What are the cheapest airlines flying from Atlanta to Key West round-trip?

Currently priced at $279, Delta will fly you from Atlanta to Key West and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $299 and $426, respectively. Users have found that Delta is 37% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Atlanta to Key West one-way?

The cheapest airlines for a one-way flight from Atlanta to Key West are American Airlines ($180), United Airlines ($219), and Delta ($249).

What is the cheapest day to fly from Atlanta to Key West?

Travelers seeking maximum savings on their Atlanta to Key West flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

What are the cheapest flights from Atlanta to Key West?

While on average a flight from Atlanta to Key West is generally $436, our data shows the cheapest flight currently is $248. When looking at the most popular route, (Atlanta Hartsfield-Jackson - Key West), you can expect to pay $279 for that flight.

What are the most reliable airlines from Atlanta to Key West?

Consider Endeavor Airlines (100%), Delta (89%) or WestJet (84%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Key West.

What is the cheapest day to fly round-trip from Atlanta to Key West?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 30% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Atlanta to Key West?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 51 days in advance, which can save you up to 156% on flights from Atlanta to Key West compared to booking the week you need them. Waiting 51 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $493. For sooner than that we have options available in the next 3 days from $699.

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

September is one of the best times of the year to fly to Key West from Atlanta. Prices for September average $444 per person but you can even find prices for as low as $219. The most expensive prices can be found in the month of December. Opting for a September flight can save you 23% on your journey compared to booking in December

What airports do I use to fly from Atlanta to Key West?

To fly from Atlanta to Key West, you need to book a flight from Hartsfield-Jackson (ATL) to Key West (EYW). Nonstop flights to Key West from Atlanta Hartsfield-Jackson take 1h 51m on average. When it comes time to book airfare, you have a few options: there are 15 outbound flights from Hartsfield-Jackson to Key West offered by 2 different airlines.

Can I find deals for flights from Atlanta to Key West that include hotel bookings?

Yes. In addition to deals on Atlanta to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Atlanta to Key West?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Key West.

Can I find deals for business class flights from Atlanta to Key West?

Yes. Cheapflights offers flight deals from Atlanta to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$111+ Flights from Atlanta to Key West

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Atlanta to Key West with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Key West are usually found in September or August, booked 68 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Atlanta to Key West

Round-trip from	$236 (Mytrip)
One-way from	$111 (Trip.com)
Popular in	December
Cheapest in	September
Average price	$481
Good round-trip deal	$369 or less
Good one-way deal	$298 or less

From Atlanta Hartsfield-Jackson to Key West

Search Deals

One-way flight from Atlanta Hartsfield-Jackson to Key West

Search Deals

Highest demand for flights based on searches. 8% potential increase in price ($43 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Key West.

Search Deals

Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Key West.

Search Deals

Find flight deals from Atlanta to Key West

Cheapest flights from Atlanta to Key West
Explore the most affordable flight options available from Atlanta to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

mar. 7/84:16 pmATL - EYW

1 stop22h 49mMultiple Airlines

mar. 7/1510:02 amEYW - ATL

1 stop8h 54mMultiple Airlines

Deal found 6/10

$236

sáb. 10/45:50 pmATL - EYW

Nonstop1h 54mDelta

mié. 10/811:45 amEYW - ATL

Nonstop2h 02mDelta

Deal found 6/10

$279

sáb. 8/167:00 amATL - EYW

1 stop6h 09mAmerican Airlines

mar. 8/197:40 pmEYW - ATL

1 stop3h 54mAmerican Airlines

Deal found 6/10

$299

sáb. 10/43:59 pmATL - EYW

2 stops26h 06mUnited Airlines

mié. 10/88:45 amEYW - ATL

2 stops13h 03mUnited Airlines

Deal found 6/10

$396

Best flights from Atlanta to Key West
Discover carefully curated flight deals from Atlanta to Key West that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated junio 12, 2025.

mar. 7/84:16 pmATL - EYW

1 stop22h 49mMultiple Airlines

mar. 7/1510:02 amEYW - ATL

1 stop8h 54mMultiple Airlines

Deal found 6/10

$236

sáb. 8/163:30 pmATL - EYW

Nonstop1h 57mDelta

mar. 8/1911:52 amEYW - ATL

Nonstop1h 57mDelta

Deal found 6/10

$279

sáb. 8/169:00 amATL - EYW

1 stop4h 09mAmerican Airlines

sáb. 8/235:56 pmEYW - ATL

1 stop5h 38mAmerican Airlines

Deal found 6/12

$299

mié. 7/166:00 amATL - EYW

2 stops12h 05mUnited Airlines

vie. 7/188:45 amEYW - ATL

2 stops28h 57mUnited Airlines

Deal found 6/10

$426

Last-minute flights from Atlanta to Key West
Discover last-minute flight deals from Atlanta to Key West. Data last updated junio 12, 2025 and is based on user searches.

