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Key Largo

$54+ Cheap flights from Louisiana 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 12/13. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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Find flight deals from Louisiana to Key Largo

Cheapest flights from Louisiana to Key Largo
Explore the most affordable flight options available from Louisiana to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2025.

This American Airlines deal was found by Cheapflights users on 11/9. 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 12/46:12 pmMSY - MIA
Nonstop1h 59mAmerican Airlines
Sun 12/711:04 pmMIA - MSY
Nonstop2h 13mAmerican Airlines
Deal found 11/9$107
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:29 amMSY - MIA
Nonstop1h 53mSpirit Airlines
Tue 11/186:25 amMIA - MSY
Nonstop2h 09mSpirit Airlines
Deal found 11/8$108
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/157:21 pmMSY - MIA
Nonstop1h 56mSpirit Airlines
Sun 11/163:04 pmMIA - MSY
1 stop5h 50mSpirit Airlines
Deal found 11/8$114
This Super.com deal was found by Cheapflights users on 11/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:12 amMSY - MIA
Nonstop1h 53mSpirit Airlines
Sun 11/232:10 pmMIA - MSY
Nonstop2h 09mSpirit Airlines
Deal found 11/9$117
This Frontier deal was found by Cheapflights users on 11/8. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:22 pmMSY - MIA
1 stop6h 24mFrontier
Mon 12/155:30 amMIA - MSY
1 stop11h 57mFrontier
Deal found 11/8$124
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/261:00 pmMSY - MIA
1 stop9h 43mSpirit Airlines
Thu 11/272:10 pmMIA - MSY
Nonstop2h 09mSpirit Airlines
Deal found 11/9$125
This American Airlines deal was found by Cheapflights users on 11/10. 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 12/136:12 pmMSY - MIA
Nonstop1h 59mAmerican Airlines
Sun 12/217:59 amMIA - MSY
Nonstop2h 09mAmerican Airlines
Deal found 11/10$127
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Fri 11/146:01 pmMSY - MIA
1 stop14h 57mMultiple Airlines
Tue 11/186:25 amMIA - MSY
Nonstop2h 09mMultiple Airlines
Deal found 11/9$130
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Tue 11/259:41 amMSY - MIA
1 stop10h 08mMultiple Airlines
Thu 11/272:10 pmMIA - MSY
Nonstop2h 09mMultiple Airlines
Deal found 11/9$131
This Cheapflightsfares deal was found by Cheapflights users on 11/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/148:29 amMSY - MIA
Nonstop1h 53mSpirit Airlines
Mon 11/176:25 amMIA - MSY
Nonstop2h 09mSpirit Airlines
Deal found 11/9$133
This Delta deal was found by Cheapflights users on 11/8. 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.
Fri 12/56:59 pmBTR - MIA
1 stop4h 47mDelta
Fri 12/128:05 amMIA - BTR
1 stop6h 31mDelta
Deal found 11/8$244
This American Airlines deal was found by Cheapflights users on 11/9. 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 12/62:16 pmBTR - MIA
1 stop7h 15mAmerican Airlines
Sun 12/145:00 amMIA - BTR
1 stop5h 39mAmerican Airlines
Deal found 11/9$249

Cheap flight deals from Louisiana to Key Largo

Keep the following information in mind while searching for Louisiana to Key Largo flight deals. Data was last updated November 10, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$107
(American Airlines)

One-way from

$54
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$256
Provider with most accurate pricing for New Orleans Louis Armstrong-Miami flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Miami flights.
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From Louisiana to Key Largo
Search Deals
One-way flight from Louisiana to Key Largo
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana 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 November 10, 2025.
Use the filters below to find and compare flights from Louisiana to Key Largo that are best for you.

Fly from

Louisiana

Fly to

Key Largo

Route

Depart

Return

Price

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 12/6

6:12 pm-9:11 pm

Nonstop1h 59m

Miami

Sun 12/7

11:04 pm-12:17 am

Nonstop2h 13m

$107

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 11/23

10:12 am-1:05 pm

Nonstop1h 53m

Miami

Thu 1/8

5:35 am-5:01 pm

1 stop12h 26m

$143

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Tue 12/9

5:20 am-4:00 pm

1 stop9h 40m

Miami

Tue 12/16

1:30 pm-8:00 pm

1 stop7h 30m

$151

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 12/4

2:30 pm-9:50 pm

1 stop6h 20m

Miami

Sat 12/6

6:50 am-2:05 pm

2 stops8h 15m

$156

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 1/29

6:11 pm-12:26 am

1 stop5h 15m

Miami

Sun 2/1

6:25 am-2:35 pm

1 stop9h 10m

$166

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 11/24

3:46 pm-11:43 pm

1 stop6h 57m

Miami

Tue 1/6

6:05 am-11:14 am

1 stop6h 09m

$170

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 11/21

5:02 pm-11:40 pm

1 stop5h 38m

Miami

Thu 1/8

7:05 am-5:01 pm

1 stop10h 56m

$170

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 11/20

10:12 am-1:05 pm

Nonstop1h 53m

Miami

Sat 1/10

7:05 am-5:01 pm

1 stop10h 56m

$175

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 12/11

5:20 am-4:00 pm

1 stop9h 40m

Miami

Tue 12/16

1:30 pm-8:00 pm

1 stop7h 30m

$184

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 11/22

7:26 pm-5:10 am

1 stop8h 44m

Miami

Wed 1/7

10:00 pm-9:25 am

1 stop12h 25m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 58 results
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Best time to book a flight from Louisiana to Key Largo

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

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

Currently, November is the cheapest month in which you can book a flight from Louisiana to Key Largo (average of $54). Flying from Louisiana to Key Largo in June is currently the most expensive (average of $124). 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 LA to KE9?

Find hourly flight availability from Louisiana 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 November 10, 2025.

It’s optimal to fly from Louisiana to Key Largo in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight in the morning.

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

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

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

Weekly flight availability from Louisiana to Key Largo

Explore weekly flight availability from Louisiana to Key Largo. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 10, 2025.

The most flights from USLA to KE9 are scheduled on a Friday (22 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (13 on average).

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Louisiana to Key Largo flight route?

    The Louisiana to Key Largo flight path was viewed by 92 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    A quick flight from Louisiana to Key Largo can take about 5h 15m. Southwest provides one of the quickest options available for as low as $166. Airlines will cover a distance of 673 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Louisiana to Key Largo?

    The most popular flight routes from Louisiana to Key Largo are New Orleans Louis Armstrong - Miami, Shreveport - Miami and Lafayette Regional - Miami.

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

    The top 3 most reliable airlines when flying from Louisiana to Key Largo are Qatar Airways (89%), Envoy Air (86%) and American Airlines (85%).

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

    On average you can expect to pay $512 for a flight from Louisiana to Key Largo. The cheapest flight overall is $37 while the most popular route, (New Orleans Louis Armstrong - Miami) is currently priced at $58.

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

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

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

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

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

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

    Currently, November is the cheapest month in which you can book a flight from Louisiana to Key Largo (average of $54). Flying from Louisiana to Key Largo in June is currently the most expensive (average of $124). 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 7 airlines flying from Louisiana to Key Largo

Discover the top 7 airlines that operate flights from Louisiana 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$74Average$152FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$77Average$148FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$102Average$164FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$159Average$402FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$177Average$401FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$204Average$358FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$238Average$384FlexibilityNo cancel feeOn-time69%

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