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

This flight path from New Orleans Louis Armstrong to Key Largo was viewed by 125 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 New Orleans to Key Largo one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $35. JetBlue flights start at $42 while deals on United Airlines start at $64 one-way.

Weekly flight availability from New Orleans to Key Largo

The most flights from MSY to KE9 are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

In terms of precipitation, rainfall in Key Largo ranges from 1.6 - 9.9 inches per month. September is typically the wettest month, when rainfall can reach 9.9 in. January is typically the driest time to visit Key Largo when rainfall is around 1.6 in.

If weather is an important factor for your trip to Key Largo, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).

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

The cheapest flight price from New Orleans to Key Largo is $113. On average you can expect to pay $483. The most popular route, (New Orleans Louis Armstrong - Miami), can usually be booked for $170.

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

The top 3 most reliable airlines when flying from New Orleans to Key Largo are Royal Air Maroc (85%), Gulf Air (81%) and Qatar Airways (80%).

What are the most popular airlines that fly from New Orleans to Key Largo?

American Airlines, JetBlue and Southwest are the most popular airlines when flying from New Orleans to Key Largo.

What airport do you fly from for flights from New Orleans to Key Largo?

Most people fly from New Orleans Louis Armstrong (MSY) if they book a flight from New Orleans to Key Largo. On average, Louis Armstrong has 13 outbound flights to Key Largo per day from 7 airlines. New Orleans Louis Armstrong is conveniently located just 11.4 mi from New Orleans’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from New Orleans to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from New Orleans to Key Largo

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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Key Largo are usually found in January or February, booked 65 days in advance, depart on a Friday or Saturday and return on a Wednesday

Find flight deals from New Orleans to Key Largo

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Popular in	June
Cheapest in	January
Average price	$330

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Highest demand for flights based on searches. 10% potential increase in price ($37 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in October 2026

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Cheapflights Insights

Everything you need to know about your flight from New Orleans to Key Largo

Prices

Airlines

What is the cheapest time of day to fly from MSY to KE9?

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 66% versus a flight at noon.

What is the cheapest day to fly from New Orleans to Key Largo?

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

Reviews of airlines servicing Key Largo

Read reviews from past customers who have flown Southwest,Delta, andJetBlue 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.

Southwest

7.9

Good

4,225 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Southwest

7.9

Good

4,225 reviews

Southwest

7.9

Good

4,225 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Delta

7.8

Good

8,655 reviews

Southwest

7.9

Good

4,225 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

JetBlue

7.1

Good

3,045 reviews

Southwest

7.9

Good

4,225 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

American Airlines

7.0

Good

12,143 reviews

Southwest

7.9

Good

4,225 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Frontier

5.6

Fair

2,550 reviews

Southwest

7.9

Good

4,225 reviews

Reviews

1 / 20

8.0

Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

What airport do you fly from for flights from New Orleans to Key Largo?
Most people fly from New Orleans Louis Armstrong (MSY) if they book a flight from New Orleans to Key Largo. On average, Louis Armstrong has 13 outbound flights to Key Largo per day from 7 airlines. New Orleans Louis Armstrong is conveniently located just 11.4 mi from New Orleans’s city center.
How popular is this New Orleans to Key Largo flight route?
This flight path from New Orleans Louis Armstrong to Key Largo was viewed by 125 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 New Orleans to Key Largo one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $35. JetBlue flights start at $42 while deals on United Airlines start at $64 one-way.
What are the most reliable airlines from New Orleans to Key Largo?
The top 3 most reliable airlines when flying from New Orleans to Key Largo are Royal Air Maroc (85%), Gulf Air (81%) and Qatar Airways (80%).
What are the cheapest flights from New Orleans to Key Largo?
The cheapest flight price from New Orleans to Key Largo is $113. On average you can expect to pay $483. The most popular route, (New Orleans Louis Armstrong - Miami), can usually be booked for $170.
Can I find deals for flights from New Orleans to Key Largo that include hotel bookings?
Yes. In addition to deals on New Orleans to Key Largo flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from New Orleans to Key Largo?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from New Orleans to Key Largo.
Can I find deals for business class flights from New Orleans to Key Largo?
Yes. Cheapflights offers flight deals from New Orleans to Key Largo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 7 airlines flying from New Orleans to Key Largo

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$56	Average$197	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$88	Average$375	FlexibilityNo cancel fee	On-timeN/A
JetBlue	Cheapest$91	Average$263	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$122	Average$376	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$138	Average$295	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$169	Average$340	FlexibilityNo cancel fee	On-time63%
Breeze Airways	Cheapest$181	Average$248	FlexibilityNo cancel fee	On-timeN/A

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

Find cheap flights from New Orleans to Key Largo with Cheapflights

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2. Select your favorite providers

3. Compare prices and book

Find flight deals from New Orleans to Key Largo

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Cheapflights Insights

What is the cheapest time of day to fly from MSY to KE9?

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 66% versus a flight at noon.

What is the cheapest day to fly from New Orleans to Key Largo?

Travelers seeking maximum savings on their New Orleans to Key Largo flight should consider departing on Monday at noon when fares are most often at their lowest. Tuesday afternoons 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

The most flights from MSY to KE9 are scheduled on a Wednesday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (10 on average).

Reviews of airlines servicing Key Largo

Read reviews from past customers who have flown Southwest,Delta, andJetBlue 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.

Related info for your journey

What airport do you fly from for flights from New Orleans to Key Largo?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for New Orleans to Key Largo

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Key Largo by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from New Orleans to Key Largo by cabin class

Find flights from New Orleans to Key Largo, based on your preferred cabin class, be it economy, premium economy, business, or first class.

New Orleans and Key Largo flights

Browse other New Orleans and Key Largo flight options. Last updated on October 11, 2026.

Other flights from New Orleans

Browse through other flights departing from New Orleans. Flights are based on user searches made on Cheapflights and were last updated on October 11, 2026.

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Top 7 airlines flying from New Orleans to Key Largo

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