mar. 6/175:00 amATL - EYW

1 stop7h 06mAmerican Airlines

mar. 6/247:32 pmEYW - ATL

1 stop5h 11mAmerican Airlines

Deal found 6/10

$389

mar. 6/176:30 amATL - EYW

1 stop6h 23mUnited Airlines

mar. 6/248:45 amEYW - ATL

2 stops30h 03mUnited Airlines

Deal found 6/10

$533

sáb. 6/214:32 pmATL - EYW

1 stop17h 10mMultiple Airlines

jue. 6/262:07 pmEYW - ATL

1 stop23h 01mMultiple Airlines

Deal found 6/12

$312

sáb. 6/215:45 pmATL - EYW

Nonstop1h 54mDelta

sáb. 6/286:29 pmEYW - ATL

Nonstop2h 10mDelta

Deal found 6/10

$489

mar. 7/84:16 pmATL - EYW

1 stop22h 49mMultiple Airlines

mar. 7/1510:02 amEYW - ATL

1 stop8h 54mMultiple Airlines

Deal found 6/10

$236

vie. 7/115:53 pmATL - EYW

Nonstop1h 56mDelta

mar. 7/1511:48 amEYW - ATL

Nonstop1h 57mDelta

Deal found 6/10

$339

vie. 7/115:00 amATL - EYW

1 stop7h 00mAmerican Airlines

dom. 7/137:51 pmEYW - ATL

1 stop4h 50mAmerican Airlines

Deal found 6/10

$359

mié. 7/166:00 amATL - EYW

2 stops12h 05mUnited Airlines

vie. 7/188:45 amEYW - ATL

2 stops28h 57mUnited Airlines

Deal found 6/10

$426

One-way flights from Atlanta to Key West
Search for one-way flight options from Atlanta to Key West. Find affordable one-way fares based on user searches. Data last updated junio 12, 2025.

sáb. 8/212:31 pmATL - EYW

1 stop5h 34mMultiple Airlines

Deal found 6/10

$111

mié. 7/95:00 amATL - EYW

1 stop7h 00mAmerican Airlines

Deal found 6/10

$180

mar. 7/85:30 amATL - EYW

2 stops12h 35mUnited Airlines

Deal found 6/10

$219

mié. 7/169:00 amATL - EYW

Nonstop1h 51mDelta

Deal found 6/10

$249

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Key West that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mar. 7/8

4:16 pm-3:05 pm

1 stop22h 49m

Key West

mar. 7/15

10:02 am-6:56 pm

1 stop8h 54m

$236

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

sáb. 8/16

3:30 pm-5:27 pm

Nonstop1h 57m

Key West

mar. 8/19

11:52 am-1:49 pm

Nonstop1h 57m

$279

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

sáb. 8/16

7:00 am-1:09 pm

1 stop6h 09m

Key West

mar. 8/19

7:40 pm-11:34 pm

1 stop3h 54m

$299

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

jue. 8/14

6:00 am-1:12 pm

1 stop7h 12m

Key West

sáb. 8/16

8:45 am-11:52 pm

2 stops15h 07m

$412

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

sáb. 8/2

12:31 pm-6:05 pm

1 stop5h 34m

$111

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mié. 7/9

5:00 am-12:00 pm

1 stop7h 00m

$180

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mar. 7/8

5:30 am-6:05 pm

2 stops12h 35m

$219

AtlantaKey West

ATL - EYW

ATLEYW

Atlanta Hartsfield-Jackson

mié. 7/16

9:00 am-10:51 am

Nonstop1h 51m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Atlanta to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Atlanta with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Key West

How far ahead should I book a flight from Atlanta to Key West?

The price you pay for your flight from Atlanta to Key West may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Atlanta to Key West?

Currently, August is the cheapest month in which you can book a flight from Atlanta to Key West (average of $328). Flying from Atlanta to Key West in March is currently the most expensive (average of $493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to EYW?

When flying from Atlanta to Key West, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 12% versus a flight in the morning.

Weekly flight availability from Atlanta to Key West

The most flights from ATL to EYW are scheduled on a Monday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Key West by month

In terms of precipitation, rainfall in Key West ranges from 1.5 - 6.7 inches per month. September is typically the wettest month, when rainfall can reach 6.7 in. February is typically the driest time to visit Key West when rainfall is around 1.5 in.

Temperature in Key West by month

If weather is an important factor for your trip to Key West, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 69.8 F).

Reviews of airlines servicing Key West

See what other customers who have flown with Delta, United Airlines and American Airlines from Atlanta to Key West have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Delta

8.0

Very good

7,946 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,946 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

