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Key Largo

$89+ Cheap flights from Louisville (SDF) to Key Largo, FL

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 12/31. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — MIA
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from Louisville Intl to Key Largo are usually found in January or April, booked 25 days in advance, depart on a Tuesday or Thursday and return on a Tuesday

Cheap flight deals from Louisville to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Key Largo (KE9). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 20, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$196
(Delta)

One-way from

$89
(American Airlines)
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 16% potential price drop
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From Louisville Intl to Key Largo
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One-way flight from Louisville Intl to Key Largo
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Find flight deals from Louisville to Key Largo

Cheapest flights from Louisville to Key Largo
Explore the most affordable flight options available from Louisville to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This Delta deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/108:10 amSDF - MIA
1 stop5h 00mDelta
Wed 12/118:30 amMIA - SDF
1 stop5h 57mDelta
Deal found 11/19$196
This American Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/108:01 amSDF - MIA
1 stop6h 49mAmerican Airlines
Wed 12/119:09 pmMIA - SDF
Nonstop2h 47mAmerican Airlines
Deal found 11/19$218
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/173:17 pmSDF - MIA
1 stop8h 29mUnited Airlines
Tue 12/244:13 pmMIA - SDF
1 stop7h 23mUnited Airlines
Deal found 11/19$241
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/169:11 amSDF - MIA
2 stops14h 13mMultiple Airlines
Wed 12/185:45 amMIA - SDF
2 stops13h 14mMultiple Airlines
Deal found 11/19$262
This Mytrip deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/139:53 pmSDF - MIA
2 stops23h 37mSpirit Airlines
Sun 12/155:48 amMIA - SDF
2 stops15h 10mSpirit Airlines
Deal found 11/19$305
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:10 amSDF - MIA
1 stop8h 50mSouthwest
Wed 12/2512:00 pmMIA - SDF
2 stops9h 10mSouthwest
Deal found 11/20$323

Find flights from Louisville to Key Largo within your budget

Customize your flight search to find flights from Louisville to Key Largo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 12/10

8:10 am-1:10 pm

1 stop5h 00m

Miami

Wed 12/11

8:30 am-2:27 pm

1 stop5h 57m

$196

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Sun 1/12

6:00 am-8:46 am

Nonstop2h 46m

Miami

Sat 1/18

9:31 pm-12:19 am

Nonstop2h 48m

$210

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 12/17

3:17 pm-11:46 pm

1 stop8h 29m

Miami

Tue 12/24

4:13 pm-11:36 pm

1 stop7h 23m

$241

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 12/16

9:11 am-11:24 pm

2 stops14h 13m

Miami

Wed 12/18

5:45 am-6:59 pm

2 stops13h 14m

$262

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Fri 12/6

9:53 pm-9:30 pm

2 stops23h 37m

Miami

Mon 12/9

5:48 am-8:58 pm

2 stops15h 10m

$304

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Thu 1/23

9:00 am-6:35 pm

2 stops9h 35m

Miami

Mon 1/27

3:50 pm-10:00 pm

1 stop6h 10m

$305

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 12/31

6:00 am-8:44 am

Nonstop2h 44m

$89

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 12/31

4:36 pm-9:24 pm

1 stop4h 48m

$98

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Mon 1/20

6:00 am-2:41 pm

1 stop8h 41m

$118

LouisvilleMiami

SDF - MIA

SDFMIA

Louisville Intl

Tue 1/7

7:54 pm-3:07 pm

2 stops19h 13m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 12 results
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Best time to book a flight from Louisville to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from Louisville 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.

Travel insights for flights from Louisville to Key Largo

Get recent, data-driven insights about flights from Louisville to Key Largo including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Louisville to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from Louisville to Key Largo. Price data was last updated on November 15, 2024.

The price you pay for your flight from Louisville to Key Largo may vary depending on when you book. For the best chance of a lower fare, look to book 25 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 Louisville to Key Largo?

Currently, September is the cheapest month in which you can book a flight from Louisville to Key Largo (average of $218). Flying from Louisville to Key Largo in March is currently the most expensive (average of $286). 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 SDF to KE9?

Find hourly flight availability from Louisville to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisville to Key Largo as you normally would.

What is the cheapest day to fly from Louisville to Key Largo?

Use this chart to determine the cheapest time to fly round-trip from Louisville to Key Largo. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Louisville to Key Largo flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Louisville to Key Largo

Explore weekly flight availability from Louisville to Key Largo. 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 November 20, 2024.

The most flights from SDF to KE9 are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in Key Largo by month

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

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

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

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July 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 68.0 F).

Reviews of airlines servicing Key Largo

Get insights into the airlines that provide service to Key Largo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Key Largo. Reviews last updated November 20, 2024.
See what other customers who have flown with Spirit Airlines, Delta and American Airlines from Louisville to Key Largo have to say. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,014 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,756 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,171 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Spirit Airlines
6.3
Okay
8,174 reviews
Southwest
8.1
Very good
5,014 reviews

Food

7.2

Comfort

8.1

Entertainment

7.7

Overall

8.1

Boarding

8.2

Crew

8.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

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

  • What airport do you fly from for flights from Louisville to Key Largo?

    Most people fly from Louisville Intl (SDF) if they book a flight from Louisville to Key Largo. On average, Louisville Intl has 2 outbound flights to Key Largo per day from 6 airlines. Louisville Intl is conveniently located just 5.3 mi from Louisville’s city center.

  • How popular is this Louisville to Key Largo flight route?

    Flights from Louisville Intl to Key Largo have been viewed 5 times in the past calendar month.

  • What are the cheapest airlines to fly from Louisville to Key Largo one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $89. Delta flights start at $98 while deals on United Airlines start at $118 one-way.

  • What are the most reliable airlines from Louisville to Key Largo?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Louisville to Key Largo on time: American Airlines (63%), Envoy Air (56%), Qatar Airways (48%).

  • What are the cheapest flights from Louisville to Key Largo?

    While on average a flight from Louisville to Key Largo is generally $364, our data shows the cheapest flight currently is $169. When looking at the most popular route, (Louisville Intl - Miami), you can expect to pay $196 for that flight.

  • Can I find deals for flights from Louisville to Key Largo that include hotel bookings?

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

  • How can I find direct flights from Louisville to Key Largo?

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

  • Can I find deals for business class flights from Louisville to Key Largo?

    Yes. Cheapflights offers flight deals from Louisville to Key Largo 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 Louisville to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from Louisville to Key Largo (average of $218). Flying from Louisville to Key Largo in March is currently the most expensive (average of $286). 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.

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Top 6 airlines flying from Louisville to Key Largo

Discover the top 6 airlines that operate flights from Louisville to Key Largo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$43Average$126FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$76Average$148FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$197Average$376FlexibilityNo cancel feeOn-time71%
DeltaCheapest$208Average$384FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$495FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$260Average$459FlexibilityNo cancel feeOn-time63%
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