FFL Helper / New Orleans / St Louis

MSY → STL

New Orleans to St Louis

Compare one-way fares for flights from New Orleans to St Louis.

Lowest fare $138

Distance 600 mi

Flight time 18h 15m

Airports MSY–STL

Search this route

Ad. Ticket links are affiliate ads. We may earn a commission if you book. Advertising disclosure

By month: September 2026 from $138

Price calendar

August 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

September 2026

From $138

Mon

Tue

Wed

Thu

Fri

Sat

Sun

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18 $138

19

20

21

22

23

24

25

26

27

28

29

30

Upcoming dates

St Louis STL

$138

Sep 18, 5:17pm · 18h 15m · 2 stops

MSY → STL · Frontier Airlines

Tickets

About this route

This calendar shows dated one-way fares from New Orleans to St Louis. Use it to see which days are cheaper before you search tickets.

Flight time and airport codes on this page are for the sample itinerary we have on file. Always confirm the live routing when you book New Orleans to St Louis.