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Key Largo

$98+ 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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
HSV — MIA
Jan 20 — Jan 271
Tue 1/20
Tue 1/27
1 adult, Economy
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Cheapflights Tip: The best prices from Huntsville to Key Largo are usually found in September or May, booked 35 days in advance, depart on a Tuesday or Monday and return on a Saturday

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 December 21, 2025.

This American Airlines deal was found by Cheapflights users on 12/18. 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 12/206:00 amHSV - MIA
Nonstop2h 14mAmerican Airlines
Sun 12/217:00 pmMIA - HSV
1 stop5h 46mAmerican Airlines
Deal found 12/18$399
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Wed 12/242:04 pmHSV - MIA
1 stop5h 30mAmerican Airlines
Thu 12/257:00 amMIA - HSV
1 stop7h 38mAmerican Airlines
Deal found 12/20$499
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:01 pmHSV - MIA
1 stop4h 46mAmerican Airlines
Mon 12/296:00 amMIA - HSV
1 stop5h 20mAmerican Airlines
Deal found 12/21$664
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/249:38 amHSV - MIA
1 stop18h 57mMultiple Airlines
Thu 12/259:59 pmMIA - HSV
2 stops16h 34mMultiple Airlines
Deal found 12/20$690
This American Airlines deal was found by Cheapflights users on 12/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:00 amHSV - MIA
Nonstop2h 14mAmerican Airlines
Fri 1/27:00 amMIA - HSV
1 stop7h 38mAmerican Airlines
Deal found 12/21$760
This American Airlines deal was found by Cheapflights users on 12/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/287:01 pmHSV - MIA
1 stop4h 46mAmerican Airlines
Sun 1/46:00 amMIA - HSV
1 stop5h 20mAmerican Airlines
Deal found 12/19$814
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Fri 12/267:01 pmHSV - MIA
1 stop11h 10mAmerican Airlines
Sun 12/286:00 amMIA - HSV
1 stop5h 20mAmerican Airlines
Deal found 12/20$826
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/206:10 pmHSV - MIA
1 stop5h 58mUnited Airlines
Sun 12/211:15 pmMIA - HSV
2 stops11h 16mUnited Airlines
Deal found 12/18$835

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 December 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$230
(American Airlines)

One-way from

$98
(Kiwi.com)

Popular in

March

Cheapest in

September

Average price

$488
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. 8% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 21, 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

Sat 2/7

6:00 am-9:15 am

Nonstop2h 15m

Miami

Tue 2/10

11:13 am-5:33 pm

1 stop7h 20m

$241

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sat 2/7

6:15 am-1:26 pm

1 stop6h 11m

Miami

Sat 2/14

6:35 pm-11:30 pm

1 stop5h 55m

$250

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 5/8

2:55 pm-10:27 pm

1 stop6h 32m

Miami

Sat 5/16

6:15 am-12:15 pm

1 stop7h 00m

$269

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sat 2/21

2:57 pm-8:44 pm

1 stop4h 47m

Miami

Fri 2/27

6:00 am-9:26 am

1 stop4h 26m

$270

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Thu 2/5

6:47 pm-12:51 am

1 stop5h 04m

Miami

Sat 2/7

5:50 am-9:15 am

1 stop4h 25m

$270

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sun 1/4

6:10 pm-1:08 am

1 stop5h 58m

Miami

Sun 1/11

6:20 am-12:15 pm

1 stop6h 55m

$274

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 2/20

6:55 pm-12:53 am

1 stop4h 58m

Miami

Fri 2/27

6:00 am-9:26 am

1 stop4h 26m

$314

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 5/29

7:40 pm-12:56 am

1 stop4h 16m

Miami

Mon 6/1

7:00 am-11:04 am

1 stop5h 04m

$314

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Tue 2/3

11:15 am-6:25 pm

1 stop6h 10m

Miami

Sat 2/7

9:05 am-2:01 pm

1 stop5h 56m

$321

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 1/16

2:41 pm-12:42 am

2 stops33h 01m

$102

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/20

Showing 1-10 of 17 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 December 12, 2025.

The best time to book flights from Huntsville to Key Largo is 35 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 December 21, 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 23% 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.

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 December 21, 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
8,021 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,021 reviews
Delta
7.9
Good
8,021 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,099 reviews
Delta
7.9
Good
8,021 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,021 reviews

Crew

8.5

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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, United Airlines, and Delta can get you from Huntsville to Key Largo in just under 2h 15m. Your travel time can differ by up to 3h 56m. 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 cheapest airlines to fly from Huntsville to Key Largo one-way?

    One-way options have recently been found by users for as low as $95 on American Airlines. Other airlines that offer cheap prices include Delta from $95 and United Airlines from $160 one-way.

  • 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.

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 December 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$78Average$97FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$190Average$400FlexibilityNo cancel feeOn-time71%
DeltaCheapest$190Average$381FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$345FlexibilityNo cancel feeOn-time69%

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