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Key Largo

$134+ Cheap flights from Harrisburg (MDT) 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDT — MIA
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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The best prices from Harrisburg to Key Largo are usually found in September or May, booked 46 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap flight deals from Harrisburg to Key Largo

Discover tips and strategies to find the most affordable flight options for your journey from Harrisburg (MDT) 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 January 21, 2025.

Round-trip from

$259
(Delta)

One-way from

$134
(Mytrip)

Popular in

January

Cheapest in

September

Average price

$641
From Harrisburg to Key Largo
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One-way flight from Harrisburg to Key Largo
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Highest demand for flights based on searches. 9% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Find flight deals from Harrisburg to Key Largo

Cheapest flights from Harrisburg to Key Largo
Explore the most affordable flight options available from Harrisburg to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Delta deal was found by Cheapflights users on 1/21. 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 2/196:00 pmMDT - MIA
1 stop6h 51mDelta
Thu 2/276:00 amMIA - MDT
1 stop6h 11mDelta
Deal found 1/21$259
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/13:30 pmMDT - MIA
Nonstop2h 52mAmerican Airlines
Sat 3/812:00 pmMIA - MDT
Nonstop2h 58mAmerican Airlines
Deal found 1/20$280
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/38:49 pmMDT - MIA
2 stops21h 36mMultiple Airlines
Thu 3/62:32 pmMIA - MDT
3 stops29h 16mMultiple Airlines
Deal found 1/20$306
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Thu 3/136:10 amMDT - MIA
1 stop8h 52mUnited Airlines
Wed 3/1912:19 pmMIA - MDT
1 stop9h 05mUnited Airlines
Deal found 1/19$409

Find flights from Harrisburg to Key Largo within your budget

Customize your flight search to find flights from Harrisburg 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Wed 2/19

6:00 pm-12:51 am

1 stop6h 51m

Miami

Wed 2/26

10:28 am-5:13 pm

1 stop6h 45m

$259

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Sat 3/1

3:30 pm-6:22 pm

Nonstop2h 52m

Miami

Sat 3/8

12:00 pm-2:58 pm

Nonstop2h 58m

$280

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Mon 3/3

8:49 pm-6:25 pm

2 stops21h 36m

Miami

Thu 3/6

2:32 pm-7:48 pm

3 stops29h 16m

$306

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Thu 3/13

6:10 am-3:02 pm

1 stop8h 52m

Miami

Wed 3/19

12:19 pm-9:24 pm

1 stop9h 05m

$409

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Mon 3/10

8:38 pm-11:56 pm

2 stops27h 18m

$134

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Thu 2/20

6:00 pm-12:51 am

1 stop6h 51m

$198

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Sat 2/15

3:30 pm-6:22 pm

Nonstop2h 52m

$200

HarrisburgMiami

MDT - MIA

MDTMIA

Harrisburg

Sat 4/19

8:15 am-2:55 pm

1 stop6h 40m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Best time to book a flight from Harrisburg to Key Largo

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

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

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

Use this chart to determine the optimal time to book a round-trip flight from Harrisburg to Key Largo. Price data was last updated on January 17, 2025.

Booking 46 days in advance of your planned departure date is, on average, the best time to get cheap flights from Harrisburg to Key Largo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from Harrisburg to Key Largo (average of $230). Flying from Harrisburg 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 MDT to KE9?

Find hourly flight availability from Harrisburg 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 January 21, 2025.

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

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

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

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

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 January 21, 2025.
To help decide which airline to fly from Harrisburg to Key Largo, see what other customers have to say about United Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Overall

8.0

Boarding

8.2

Reviews

1 / 10

Even if you have delta comfort plus, they will move your overhead bag. One of the perks for upgrading is that you have dedicated space for your carry on with comfort plus with delta. They moved my carry on luggage (3) compartments back and put in bags for other passengers that should have gone under their respective seats. When deboarding the plane, there was no help from anyone to retrieve my luggage back several rows. Delta is turning into pure garbage.

Related info for your journey

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

    Harrisburg (MDT), located 8.5 mi from the city center, is the airport you fly out of when you book flights from Harrisburg to Key Largo. 4 airlines have flights from Harrisburg to Key Largo on a regular basis. Booking flights from Harrisburg to Key Largo should not be difficult; the airport handles an average of 0 outbound flights to Key Largo per day.

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

    For one-way options, check prices for Delta. According to our data, you can fly for as low as $198. Users have also found prices from $200 and $250 on American Airlines and United Airlines, respectively.

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

    Looking for the cheapest flight from Harrisburg to Key Largo? While on average our users pay $618, our data indicates the cheapest price to be $199. The most popular route (Harrisburg - Miami), is priced around $259.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Harrisburg to Key Largo (average of $230). Flying from Harrisburg 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.

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Top 4 airlines flying from Harrisburg to Key Largo

Discover the top 4 airlines that operate flights from Harrisburg 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$108Average$173FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$225Average$439FlexibilityNo cancel feeOn-time71%
DeltaCheapest$253Average$544FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$317Average$530FlexibilityNo cancel feeOn-time69%
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