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Key Largo

$195+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
HSV — MIA
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheapflights Tip: The best prices from Huntsville to Key Largo are usually found in August or July, booked 39 days in advance, depart on a Tuesday or Monday and return on a Sunday

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 July 29, 2025.

Round-trip from

$254
(United Airlines)

One-way from

$195
(Mytrip)

Popular in

March

Cheapest in

August

Average price

$310
From Huntsville to Key Largo
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One-way flight from Huntsville to Key Largo
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Highest demand for flights based on searches. 6% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 29, 2025.

This United Airlines deal was found by Cheapflights users on 7/28. 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.
Sat 8/1611:05 amHSV - MIA
1 stop8h 40mUnited Airlines
Sat 8/2312:04 pmMIA - HSV
1 stop5h 53mUnited Airlines
Deal found 7/28$254
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2710:17 amHSV - MIA
1 stop9h 28mAmerican Airlines
Wed 9/38:30 amMIA - HSV
1 stop10h 03mAmerican Airlines
Deal found 7/28$355
This Delta deal was found by Cheapflights users on 7/28. 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.
Sat 9/62:14 pmHSV - MIA
2 stops18h 52mDelta
Wed 9/107:55 pmMIA - HSV
1 stop26h 13mDelta
Deal found 7/28$394
This Mytrip deal was found by Cheapflights users on 7/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/227:32 pmHSV - MIA
3 stops22h 07mMultiple Airlines
Sun 8/245:12 pmMIA - HSV
2 stops17h 55mMultiple Airlines
Deal found 7/28$427

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 July 29, 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 8/16

11:05 am-8:45 pm

1 stop8h 40m

Miami

Sat 8/23

12:04 pm-4:57 pm

1 stop5h 53m

$254

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Wed 8/27

10:17 am-8:45 pm

1 stop9h 28m

Miami

Wed 9/3

8:30 am-5:33 pm

1 stop10h 03m

$355

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sat 9/6

2:14 pm-10:06 am

2 stops18h 52m

Miami

Wed 9/10

7:55 pm-9:08 pm

1 stop26h 13m

$394

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 8/22

7:32 pm-6:39 pm

3 stops22h 07m

Miami

Sun 8/24

5:12 pm-10:07 am

2 stops17h 55m

$427

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Fri 8/15

7:32 pm-6:39 pm

3 stops22h 07m

$195

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Tue 8/26

2:14 pm-9:28 pm

1 stop6h 14m

$220

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Tue 8/26

8:51 am-9:45 pm

2 stops11h 54m

$228

HuntsvilleMiami

HSV - MIA

HSVMIA

Huntsville

Sat 10/25

7:35 am-7:13 pm

2 stops10h 38m

$258

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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 July 25, 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 $232). Flying from Huntsville 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 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 July 29, 2025.

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.

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 Saturday evenings 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 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 July 29, 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
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

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 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. 3 airlines have flights to Key Largo from Huntsville on a regular basis.

  • 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 $220 on Delta. Other airlines that offer cheap prices include American Airlines from $228 and United Airlines from $258 one-way.

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

    Consider American Airlines (67%), Envoy Air (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 $879 for a flight from Huntsville to Key Largo. The cheapest flight overall is $568 while the most popular route, (Huntsville - Miami) is currently priced at $254.

  • 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 $232). Flying from Huntsville 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

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Top 3 airlines flying from Huntsville to Key Largo

Discover the top 3 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$190Average$410FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$193Average$399FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$212Average$377FlexibilityNo cancel feeOn-time69%

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