$118+ Cheap flights from New Orleans (MSY) to Key Largo, FL
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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — MIA
Aug 7 — Aug 141
Round-trip
1 adult, Economy
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Find cheap flights from New Orleans to Key Largo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Key Largo are usually found in October or November, booked 22 days in advance, depart on a Friday or Saturday and return on a Wednesday
Cheap flight deals from New Orleans to Key Largo
Cheapest
Best
Last-minute
One-way
Cheapest flights from New Orleans to Key LargoExplore the most affordable flight options available from New Orleans to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
Explore the most affordable flight options available from New Orleans to Key Largo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 8, 2026.
This Frontier deal was found by Cheapflights users on 7/3. 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.
Fri 9/113:35 pm
MSY
- MIA
1 stop13h 13m
Frontier
Sat 9/197:00 am
MIA
- MSY
1 stop11h 08m
Frontier
Deal found 7/3![Frontier logo]()
$244
This Frontier deal was found by Cheapflights users on 7/6. 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.
Sat 8/15:09 pm
MSY
- MIA
1 stop5h 31m
Frontier
Mon 8/36:00 am
MIA
- MSY
1 stop16h 03m
Frontier
Deal found 7/6![Frontier logo]()
$245
This Frontier deal was found by Cheapflights users on 7/3. 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.
Sat 7/2510:50 am
MSY
- MIA
1 stop8h 36m
Frontier
Mon 7/276:00 am
MIA
- MSY
1 stop16h 03m
Frontier
Deal found 7/3![Frontier logo]()
$246
This American Airlines deal was found by Cheapflights users on 7/3. 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 9/115:52 pm
MSY
- MIA
1 stop5h 07m
American Airlines
Sat 9/198:20 am
MIA
- MSY
Nonstop2h 07m
American Airlines
Deal found 7/3![American Airlines logo]()
$247
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/16:05 am
MSY
- MIA
Nonstop2h 06m
American Airlines
Mon 8/38:40 am
MIA
- MSY
1 stop5h 19m
American Airlines
Deal found 7/7![American Airlines logo]()
$248
This Jettzy deal was found by Cheapflights users on 7/2. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1711:48 am
MSY
- MIA
1 stop7h 38m
Frontier
Mon 8/2411:10 am
MIA
- MSY
1 stop7h 52m
Frontier
Deal found 7/2![Frontier logo]()
$249
This Frontier deal was found by Cheapflights users on 7/4. 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.
Sat 7/185:12 pm
MSY
- MIA
1 stop5h 28m
Frontier
Fri 7/246:20 am
MIA
- MSY
1 stop8h 09m
Frontier
Deal found 7/4![Frontier logo]()
$250
This Delta deal was found by Cheapflights users on 7/6. 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.
Fri 10/306:02 pm
MSY
- MIA
1 stop5h 51m
Delta
Wed 11/1112:45 pm
MIA
- MSY
1 stop7h 09m
Delta
Deal found 7/6![Delta logo]()
$252
This American Airlines deal was found by Cheapflights users on 7/4. 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.
Sat 7/251:50 pm
MSY
- MIA
1 stop5h 31m
American Airlines
Mon 7/2711:05 pm
MIA
- MSY
Nonstop2h 04m
American Airlines
Deal found 7/4![American Airlines logo]()
$253
This Expedia deal was found by Cheapflights users on 7/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/239:48 pm
MSY
- MIA
1 stop31h 03m
Frontier
Sun 7/266:00 am
MIA
- MSY
1 stop16h 03m
Frontier
Deal found 7/3![Frontier logo]()
$254
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 9/75:40 am
MSY
- MIA
1 stop4h 45m
Southwest
Mon 9/146:20 am
MIA
- MSY
1 stop6h 15m
Southwest
Deal found 7/7![Southwest logo]()
$255
This Southwest deal was found by Cheapflights users on 7/6. 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.
Wed 9/97:10 am
MSY
- MIA
2 stops7h 55m
Southwest
Mon 9/145:45 am
MIA
- MSY
1 stop4h 30m
Southwest
Deal found 7/6![Southwest logo]()
$256
Best flights from New Orleans to Key LargoDiscover carefully curated flight deals from New Orleans to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
Discover carefully curated flight deals from New Orleans to Key Largo that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 8, 2026.
