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Key Largo

$125+ Cheap flights from Lexington (LEX) 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — MIA
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
1 adult, Economy
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Cheapflights Tip: The best prices from Lexington Blue Grass to Key Largo are usually found in September or August, booked 31 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Find flight deals from Lexington to Key Largo

Cheapest flights from Lexington to Key Largo
Explore the most affordable flight options available from Lexington to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 10, 2025.

This Delta deal was found by Cheapflights users on 10/8. 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.
Sat 11/85:57 pmLEX - MIA
1 stop6h 32mDelta
Tue 11/1112:36 pmMIA - LEX
1 stop6h 38mDelta
Deal found 10/8$249
This Delta deal was found by Cheapflights users on 10/8. 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.
Wed 10/293:46 pmLEX - MIA
1 stop5h 05mDelta
Fri 10/316:15 pmMIA - LEX
1 stop5h 50mDelta
Deal found 10/8$250
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 12/46:10 pmLEX - MIA
1 stop4h 23mAmerican Airlines
Sun 12/76:00 amMIA - LEX
1 stop4h 54mAmerican Airlines
Deal found 10/9$253
This American Airlines deal was found by Cheapflights users on 10/9. 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.
Mon 10/278:02 pmLEX - MIA
1 stop4h 27mAmerican Airlines
Sun 11/25:18 amMIA - LEX
1 stop8h 11mAmerican Airlines
Deal found 10/9$254
This Delta deal was found by Cheapflights users on 10/8. 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.
Sat 10/185:57 pmLEX - MIA
1 stop6h 32mDelta
Sat 10/256:00 amMIA - LEX
1 stop6h 18mDelta
Deal found 10/8$284
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Fri 10/317:05 amLEX - MIA
2 stops10h 07mUnited Airlines
Sat 11/16:05 amMIA - LEX
2 stops11h 05mUnited Airlines
Deal found 10/8$289
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Wed 11/197:05 amLEX - MIA
2 stops12h 47mUnited Airlines
Sat 11/226:45 amMIA - LEX
1 stop6h 32mUnited Airlines
Deal found 10/7$292
This Delta deal was found by Cheapflights users on 10/7. 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.
Sun 11/98:07 pmLEX - MIA
1 stop4h 39mDelta
Sat 11/157:00 amMIA - LEX
1 stop5h 20mDelta
Deal found 10/7$294
This Delta deal was found by Cheapflights users on 10/8. 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.
Thu 10/1610:05 amLEX - MIA
1 stop7h 05mDelta
Sat 10/188:11 amMIA - LEX
1 stop6h 48mDelta
Deal found 10/8$309
This Delta deal was found by Cheapflights users on 10/8. 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.
Sat 10/115:57 pmLEX - MIA
1 stop6h 32mDelta
Tue 10/2112:09 pmMIA - LEX
1 stop7h 05mDelta
Deal found 10/8$324
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/2810:40 amLEX - MIA
2 stops12h 24mUnited Airlines
Sun 11/27:00 amMIA - LEX
1 stop6h 17mUnited Airlines
Deal found 10/8$329

Cheap flight deals from Lexington to Key Largo

Keep the following information in mind while searching for Lexington to Key Largo flight deals. Data was last updated October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$249
(Delta)

One-way from

$125
(Delta)

Popular in

October

Cheapest in

September

Average price

$546
Provider with most accurate pricing for Lexington Blue Grass-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lexington Blue Grass-Miami flights.
Search Deals
From Lexington Blue Grass to Key Largo
Search Deals
One-way flight from Lexington Blue Grass to Key Largo
Search Deals
High demand for flights, 5% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Lexington 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 2,558,603 searches. Data last updated October 10, 2025.
Use the filters below to find and compare flights from Lexington to Key Largo that are best for you.

Fly from

Lexington

Fly to

Key Largo

Route

Depart

Return

Price

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Sat 11/15

5:39 pm-12:46 am

1 stop7h 07m

Miami

Tue 11/18

8:05 am-2:55 pm

1 stop6h 50m

$249

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Wed 1/21

11:00 am-5:20 pm

1 stop6h 20m

Miami

Sun 1/25

6:00 am-10:28 am

1 stop4h 28m

$249

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Fri 2/20

5:49 pm-12:57 am

1 stop7h 08m

Miami

Sat 2/28

7:00 am-12:40 pm

1 stop5h 40m

$249

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Sat 11/1

10:40 am-9:38 pm

2 stops10h 58m

Miami

Sat 11/8

6:45 am-1:17 pm

1 stop6h 32m

$254

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Mon 10/27

8:02 pm-12:29 am

1 stop4h 27m

Miami

Sun 11/2

5:18 am-1:29 pm

1 stop8h 11m

$254

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Fri 10/31

7:05 am-5:12 pm

2 stops10h 07m

Miami

Sat 11/1

6:45 am-1:17 pm

1 stop6h 32m

$284

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Wed 11/19

7:05 am-7:52 pm

2 stops12h 47m

Miami

Sat 11/22

6:45 am-1:17 pm

1 stop6h 32m

$292

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Fri 1/30

4:35 pm-10:22 pm

1 stop5h 47m

Miami

Sun 2/1

8:35 am-3:37 pm

1 stop7h 02m

$294

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Sun 11/9

8:07 pm-12:46 am

1 stop4h 39m

Miami

Sat 11/15

7:00 am-12:20 pm

1 stop5h 20m

$294

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Sun 2/8

8:35 am-8:22 pm

2 stops11h 47m

Miami

Wed 2/18

4:10 pm-11:44 pm

1 stop7h 34m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 22 results
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Best time to book a flight from Lexington to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Lexington to Key Largo. Price data was last updated on October 3, 2025.

To ensure you get the cheapest price possible for a flight from Lexington to Key Largo, you should look to book at least 31 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Lexington to Key Largo?

Currently, December is the cheapest month in which you can book a flight from Lexington to Key Largo (average of $44). Flying from Lexington to Key Largo in June is currently the most expensive (average of $76). 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 LEX to KE9?

Find hourly flight availability from Lexington 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 October 10, 2025.

A simple way to save on the total cost of your ticket is to fly from Lexington to Key Largo in the evening. If you’re flexible enough to do this you can expect to save up to 38% on your trip compared to booking a flight in the morning.

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

Use this chart to determine the cheapest time to fly round-trip from Lexington to Key Largo. Price data was last updated on December 16, 2024.

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

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 October 10, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Lexington to Key Largo have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,969 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,968 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
11,043 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Allegiant Air
7.2
Good
697 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,143 reviews
Delta
8.0
Very good
7,969 reviews

Comfort

7.9

Food

7.3

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Lexington 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 Lexington to Key Largo?

    Located just 5.6 mi from the city center, Lexington Blue Grass is the airport most travelers will use when flying to Key Largo from Lexington. Booking flights from Blue Grass (LEX) to Key Largo should be relatively easy as there are 0 daily outbound flights to Key Largo from 5 different airlines.

  • How long is the flight from Lexington to Key Largo?

    Departing from Lexington to Key Largo will take you 4h 27m. Airlines will cover a distance of 882 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, December is the cheapest month in which you can book a flight from Lexington to Key Largo (average of $44). Flying from Lexington to Key Largo in June is currently the most expensive (average of $76). 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

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Top 5 airlines flying from Lexington to Key Largo

Discover the top 5 airlines that operate flights from Lexington 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 2,558,603 searches. Data last updated October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$50Average$150FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$82Average$147FlexibilityNo cancel feeOn-time88%
DeltaCheapest$218Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$222Average$463FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$391FlexibilityNo cancel feeOn-time69%

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