Key Largo

$49+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Feb 28 — Mar 71
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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Key Largo are usually found in February or October, booked 47 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 January 29, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 4/161:48 pm
MSY
-
MIA
Nonstop1h 53m
Spirit Airlines
Sun 4/195:38 pm
MIA
-
MSY
Nonstop2h 21m
Spirit Airlines
Deal found 1/27$99
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 2/146:35 pm
MSY
-
MIA
1 stop14h 48m
Multiple Airlines
Tue 2/173:47 pm
MIA
-
MSY
Nonstop2h 18m
Multiple Airlines
Deal found 1/27$102
This Priceline deal was found by Cheapflights users on 1/28. 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 2/126:10 pm
MSY
-
MIA
Nonstop1h 54m
Spirit Airlines
Wed 2/1810:05 am
MIA
-
MSY
1 stop5h 17m
Spirit Airlines
Deal found 1/28$103
This CheapOair deal was found by Cheapflights users on 1/28. 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.
Fri 2/136:10 pm
MSY
-
MIA
Nonstop1h 54m
Spirit Airlines
Mon 2/163:47 pm
MIA
-
MSY
Nonstop2h 18m
Spirit Airlines
Deal found 1/28$104
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 2/146:10 pm
MSY
-
MIA
Nonstop1h 54m
Spirit Airlines
Tue 2/1710:05 am
MIA
-
MSY
1 stop5h 17m
Spirit Airlines
Deal found 1/28$105
This Priceline deal was found by Cheapflights users on 1/28. 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.
Fri 2/208:59 pm
MSY
-
MIA
Nonstop1h 55m
Frontier
Mon 2/236:25 am
MIA
-
MSY
1 stop13h 22m
Frontier
Deal found 1/28$109
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 5/71:48 pm
MSY
-
MIA
Nonstop1h 53m
Spirit Airlines
Tue 5/125:38 pm
MIA
-
MSY
Nonstop2h 21m
Spirit Airlines
Deal found 1/27$110
This Expedia deal was found by Cheapflights users on 1/26. 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.
Sat 2/146:10 pm
MSY
-
MIA
Nonstop1h 54m
Multiple Airlines
Sat 2/213:09 pm
MIA
-
MSY
1 stop27h 49m
Multiple Airlines
Deal found 1/26$113
This CheapOair deal was found by Cheapflights users on 1/27. 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.
Fri 2/138:59 pm
MSY
-
MIA
Nonstop1h 55m
Frontier
Sat 2/217:45 am
MIA
-
MSY
1 stop24h 42m
Frontier
Deal found 1/27$115
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 5/141:48 pm
MSY
-
MIA
Nonstop1h 53m
Spirit Airlines
Sun 5/175:38 pm
MIA
-
MSY
Nonstop2h 21m
Spirit Airlines
Deal found 1/27$119

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$99
(Cheapflightsfares)

One-way from

$49
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$261
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. 7% potential increase in price ($21 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in January 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 January 29, 2026.
Use the filters below to find and compare flights from New Orleans to Key Largo that are best for you.

Fly from

New Orleans

Fly to

Key Largo

Route

Depart

Return

Price

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 2/14

6:10 pm-9:04 pm

Nonstop1h 54m

Miami

Wed 3/4

7:12 am-11:15 pm

1 stop17h 03m

$127

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 2/12

6:10 pm-9:04 pm

Nonstop1h 54m

Miami

Sat 2/14

7:05 am-9:00 pm

2 stops14h 55m

$132

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 2/12

6:10 pm-9:04 pm

Nonstop1h 54m

Miami

Sun 2/15

9:00 am-9:00 pm

2 stops13h 00m

$144

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 2/14

6:35 pm-10:23 am

1 stop14h 48m

Miami

Tue 2/17

8:37 pm-1:15 pm

2 stops17h 38m

$145

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 4/11

10:30 am-6:17 pm

1 stop6h 47m

Miami

Thu 4/16

5:38 pm-6:59 pm

Nonstop2h 21m

$145

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 2/14

7:27 pm-12:05 am

2 stops27h 38m

Miami

Fri 2/20

4:01 pm-9:38 am

1 stop18h 37m

$163

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 4/12

7:20 pm-8:07 pm

2 stops23h 47m

Miami

Sun 4/19

5:38 pm-6:59 pm

Nonstop2h 21m

$167

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 3/9

10:43 am-7:52 pm

1 stop8h 09m

Miami

Wed 3/11

3:16 pm-10:23 pm

1 stop8h 07m

$169

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 3/9

7:27 pm-8:13 pm

2 stops23h 46m

Miami

Wed 3/11

9:18 pm-10:10 am

1 stop13h 52m

$179

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sun 2/22

6:30 am-6:40 pm

1 stop11h 10m

Miami

Sat 2/28

6:30 pm-10:40 pm

1 stop5h 10m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 22 results
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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.

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 January 23, 2026.

The best time to book flights from New Orleans to Key Largo is 47 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, November 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 June is currently the most expensive (average of $127). 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 January 29, 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 53% 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 January 24, 2026.

Travelers seeking maximum savings on their New Orleans to Key Largo flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from New Orleans to Key Largo

Explore weekly flight availability from New Orleans 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 January 29, 2026.

The most flights from MSY to KE9 are scheduled on a Thursday (21 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (11 on average).

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 January 29, 2026.
Read reviews from past customers who have flown Southwest, United Airlines, and American 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.

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 15 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 1h 54m. Fly via Spirit Airlines to get the fastest option. The distance from New Orleans to Key Largo is about 673 mi. Most flights are nonstop.

  • 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 $31. JetBlue flights start at $42 while deals on Frontier start at $48 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 Iberia (90%), Qatar Airways (89%) and American Airlines (88%).

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

    The cheapest flight price from New Orleans to Key Largo is $46. On average you can expect to pay $613. The most popular route, (New Orleans Louis Armstrong - Miami), can usually be booked for $65.

  • 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, November 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 June is currently the most expensive (average of $127). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$55Average$204FlexibilityNo cancel feeOn-time62%
FrontierCheapest$58Average$144FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$66Average$145FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$102Average$179FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$178Average$356FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$339FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$187Average$350FlexibilityNo cancel feeOn-time63%

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