$184 Cheap United flights New Orleans (MSY) to St. Louis (STL)

View $184 flight on Mon, Jan 26, 2026Opens in a new window

$184 Cheap United flights New Orleans (MSY) to St. Louis (STL)

Prices were available within the past 7 days and start at $184 for one-way flights and $378 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jan 25 - Mon, Jan 26
MSY
New Orleans
STL
St. Louis
$378 Roundtrip, found 9 hours ago
$378
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jan 25 from New Orleans to St. Louis, returning Mon, Jan 26, priced at $378 found 9 hours ago
United
Sun, Jan 25 - Mon, Jan 26
MSY
New Orleans
STL
St. Louis
$382 Roundtrip, found 9 hours ago
$382
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jan 25 from New Orleans to St. Louis, returning Mon, Jan 26, priced at $382 found 9 hours ago
United
Sun, Jan 25 - Mon, Jan 26
MSY
New Orleans
STL
St. Louis
$387 Roundtrip, found 9 hours ago
$387
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jan 25 from New Orleans to St. Louis, returning Mon, Jan 26, priced at $387 found 9 hours ago
United
Sun, Jan 25 - Mon, Jan 26
MSY
New Orleans
STL
St. Louis
$399 Roundtrip, found 9 hours ago
$399
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jan 25 from New Orleans to St. Louis, returning Mon, Jan 26, priced at $399 found 9 hours ago
United
Sun, Jan 25 - Tue, Feb 3
MSY
New Orleans
STL
St. Louis
$399 Roundtrip, found 1 day ago
$399
Roundtrip
found 1 day ago
Select United flight, departing Sun, Jan 25 from New Orleans to St. Louis, returning Tue, Feb 3, priced at $399 found 1 day ago
United
Sun, Jan 25 - Mon, Jan 26
MSY
New Orleans
STL
St. Louis
$403 Roundtrip, found 9 hours ago
$403
Roundtrip
found 9 hours ago
Select United flight, departing Sun, Jan 25 from New Orleans to St. Louis, returning Mon, Jan 26, priced at $403 found 9 hours ago

Find the cheapest month to fly from New Orleans (MSY) to St. Louis (STL)

December is typically the cheapest month to fly

From $139 - $815 per traveler.

Alternative airports near St. Louis

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $154
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $154
Flights from New Orleans (MSY) to St. Louis (STL)
Origin airport
Louis Armstrong New Orleans Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, Southwest Airlines, United
Popular airline
Delta
Distance
968 km
Average flight time
1 hour 50 mins