Key Largo

$54+ 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 6/30. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
May 3 — May 101
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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Key Largo are usually found in October or April, booked 28 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 April 3, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/31. 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 5/16:32 pm
MSY
-
MIA
1 stop5h 17m
Multiple Airlines
Mon 5/42:25 pm
MIA
-
MSY
1 stop6h 44m
Multiple Airlines
Deal found 3/31$149
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/2011:26 am
MSY
-
MIA
1 stop11h 03m
Multiple Airlines
Fri 4/246:30 am
MIA
-
MSY
1 stop14h 39m
Multiple Airlines
Deal found 3/31$153
This Lucky2Go deal was found by Cheapflights users on 3/30. 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 Lucky2Go is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:45 pm
MSY
-
MIA
1 stop7h 04m
Frontier
Wed 5/68:10 am
MIA
-
MSY
1 stop9h 11m
Frontier
Deal found 3/30$154
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3010:07 am
MSY
-
MIA
Nonstop2h 10m
Spirit Airlines
Tue 8/42:12 pm
MIA
-
MSY
Nonstop2h 00m
Spirit Airlines
Deal found 3/30$155
This Kiwi.com deal was found by Cheapflights users on 3/31. 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 4/246:32 pm
MSY
-
MIA
1 stop5h 17m
Multiple Airlines
Mon 4/276:30 am
MIA
-
MSY
1 stop14h 39m
Multiple Airlines
Deal found 3/31$156
This Kiwi.com deal was found by Cheapflights users on 3/30. 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 4/2011:26 am
MSY
-
MIA
1 stop11h 03m
Multiple Airlines
Sat 4/255:05 am
MIA
-
MSY
2 stops19h 25m
Multiple Airlines
Deal found 3/30$157
This Priceline deal was found by Cheapflights users on 3/31. 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.
Thu 4/236:32 pm
MSY
-
MIA
1 stop5h 17m
Frontier
Mon 4/277:00 am
MIA
-
MSY
1 stop8h 44m
Frontier
Deal found 3/31$160
This Expedia deal was found by Cheapflights users on 3/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/89:55 pm
MSY
-
MIA
1 stop30h 43m
Frontier
Sun 5/108:10 am
MIA
-
MSY
1 stop9h 11m
Frontier
Deal found 3/30$161
This CheapOair deal was found by Cheapflights users on 4/3. 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.
Thu 4/2311:51 am
MSY
-
MIA
1 stop11h 00m
Multiple Airlines
Sat 4/258:42 am
MIA
-
MSY
1 stop28h 40m
Multiple Airlines
Deal found 4/3$162
This Kiwi.com deal was found by Cheapflights users on 4/2. 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.
Thu 4/304:45 pm
MSY
-
MIA
1 stop4h 46m
Multiple Airlines
Thu 5/78:10 am
MIA
-
MSY
1 stop9h 11m
Multiple Airlines
Deal found 4/2$165
This American Airlines deal was found by Cheapflights users on 4/3. 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 4/299:59 am
MSY
-
MIA
Nonstop2h 03m
American Airlines
Wed 5/138:00 am
MIA
-
MSY
Nonstop2h 09m
American Airlines
Deal found 4/3$167
This Kiwi.com deal was found by Cheapflights users on 3/31. 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.
Thu 4/304:45 pm
MSY
-
MIA
1 stop7h 04m
Multiple Airlines
Sat 5/210:13 am
MIA
-
MSY
2 stops14h 17m
Multiple Airlines
Deal found 3/31$168

Find 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 April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Kiwi.com)

One-way from

$54
(Kiwi.com)

Popular in

July

Cheapest in

October

Average price

$250
Provider with most accurate pricing for New Orleans Louis Armstrong-Miami flight deals.
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Miami flights.
From New Orleans Louis Armstrong to Key Largo
One-way flight from New Orleans Louis Armstrong to Key Largo
Highest demand for flights based on searches. 4% potential increase in price ($14 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 April 2026