What airports do I use to fly from Atlanta to Key West?
To fly from Atlanta to Key West, you need to book a flight from Hartsfield-Jackson (ATL) to Key West (EYW). Nonstop flights to Key West from Atlanta Hartsfield-Jackson take 1h 51m on average. When it comes time to book airfare, you have a few options: there are 15 outbound flights from Hartsfield-Jackson to Key West offered by 2 different airlines.
What are the cheapest airlines flying from Atlanta to Key West round-trip?
Currently priced at $279, Delta will fly you from Atlanta to Key West and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $299 and $426, respectively. Users have found that Delta is 37% cheaper than the other options available to this destination.
What are the cheapest airlines to fly from Atlanta to Key West one-way?
The cheapest airlines for a one-way flight from Atlanta to Key West are American Airlines ($180), United Airlines ($219), and Delta ($249).
What are the most reliable airlines from Atlanta to Key West?
Consider Endeavor Airlines (100%), Delta (89%) or WestJet (84%) when booking your flight. These represent the most reliable airlines when flying from Atlanta to Key West.
What are the cheapest flights from Atlanta to Key West?
While on average a flight from Atlanta to Key West is generally $436, our data shows the cheapest flight currently is $248. When looking at the most popular route, (Atlanta Hartsfield-Jackson - Key West), you can expect to pay $279 for that flight.
Can I find deals for flights from Atlanta to Key West that include hotel bookings?
Yes. In addition to deals on Atlanta to Key West flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Atlanta to Key West?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Key West.
Can I find deals for business class flights from Atlanta to Key West?
Yes. Cheapflights offers flight deals from Atlanta to Key West by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Atlanta to Key West?
Currently, August is the cheapest month in which you can book a flight from Atlanta to Key West (average of $328). Flying from Atlanta to Key West in March is currently the most expensive (average of $493). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Atlanta to Key West

Atlanta to Miami flights

Atlanta to Fort Lauderdale flights

Atlanta to Orlando flights

Atlanta to Tampa flights

Atlanta to West Palm Beach flights

Atlanta to Jacksonville flights

Jacksonville to Miami flights

Atlanta to Fort Myers flights

Atlanta to Sarasota flights

Chattanooga to Orlando flights

Savannah to Miami flights

Jacksonville to Fort Lauderdale flights

Chattanooga to Miami flights

Atlanta to Panama City flights

Atlanta to Valparaiso flights

Tallahassee to Fort Lauderdale flights

Tallahassee to Miami flights

Chattanooga to Tampa flights

Atlanta to Pensacola flights

Asheville to Fort Lauderdale flights

Chattanooga to Fort Lauderdale flights

Asheville to Orlando Sanford Intl flights

Savannah to Fort Lauderdale flights

Chattanooga to Orlando Sanford Intl flights

Jacksonville to Key West flights

Asheville to Tampa flights

Atlanta to Daytona Beach flights

Chattanooga to Sarasota flights

Atlanta to St Petersburg flights

Asheville to Orlando flights

Atlanta to Melbourne flights

Asheville to Miami flights

Savannah to Tampa flights

Chattanooga to Panama City flights

Chattanooga to Fort Myers flights

Asheville to St Petersburg flights

Chattanooga to Daytona Beach flights

Asheville to Sarasota flights

Asheville to West Palm Beach flights

Chattanooga to Jacksonville flights

Savannah to Key West flights

Tallahassee to Key West flights

Augusta to Fort Lauderdale flights

Asheville to Fort Myers flights

Jacksonville to Pensacola flights

Atlanta to Orlando Sanford Intl flights

Savannah to Orlando flights

Tallahassee to West Palm Beach flights

Savannah to West Palm Beach flights

Other flights to Key West

Top 2 airlines flying from Atlanta to Key West

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$233	Average$420	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$248	Average$443	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$111+ Cheap flights from Atlanta to Key West (ATL - EYW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Atlanta to Key West with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Key West are usually found in September or August, booked 68 days in advance, depart on a Tuesday or Saturday and return on a Friday

Cheap flight deals from Atlanta to Key West

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Atlanta to Key West

Cheapest flights from Atlanta to Key WestExplore the most affordable flight options available from Atlanta to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Explore the most affordable flight options available from Atlanta to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Key West that are best for you.

Best time to book a flight from Atlanta to Key West

Have a flexible travel schedule? Discover the best time to fly to Key West from Atlanta with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Key West

How far ahead should I book a flight from Atlanta to Key West?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Key West. Price data was last updated on June 9, 2025.

What is the cheapest month to book a flight from Atlanta to Key West?

What is the cheapest time of day to fly from ATL to EYW?

Find hourly flight availability from Atlanta to Key West. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

Weekly flight availability from Atlanta to Key West

Explore weekly flight availability from Atlanta to Key West. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated junio 12, 2025.

Rainfall in Key West by month

Plan your trip to Key West by taking into account the average rainfall totals by month.

Temperature in Key West by month

Plan your trip to Key West by taking into account the average temperature totals by month.

Reviews of airlines servicing Key West

See what other customers who have flown with Delta, United Airlines and American Airlines from Atlanta to Key West have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Key West. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Atlanta to Key West?

What are the cheapest airlines flying from Atlanta to Key West round-trip?

What are the cheapest airlines to fly from Atlanta to Key West one-way?

What are the most reliable airlines from Atlanta to Key West?

What are the cheapest flights from Atlanta to Key West?

Can I find deals for flights from Atlanta to Key West that include hotel bookings?

How can I find direct flights from Atlanta to Key West?

Can I find deals for business class flights from Atlanta to Key West?

What is the cheapest month to book a flight from Atlanta to Key West?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Atlanta to Key West

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Atlanta to Key West

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Atlanta to Key West
Explore the most affordable flight options available from Atlanta to Key West. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.