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Key Largo

$105+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
HSV — MIA
Mar 29 — Apr 51
Sun 3/29
Sun 4/5
1 adult, Economy
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Cheap 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 February 27, 2026.

This American Airlines deal was found by Cheapflights users on 2/24. 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 3/246:33 am
HSV
-
MIA
1 stop5h 28m
American Airlines
Tue 3/316:24 pm
MIA
-
HSV
1 stop5h 23m
American Airlines
Deal found 2/24$251
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/58:51 am
HSV
-
MIA
1 stop6h 25m
United Airlines
Thu 5/218:48 am
MIA
-
HSV
1 stop7h 36m
United Airlines
Deal found 2/24$260
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/42:30 pm
HSV
-
MIA
1 stop7h 15m
United Airlines
Sat 4/116:15 am
MIA
-
HSV
1 stop7h 01m
United Airlines
Deal found 2/24$269
This United Airlines deal was found by Cheapflights users on 2/25. 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 8/228:35 am
HSV
-
MIA
1 stop5h 50m
United Airlines
Thu 8/276:30 am
MIA
-
HSV
2 stops13h 17m
United Airlines
Deal found 2/25$274
This United Airlines deal was found by Cheapflights users on 2/24. 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 5/58:51 am
HSV
-
MIA
2 stops13h 08m
United Airlines
Wed 5/2010:50 am
MIA
-
HSV
1 stop7h 01m
United Airlines
Deal found 2/24$276
This American Airlines deal was found by Cheapflights users on 2/24. 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 3/286:01 am
HSV
-
MIA
Nonstop2h 14m
American Airlines
Sat 4/410:24 pm
MIA
-
HSV
Nonstop2h 35m
American Airlines
Deal found 2/24$289
This United Airlines deal was found by Cheapflights users on 2/23. 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 10/243:05 pm
HSV
-
MIA
1 stop5h 45m
United Airlines
Sun 11/16:20 am
MIA
-
HSV
1 stop6h 42m
United Airlines
Deal found 2/23$291
This United Airlines deal was found by Cheapflights users on 2/24. 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 4/92:55 pm
HSV
-
MIA
1 stop6h 33m
United Airlines
Sat 4/116:15 am
MIA
-
HSV
1 stop7h 01m
United Airlines
Deal found 2/24$298
This Delta deal was found by Cheapflights users on 2/24. 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 4/255:28 pm
HSV
-
MIA
1 stop6h 26m
Delta
Tue 4/287:04 am
MIA
-
HSV
1 stop4h 03m
Delta
Deal found 2/24$299
This United Airlines deal was found by Cheapflights users on 2/26. 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 3/1012:50 pm
HSV
-
MIA
2 stops9h 16m
United Airlines
Wed 3/259:00 am
MIA
-
HSV
1 stop8h 51m
United Airlines
Deal found 2/26$300
This American Airlines deal was found by Cheapflights users on 2/26. 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 4/92:14 pm
HSV
-
MIA
1 stop7h 37m
American Airlines
Thu 4/167:45 am
MIA
-
HSV
1 stop5h 28m
American Airlines
Deal found 2/26$309

Find 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 February 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(American Airlines)

One-way from

$105
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$428
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. 17% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 27, 2026.
Use the filters below to find and compare flights from Huntsville to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Thu 4/23

8:10 am-4:16 pm

1 stop7h 06m

Miami

Tue 4/28

6:15 am-12:16 pm

1 stop7h 01m

$269

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 5/8

7:47 pm-12:47 am

1 stop4h 00m

Miami

Sat 5/16

6:00 am-9:04 am

1 stop4h 04m

$318

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Wed 8/5

9:12 am-3:43 pm

1 stop5h 31m

Miami

Mon 8/10

6:00 am-9:39 am

1 stop4h 39m

$351

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sat 4/11

2:30 pm-10:45 pm

1 stop7h 15m

Miami

Sun 4/19

6:05 am-12:16 pm

1 stop7h 11m

$370

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Wed 4/8

2:30 pm-10:45 pm

1 stop7h 15m

Miami

Mon 4/13

9:00 am-12:16 pm

1 stop28h 16m

$401

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Wed 4/8

8:00 am-2:10 pm

1 stop5h 10m

Miami

Mon 4/13

7:41 pm-11:06 pm

1 stop4h 25m

$425

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 5/15

2:55 pm-10:09 pm

1 stop6h 14m

Miami

Wed 5/20

4:15 pm-9:35 pm

1 stop6h 20m

$444

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Thu 4/9

8:10 am-4:16 pm

1 stop7h 06m

Miami

Thu 4/16

7:01 am-6:37 pm

2 stops12h 36m

$504

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Wed 6/3

7:02 pm-12:47 am

1 stop4h 45m

Miami

Mon 6/8

9:58 am-5:52 pm

1 stop8h 54m

$530

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Tue 5/19

6:00 pm-12:43 am

1 stop5h 43m

$126

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/23

Showing 1-10 of 20 resultsSorted by cheapest first
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 February 20, 2026.

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 $54). 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 February 27, 2026.

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

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 February 27, 2026.
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
8,242 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

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
7.9
Good
8,242 reviews
Delta
7.9
Good
8,242 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

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
9,351 reviews
Delta
7.9
Good
8,242 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

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
11,357 reviews
Delta
7.9
Good
8,242 reviews

Entertainment

7.8

Boarding

8.1

Crew

8.5

Comfort

7.9

Food

7.2

Overall

7.9

Reviews

1 / 20
2.0
Mediocre

Joseph,Aug 2023

MSP - MCO

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 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?

    United Airlines and Delta can get you from Huntsville to Key Largo in just under 4h. Your travel time can differ by up to 3h 06m. 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 (100%), American Airlines (67%) or Qatar Airways (67%) 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 $705 for a flight from Huntsville to Key Largo. The cheapest flight overall is $567 while the most popular route, (Huntsville - Miami) is currently priced at $251.

  • 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 $54). 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.

See more FAQs

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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 February 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$100FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$190Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$190Average$393FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$342FlexibilityNo cancel feeOn-time69%

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