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Key Largo

$118+ Cheap flights from Huntsville (HSV) 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
HSV — MIA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheapflights Tip: The best prices from Huntsville to Key Largo are usually found in July or April, booked 39 days in advance, depart on a Tuesday or Monday and return on a Saturday

Find flight deals from Huntsville to Key Largo

Cheapest flights from Huntsville to Key Largo
Explore the most affordable flight options available from Huntsville to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Delta deal was found by Cheapflights users on 10/30. 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 12/31:13 pmHSV - MIA
1 stop6h 38mDelta
Wed 12/176:00 amMIA - HSV
1 stop4h 09mDelta
Deal found 10/30$249
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Mon 11/2412:40 pmHSV - MIA
2 stops10h 19mUnited Airlines
Thu 11/276:20 amMIA - HSV
1 stop8h 31mUnited Airlines
Deal found 10/30$254
This Delta deal was found by Cheapflights users on 10/28. 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 11/135:20 amHSV - MIA
1 stop6h 34mDelta
Sat 11/157:00 amMIA - HSV
1 stop6h 27mDelta
Deal found 10/28$259
This United Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 11/167:30 amHSV - MIA
1 stop6h 21mUnited Airlines
Sun 11/239:00 amMIA - HSV
1 stop5h 51mUnited Airlines
Deal found 10/30$264
This Delta deal was found by Cheapflights users on 10/30. 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 11/135:20 amHSV - MIA
1 stop5h 01mDelta
Wed 11/197:00 amMIA - HSV
1 stop6h 27mDelta
Deal found 10/30$279
This Mytrip deal was found by Cheapflights users on 10/29. 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 12/511:04 amHSV - MIA
2 stops23h 08mMultiple Airlines
Sun 12/76:05 amMIA - HSV
3 stops29h 09mMultiple Airlines
Deal found 10/29$284
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/87:05 pmHSV - MIA
1 stop4h 41mAmerican Airlines
Sat 11/156:00 amMIA - HSV
1 stop5h 19mAmerican Airlines
Deal found 10/30$309
This Delta deal was found by Cheapflights users on 10/27. 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 11/132:40 pmHSV - MIA
1 stop6h 33mDelta
Mon 11/176:00 amMIA - HSV
1 stop4h 13mDelta
Deal found 10/27$319
This United Airlines deal was found by Cheapflights users on 10/28. 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 11/132:26 pmHSV - MIA
1 stop6h 32mUnited Airlines
Sat 11/156:05 amMIA - HSV
2 stops12h 23mUnited Airlines
Deal found 10/28$334

Cheap flight deals from Huntsville to Key Largo

Keep the following information in mind while searching for Huntsville to Key Largo flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$239
(American Airlines)

One-way from

$118
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$329
Provider with most accurate pricing for Huntsville-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for Huntsville-Miami flights.
Search Deals
From Huntsville to Key Largo
Search Deals
One-way flight from Huntsville to Key Largo
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($20 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 Huntsville 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 30, 2025.
Use the filters below to find and compare flights from Huntsville to Key Largo that are best for you.

Fly from

Huntsville

Fly to

Key Largo

Route

Depart

Return

Price

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Thu 1/15

2:59 pm-9:10 pm

1 stop5h 11m

Miami

Mon 2/2

7:07 am-1:03 pm

1 stop6h 56m

$249

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Thu 3/12

7:40 pm-12:57 am

1 stop4h 17m

Miami

Wed 3/18

2:03 pm-6:57 pm

1 stop5h 54m

$249

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 1/9

1:29 pm-10:22 pm

1 stop7h 53m

Miami

Sat 1/17

7:07 am-1:03 pm

1 stop6h 56m

$249

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 1/9

5:24 pm-12:51 am

1 stop6h 27m

Miami

Sat 1/17

6:00 am-11:56 am

1 stop6h 56m

$249

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Wed 2/18

5:20 pm-12:57 am

1 stop6h 37m

Miami

Tue 2/24

8:05 am-12:46 pm

1 stop5h 41m

$249

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Thu 3/12

2:00 pm-10:39 pm

1 stop7h 39m

Miami

Wed 3/18

2:29 pm-11:07 pm

2 stops9h 38m

$254

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Mon 11/24

12:40 pm-11:59 pm

2 stops10h 19m

Miami

Thu 11/27

6:20 am-1:51 pm

1 stop8h 31m

$254

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sun 11/16

7:30 am-2:51 pm

1 stop6h 21m

Miami

Sun 11/23

9:00 am-1:51 pm

1 stop5h 51m

$264

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sat 2/21

2:50 pm-9:02 pm

1 stop5h 12m

Miami

Fri 2/27

8:05 am-1:54 pm

1 stop6h 49m

$274

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 2/20

7:40 pm-12:57 am

1 stop4h 17m

Miami

Fri 2/27

8:05 am-1:54 pm

1 stop6h 49m

$274

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 20 results
1
2

Best time to book a flight from Huntsville to Key Largo

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

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

Use this chart to determine the optimal time to book a round-trip flight from Huntsville to Key Largo. Price data was last updated on October 24, 2025.

The best time to book flights from Huntsville to Key Largo is 39 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, September is the cheapest month in which you can book a flight from Huntsville to Key Largo (average of $55). Flying from Huntsville to Key Largo in June is currently the most expensive (average of $79). 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 HSV to KE9?

Find hourly flight availability from Huntsville 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 30, 2025.

One of the essential ways to save on airfare from Huntsville to Key Largo is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 21% on airfare.

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

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

Travelers seeking maximum savings on their Huntsville to Key Largo flight should consider departing on Friday mornings when fares are most often at their lowest. Thursday afternoons 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 Huntsville 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 October 30, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Huntsville 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
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,035 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

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

    For a flight from Huntsville to Key Largo, you will be flying from Huntsville. Huntsville (HSV) is just 12.4 mi from the center of the city. Huntsville is the only Huntsville airport and it handles 0 outbound flights to Key Largo per day. 4 airlines have flights to Key Largo from Huntsville on a regular basis.

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

    American Airlines and Delta can get you from Huntsville to Key Largo in just under 4h 17m. Your travel time can differ by up to 54m. Airlines will cover a distance of 723 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Consider Atlas Air (75%), American Airlines (33%) or Qatar Airways (33%) when booking your flight. These represent the most reliable airlines when flying from Huntsville to Key Largo.

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

    On average you can expect to pay $507 for a flight from Huntsville to Key Largo. The cheapest flight overall is $329 while the most popular route, (Huntsville - Miami) is currently priced at $249.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Huntsville to Key Largo (average of $55). Flying from Huntsville to Key Largo in June is currently the most expensive (average of $79). 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 Huntsville to Key Largo

Discover the top 4 airlines that operate flights from Huntsville 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 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$81Average$97FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$190Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$190Average$400FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$393FlexibilityNo cancel feeOn-time69%

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