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Key Largo

$47+ 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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
1 adult, Economy
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Cheap 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 December 23, 2025.

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.
Mon 12/299:58 amMSY - MIA
Nonstop2h 00mAmerican Airlines
Sat 2/287:30 amMIA - MSY
Nonstop2h 18mAmerican Airlines
Deal found 12/21$160
This American Airlines deal was found by Cheapflights users on 12/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/317:28 amMSY - MIA
Nonstop2h 06mAmerican Airlines
Thu 1/19:26 pmMIA - MSY
Nonstop2h 18mAmerican Airlines
Deal found 12/23$213
This American Airlines deal was found by Cheapflights users on 12/22. 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 12/258:08 amMSY - MIA
Nonstop2h 06mAmerican Airlines
Mon 12/299:26 pmMIA - MSY
Nonstop2h 18mAmerican Airlines
Deal found 12/22$220
This American Airlines deal was found by Cheapflights users on 12/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:58 amMSY - MIA
Nonstop2h 00mAmerican Airlines
Thu 1/19:26 pmMIA - MSY
Nonstop2h 18mAmerican Airlines
Deal found 12/23$227
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Mon 12/295:00 pmMSY - MIA
1 stop6h 51mMultiple Airlines
Mon 1/59:59 pmMIA - MSY
1 stop19h 11mMultiple Airlines
Deal found 12/22$232
This Kiwi.com deal was found by Cheapflights users on 12/22. 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 12/305:05 pmMSY - MIA
1 stop6h 42mMultiple Airlines
Wed 12/318:00 amMIA - MSY
1 stop14h 02mMultiple Airlines
Deal found 12/22$239
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/296:40 amMSY - MIA
2 stops17h 11mMultiple Airlines
Sat 2/287:05 amMIA - MSY
1 stop11h 49mMultiple Airlines
Deal found 12/21$245
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.
Thu 12/256:00 amMSY - MIA
Nonstop2h 07mAmerican Airlines
Sat 12/2710:45 pmMIA - MSY
Nonstop2h 14mAmerican Airlines
Deal found 12/21$246
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.
Sat 12/206:55 pmMSY - MIA
Nonstop2h 04mAmerican Airlines
Sat 12/2710:45 pmMIA - MSY
Nonstop2h 14mAmerican Airlines
Deal found 12/20$253
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/306:07 amBTR - MIA
1 stop4h 32mDelta
Thu 1/16:00 amMIA - BTR
1 stop4h 49mDelta
Deal found 12/21$327
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.
Mon 12/224:34 pmBTR - MIA
1 stop5h 14mAmerican Airlines
Sun 12/285:00 amMIA - BTR
1 stop5h 39mAmerican Airlines
Deal found 12/21$348
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/257:05 amLFT - MIA
1 stop5h 03mUnited Airlines
Sat 12/278:45 amMIA - LFT
1 stop5h 37mUnited Airlines
Deal found 12/21$476

Find 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 December 23, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$93
(American Airlines)

One-way from

$47
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$317
Provider with most accurate pricing for New Orleans Louis Armstrong-Miami flight deals.
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Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Miami flights.
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From Louisiana to Key Largo
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One-way flight from Louisiana to Key Largo
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Highest demand for flights based on searches. 3% potential increase in price ($9 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 23, 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 1/24

7:09 pm-10:10 pm

Nonstop2h 01m

Miami

Thu 1/29

7:26 pm-8:51 pm

Nonstop2h 25m

$93

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 2/21

9:39 am-12:40 pm

Nonstop2h 01m

Miami

Thu 2/26

7:10 pm-8:34 pm

Nonstop2h 24m

$93

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Wed 1/14

10:19 am-1:14 pm

Nonstop1h 55m

Miami

Fri 1/16

10:40 pm-11:56 pm

Nonstop2h 16m

$93

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 1/31

5:00 am-1:26 pm

1 stop7h 26m

Miami

Sat 2/7

9:05 am-1:09 pm

1 stop5h 04m

$128

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 2/13

8:59 pm-11:54 pm

Nonstop1h 55m

Miami

Mon 2/16

10:05 am-2:22 pm

1 stop5h 17m

$137

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 1/24

1:50 pm-9:30 pm

1 stop6h 40m

Miami

Sat 1/31

5:25 pm-9:30 pm

1 stop5h 05m

$151

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 2/26

1:15 pm-11:15 pm

1 stop9h 00m

Miami

Mon 3/2

6:05 pm-9:40 pm

1 stop4h 35m

$151

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 1/25

5:05 pm-9:55 pm

1 stop3h 50m

Miami

Wed 1/28

2:00 pm-10:05 pm

1 stop9h 05m

$151

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 1/8

9:30 am-3:30 pm

1 stop5h 00m

Miami

Mon 1/12

7:55 am-2:15 pm

1 stop7h 20m

$151

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 3/5

11:55 am-11:30 pm

1 stop10h 35m

Miami

Mon 3/9

5:35 pm-11:30 pm

1 stop6h 55m

$156

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 59 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 $53). Flying from Louisiana to Key Largo in June is currently the most expensive (average of $125). 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 December 23, 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.

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 101 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 2h 01m. American Airlines provides one of the quickest options available for as low as $93. 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 Baton Rouge Ryan - 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 Envoy Air (92%), Qatar Airways (90%) and British Airways (83%).

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

    On average you can expect to pay $364 for a flight from Louisiana to Key Largo. The cheapest flight overall is $98 while the most popular route, (New Orleans Louis Armstrong - Miami) is currently priced at $78.

  • 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 $53). Flying from Louisiana to Key Largo in June is currently the most expensive (average of $125). 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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Alternative routes for Louisiana to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$72Average$148FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$83Average$193FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$102Average$179FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$125Average$407FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$162Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$189Average$362FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$204Average$353FlexibilityNo cancel feeOn-time63%

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