HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Key Largo

$154+ 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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
LEX — MIA
Aug 7 — Aug 141
Thu 8/7
Thu 8/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Lexington to Key Largo 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 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

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 August 2, 2025.

Round-trip from

$248
(American Airlines)

One-way from

$154
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$269
From Lexington Blue Grass to Key Largo
Search Deals
One-way flight from Lexington Blue Grass to Key Largo
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($46 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 August 2025
Search Deals

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 August 2, 2025.

This American Airlines deal was found by Cheapflights users on 8/1. 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 10/238:02 pmLEX - MIA
1 stop4h 27mAmerican Airlines
Tue 10/2811:50 amMIA - LEX
1 stop5h 01mAmerican Airlines
Deal found 8/1$248
This Delta deal was found by Cheapflights users on 7/31. 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.
Fri 8/155:54 pmLEX - MIA
1 stop6h 30mDelta
Tue 8/196:00 amMIA - LEX
1 stop6h 18mDelta
Deal found 7/31$259
This Mytrip deal was found by Cheapflights users on 7/31. 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.
Thu 10/2310:33 pmLEX - MIA
1 stop20h 15mMultiple Airlines
Sat 11/19:07 pmMIA - LEX
2 stops22h 38mMultiple Airlines
Deal found 7/31$313
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 9/207:00 amLEX - MIA
2 stops10h 16mUnited Airlines
Thu 9/254:17 pmMIA - LEX
1 stop7h 42mUnited Airlines
Deal found 7/31$321

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 August 2, 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

Thu 10/23

8:02 pm-12:29 am

1 stop4h 27m

Miami

Tue 10/28

11:50 am-4:51 pm

1 stop5h 01m

$248

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Fri 8/15

5:54 pm-12:24 am

1 stop6h 30m

Miami

Tue 8/19

6:00 am-12:18 pm

1 stop6h 18m

$259

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Thu 10/23

10:33 pm-6:48 pm

1 stop20h 15m

Miami

Sat 11/1

9:07 pm-7:45 pm

2 stops22h 38m

$313

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Sat 9/20

7:00 am-5:16 pm

2 stops10h 16m

Miami

Thu 9/25

4:17 pm-11:59 pm

1 stop7h 42m

$321

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Thu 9/11

12:16 pm-5:40 pm

3 stops29h 24m

$154

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Tue 9/30

6:05 am-5:44 pm

1 stop11h 39m

$172

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Sat 8/30

2:15 pm-10:53 pm

1 stop8h 38m

$229

LexingtonMiami

LEX - MIA

LEXMIA

Lexington Blue Grass

Wed 8/20

11:07 am-10:15 pm

2 stops11h 08m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 July 25, 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, September is the cheapest month in which you can book a flight from Lexington to Key Largo (average of $232). Flying from Lexington to Key Largo in March is currently the most expensive (average of $289). 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 August 2, 2025.

When flying from Lexington to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 Tuesday afternoons when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Lexington to Key Largo?

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 August 2, 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
7,983 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
7,983 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
8,904 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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
10,000 reviews
Delta
8.0
Very good
7,983 reviews

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Food

7.3

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.

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

    One-way options have recently been found by users for as low as $172 on Delta. Other airlines that offer cheap prices include American Airlines from $229 and United Airlines from $244 one-way.

  • 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, September is the cheapest month in which you can book a flight from Lexington to Key Largo (average of $232). Flying from Lexington to Key Largo in March is currently the most expensive (average of $289). 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

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

Alternative routes for Lexington to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
Cincinnati to Orlando flights
Cincinnati to Fort Lauderdale flights
Cincinnati to Miami flights
Cincinnati to Tampa flights
Nashville to Orlando flights
Nashville to Fort Lauderdale flights
Cincinnati to Orlando Sanford Intl flights
Cincinnati to Fort Myers flights
Nashville to Miami flights
Louisville to Orlando flights
Louisville to Miami flights
Lexington to Orlando flights
Nashville to Tampa flights
Louisville to Fort Lauderdale flights
Cincinnati to Pensacola flights
Louisville to Tampa flights
Cincinnati to St Petersburg flights
Nashville to Pensacola flights
Knoxville to Orlando Sanford Intl flights
Nashville to Panama City flights
Cincinnati to Valparaiso flights
Cincinnati to West Palm Beach flights
Cincinnati to Panama City flights
Knoxville to Miami flights
Nashville to West Palm Beach flights
Knoxville to Orlando flights
Nashville to Key West flights
Cincinnati to Sarasota flights
Knoxville to Fort Lauderdale flights
Lexington to Miami flights
Nashville to Jacksonville flights
Louisville to Sarasota flights
Knoxville to Tampa flights
Cincinnati to Key West flights
Blountville to Jacksonville flights
Nashville to Fort Myers flights
Lexington to Sarasota flights
Cincinnati to Punta Gorda flights
Lexington to Tampa flights
Evansville to Miami flights
Lexington to Pensacola flights
Louisville to Orlando Sanford Intl flights
Lexington to Orlando Sanford Intl flights
Louisville to West Palm Beach flights
Louisville to Fort Myers flights
Cincinnati to Jacksonville flights
Louisville to Pensacola flights
Louisville to St Petersburg flights
Cincinnati to Daytona Beach flights
Lexington to Daytona Beach flights

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 August 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$50Average$149FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$82Average$140FlexibilityNo cancel feeOn-time88%
DeltaCheapest$199Average$388FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$218Average$438FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$318Average$411FlexibilityNo cancel feeOn-time69%

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.