$137 Cheap Flights from New Orleans (MSY) to San Diego (SAN)

View $137 flight on Tue, Nov 4, 2025Opens in a new window

Popular airlines from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)

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Cheap Flights from New Orleans to San Diego (MSY-SAN)

Prices were available within the past 7 days and start at $137 for one-way flights and $187 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Jan 9 - Sun, Jan 11
MSY
New Orleans
SAN
San Diego
$187 Roundtrip, found 2 days ago
$187
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Jan 9 from New Orleans to San Diego, returning Sun, Jan 11, priced at $187 found 2 days ago
American Airlines
Thu, Oct 16 - Mon, Oct 20
MSY
New Orleans
SAN
San Diego
$191 Roundtrip, found 1 day ago
$191
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Oct 16 from New Orleans to San Diego, returning Mon, Oct 20, priced at $191 found 1 day ago
United
Sat, Nov 1 - Mon, Nov 3
MSY
New Orleans
SAN
San Diego
$195 Roundtrip, found 3 days ago
$195
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from New Orleans to San Diego, returning Mon, Nov 3, priced at $195 found 3 days ago
United
Thu, Dec 11 - Mon, Dec 15
MSY
New Orleans
SAN
San Diego
$197 Roundtrip, found 4 days ago
$197
Roundtrip
found 4 days ago
Select United flight, departing Thu, Dec 11 from New Orleans to San Diego, returning Mon, Dec 15, priced at $197 found 4 days ago
United
Wed, Nov 5 - Sat, Nov 8
MSY
New Orleans
SAN
San Diego
$203 Roundtrip, found 4 days ago
$203
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 5 from New Orleans to San Diego, returning Sat, Nov 8, priced at $203 found 4 days ago
United
Wed, Oct 29 - Sat, Nov 1
MSY
New Orleans
SAN
San Diego
$205 Roundtrip, found 4 days ago
$205
Roundtrip
found 4 days ago
Select United flight, departing Wed, Oct 29 from New Orleans to San Diego, returning Sat, Nov 1, priced at $205 found 4 days ago
United
Sat, Nov 1 - Mon, Nov 3
MSY
New Orleans
SAN
San Diego
$206 Roundtrip, found 3 days ago
$206
Roundtrip
found 3 days ago
Select United flight, departing Sat, Nov 1 from New Orleans to San Diego, returning Mon, Nov 3, priced at $206 found 3 days ago
Southwest Airlines
Wed, Oct 29 - Sat, Nov 1
MSY
New Orleans
SAN
San Diego
$208 Roundtrip, found 4 days ago
$208
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Oct 29 from New Orleans to San Diego, returning Sat, Nov 1, priced at $208 found 4 days ago
Alaska Airlines
Sat, Dec 6 - Wed, Dec 10
MSY
New Orleans
SAN
San Diego
$209 Roundtrip, found 1 day ago
$209
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Sat, Dec 6 from New Orleans to San Diego, returning Wed, Dec 10, priced at $209 found 1 day ago
Delta
Sat, Oct 11 - Tue, Oct 14
MSY
New Orleans
SAN
San Diego
$221 Roundtrip, found 1 day ago
$221
Roundtrip
found 1 day ago
Select Delta flight, departing Sat, Oct 11 from New Orleans to San Diego, returning Tue, Oct 14, priced at $221 found 1 day ago

Find the cheapest month to fly from New Orleans (MSY) to San Diego (SAN)

May is typically the cheapest month to fly

From $120 - $517 per traveler.
Flights from New Orleans (MSY) to San Diego (SAN)
Origin airport
Louis Armstrong New Orleans Intl.
Destination airport
San Diego Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Roundtrip price
$186
Distance
1596 mi
Average flight time
1 hour 45 mins

New Orleans to San Diego Flights

The cheapest times to fly from New Orleans to San Diego

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from New Orleans to San Diego are during the month of January. You can find some of the cheapest flights from New Orleans to San Diego with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from New Orleans to San Diego

Sunday is one of the best days to book for cheap flights from New Orleans to San Diego: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from New Orleans to San Diego

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from New Orleans to San Diego in 2025. You can also book with separate airlines for your outbound and return journeys, from $137 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap New Orleans to San Diego flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your New Orleans to San Diego airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN) cost?
Grab a cheap one-way flight from $137 or cheap return flight from $187 from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
January is the most affordable month to fly from MSY to SAN. Timing your trip outside of the busy season is often the key to finding a great deal.
Which airlines fly direct from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
Fly nonstop from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN) on a Southwest Airlines flight.
What is the cheapest airline that flies from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from MSY to SAN. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
On average, you can take your pick of 6 direct flights departing from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN) per week. If you don't see one that fits your schedule, consider booking a flight that includes a layover. Filter your search results on Expedia to include one stop or more and opt for the best alternative.
What are the most popular departure times for flights from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
More people fly between MSY and SAN at 12 PM than at any other time. Looking to skip the crowds? Pick a flight outside the busiest times and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from MSY to SAN?
Friday offers the most flights from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN). Consider leaving on this day and you'll have a greater chance of finding a schedule that works for you.
What is the earliest flight from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
Hop on the earliest flight at around 12:00PM UTC-6, heading out of Louis Armstrong New Orleans Intl. Airport (MSY). You'll be flying for around 4h 20m, arriving at San Diego Intl. Airport (SAN) at approximately 2:20PM UTC-8.
How long does it take to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
It usually takes 4 hours and 20 minutes to fly the 1,600 mi from MSY to SAN.
What is the best time to fly from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
To reach San Diego Intl. Airport (SAN) on time, choose a flight that takes off from Louis Armstrong New Orleans Intl. Airport (MSY) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for San Diego from Louis Armstrong New Orleans Intl. Airport (MSY)?
San Diego Intl. Airport (SAN) is the only airport in San Diego with direct flights from Louis Armstrong New Orleans Intl. Airport (MSY). Compare the options and find affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN) last-minute?
Booking your flight from MSY to SAN shortly before your journey is typically more expensive. But if you're flexible with your schedule, you could score a cheap last-minute fare.
Is it cheaper to book a MSY to SAN flight and hotel package?
Compared with arranging hotels and flights separately, booking a MSY to SAN flight and hotel package with Expedia could result in significant savings. Better still, having it all in one place will take the hassle out of travel planning. Simply pick your flights and select from our wide range of stays, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Louis Armstrong New Orleans Intl. Airport (MSY) to San Diego Intl. Airport (SAN)?
If you reserved your MSY to SAN flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

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*Available to One Key members.