Key Largo

$50+ 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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Oct 15 — Oct 221
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisiana to Key Largo with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 15, 2025.

Round-trip from

$102
(Trip.com)

One-way from

$50
(Booking.com)

Popular in

December

Cheapest in

October

Average price

$254
From Louisiana to Key Largo
One-way flight from Louisiana to Key Largo
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/102:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Mon 10/137:42 pmMIA - MSY
Nonstop2h 02mSpirit Airlines
Deal found 9/13$102
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/1810:08 pmMSY - MIA
1 stop10h 48mSpirit Airlines
Mon 10/207:42 pmMIA - MSY
Nonstop2h 02mSpirit Airlines
Deal found 9/13$104
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sun 10/1912:48 pmMSY - MIA
Nonstop1h 51mSpirit Airlines
Sat 10/257:42 pmMIA - MSY
Nonstop2h 02mSpirit Airlines
Deal found 9/13$107
This American Airlines deal was found by Cheapflights users on 9/13. 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 12/126:12 pmMSY - MIA
Nonstop1h 59mAmerican Airlines
Wed 12/178:15 pmMIA - MSY
Nonstop2h 16mAmerican Airlines
Deal found 9/13$115
This American Airlines deal was found by Cheapflights users on 9/14. 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 10/296:38 pmMSY - MIA
Nonstop1h 56mAmerican Airlines
Wed 11/58:06 pmMIA - MSY
Nonstop2h 21mAmerican Airlines
Deal found 9/14$116
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 10/32:38 pmMSY - MIA
Nonstop2h 02mSpirit Airlines
Sun 10/510:51 amMIA - MSY
Nonstop2h 02mSpirit Airlines
Deal found 9/13$121
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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 10/179:24 pmMSY - MIA
1 stop11h 32mSpirit Airlines
Sun 10/1910:51 amMIA - MSY
Nonstop2h 02mSpirit Airlines
Deal found 9/14$125
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 10/314:42 pmMSY - MIA
1 stop4h 27mSpirit Airlines
Sun 11/94:47 pmMIA - MSY
Nonstop2h 04mSpirit Airlines
Deal found 9/14$127
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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.
Thu 10/25:52 pmMSY - MIA
1 stop5h 07mSpirit Airlines
Mon 10/67:42 pmMIA - MSY
Nonstop2h 02mSpirit Airlines
Deal found 9/13$128
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sat 10/1810:08 pmMSY - MIA
1 stop10h 48mSpirit Airlines
Sat 10/2512:50 pmMIA - MSY
1 stop4h 41mSpirit Airlines
Deal found 9/14$130
This Cheapflightsfares deal was found by Cheapflights users on 9/13. 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 12/122:45 pmMSY - MIA
Nonstop2h 02mSpirit Airlines
Thu 12/1812:35 pmMIA - MSY
Nonstop2h 05mSpirit Airlines
Deal found 9/13$131
This Cheapflightsfares deal was found by Cheapflights users on 9/14. 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.
Thu 10/912:48 pmMSY - MIA
Nonstop1h 51mSpirit Airlines
Sun 10/123:47 pmMIA - MSY
1 stop5h 42mSpirit Airlines
Deal found 9/14$132

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 September 15, 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

Tue 10/28

7:45 am-1:11 pm

1 stop4h 26m

Miami

Tue 11/4

6:15 pm-11:04 pm

1 stop5h 49m

$179

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 12/14

5:15 am-10:53 am

1 stop4h 38m

Miami

Sat 12/20

8:45 am-4:01 pm

1 stop8h 16m

$229

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 11/24

3:53 pm-9:58 pm

1 stop5h 05m

Miami

Sat 11/29

6:30 am-1:09 pm

1 stop7h 39m

$241

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 10/24

1:30 pm-10:05 pm

2 stops7h 35m

Miami

Tue 10/28

6:55 am-11:05 am

1 stop5h 10m

$246

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 11/24

5:10 pm-10:05 pm

1 stop3h 55m

Miami

Thu 11/27

6:50 am-2:15 pm

2 stops8h 25m

$246

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Sat 11/15

6:34 pm-12:36 am

1 stop5h 02m

Miami

Sun 11/23

5:18 am-9:52 am

1 stop5h 34m

$249

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Mon 11/10

6:50 pm-12:48 am

1 stop4h 58m

Miami

Mon 11/17

6:00 am-9:50 am

1 stop4h 50m

$249

LafayetteMiami

LFT - MIA

LFTMIA

Lafayette Regional

Fri 10/24

6:29 pm-12:49 am

1 stop5h 20m

Miami

Sat 10/25

5:15 am-11:38 am

1 stop7h 23m

$249

Lake CharlesMiami

LCH - MIA

LCHMIA

Lake Charles

Sun 11/16

2:15 pm-9:58 pm

1 stop6h 43m

Miami

Sat 11/22

11:54 am-5:27 pm

1 stop6h 33m

$249

Baton RougeMiami

BTR - MIA

BTRMIA

Baton Rouge Ryan

Mon 12/1

6:00 am-11:21 am

1 stop4h 21m

Miami

Sat 12/6

6:00 am-9:51 am

1 stop4h 51m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 60 results
1
2
3
...
6

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, September is the cheapest month in which you can book a flight from Louisiana to Key Largo (average of $232). Flying from Louisiana 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 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 September 15, 2025.

When flying from Louisiana to Key Largo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 September 15, 2025.

The most flights from USLA to KE9 are scheduled on a Thursday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 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?

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

    A quick flight from Louisiana to Key Largo can take about 4h 26m. Delta provides one of the quickest options available for as low as $179. 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 cheapest airlines to fly from Louisiana to Key Largo one-way?

    The cheapest airlines for a one-way flight from Louisiana to Key Largo are Spirit Airlines ($50), United Airlines ($63), and American Airlines ($159).

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

  • 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 Royal Air Maroc (77%), Gulf Air (76%) and Iberia (76%).

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

    On average you can expect to pay $785 for a flight from Louisiana to Key Largo. The cheapest flight overall is $68 while the most popular route, (New Orleans Louis Armstrong - Miami) is currently priced at $91.

  • 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, September is the cheapest month in which you can book a flight from Louisiana to Key Largo (average of $232). Flying from Louisiana 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Louisiana to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Louisiana to Key Largo

Discover the top 6 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$152FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$135Average$173FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$159Average$420FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$402FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$193Average$434FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$204Average$358FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.