This American Airlines deal was found by Cheapflights users on 7/7. 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 11/196:17 pm
MSY
- MIA
Nonstop1h 58m
American Airlines
Mon 11/237:47 pm
MIA
- MSY
Nonstop2h 15m
American Airlines
Deal found 7/7![American Airlines logo]()
$247
This Delta deal was found by Cheapflights users on 7/5. 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.
Sat 11/74:56 pm
MSY
- MIA
1 stop6h 57m
Delta
Sun 11/156:00 am
MIA
- MSY
1 stop4h 34m
Delta
Deal found 7/5![Delta logo]()
$252
This Southwest deal was found by Cheapflights users on 7/7. 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.
Fri 9/185:30 am
MSY
- MIA
1 stop8h 10m
Southwest
Mon 9/214:50 pm
MIA
- MSY
2 stops6h 35m
Southwest
Deal found 7/7![Southwest logo]()
$272
This American Airlines deal was found by Cheapflights users on 7/7. 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.
Sat 8/16:05 am
MSY
- MIA
Nonstop2h 06m
American Airlines
Mon 8/38:40 am
MIA
- MSY
1 stop5h 19m
American Airlines
Deal found 7/7![American Airlines logo]()
$248
This Southwest deal was found by Cheapflights users on 7/2. 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.
Mon 8/1711:35 am
MSY
- MIA
2 stops9h 30m
Southwest
Mon 8/244:50 pm
MIA
- MSY
2 stops6h 35m
Southwest
Deal found 7/2![Southwest logo]()
$278
This Southwest deal was found by Cheapflights users on 7/7. 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.
Mon 11/2311:05 am
MSY
- MIA
1 stop5h 55m
Southwest
Fri 11/274:15 pm
MIA
- MSY
1 stop8h 15m
Southwest
Deal found 7/7![Southwest logo]()
$287
This Southwest deal was found by Cheapflights users on 7/5. 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.
Thu 10/12:30 pm
MSY
- MIA
2 stops7h 35m
Southwest
Mon 10/55:20 am
MIA
- MSY
1 stop7h 50m
Southwest
Deal found 7/5![Southwest logo]()
$292
This Southwest deal was found by Cheapflights users on 7/7. 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.
Wed 9/3012:45 pm
MSY
- MIA
2 stops6h 15m
Southwest
Sun 10/46:50 pm
MIA
- MSY
1 stop5h 40m
Southwest
Deal found 7/7![Southwest logo]()
$324
This Southwest deal was found by Cheapflights users on 7/4. 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.
Sat 7/2512:10 pm
MSY
- MIA
2 stops9h 00m
Southwest
Mon 7/273:05 pm
MIA
- MSY
2 stops8h 50m
Southwest
Deal found 7/4![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 7/6. 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.
Sun 12/67:10 am
MSY
- MIA
2 stops8h 15m
Southwest
Sat 12/1212:20 pm
MIA
- MSY
2 stops8h 25m
Southwest
Deal found 7/6![Southwest logo]()
$334
Last-minute flights from New Orleans to Key LargoDiscover last-minute flight deals from New Orleans to Key Largo. Data last updated July 8, 2026 and is based on user searches.
Discover last-minute flight deals from New Orleans to Key Largo. Data last updated July 8, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 7/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:48 pm
MSY
- MIA
1 stop31h 03m
Frontier
Sat 7/188:30 am
MIA
- MSY
1 stop8h 57m
Frontier
Deal found 7/3![Frontier logo]()
$304
This Super.com deal was found by Cheapflights users on 7/6. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/139:48 pm
MSY
- MIA
1 stop31h 03m
Frontier
Wed 7/1511:19 am
MIA
- MSY
1 stop6h 08m
Frontier
Deal found 7/6![Frontier logo]()
$329
This Kiwi.com deal was found by Cheapflights users on 7/6. 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.
Tue 7/145:07 pm
MSY
- MIA
1 stop19h 46m
Frontier
Thu 8/2711:10 am
MIA
- MSY
1 stop7h 52m
Frontier
Deal found 7/6![Frontier logo]()
$293
This Kiwi.com deal was found by Cheapflights users on 7/3. 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.
