Cheap flights from St. Louis to New Orleans from $80
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to New Orleans departing on 10/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from St. Louis to New Orleans
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Southwest flights from St. Louis to New Orleans
Our best Southwest deals on St. Louis to New Orleans flight tickets
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How to get the cheapest flight ticket from St. Louis to New Orleans
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to New Orleans?
The cheapest month to fly to New Orleans from St. Louis is in August. Flight prices, which tend to average around $296, are often lower during this time because this is during the off-season. If you are unable to visit New Orleans during the month of August, then departing from St. Louis during the month November is also very affordable. Most momondo users find prices during this month for around $324.
What is the cheapest day to depart on your flight to New Orleans?
The cheapest day to depart from St. Louis to New Orleans is on a Monday when prices can be found for as low as $362. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to New Orleans for around $462.
What is the cheapest time of day to depart on your flight to New Orleans?
The cheapest time of day to fly to New Orleans is at noon when flights can be purchased for as low as $371. In the morning is when there is more demand to fly to New Orleans, so prices are often more expensive at around $429 per ticket.
What is the cheapest Lambert-St Louis to New Orleans Louis Armstrong flight route?
Fly from Lambert-St Louis to New Orleans Louis Armstrong for the best Lambert-St Louis - New Orleans Louis Armstrong flight prices
How far in advance should I book a flight to New Orleans?
You are more likely to see cheaper flights to New Orleans from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to New Orleans for around $385 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New Orleans from St. Louis for as low as $274 on momondo.
What cabin class options are available on Lambert-St Louis to New Orleans Louis Armstrong flights?
There are 1 cabin classes available to choose from on Lambert-St Louis to New Orleans Louis Armstrong flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on St. Louis to New Orleans flights?
You could potentially save up to 28% on your flight if you consider stops on a St. Louis to New Orleans flight.
How have St. Louis to New Orleans flight prices changed over time?
As of July 2025, prices for St. Louis to New Orleans flights are approximately 18% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Lambert-St Louis to New Orleans Louis Armstrong?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from Lambert-St Louis to New Orleans Louis Armstrong
What airlines fly to New Orleans?
Southwest, American Airlines and Delta are the top three most popular airlines that fly to New Orleans from St. Louis according to our data. Southwest is the first choice among our users, with 42% of people opting to fly with this airline when traveling to New Orleans. Keep in mind that there are 6 different airlines that fly to New Orleans on a routine basis, so you have a few additional options to choose from.
How many flights depart from St. Louis to New Orleans on average per day?
The number of flights available between St. Louis and New Orleans is 1 per day as of July 2025. The most frequent departure time is 5:00PM, with 38% of daily flights leaving in the evening.
How many flights depart from St. Louis to New Orleans on average per week?
11 flights are operational weekly from St. Louis to New Orleans as of July 2025. The most popular departure day for this route is Wed, with 27% of flights per week taking off on this day.
When to book flights from St. Louis to New Orleans
Cheap St. Louis to New Orleans (STL to MSY) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to New Orleans
How far is Lambert-St Louis to New Orleans Louis Armstrong by plane?
The distance between Lambert-St Louis and New Orleans Louis Armstrong is about 599.0 mi. Typically, this will take 1h 40m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport?
Prices for flights from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport?
There are 6 operators available for flights from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport as of July 2025.
How old do you have to be to fly from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to New Orleans Louis Armstrong Airport.
What documentation or ID do you need to fly to New Orleans Louis Armstrong Airport?
The travel and health documents you'll need for your trip to New Orleans Louis Armstrong Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at New Orleans Louis Armstrong Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from St. Louis to New Orleans?
Based on momondo bookings for flights between St. Louis and New Orleans, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 42.86% of the total bookings. Other popular models include Boeing 737-700 Passenger/BBJ1 (winglets) with 36.05%, Boeing 737 MAX 8 with 15.65%, and Airbus A319 with 0.68%.
What is the most popular airline from St. Louis to New Orleans?
Based on momondo bookings for flights between St. Louis and New Orleans, the leading airline is Southwest, making up 54% of the total bookings. Other popular airlines include American Airlines with 17%, Delta with 14%, and United Airlines with 11%.
Best airlines flying from St. Louis to New Orleans
Compare and see reviews for airlines that fly from St. Louis to New Orleans with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $127 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $151 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $210 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $216 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $293 | Free Cancellation | Rating 8.0 4,270 reviews |
Southwest Flights From St. Louis to New Orleans
Southwest is one of the most popular airlines flying from St. Louis to New Orleans, operating 8 flights/week on average for this route. A good Southwest flight deal for St. Louis to New Orleans starts from $293 round-trip, up to an average price of $426. Our users have rated Southwest at 8.0/10.
United Airlines Flights From St. Louis to New Orleans
United Airlines is also a popular choice for this route. United Airlines flight deals for St. Louis to New Orleans start from as low as $216 round-trip, depending on your selected dates, with average United Airlines deals seen on momondo around $346. United Airlines operates 3 flights to New Orleans from St. Louis in an average week. Users have rated it 7.4/10 across 8,861 reviews.
Traveling to a place near New Orleans?
Book flights to New Orleans if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to New Orleans?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to New Orleans. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to New Orleans with flexible booking policies on momondo?
momondo does allow users to show only those flights to New Orleans from St. Louis which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from St. Louis to New Orleans?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to New Orleans from St. Louis.
I’m not ready to book a flight from St. Louis to New Orleans right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to New Orleans from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.