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$48+ 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 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MSY
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 Tuesday or Wednesday and return on a Friday

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 October 30, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 11/151:30 pmMIA - MSY
1 stop8h 11mSpirit Airlines
Sun 11/1611:05 amMSY - MIA
Nonstop1h 54mSpirit Airlines
Deal found 10/29$96
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/126:25 amMIA - MSY
Nonstop2h 09mMultiple Airlines
Thu 11/136:01 pmMSY - MIA
1 stop5h 33mMultiple Airlines
Deal found 10/29$97
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 11/196:25 amMIA - MSY
Nonstop2h 09mSpirit Airlines
Sun 11/2310:12 amMSY - MIA
Nonstop1h 53mSpirit Airlines
Deal found 10/30$98
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/69:59 pmMIA - MSY
Nonstop2h 12mSpirit Airlines
Sun 11/911:05 amMSY - MIA
Nonstop1h 54mSpirit Airlines
Deal found 10/30$99
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/126:25 amMIA - MSY
Nonstop2h 09mMultiple Airlines
Fri 11/146:01 pmMSY - MIA
1 stop14h 57mMultiple Airlines
Deal found 10/29$100
This Mytrip deal was found by Cheapflights users on 10/29. 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.
Wed 11/126:25 amMIA - MSY
Nonstop2h 09mSpirit Airlines
Sat 11/1510:40 amMSY - MIA
2 stops23h 20mSpirit Airlines
Deal found 10/29$102
This Flightnetwork deal was found by Cheapflights users on 10/30. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:05 pmMIA - MSY
1 stop9h 36mMultiple Airlines
Mon 11/176:01 pmMSY - MIA
1 stop5h 33mMultiple Airlines
Deal found 10/30$103
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 11/56:25 amMIA - MSY
Nonstop2h 09mSpirit Airlines
Wed 11/123:21 pmMSY - MIA
1 stop18h 39mSpirit Airlines
Deal found 10/29$104
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 11/85:12 pmMIA - MSY
Nonstop2h 14mMultiple Airlines
Fri 11/146:01 pmMSY - MIA
1 stop14h 57mMultiple Airlines
Deal found 10/29$105
This Spirit deal was found by Cheapflights users on 10/30. 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 Spirit is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/202:10 pmMIA - MSY
Nonstop2h 09mSpirit Airlines
Sun 11/2310:12 amMSY - MIA
Nonstop1h 53mSpirit Airlines
Deal found 10/30$107
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/63:04 pmMIA - MSY
1 stop5h 50mSpirit Airlines
Tue 11/118:29 amMSY - MIA
Nonstop1h 53mSpirit Airlines
Deal found 10/30$109

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 October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$95
(Kiwi.com)

One-way from

$48
(Cheapflightsfares)

Popular in

December

Cheapest in

November

Average price

$235
Provider with most accurate pricing for Miami-New Orleans Louis Armstrong flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-New Orleans Louis Armstrong flights.
Search Deals
From Key Largo to New Orleans Louis Armstrong
Search Deals
One-way flight from Key Largo to New Orleans Louis Armstrong
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($6 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 30, 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

Tue 11/18

6:25 am-7:34 am

Nonstop2h 09m

New Orleans Louis Armstrong

Sun 11/23

10:12 am-1:05 pm

Nonstop1h 53m

$108

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Fri 11/7

5:27 pm-12:20 am

1 stop7h 53m

New Orleans Louis Armstrong

Fri 11/14

8:29 am-11:22 am

Nonstop1h 53m

$110

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Sat 11/15

5:12 pm-6:26 pm

Nonstop2h 14m

New Orleans Louis Armstrong

Wed 11/19

11:32 am-11:23 am

2 stops22h 51m

$112

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Tue 11/11

6:25 am-7:34 am

Nonstop2h 09m

New Orleans Louis Armstrong

Sat 11/15

4:38 pm-10:24 am

1 stop16h 46m

$158

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 11/6

9:59 pm-11:11 pm

Nonstop2h 12m

New Orleans Louis Armstrong

Tue 11/11

3:21 pm-9:12 am

2 stops16h 51m

$164

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 11/20

10:45 am-2:51 pm

1 stop5h 06m

New Orleans Louis Armstrong

Sun 11/23

3:46 pm-11:43 pm

1 stop6h 57m

$171

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 12/11

2:11 pm-8:07 pm

1 stop6h 56m

New Orleans Louis Armstrong

Sun 12/14

5:37 pm-12:46 am

1 stop6h 09m

$177

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 12/4

12:36 pm-6:05 pm

1 stop6h 29m

New Orleans Louis Armstrong

Sat 12/6

6:17 pm-12:46 am

1 stop5h 29m

$177

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Mon 1/12

3:24 pm-7:52 pm

1 stop5h 28m

New Orleans Louis Armstrong

Wed 1/14

1:58 pm-9:41 pm

1 stop6h 43m

$177

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Sat 12/13

6:00 am-12:01 pm

1 stop7h 01m

New Orleans Louis Armstrong

Mon 12/15

7:10 pm-12:46 am

1 stop4h 36m

$177

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

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 October 24, 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, November is the cheapest month in which you can book a flight from Key Largo to New Orleans (average of $59). Flying from Key Largo to New Orleans in July is currently the most expensive (average of $112). 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 October 30, 2025.

It’s optimal to fly from Key Largo to New Orleans at noon. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.

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 Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Get a feel of what it's like to fly with Southwest, American Airlines, and Spirit 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
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
11,030 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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
8,115 reviews
Southwest
8.0
Very good
4,242 reviews

Comfort

8.0

Entertainment

7.5

Crew

8.6

Overall

8.0

Boarding

8.1

Food

7.0

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 8 daily inbound flights from Key Largo from 5 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 13 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?

    Spirit Airlines can get you from Key Largo to New Orleans in just under 2h 09m. Your travel time will be generally consistent. Key Largo and New Orleans are separated by a distance of 673 mi. Most flights are nonstop.

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

    The cheapest airlines for a one-way flight from Key Largo to New Orleans are American Airlines ($60), United Airlines ($69), and Southwest ($79).

  • What are the most reliable airlines from Key Largo to New Orleans?

    Consider Republic Airways (90%), Envoy Air (86%) or Gulf Air (70%) 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 $173, our data shows the cheapest flight currently is $43. When looking at the most popular route, (Miami - New Orleans Louis Armstrong), you can expect to pay $49 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, November is the cheapest month in which you can book a flight from Key Largo to New Orleans (average of $59). Flying from Key Largo to New Orleans in July is currently the most expensive (average of $112). 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
Thibodaux
Houma
Covington
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 5 airlines flying from Key Largo to New Orleans

Discover the top 5 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$62Average$128FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$76Average$157FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$170Average$336FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$180Average$356FlexibilityNo cancel feeOn-time63%
DeltaCheapest$187Average$361FlexibilityNo cancel feeOn-timeN/A

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