Tue 7/145:07 pm
MSY
- MIA
1 stop22h 26m
Frontier
Sat 7/186:50 am
MIA
- MSY
1 stop7h 39m
Frontier
Deal found 7/3![Frontier logo]()
$320
This Priceline deal was found by Cheapflights users on 7/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:02 pm
MSY
- MIA
1 stop5h 03m
Frontier
Wed 7/228:30 am
MIA
- MSY
1 stop8h 57m
Frontier
Deal found 7/3![Frontier logo]()
$292
This Expedia deal was found by Cheapflights users on 7/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/165:02 pm
MSY
- MIA
1 stop5h 03m
Frontier
Mon 7/206:00 am
MIA
- MSY
1 stop16h 03m
Frontier
Deal found 7/3![Frontier logo]()
$302
This Expedia deal was found by Cheapflights users on 7/3. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/169:48 pm
MSY
- MIA
1 stop31h 03m
Frontier
Sun 7/196:50 am
MIA
- MSY
1 stop7h 39m
Frontier
Deal found 7/3![Frontier logo]()
$313
This American Airlines deal was found by Cheapflights users on 7/3. 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 7/176:57 pm
MSY
- MIA
Nonstop2h 02m
American Airlines
Mon 7/2011:05 pm
MIA
- MSY
Nonstop2h 04m
American Airlines
Deal found 7/3![American Airlines logo]()
$307
This Booking.com deal was found by Cheapflights users on 7/6. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/179:48 pm
MSY
- MIA
1 stop30h 29m
Frontier
Thu 7/2311:19 am
MIA
- MSY
1 stop5h 48m
Frontier
Deal found 7/6![Frontier logo]()
$315
One-way flights from New Orleans to Key LargoSearch for one-way flight options from New Orleans to Key Largo. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
Search for one-way flight options from New Orleans to Key Largo. Find affordable one-way fares based on user searches. Data last updated July 8, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/4. 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.
Tue 10/205:02 pm
MSY
- MIA
1 stop24h 20m
Frontier
Deal found 7/4![Frontier logo]()
$118
This American Airlines deal was found by Cheapflights users on 7/7. 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 7/299:58 am
MSY
- MIA
Nonstop2h 00m
American Airlines
Deal found 7/7![American Airlines logo]()
$119
This Frontier deal was found by Cheapflights users on 7/7. 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.
Sat 8/155:09 pm
MSY
- MIA
1 stop5h 49m
Frontier
Deal found 7/7![Frontier logo]()
$120
This Kiwi.com deal was found by Cheapflights users on 7/3. 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 7/305:02 pm
MSY
- MIA
1 stop22h 31m
Frontier
Deal found 7/3![Frontier logo]()
$121
This Kiwi.com deal was found by Cheapflights users on 7/7. 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.
Mon 9/77:11 pm
MSY
- MIA
1 stop17h 21m
Frontier
Deal found 7/7![Frontier logo]()
$122
This American Airlines deal was found by Cheapflights users on 7/7. 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 9/36:55 pm
MSY
- MIA
Nonstop2h 04m
American Airlines
Deal found 7/7![American Airlines logo]()
$124
This Frontier deal was found by Cheapflights users on 7/6. 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.
Sat 10/33:35 pm
MSY
- MIA
1 stop13h 13m
Frontier
Deal found 7/6![Frontier logo]()
$126
This American Airlines deal was found by Cheapflights users on 7/6. 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.
Sat 7/256:57 pm
MSY
- MIA
Nonstop2h 02m
American Airlines
Deal found 7/6![American Airlines logo]()
$128
This Delta deal was found by Cheapflights users on 7/3. 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 9/25:16 pm
MSY
- MIA
1 stop6h 31m
Delta
Deal found 7/3![Delta logo]()
$129
This Frontier deal was found by Cheapflights users on 7/6. 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.
Mon 10/53:35 pm
MSY
- MIA
1 stop13h 13m
Frontier
Deal found 7/6![Frontier logo]()
$130
This Frontier deal was found by Cheapflights users on 7/7. 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 7/235:02 pm
MSY
- MIA
1 stop5h 03m
Frontier
Deal found 7/7![Frontier logo]()
$131
This Southwest deal was found by Cheapflights users on 7/7. 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 10/68:55 am
MSY
- MIA
2 stops7h 00m
Southwest
Deal found 7/7![Southwest logo]()
$132
Find flight deals from New Orleans to Key Largo
Keep the following information in mind while searching for New Orleans to Key Largo flight deals. Data was last updated July 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $244 (Frontier) |
One-way from | $118 (Kiwi.com) |
Popular in | June |
Cheapest in | October |
Average price | $328 |
Cheapflights Fare Finder
Customize your flight search to find flights from New Orleans to Key Largo 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 July 8, 2026.
