from €67 (checked 21 Oct 2026).

Lowest one-way fare we saw per airline
AirlineLowest farePriced days
Frontier Airlines€67Nov 14, 202677
Breeze Airways€77Dec 21, 20264
American Airlines€192Nov 24, 20266
Delta Air Lines€254Nov 25, 20266
United Airlines€263Nov 25, 20266

One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.

Frequently asked

How much is a flight from Atlanta to Key West?

The lowest fare Routavio has observed is €67, found on 21 Oct 2026. Prices move, so read it as a floor rather than a quote.

When is the cheapest month to fly from Atlanta to Key West?

In our observations November 2026 is the cheapest month so far, at €67.

Are there direct flights from Atlanta to Key West?

Yes. Published schedules report non-stop flights on this route with Delta Air Lines.

Which airlines fly from Atlanta to Key West?

Routavio has seen these carriers on the route: Delta Air Lines, American Airlines, Breeze Airways, Frontier Airlines, United Airlines.

How long does the flight from Atlanta to Key West take?

Across the 17 fares Routavio observed, the average journey time is 15h 08m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.

How many of the observed Atlanta to Key West fares were non-stop?

1 of the 17 fares we observed were non-stop; the rest included at least one stop. That describes our observations, not every flight that operates.

How much is a non-stop flight from Atlanta to Key West?

Cheapest non-stop one-way fare: €254, departing 1 Dec 2026 (checked 27 Oct 2026).

Which airlines had non-stop offers on at least 3 departure dates from Atlanta to Key West?

For Atlanta to Key West, examples of observed one-way non-stop offers checked within the last 14 days: Delta Air Lines (3). Each number counts distinct departure dates, not weekly flights; check current availability in search.

Which day of the week is cheapest from Atlanta to Key West?

Cheapest day of the week from Atlanta to Key West: Tuesday, from €192 (checked 27 Oct 2026).

Which airline has the lowest fare from Atlanta to Key West?

Cheapest airline from Atlanta to Key West: Frontier Airlines, from €67 (checked 21 Oct 2026).

How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio

Keep exploring

Similar routes

Non-stop airlines on this route

More routes from Atlanta

Show all 36 routes →

More routes to Key West

Show all 29 routes →

Recently observed fares. Prices may change.

About these prices
Fares are observed at trusted providers and refreshed regularly. They can change at any time and may not include extras.
Data and updates
Last checked 30 Oct 2026. Availability and fares must be confirmed when you search.
Your booking
When you book, the price is confirmed with the provider. Booking is completed on their site; we do not process payments.