Cheap flights from New Orleans to St. Louis from $84
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from New Orleans to St. Louis departing on 8/24. 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 New Orleans to St. Louis
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American Airlines flights from New Orleans to St. Louis
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How to get the cheapest flight ticket from New Orleans to St. Louis
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 St. Louis?
In general, July is the cheapest month to fly from New Orleans to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $249. The month of August is another great option to travel to St. Louis, with average flight prices from New Orleans averaging around $254.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $375. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $504. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from New Orleans in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $395 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $571 per ticket.
What is the cheapest New Orleans Louis Armstrong to Lambert-St Louis flight route?
Fly from New Orleans Louis Armstrong to Lambert-St Louis for the best New Orleans Louis Armstrong - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from New Orleans when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $342 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from New Orleans for as low as $248 on momondo.
What cabin class options are available on New Orleans Louis Armstrong to Lambert-St Louis flights?
There are 1 cabin classes available to choose from on New Orleans Louis Armstrong to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from New Orleans Louis Armstrong to Lambert-St Louis?
Frontier, Spirit Airlines, and Southwest are the most popular carriers operating from New Orleans Louis Armstrong to Lambert-St Louis
What airlines fly to St. Louis?
American Airlines, Delta and Southwest are the top three most popular airlines that fly to St. Louis from New Orleans according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from New Orleans to St. Louis on average per day?
1 flights are operational daily from New Orleans to St. Louis as of July 2025. The most popular departure time for this route is 6:00AM, with 50% of flights per day taking off at noon.
How many flights depart from New Orleans to St. Louis on average per week?
As of July 2025, there are 8 flights per week flying from New Orleans to St. Louis. The most common day of the week flights depart is Mon, with 25% of flights taking off on this day.
When to book flights from New Orleans to St. Louis
Cheap New Orleans to St. Louis (MSY to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from New Orleans to St. Louis
How far is New Orleans Louis Armstrong to Lambert-St Louis by plane?
The distance between New Orleans Louis Armstrong and Lambert-St Louis is about 599.0 mi. Flights usually cover this in 1h 50m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport?
Prices for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport are updated daily.
How many operators does momondo search for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport?
As of July 2025, there are 4 operators available to choose from for flights from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport.
How old do you have to be to fly from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from New Orleans to St. Louis?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from New Orleans to St. Louis is Boeing 737 MAX 8 (17.33% of total bookings). The next most popular plane models are Boeing 737-800 Passenger/BBJ2 (winglets) (16.00%), Boeing 737-700 Passenger/BBJ1 (winglets) (12.67%), and Boeing 737-800 (10.67%).
What is the most popular airline from New Orleans to St. Louis?
Based on momondo bookings for this flight route, the most popular airline on flight routes from New Orleans to St. Louis is Southwest (52% of total bookings). The next most popular airlines are Delta (22%), American Airlines (13%), and United Airlines (12%).
Best airlines flying from New Orleans to St. Louis
Compare and see reviews for airlines that fly from New Orleans to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $178 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $188 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $196 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $296 | Free Cancellation | Rating 8.0 4,266 reviews |
Southwest Flights From New Orleans to St. Louis
The lowest priced Southwest flight from New Orleans to St. Louis from the last 72 hours was $296. Generally, Southwest has 8 flights on this route every week with an average price of $414. Southwest is rated 8.0/10 by our users.
Traveling to a place near St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from New Orleans to St. Louis?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from New Orleans.
Can I find flights from New Orleans to St. Louis with flexible booking policies on momondo?
Yes. All flights to St. Louis from New Orleans on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from New Orleans to St. Louis?
Once all potential New Orleans to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from New Orleans to St. Louis right now. Can momondo alert me if prices change?
If you are not ready to book a flight from New Orleans to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.