Key Largo

$50+ 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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Oct 15 — Oct 221
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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 12 days in advance, depart on a Friday or Thursday and return on a Thursday

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 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 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. 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 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 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 9/14. 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.
Fri 11/286:17 pmMSY - MIA
Nonstop2h 00mAmerican Airlines
Tue 12/27:49 pmMIA - MSY
Nonstop2h 17mAmerican Airlines
Deal found 9/14$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 9/12. 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 10/172:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Mon 10/201:31 pmMIA - MSY
1 stop9h 12mSpirit Airlines
Deal found 9/12$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 9/13. 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 10/912:48 pmMSY - MIA
Nonstop1h 51mSpirit Airlines
Sun 10/123:47 pmMIA - MSY
1 stop5h 42mSpirit Airlines
Deal found 9/13$132

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 September 15, 2025.
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

Tue 3/10

7:10 pm-12:57 am

1 stop4h 47m

Miami

Wed 3/11

5:55 pm-10:23 pm

1 stop5h 28m

$177

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Mon 11/24

5:25 pm-11:45 pm

1 stop5h 20m

Miami

Thu 11/27

9:10 am-2:15 pm

1 stop6h 05m

$179

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Fri 9/26

2:38 pm-5:40 pm

Nonstop2h 02m

Miami

Fri 10/3

6:35 pm-7:44 pm

Nonstop2h 09m

$189

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Thu 9/25

2:38 pm-5:40 pm

Nonstop2h 02m

Miami

Fri 10/3

6:45 am-2:45 pm

1 stop9h 00m

$198

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Sat 11/22

5:30 pm-12:40 am

1 stop6h 10m

Miami

Thu 11/27

9:10 am-2:15 pm

1 stop6h 05m

$210

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

Fri 9/26

4:52 pm-12:12 am

1 stop6h 20m

Miami

Sun 9/28

9:16 pm-3:57 pm

2 stops19h 41m

$239

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

Sat 9/27

6:30 am-9:05 pm

2 stops13h 35m

Miami

Fri 10/3

6:35 pm-7:44 pm

Nonstop2h 09m

$256

New OrleansMiami

MSY - MIA

MSYMIA

New Orleans Louis Armstrong

Wed 1/7

7:10 pm-12:57 am

1 stop4h 47m

Miami

Mon 1/12

7:00 am-12:09 pm

1 stop6h 09m

$263

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 23 results
1
2
3

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 September 12, 2025.

The best time to book flights from New Orleans to Key Largo is 12 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 $232). 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 September 15, 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 Monday evenings when fares are most often at their lowest. Tuesday at noon 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 September 15, 2025.

The most flights from MSY to KE9 are scheduled on a Friday (16 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (12 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 September 15, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United 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.

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
8.0
Very good

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Boarding

8.1

Food

7.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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 14 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?

  • 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 2h 02m. Fly via Delta, Southwest, or Spirit Airlines 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 most reliable airlines from New Orleans to Key Largo?

    The top 3 most reliable airlines when flying from New Orleans to Key Largo are Royal Air Maroc (77%), Gulf Air (76%) and Iberia (76%).

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

    The cheapest flight price from New Orleans to Key Largo is $68. On average you can expect to pay $713. The most popular route, (New Orleans Louis Armstrong - Miami), can usually be booked for $91.

  • 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 $232). 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.

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 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$75Average$151FlexibilityNo cancel feeOn-time65%
Breeze AirwaysCheapest$135Average$173FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$178Average$316FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$189Average$386FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$191Average$338FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$204Average$358FlexibilityNo cancel feeOn-time63%

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