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$74+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MSY
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to New Orleans Louis Armstrong are usually found in August or September, booked 41 days in advance, depart on a Wednesday 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 June 12, 2025.

Round-trip from

$126
(Cheapflightsfares)

One-way from

$74
(Expedia)

Popular in

December

Cheapest in

August

Average price

$256
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. 11% potential increase in price ($31 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/277:40 pmMIA - MSY
Nonstop2h 11mSpirit Airlines
Mon 6/303:48 pmMSY - MIA
Nonstop1h 57mSpirit Airlines
Deal found 6/10$126
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:05 pmMIA - MSY
Nonstop2h 15mAmerican Airlines
Mon 10/68:22 amMSY - MIA
Nonstop1h 58mAmerican Airlines
Deal found 6/12$161
This Southwest deal was found by Cheapflights users on 6/10. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/267:45 amMIA - MSY
2 stops10h 35mSouthwest
Thu 9/41:55 pmMSY - MIA
2 stops7h 15mSouthwest
Deal found 6/10$172
This Delta deal was found by Cheapflights users on 6/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/225:30 amMIA - MSY
1 stop6h 56mDelta
Tue 7/299:00 amMSY - MIA
1 stop4h 50mDelta
Deal found 6/9$179
This Frontier deal was found by Cheapflights users on 6/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:45 amMIA - MSY
1 stop11h 11mFrontier
Sun 10/124:51 pmMSY - MIA
1 stop6h 01mFrontier
Deal found 6/12$251
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1912:32 pmMIA - MSY
1 stop9h 19mMultiple Airlines
Sun 6/226:01 pmMSY - MIA
1 stop11h 29mMultiple Airlines
Deal found 6/10$253

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 June 12, 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

Fri 6/27

7:40 pm-8:51 pm

Nonstop2h 11m

New Orleans Louis Armstrong

Mon 6/30

3:48 pm-6:45 pm

Nonstop1h 57m

$126

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 7/31

9:03 am-10:06 am

Nonstop2h 03m

New Orleans Louis Armstrong

Mon 8/4

7:45 am-10:48 am

Nonstop2h 03m

$161

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Tue 8/26

7:45 am-5:20 pm

2 stops10h 35m

New Orleans Louis Armstrong

Thu 9/4

1:55 pm-10:10 pm

2 stops7h 15m

$172

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Tue 7/22

5:30 am-11:26 am

1 stop6h 56m

New Orleans Louis Armstrong

Tue 7/29

9:00 am-2:50 pm

1 stop4h 50m

$179

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 6/19

12:32 pm-8:51 pm

1 stop9h 19m

New Orleans Louis Armstrong

Sun 6/22

6:01 pm-6:30 am

1 stop11h 29m

$253

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Sun 8/24

5:45 am-12:05 pm

1 stop7h 20m

New Orleans Louis Armstrong

Fri 9/5

4:51 pm-11:52 pm

1 stop6h 01m

$256

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Sat 7/12

9:09 pm-6:55 am

1 stop10h 46m

$74

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Tue 9/9

9:05 am-2:45 pm

2 stops6h 40m

$79

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Tue 7/29

11:21 am-5:58 pm

1 stop7h 37m

$153

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Tue 7/29

4:36 pm-5:40 pm

Nonstop2h 04m

$178

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 12 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 June 9, 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 41 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 June 12, 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. Sunday 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 June 12, 2025.

The most flights from KE9 to MSY are scheduled on a Wednesday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (13 on average).

Rainfall in New Orleans by month

Plan your trip to New Orleans by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in New Orleans ranges from 3.3 - 6.4 inches per month. June is typically the wettest month, when rainfall can reach 6.4 in. October is typically the driest time to visit New Orleans when rainfall is around 3.3 in.

Temperature in New Orleans by month

Plan your trip to New Orleans by taking into account the average temperature totals by month.

If weather is an important factor for your trip to New Orleans, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 12, 2025.
To help decide which airline to fly from Key Largo to New Orleans, see what other customers have to say about Southwest, Delta and United Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,287 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,950 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,790 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Spirit Airlines
6.3
Okay
8,052 reviews
Southwest
8.0
Very good
4,287 reviews

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 15 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 16 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 Spirit Airlines ($74), Southwest ($79), and Delta ($153).

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

    Consider Envoy Air (91%), Spirit Airlines (87%) or Royal Air Maroc (74%) 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 $246, our data shows the cheapest flight currently is $76. When looking at the most popular route, (Miami - New Orleans Louis Armstrong), you can expect to pay $156 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 Key Largo?

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

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Alternative routes for Key Largo to New Orleans

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$55Average$142FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$131Average$329FlexibilityNo cancel feeOn-time71%
DeltaCheapest$192Average$359FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$246Average$364FlexibilityNo cancel feeOn-time63%

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