MSY - STL

$66 Find Cheap Flights from New Orleans to St. Louis - Compare and Save

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Everything you should know

Cheapest round-trip
$129
Typical prices: $350-$490
Frontier
Mon 10/15Fri 10/19
MSY - STL • 1 stop
Cheapest non-stop
$289
Typical prices: $377-$534
Southwest
Sun 10/14Tue 10/16
MSY - STL • Non-stop
Nonstop flights
You can fly direct with Southwest. Average duration is 1h 47m
Direct flights
+1
Direct flights
+1
When to travel
Cheapest • 22% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $165 (round-trip)
Shortest trip • 4h 32m (one-way)
Insights
Insights
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Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from New Orleans to St. Louis (MSY-STL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from New Orleans to St. Louis

Thu, Oct 15 - Mon, Oct 19
Frontier Logo
6:18 pm - 5:40 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
23h 22m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:35 pm - 4:10 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
21h 35m1 stop Atlanta Hartsfield-Jackson
$129Frontier
Thu, Oct 22 - Mon, Oct 26
Frontier Logo
6:18 pm - 5:40 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
23h 22m1 stop Atlanta Hartsfield-Jackson
Frontier Logo
6:35 pm - 4:13 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
21h 38m1 stop Atlanta Hartsfield-Jackson
$131Frontier
Wed, Oct 14 - Fri, Oct 16
Multiple Airlines Logo
7:00 am - 5:40 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
10h 40m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:35 pm - 5:22 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
22h 47m1 stop Atlanta Hartsfield-Jackson
$214Multiple Airlines
Wed, Oct 14 - Fri, Oct 16
Multiple Airlines Logo
7:00 am - 5:40 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
10h 40m2 stops Tampa Atlanta Hartsfield-Jackson
Multiple Airlines Logo
6:35 pm - 5:22 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
22h 47m1 stop Atlanta Hartsfield-Jackson
$226Multiple Airlines
Wed, Oct 14 - Fri, Oct 16
Southwest Logo
1:25 pm - 3:10 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
1h 45mnonstop
Southwest Logo
9:50 pm - 11:35 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
1h 45mnonstop
$289Southwest
Wed, Oct 14 - Fri, Oct 16
Southwest Logo
7:25 am - 1:05 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
5h 40m1 stop Dallas Love Field
Southwest Logo
9:50 pm - 11:35 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
1h 45mnonstop
$292Southwest
Fri, Oct 9 - Tue, Oct 13
American Airlines Logo
12:38 pm - 7:48 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
7h 10m1 stop Dallas/Fort Worth
American Airlines Logo
7:10 pm - 11:27 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
4h 17m1 stop Dallas/Fort Worth
$305American Airlines
Thu, Dec 24 - Tue, Dec 29
Delta Logo
10:14 am - 6:19 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
8h 05m1 stop Atlanta Hartsfield-Jackson
Delta Logo
7:15 pm - 11:24 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
4h 09m1 stop Atlanta Hartsfield-Jackson
$313Delta
Thu, Dec 24 - Fri, Dec 25
Delta Logo
8:17 am - 4:04 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
7h 47m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:49 pm - 10:08 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
5h 19m1 stop Atlanta Hartsfield-Jackson
$326Delta
Wed, Oct 7 - Fri, Oct 9
American Airlines Logo
12:38 pm - 7:48 pmMSY  New Orleans Louis Armstrong-STL Lambert-St Louis
7h 10m1 stop Dallas/Fort Worth
American Airlines Logo
7:10 pm - 11:27 pmSTL  Lambert-St Louis-MSY New Orleans Louis Armstrong
4h 17m1 stop Dallas/Fort Worth
$348American Airlines
Booking Insights

Price, demand and travel trends for New Orleans to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from New Orleans to St. Louis with more confidence.

How much is a round-trip flight from New Orleans to St. Louis?

Round-trip flights from New Orleans to St. Louis start at $129. Prices are below average for this route right now, with typical round-trip fares ranging from $350 to $490. The lowest price found in the past 5 days was $129 on Frontier.

What's the cheapest day of the week to fly from New Orleans to St. Louis?

Wednesday is the cheapest day of the week to fly from New Orleans to St. Louis, it is 15% cheaper than the average day. Sunday is the most expensive day with flight prices 68% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from New Orleans to St. Louis?

  • February is the cheapest month to fly from New Orleans to St. Louis at $301 round-trip.
  • August ($537) and May ($534) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 78% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Expert advice

Expert advice for your flight from New Orleans to St. Louis

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Daniel Scheffler

Daniel Scheffler

Expert on MSY

Daniel Scheffler is a travel writer, podcaster, and producer. Born in Africa, bred in Europe and now living in America he has traveled to 140 countries (and all 50 U.S. states). Plus he has stayed at over 2500 hotels across the globe. His original shows Everywhere and Without Maps (available on Spotify) showcase his beliefs, travel is about humanity and sharing that beauty. And thus it reminds you that you shouldn’t believe everything you think.