Use the filters below to find and compare flights from New Orleans to Key Largo that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Thu 11/19
6:17 pm-9:15 pm
Nonstop1h 58m
Miami
Mon 11/23
7:47 pm-9:02 pm
Nonstop2h 15m
$247
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sat 8/1
6:05 am-9:11 am
Nonstop2h 06m
Miami
Mon 8/3
8:40 am-12:59 pm
1 stop5h 19m
$248
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sat 11/7
4:56 pm-12:53 am
1 stop6h 57m
Miami
Sun 11/15
6:00 am-9:34 am
1 stop4h 34m
$252
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Fri 9/18
5:30 am-2:40 pm
1 stop8h 10m
Miami
Mon 9/21
4:50 pm-10:25 pm
2 stops6h 35m
$272
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Mon 8/17
11:35 am-10:05 pm
2 stops9h 30m
Miami
Mon 8/24
4:50 pm-10:25 pm
2 stops6h 35m
$278
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Mon 11/23
11:05 am-6:00 pm
1 stop5h 55m
Miami
Fri 11/27
4:15 pm-11:30 pm
1 stop8h 15m
$287
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Thu 10/1
2:30 pm-11:05 pm
2 stops7h 35m
Miami
Mon 10/5
5:20 am-12:10 pm
1 stop7h 50m
$292
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Wed 9/30
12:45 pm-8:00 pm
2 stops6h 15m
Miami
Sun 10/4
6:50 pm-11:30 pm
1 stop5h 40m
$324
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sat 7/25
12:10 pm-10:10 pm
2 stops9h 00m
Miami
Mon 7/27
3:05 pm-10:55 pm
2 stops8h 50m
$327
New OrleansMiami
MSY - MIA
MSYMIA
New Orleans Louis Armstrong
Sun 12/6
7:10 am-4:25 pm
2 stops8h 15m
Miami
Sat 12/12
12:20 pm-7:45 pm
2 stops8h 25m
$334
Showing 1-10 of 21 resultsSorted by cheapest first
Best time to book a flight from New Orleans to Key Largo
Have a flexible travel schedule? Discover the best time to fly to Key Largo from New Orleans with our price prediction graph.
MSY-MIA
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 New Orleans to Key Largo
MSY-KE9
MSY-MIA
What is the cheapest time of day to fly from MSY to KE9?
Find hourly flight availability from New Orleans to Key Largo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 8, 2026.
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 47% versus a flight in the morning.
Weekly flight availability from New Orleans to Key Largo
Explore weekly flight availability from New Orleans to Key Largo. 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 July 8, 2026.
The most flights from MSY to KE9 are scheduled on a Monday (16 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).
How much does it cost to fly round-trip from New Orleans to Key Largo?
What is the cheapest day to fly from New Orleans to Key Largo?
Use this chart to determine the cheapest time to fly round-trip from New Orleans to Key Largo. Price data was last updated on July 4, 2026.
Travelers seeking maximum savings on their New Orleans to Key Largo flight should consider departing on Monday evenings 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
Get insights into the airlines that provide service to Key Largo. 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 Key Largo. Reviews last updated July 8, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines 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.
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Food
7.0
Boarding
8.1
Overall
7.9
Comfort
8.0
Entertainment
7.5
Crew
8.6
Reviews
1 / 20
6.0
GoodScott,Feb 2026
HOU - FLL
Related info for your journey
Find useful and relevant information for your journey from New Orleans to Key Largo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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New Orleans and Key Largo flights
Browse other New Orleans and Key Largo flight options. Last updated on July 8, 2026.
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New Orleans to Key Largo flights
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Top 7 airlines flying from New Orleans to Key Largo
Discover the top 7 airlines that operate flights from New Orleans to Key Largo. 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 July 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$56 | Average$190 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$89 | Average$254 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$116 | Average$372 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$126 | Average$242 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$138 | Average$331 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$167 | Average$337 | FlexibilityNo cancel fee | On-time63% |