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Key Largo

$47+ Cheap flights from New Orleans (MSY) 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Mar 13 — Mar 201
Thu 3/13
Thu 3/20
1 adult, Economy
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The best prices from New Orleans Louis Armstrong to Key Largo are usually found in September or August, booked 14 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from New Orleans to Key Largo

Keep the following information in mind while searching for New Orleans to Key Largo flight deals. Data was last updated March 8, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$88
(eDestinos)

One-way from

$47
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$191
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 New Orleans Louis Armstrong to Key Largo
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One-way flight from New Orleans Louis Armstrong to Key Largo
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Highest demand for flights based on searches. 12% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from New Orleans to Key Largo

Cheapest flights from New Orleans to Key Largo
Explore the most affordable flight options available from New Orleans to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 8, 2025.

This eDestinos deal was found by Cheapflights users on 3/7. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/2110:13 pmMSY - MIA
Nonstop1h 46mSpirit Airlines
Sun 3/2310:06 pmMIA - MSY
Nonstop2h 22mSpirit Airlines
Deal found 3/7$88
This Priceline deal was found by Cheapflights users on 3/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/127:47 pmMSY - MIA
1 stop8h 12mMultiple Airlines
Tue 4/158:59 pmMIA - MSY
Nonstop2h 16mMultiple Airlines
Deal found 3/6$149
This CheapOair deal was found by Cheapflights users on 3/7. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/137:47 pmMSY - MIA
1 stop8h 34mFrontier
Thu 4/176:25 amMIA - MSY
1 stop13h 22mFrontier
Deal found 3/7$180
This American Airlines deal was found by Cheapflights users on 3/6. 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 4/125:45 pmMSY - MIA
Nonstop1h 55mAmerican Airlines
Tue 4/153:30 pmMIA - MSY
Nonstop2h 08mAmerican Airlines
Deal found 3/6$200
This Delta deal was found by Cheapflights users on 3/7. 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.
Wed 6/187:30 amMSY - MIA
1 stop7h 18mDelta
Sat 6/216:00 amMIA - MSY
1 stop5h 17mDelta
Deal found 3/7$241
This Southwest deal was found by Cheapflights users on 3/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/175:10 amMSY - MIA
2 stops10h 10mSouthwest
Tue 6/2412:45 pmMIA - MSY
2 stops10h 55mSouthwest
Deal found 3/6$251

Find flights from New Orleans to Key Largo within your budget

Customize your flight search to find flights from New Orleans 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 March 8, 2025.

Fly from

New Orleans

Fly to

Key Largo

Route

Depart

Return

Price

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 3/21

10:13 pm-12:59 am

Nonstop1h 46m

Miami

Sun 3/23

10:06 pm-11:28 pm

Nonstop2h 22m

$88

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 4/12

7:47 pm-4:59 am

1 stop8h 12m

Miami

Tue 4/15

8:59 pm-10:15 pm

Nonstop2h 16m

$149

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 4/13

7:47 pm-5:21 am

1 stop8h 34m

Miami

Thu 4/17

6:25 am-6:47 pm

1 stop13h 22m

$180

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 4/12

5:45 pm-8:40 pm

Nonstop1h 55m

Miami

Tue 4/15

3:30 pm-4:38 pm

Nonstop2h 08m

$200

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 4/27

9:44 pm-12:37 am

Nonstop1h 53m

$47

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 4/19

7:47 pm-4:59 am

1 stop8h 12m

$93

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Tue 4/8

6:00 am-6:37 pm

1 stop11h 37m

$105

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Tue 5/27

2:25 pm-8:55 pm

1 stop5h 30m

$121

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 3/28

10:25 am-10:36 pm

1 stop11h 11m

$122

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 5/19

7:01 pm-9:59 pm

Nonstop1h 58m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 13 results
1
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Best time to book a flight from New Orleans to Key Largo

Have a flexible travel schedule? Discover the best time to fly to Key Largo from New Orleans 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.

Travel insights for flights from New Orleans to Key Largo

Get recent, data-driven insights about flights from New Orleans to Key Largo including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from New Orleans to Key Largo?

Use this chart to determine the optimal time to book a round-trip flight from New Orleans to Key Largo. Price data was last updated on February 28, 2025.

The best time to book flights from New Orleans to Key Largo is 14 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 New Orleans to Key Largo?

Currently, September is the cheapest month in which you can book a flight from New Orleans to Key Largo (average of $230). Flying from New Orleans 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 MSY to KE9?

Find hourly flight availability from New Orleans 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 March 8, 2025.

When flying from New Orleans 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.

What is the cheapest day to fly from New Orleans to Key Largo?

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

Travelers seeking maximum savings on their New Orleans to Key Largo flight should consider departing on Wednesday evenings 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.

Rainfall in Key Largo by month

Plan your trip to Key Largo by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

Temperature in Key Largo by month

Plan your trip to Key Largo by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Key Largo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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 March 8, 2025.
To help decide which airline to fly from New Orleans to Key Largo, see what other customers have to say about Southwest, Alaska Airlines and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest
8.1
Very good
4,314 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Alaska Airlines
8.0
Very good
9,716 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Delta
8.0
Very good
8,024 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines
7.4
Good
8,649 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

JetBlue
7.3
Good
2,986 reviews
Southwest
8.1
Very good
4,314 reviews

Entertainment

7.6

Food

7.1

Overall

8.1

Boarding

8.2

Crew

8.7

Comfort

8.1

Reviews

1 / 20

8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

Find useful and relevant information for your journey from New Orleans 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 New Orleans to Key Largo?

    Most people fly from New Orleans Louis Armstrong (MSY) if they book a flight from New Orleans to Key Largo. On average, Louis Armstrong has 8 outbound flights to Key Largo per day from 6 airlines. New Orleans Louis Armstrong is conveniently located just 11.4 mi from New Orleans’s city center.

  • How popular is this New Orleans to Key Largo flight route?

    This flight path from New Orleans Louis Armstrong to Key Largo was viewed by 66 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines to fly from New Orleans to Key Largo one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $47. Frontier flights start at $93 while deals on Southwest start at $105 one-way.

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

    The top 3 most reliable airlines when flying from New Orleans to Key Largo are Envoy Air (86%), Royal Air Maroc (85%) and Aer Lingus (85%).

  • What are the cheapest flights from New Orleans to Key Largo?

    The cheapest flight price from New Orleans to Key Largo is $37. On average you can expect to pay $1,226. The most popular route, (New Orleans Louis Armstrong - Miami), can usually be booked for $88.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from New Orleans 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 New Orleans to Key Largo?

    Currently, September is the cheapest month in which you can book a flight from New Orleans to Key Largo (average of $230). Flying from New Orleans 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.

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Alternative routes for New Orleans to Key Largo

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Top 6 airlines flying from New Orleans to Key Largo

Discover the top 6 airlines that operate flights from New Orleans 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 March 8, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$50Average$124FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$78Average$203FlexibilityNo cancel feeOn-time62%
DeltaCheapest$145Average$342FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$335FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$187Average$377FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$246Average$358FlexibilityNo cancel feeOn-time63%
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