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$47+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — MSY
Jan 22 — Jan 291
Thu 1/22
Thu 1/29
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 October, booked 77 days in advance, depart on a Thursday or Wednesday and return on a Friday

Cheap 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 December 23, 2025.

This American Airlines deal was found by Cheapflights users on 12/20. 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 12/3110:45 pmMIA - MSY
Nonstop2h 14mAmerican Airlines
Sat 1/36:55 pmMSY - MIA
Nonstop2h 04mAmerican Airlines
Deal found 12/20$153
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/319:26 pmMIA - MSY
Nonstop2h 18mAmerican Airlines
Thu 1/17:28 amMSY - MIA
Nonstop2h 06mAmerican Airlines
Deal found 12/21$213
This American Airlines deal was found by Cheapflights users on 12/21. 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 12/259:45 pmMIA - MSY
Nonstop2h 21mAmerican Airlines
Fri 1/25:50 amMSY - MIA
Nonstop2h 07mAmerican Airlines
Deal found 12/21$220
This American Airlines deal was found by Cheapflights users on 12/20. 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 12/264:42 pmMIA - MSY
Nonstop2h 13mAmerican Airlines
Sun 1/47:28 amMSY - MIA
Nonstop2h 06mAmerican Airlines
Deal found 12/20$221
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Sun 12/2810:45 pmMIA - MSY
Nonstop2h 14mAmerican Airlines
Mon 12/299:58 amMSY - MIA
Nonstop2h 00mAmerican Airlines
Deal found 12/21$227
This Delta deal was found by Cheapflights users on 12/21. 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.
Wed 12/316:23 pmMIA - MSY
1 stop6h 05mDelta
Thu 1/17:30 amMSY - MIA
1 stop6h 23mDelta
Deal found 12/21$233
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Wed 12/248:45 amMIA - MSY
1 stop5h 23mUnited Airlines
Mon 12/295:00 amMSY - MIA
1 stop7h 08mUnited Airlines
Deal found 12/22$235
This Frontier deal was found by Cheapflights users on 12/21. 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 12/255:30 amMIA - MSY
1 stop11h 57mFrontier
Thu 1/15:22 pmMSY - MIA
1 stop6h 25mFrontier
Deal found 12/21$238
This Delta deal was found by Cheapflights users on 12/22. 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.
Wed 12/245:45 pmMIA - MSY
1 stop5h 07mDelta
Tue 12/305:15 amMSY - MIA
1 stop4h 08mDelta
Deal found 12/22$240
This Kiwi.com deal was found by Cheapflights users on 12/22. 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.
Thu 12/255:30 amMIA - MSY
1 stop16h 27mMultiple Airlines
Tue 12/305:00 pmMSY - MIA
1 stop6h 47mMultiple Airlines
Deal found 12/22$246
This United Airlines deal was found by Cheapflights users on 12/22. 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.
Tue 12/3011:56 amMIA - MSY
1 stop7h 18mUnited Airlines
Fri 1/25:00 amMSY - MIA
1 stop4h 54mUnited Airlines
Deal found 12/22$247

Find 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 December 23, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$69
(Priceline)

One-way from

$47
(American Airlines)

Popular in

December

Cheapest in

November

Average price

$314
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
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 23, 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 1/30

10:40 pm-11:56 pm

Nonstop2h 16m

New Orleans Louis Armstrong

Mon 2/2

7:09 pm-10:10 pm

Nonstop2h 01m

$93

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Fri 1/16

7:26 pm-8:51 pm

Nonstop2h 25m

New Orleans Louis Armstrong

Mon 1/19

6:00 am-9:03 am

Nonstop2h 03m

$93

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Sat 1/17

9:05 am-10:24 am

Nonstop2h 19m

New Orleans Louis Armstrong

Sun 1/18

8:00 am-11:03 am

Nonstop2h 03m

$94

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Sat 1/24

6:45 am-11:10 am

1 stop5h 25m

New Orleans Louis Armstrong

Sun 1/25

5:05 pm-9:55 pm

1 stop3h 50m

$141

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Mon 2/2

7:55 am-2:15 pm

1 stop7h 20m

New Orleans Louis Armstrong

Sat 2/7

8:35 am-3:50 pm

1 stop6h 15m

$141

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Fri 1/9

6:55 am-11:05 am

1 stop5h 10m

New Orleans Louis Armstrong

Sun 1/11

5:05 pm-9:55 pm

1 stop3h 50m

$151

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Wed 1/28

12:00 pm-4:55 pm

1 stop5h 55m

New Orleans Louis Armstrong

Tue 2/3

7:35 am-1:35 pm

1 stop5h 00m

$151

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 2/26

6:30 pm-10:45 pm

1 stop5h 15m

New Orleans Louis Armstrong

Sun 3/1

4:55 pm-11:00 pm

1 stop5h 05m

$151

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Wed 1/7

9:00 am-2:40 pm

1 stop6h 40m

New Orleans Louis Armstrong

Sun 1/11

5:05 pm-9:55 pm

1 stop3h 50m

$151

MiamiNew Orleans

MIA - MSY

MIAMSY

Miami

Thu 1/15

10:40 pm-11:56 pm

Nonstop2h 16m

$47

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 21 results
1
2
3

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 December 19, 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 $44). 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 December 23, 2025.

It’s optimal to fly from Key Largo to New Orleans at noon. By choosing this option you can save up to 15% 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 16, 2024.

Travelers seeking maximum savings on their Key Largo to New Orleans flight should consider departing on Saturday mornings when fares are most often at their lowest. Wednesday afternoons 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 December 23, 2025.

The most flights from KE9 to MSY are scheduled on a Monday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 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 December 23, 2025.
Get a feel of what it's like to fly with Southwest, American Airlines, and JetBlue 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
4,255 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,255 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,051 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
JetBlue
7.2
Good
2,898 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Spirit Airlines
6.3
Okay
8,194 reviews
Southwest
8.0
Very good
4,255 reviews

Entertainment

7.5

Crew

8.6

Overall

8.0

Food

7.0

Boarding

8.1

Comfort

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 12 daily inbound flights from Key Largo from 6 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.

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

    American Airlines and Southwest can get you from Key Largo to New Orleans in just under 2h 16m. Your travel time can differ by up to 3h 09m. 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 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 Frontier ($30), Spirit Airlines ($35), and JetBlue ($63).

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

    Consider Finnair (100%), Envoy Air (92%) or Gulf Air (85%) 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 $197, our data shows the cheapest flight currently is $46. When looking at the most popular route, (Miami - New Orleans Louis Armstrong), you can expect to pay $89 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 $44). 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
Gonzales
Covington
Gretna
Hammond

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 6 airlines flying from Key Largo to New Orleans

Discover the top 6 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 December 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$46Average$186FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$73Average$149FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$159Average$319FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$166Average$346FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$186Average$207FlexibilityNo cancel feeOn-time69%
DeltaCheapest$187Average$345FlexibilityNo cancel feeOn-timeN/A

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