$143 Cheap Delta flights New Orleans (MSY) to Key West (EYW)

View $143 flight on Mon, Sep 15, 2025Opens in a new window

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$143 Cheap Delta flights New Orleans (MSY) to Key West (EYW)

Prices were available within the past 7 days and start at $143 for one-way flights and $235 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, Aug 13 - Fri, Aug 15
MSY
New Orleans
EYW
Key West
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select Delta flight, departing Wed, Aug 13 from New Orleans to Key West, returning Fri, Aug 15, priced at $235 found 2 days ago
Delta
Wed, Oct 1 - Fri, Oct 3
MSY
New Orleans
EYW
Key West
$242 Roundtrip, found 23 hours ago
$242
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Oct 1 from New Orleans to Key West, returning Fri, Oct 3, priced at $242 found 23 hours ago
Delta
Sat, Oct 11 - Wed, Oct 15
MSY
New Orleans
EYW
Key West
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Delta flight, departing Sat, Oct 11 from New Orleans to Key West, returning Wed, Oct 15, priced at $249 just found
Delta
Sat, Oct 11 - Wed, Oct 15
MSY
New Orleans
EYW
Key West
$261 Roundtrip, just found
$261
Roundtrip
just found
Select Delta flight, departing Sat, Oct 11 from New Orleans to Key West, returning Wed, Oct 15, priced at $261 just found
Delta
Wed, Oct 1 - Fri, Oct 3
MSY
New Orleans
EYW
Key West
$270 Roundtrip, found 23 hours ago
$270
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Oct 1 from New Orleans to Key West, returning Fri, Oct 3, priced at $270 found 23 hours ago
Delta
Thu, Nov 13 - Wed, Nov 19
MSY
New Orleans
EYW
Key West
$274 Roundtrip, just found
$274
Roundtrip
just found
Select Delta flight, departing Thu, Nov 13 from New Orleans to Key West, returning Wed, Nov 19, priced at $274 just found
Flights from New Orleans (MSY) to Key West (EYW)
Origin airport
Louis Armstrong New Orleans Intl.
Destination airport
Key West Intl.
Airlines serving
American Airlines, Breeze Airways, Delta, United
Popular airline
Delta
Distance
642 mi

Frequently asked questions

How much is a Delta Air Lines flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Key West Intl. Airport (EYW)?
You can find cheap return Delta Air Lines flights from $235 from MSY to EYW by organizing your results from "Price (lowest to highest)" on Expedia. Or search for options from $143 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from MSY to EYW with Delta Air Lines?
Look for return or one-way flights to Key West in September or August. You could find an affordable fare with Delta Air Lines during these off-peak travel months.
What is the cheapest time to book flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Key West Intl. Airport (EYW) with Delta Air Lines?
To find cheap Delta Air Lines fares from Louis Armstrong New Orleans Intl. Airport (MSY) to Key West Intl. Airport (EYW), start searching one to three months before your planned departure. Securing domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also affect what you pay. Sunday is typically the most affordable, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking your flight on a Sunday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Louis Armstrong New Orleans Intl. Airport (MSY) to Key West Intl. Airport (EYW)?
Select our "Nonstop" filter when looking for direct Delta Air Lines flights from MSY to EYW. It's also a great way to compare other airlines offering the same nonstop trip.
What is the earliest Delta Air Lines flight from MSY to EYW?
Search Delta Air Lines's earliest flights from MSY to EYW by checking our "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Key West?
Delta Air Lines flights from Louis Armstrong New Orleans Intl. Airport (MSY) to Key West come in to Key West Intl. Airport (EYW). This is the main gateway here.
Why fly with Delta Air Lines from MSY to EYW?
Taking off from MSY to EYW with Delta Air Lines means enjoying plenty of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can collect OneKeyCash™* to use on select future travel purchases. That's in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Louis Armstrong New Orleans Intl. Airport (MSY) to Key West Intl. Airport (EYW)?
Changes are usually free within 24 hours of booking, but your airline may charge a fee after that time. For more information about altering your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to adjust your plans without additional costs, check the "Changes included" or "No cancel fee" filter when organizing your next getaway.

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