$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 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from New Orleans 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.Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Key Largo are usually found in October or February, booked 50 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from New Orleans to Key Largo
Cheapest flights from New Orleans to Key LargoExplore 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 December 12, 2025.
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 December 12, 2025.
This American Airlines deal was found by Cheapflights users on 12/10. 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.
This Kiwi.com deal was found by Cheapflights users on 12/10. 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.
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
This American Airlines deal was found by Cheapflights users on 12/11. 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.
This American Airlines deal was found by Cheapflights users on 12/11. 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.
This American Airlines deal was found by Cheapflights users on 12/9. 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.
This Kiwi.com deal was found by Cheapflights users on 12/9. 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.
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 12/9. 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.
This Delta deal was found by Cheapflights users on 12/10. 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.
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 December 12, 2025.
Most accurate provider | Justfly.com 3 stars |
|---|---|
Most trusted provider | Justfly.com 3 stars |
Round-trip from | $93 (American Airlines) |
One-way from | $47 (American Airlines) |
Popular in | December |
Cheapest in | October |
Average price | $333 |
Cheapflights Fare Finder
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
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sat 1/24
6:00 am-9:03 am
Nonstop2h 03m
Miami
Thu 1/29
7:26 pm-8:51 pm
Nonstop2h 25m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Mon 12/29
7:28 am-10:34 am
Nonstop2h 06m
Miami
Thu 1/1
10:45 pm-11:59 pm
Nonstop2h 14m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Mon 2/16
8:59 pm-11:54 pm
Nonstop1h 55m
Miami
Fri 2/20
6:44 pm-8:04 pm
Nonstop2h 20m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Wed 1/7
5:00 am-1:30 pm
1 stop7h 30m
Miami
Wed 1/14
9:05 am-1:09 pm
1 stop5h 04m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Thu 1/8
6:05 am-12:05 pm
1 stop5h 00m
Miami
Sat 1/10
7:00 am-1:35 pm
1 stop7h 35m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Wed 1/7
7:15 am-3:30 pm
1 stop7h 15m
Miami
Wed 1/14
12:55 pm-5:40 pm
1 stop5h 45m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sat 1/24
5:05 am-3:35 pm
1 stop9h 30m
Miami
Mon 1/26
6:55 am-11:05 am
1 stop5h 10m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sun 1/11
6:05 am-3:15 pm
2 stops8h 10m
Miami
Wed 1/14
7:55 am-2:15 pm
1 stop7h 20m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Tue 12/23
5:15 am-10:23 am
1 stop4h 08m
Miami
Wed 12/24
11:45 am-4:21 pm
1 stop5h 36m
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sat 1/24
5:55 pm-12:51 am
1 stop5h 56m
Miami
Thu 1/29
6:05 pm-10:02 pm
1 stop4h 57m
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.
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 December 5, 2025.
The best time to book flights from New Orleans to Key Largo is 50 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 $124). 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 December 12, 2025.
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 48% versus a flight in the afternoon.
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 Thursday afternoons when fares are most often at their lowest. Sunday mornings 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 December 12, 2025.
The most flights from MSY to KE9 are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).
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 December 12, 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.
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
Comfort
Crew
Overall
Entertainment
Food
Boarding
Reviews
Thomas,Dec 2025
SEA - DEN
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.
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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 7 airlines flying from New Orleans to Key Largo
Discover the top 7 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 December 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$72 | Average$152 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$83 | Average$175 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$102 | Average$173 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$177 | Average$337 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$178 | Average$335 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$196 | Average$350 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$204 | Average$353 | FlexibilityNo cancel fee | On-time63% |