Yulia Denisyuk

Yulia Denisyuk

Expert on STL

Yulia is a freelance journalist who’s dispatched from 90+ countries. Her work focuses on cultures, adventure trips and air travel, appearing in NatGeo, NYT, CNTraveler, and more. For past assignments, she’s stayed with nomads in Mongolia and learned the art of Imigongo in Rwanda. She’s based in Chicago; in winter she often questions that decision.

Key details for New Orleans to St. Louis flights

Low season

March

Cheapest flight

$66
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 3% lower on average.
Flight from New Orleans to St. Louis

When to book flights from New Orleans to St. Louis

Are your dates flexible? Find out the best times to travel from New Orleans to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your New Orleans to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on New Orleans to St. Louis flights?

    Among airlines operating New Orleans to St. Louis flights:

    • Southwest: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from New Orleans to St. Louis?

    Only Southwest operates flights between New Orleans and St. Louis.

  • Which airports can I use when flying from New Orleans to St. Louis?

    Flights from New Orleans to St. Louis usually depart from New Orleans Louis Armstrong (MSY) and arrive at Lambert-St Louis (STL).

  • Which airlines include bags at no extra cost on New Orleans to St. Louis flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Southwest: a cabin bag in Economy Class class
    • JetBlue: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from New Orleans to St. Louis?

    Two cabin classes are available on flights from New Orleans to St. Louis:

    • Economy Class
    • First Class

  • How much can I save by taking a layover when flying from New Orleans to St. Louis?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $165 round-trip via Denver Intl (DEN), compared to $395 for nonstop.

  • What is the standard checked-bag allowance on flights from New Orleans to St. Louis?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $45–$90 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from New Orleans to St. Louis?

    The Boeing 737-800 Passenger/BBJ2 (winglets) family is used most often on this route, operated mainly by Southwest. Other aircraft seen on the route include Boeing 737 MAX 8 variants.

  • Which airports do connecting flights from New Orleans to St. Louis pass through?

    One-stop flights from New Orleans to St. Louis most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 32% of one-stop connections
    • Dallas/Fort Worth (DFW) - 29% of one-stop connections
    • Orlando (MCO) - 11% of one-stop connections
    • Denver Intl (DEN) - 7% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from New Orleans to St. Louis?

    Yes. Being flexible with your travel dates can save you up to 50% on the New Orleans to St. Louis route. Wednesday is the cheapest departure day at $333 round-trip on average, while Sunday is the most expensive at $654, a difference of $321. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How are flight departures from New Orleans to St. Louis spread across the day?

    Morning is the busiest departure period on New Orleans to St. Louis flights, with 50% of flights leaving in that window. Evening departures account for 50%, afternoon flights for 0%, and night flights for 0%.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

  • What are the earliest and latest flights from New Orleans to St. Louis?

    These are the earliest and latest flight times available from New Orleans to St. Louis:

    • Earliest: departs at 7:10 am and lands at 8:57 am
    • Latest: departs at 7:15 pm and lands at 9:02 pm.

    The flight takes about 1h 47m.

  • How long is a flight from New Orleans to St. Louis?

    A nonstop flight from New Orleans to St. Louis takes 1h 47m, covering 605 miles.

  • Do I need a passport to fly from New Orleans to St. Louis?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from New Orleans to St. Louis looking right now?

    One-way fares from New Orleans to St. Louis are currently lower than usual. Average one-way flight prices are about $148, which is 42% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from New Orleans to St. Louis?

    Flying via Chicago Midway (MDW) gives the shortest average 1-stop total travel time at 4h 32m, compared with 4h 33m via Atlanta Hartsfield-Jackson (ATL) and 4h 40m via Dallas/Fort Worth (DFW).

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a New Orleans to St. Louis flight?

    Round-trip flights from New Orleans to St. Louis range from $350 to $490, with an average of $388 over the past 12 months. Anything below $350 counts as a good deal.

  • Which airlines offer Wi-Fi on New Orleans to St. Louis flights?

    JetBlue is the only airline on the New Orleans to St. Louis route offering in-flight Wi-Fi. Pricing depends on fare class.

Your guide to booking New Orleans to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $333 - about $321 less than Sunday (49% savings) based on the last 12 months.
  • If you can choose when to travel, plan your New Orleans to St. Louis trip for February. Fares historically average $301 round-trip in that month - typically $236 less than the most expensive month, which is August (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Denver Intl Airport (DEN) can be cheaper than flying direct. The cheapest layover option averages $165 round-trip on this route - about $230 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

Prefer to fly direct from New Orleans to St. Louis?

 
Find which airlines fly direct from New Orleans Louis Armstrong Airport to Lambert-St Louis Airport, which days they fly and book direct flights.

Direct departures

New Orleans Louis Armstrong to Lambert-St Louis

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

Direct returns

Lambert-St Louis to New Orleans Louis Armstrong

Monday

Southwest

Southwest

Tuesday

Southwest

Southwest

Wednesday

Southwest

Southwest

Thursday

Southwest

Southwest

Friday

Southwest

Southwest

Saturday

Southwest

Southwest

Sunday

Southwest

Southwest

See more direct flights

More options for your flight from New Orleans to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental