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$53+ Cheap flights from Key Largo, FL to New Orleans (MSY)

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MSY
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to New Orleans Louis Armstrong are usually found in November or September, booked 77 days in advance, depart on a Thursday or Tuesday and return on a Friday

Cheap flight deals from Key Largo to New Orleans

Keep the following information in mind while searching for Key Largo to New Orleans flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$115
(American Airlines)

One-way from

$53
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$229
From Key Largo to New Orleans Louis Armstrong
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One-way flight from Key Largo to New Orleans Louis Armstrong
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Highest demand for flights based on searches. 3% potential increase in price ($10 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Key Largo to New Orleans

Cheapest flights from Key Largo to New Orleans
Explore the most affordable flight options available from Key Largo to New Orleans. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

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.
mar. 10/1410:54 pmMIA - MSY
Nonstop2h 05mAmerican Airlines
vie. 10/176:38 pmMSY - MIA
Nonstop1h 56mAmerican Airlines
Deal found 9/14$115
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.
vie. 10/36:35 pmMIA - MSY
Nonstop2h 09mSpirit Airlines
lun. 10/62:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$116
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/116:41 pmMIA - MSY
1 stop14h 26mSpirit Airlines
lun. 10/132:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$119
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/910:51 amMIA - MSY
Nonstop2h 02mSpirit Airlines
dom. 10/1212:48 pmMSY - MIA
Nonstop1h 51mSpirit Airlines
Deal found 9/14$121
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.
vie. 10/171:31 pmMIA - MSY
1 stop7h 58mSpirit Airlines
lun. 10/202:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$125
This Spirit 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/201:31 pmMIA - MSY
1 stop9h 12mSpirit Airlines
jue. 10/2312:48 pmMSY - MIA
Nonstop1h 51mSpirit Airlines
Deal found 9/14$126
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.
sáb. 10/2512:50 pmMIA - MSY
1 stop4h 41mSpirit Airlines
lun. 10/273:34 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$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.
sáb. 10/49:07 pmMIA - MSY
1 stop12h 00mSpirit Airlines
lun. 10/62:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$128
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/93:47 pmMIA - MSY
1 stop6h 10mSpirit Airlines
lun. 10/132:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$129
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.
dom. 10/510:51 amMIA - MSY
Nonstop2h 02mSpirit Airlines
vie. 10/102:38 pmMSY - MIA
Nonstop1h 52mSpirit Airlines
Deal found 9/13$131

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo to New Orleans 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 septiembre 15, 2025.
Use the filters below to find and compare flights from Key Largo to New Orleans that are best for you.

Fly from

Key Largo

Fly to

New Orleans

Route

Depart

Return

Price

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

dom. 10/26

8:30 pm-9:35 pm

Nonstop2h 05m

New Orleans Louis Armstrong

jue. 10/30

6:00 am-8:59 am

Nonstop1h 59m

$116

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

sáb. 10/11

6:41 pm-8:07 am

1 stop14h 26m

New Orleans Louis Armstrong

lun. 10/13

2:38 pm-5:30 pm

Nonstop1h 52m

$119

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

jue. 10/9

10:51 am-11:53 am

Nonstop2h 02m

New Orleans Louis Armstrong

dom. 10/12

12:48 pm-3:39 pm

Nonstop1h 51m

$121

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

vie. 10/17

1:31 pm-8:29 pm

1 stop7h 58m

New Orleans Louis Armstrong

lun. 10/20

2:38 pm-5:30 pm

Nonstop1h 52m

$125

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

lun. 10/20

1:31 pm-9:43 pm

1 stop9h 12m

New Orleans Louis Armstrong

jue. 10/23

12:48 pm-3:39 pm

Nonstop1h 51m

$126

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

vie. 11/7

6:31 pm-11:39 pm

1 stop6h 08m

New Orleans Louis Armstrong

lun. 11/10

2:45 pm-5:47 pm

Nonstop2h 02m

$135

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

lun. 9/29

6:35 pm-7:44 pm

Nonstop2h 09m

New Orleans Louis Armstrong

jue. 10/2

2:38 pm-5:40 pm

Nonstop2h 02m

$137

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

jue. 11/27

4:47 pm-5:51 pm

Nonstop2h 04m

New Orleans Louis Armstrong

lun. 12/1

2:45 pm-5:47 pm

Nonstop2h 02m

$140

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

lun. 9/22

5:30 am-3:57 pm

1 stop11h 27m

New Orleans Louis Armstrong

jue. 10/2

4:51 pm-12:12 am

1 stop6h 21m

$164

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

jue. 10/9

12:30 pm-6:59 pm

1 stop7h 29m

New Orleans Louis Armstrong

lun. 10/13

10:48 pm-6:11 pm

1 stop18h 23m

$165

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 22 results
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Best time to book a flight from Key Largo to New Orleans

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

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

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to New Orleans. Price data was last updated on September 12, 2025.

The price you pay for your flight from Key Largo to New Orleans may vary depending on when you book. For the best chance of a lower fare, look to book 77 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Key Largo to New Orleans?

Currently, August is the cheapest month in which you can book a flight from Key Largo to New Orleans (average of $256). Flying from Key Largo to New Orleans in April is currently the most expensive (average of $343). 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 KE9 to MSY?

Find hourly flight availability from Key Largo to New Orleans. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 2025.

When flying from Key Largo to New Orleans, 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 Key Largo to New Orleans?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to New Orleans. Price data was last updated on December 1, 2024.

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

Weekly flight availability from Key Largo to New Orleans

Explore weekly flight availability from Key Largo to New Orleans. 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 septiembre 15, 2025.

The most flights from KE9 to MSY are scheduled on a Tuesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing New Orleans

Get insights into the airlines that provide service to New Orleans. 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 New Orleans. Reviews last updated septiembre 15, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and American Airlines from Key Largo to New Orleans by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

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
Southwest
8.0
Very good
4,245 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

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
Delta
8.0
Very good
7,956 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

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
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

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
Spirit Airlines
6.3
Okay
8,016 reviews
Southwest
8.0
Very good
4,245 reviews

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Crew

8.6

Overall

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 Key Largo to New Orleans. 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 into for flights to New Orleans from Key Largo?

    Located just 11.4 mi from the city center, New Orleans Louis Armstrong is the airport most travelers will use when flying to New Orleans from Key Largo. Booking flights from Key Largo to Louis Armstrong (MSY) should be relatively easy as there are 10 daily inbound flights from Key Largo from 4 different airlines.

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

    The Key Largo to New Orleans Louis Armstrong flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    American Airlines and Spirit Airlines can get you from Key Largo to New Orleans in just under 2h 05m. Your travel time can differ by up to 12h 21m. Key Largo and New Orleans are separated by a distance of 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 Key Largo to New Orleans?

    Consider Envoy Air (89%), Spirit Airlines (87%) or Iberia (62%) when booking your flight. These represent the most reliable airlines when flying from Key Largo to New Orleans.

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

    While on average a flight from Key Largo to New Orleans is generally $183, our data shows the cheapest flight currently is $65. When looking at the most popular route, (Miami - New Orleans Louis Armstrong), you can expect to pay $92 for that flight.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Key Largo to New Orleans (average of $256). Flying from Key Largo to New Orleans in April is currently the most expensive (average of $343). 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

Traveling to a place near New Orleans?

Book flights to New Orleans if you plan to visit one of these locations
Metairie
Kenner
Slidell
Houma
Covington
Thibodaux
Gretna
Hammond
Gonzales

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Key Largo to New Orleans

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Top 4 airlines flying from Key Largo to New Orleans

Discover the top 4 airlines that operate flights from Key Largo to New Orleans. 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$76Average$158FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$175Average$338FlexibilityNo cancel feeOn-time71%
DeltaCheapest$187Average$367FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$198Average$354FlexibilityNo cancel feeOn-time63%

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