Cheapflights Fare Finder

 
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 April 3, 2026.
Use the filters below to find and compare flights from New Orleans to Key Largo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Wed 4/29

2:23 pm-8:48 pm

1 stop5h 25m

Miami

Wed 5/13

7:39 pm-11:54 pm

1 stop5h 15m

$187
Quickest round-trip

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 4/18

8:30 am-2:30 pm

1 stop5h 00m

Miami

Sat 4/25

5:40 pm-9:45 pm

1 stop5h 05m

$202

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Tue 4/28

5:35 am-11:30 am

1 stop4h 55m

Miami

Sun 5/3

11:45 am-5:50 pm

1 stop7h 05m

$282

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 5/30

7:10 pm-12:48 am

1 stop4h 38m

Miami

Fri 6/5

5:51 pm-10:31 pm

1 stop5h 40m

$282

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Wed 5/20

6:00 am-2:15 pm

1 stop7h 15m

Miami

Mon 5/25

6:20 am-2:10 pm

2 stops8h 50m

$287

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 6/6

4:56 pm-12:43 am

1 stop6h 47m

Miami

Wed 6/10

10:40 am-3:53 pm

1 stop6h 13m

$303

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 5/16

2:20 pm-9:27 pm

1 stop6h 07m

Miami

Tue 5/19

11:58 am-4:04 pm

1 stop5h 06m

$303

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 5/1

2:05 pm-10:00 pm

2 stops6h 55m

Miami

Tue 5/5

12:10 pm-8:05 pm

2 stops8h 55m

$309

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Tue 5/19

2:00 pm-9:55 pm

2 stops6h 55m

Miami

Tue 5/26

6:15 am-2:20 pm

2 stops9h 05m

$313
Cheapest one-way
Quickest one-way

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Tue 6/30

10:07 am-1:17 pm

Nonstop2h 10m

$60

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from New Orleans to Key Largo

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 April 2, 2026.

The best time to book flights from New Orleans to Key Largo is 28 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, February is the cheapest month in which you can book a flight from New Orleans to Key Largo (average of $53). Flying from New Orleans to Key Largo in July is currently the most expensive (average of $114). 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 April 3, 2026.

When flying from New Orleans to Key Largo, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 51% versus a flight in the morning.

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 March 28, 2026.

Travelers seeking maximum savings on their New Orleans to Key Largo flight should consider departing on Saturday at noon when fares are most often at their lowest. Monday afternoons 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 New Orleans 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 April 3, 2026.
Read reviews from past customers who have flown Southwest,JetBlue, andAmerican Airlines from New Orleans to Key Largo. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

Entertainment

7.5

Food

7.0

Overall

8.0

Comfort

8.0

Crew

8.6

Boarding

8.1

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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 10 outbound flights to Key Largo per day from 8 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?

  • How long is the flight from New Orleans to Key Largo?

    There are many flights that can get you from New Orleans to Key Largo in 5h. Fly via Delta or Southwest to get the fastest option. The distance from New Orleans to Key Largo is about 673 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at $29. Frontier flights start at $35 while deals on Spirit Airlines start at $37 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 Finnair (100%), Royal Air Maroc (92%) and Iberia (82%).

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

    The cheapest flight price from New Orleans to Key Largo is $78. On average you can expect to pay $659. The most popular route, (New Orleans Louis Armstrong - Miami), can usually be booked for $129.

  • 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, February is the cheapest month in which you can book a flight from New Orleans to Key Largo (average of $53). Flying from New Orleans to Key Largo in July is currently the most expensive (average of $114). 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 New Orleans to Key Largo

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

Top 8 airlines flying from New Orleans to Key Largo

Discover the top 8 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 April 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$56Average$144FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$149FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$71Average$214FlexibilityNo cancel feeOn-time62%
DeltaCheapest$88Average$319FlexibilityNo cancel feeOn-timeN/A
Breeze AirwaysCheapest$102Average$234FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$134Average$333FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$169Average$335FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$180Average$334FlexibilityNo cancel feeOn-time69%

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