Compare and book Southwest flights to St. Louis on momondo

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Recent Southwest flights to St. Louis found by users

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5:00 am - 8:05 amDEN-STL

2h 05mnonstop

7:40 am - 9:05 amSTL-DEN

2h 25mnonstop

$197Southwest

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Sat, Dec 13 - Mon, Dec 15

5:00 am - 8:05 amDEN-STL

2h 05mnonstop

5:00 pm - 9:35 pmSTL-DEN

5h 35m1 stop

$207Southwest

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Sat, Dec 13 - Mon, Dec 15

5:00 am - 8:05 amDEN-STL

2h 05mnonstop

5:30 am - 6:50 amSTL-DEN

2h 20mnonstop

$227Southwest

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Sat, Dec 6 - Sun, Dec 7

8:30 pm - 11:30 pmDEN-STL

2h 00mnonstop

5:30 am - 6:50 amSTL-DEN

2h 20mnonstop

$237Southwest

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Fri, Dec 12 - Sun, Dec 14

6:10 am - 9:20 amDEN-STL

2h 10mnonstop

5:30 am - 6:50 amSTL-DEN

2h 20mnonstop

$257Southwest

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Fri, Dec 5 - Sun, Dec 7

8:00 am - 2:40 pmDEN-STL

5h 40m1 stop

5:30 am - 6:50 amSTL-DEN

2h 20mnonstop

$267Southwest

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Thu, Dec 4 - Sun, Dec 7

10:15 am - 5:15 pmDEN-STL

6h 00m1 stop

5:35 am - 7:00 amSTL-DEN

2h 25mnonstop

$277Southwest

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Tue, Dec 16 - Wed, Dec 17

6:05 am - 11:25 amLGA-STL

6h 20m1 stop

8:05 pm - 11:20 pmSTL-LGA

2h 15mnonstop

$286Southwest

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Mon, Dec 15 - Wed, Dec 17

7:15 am - 3:35 pmLGA-STL

9h 20m1 stop

8:05 pm - 11:20 pmSTL-LGA

2h 15mnonstop

$297Southwest

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Sat, Dec 13 - Mon, Dec 15

6:15 am - 8:05 amLGA-STL

2h 50mnonstop

8:05 pm - 11:20 pmSTL-LGA

2h 15mnonstop

$302Southwest

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Thu, Dec 11 - Sun, Dec 14

Southwest flights to St. Louis at a glance

Fastest flight time	2h 00m
Direct flights	Every day
Airports in St. Louis	1 airport

The fastest flight from United States to St. Louis takes 2h 00m

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Direct flights go from United States to St. Louis every day.

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There is 1 airport near St. Louis: Lambert-St Louis (STL)

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Insights on Southwest flights to St. Louis

Data designed to help you find the right flight

What is the cheapest day to depart on your Economy Class flight to St. Louis?

The cheapest day to depart from United States to St. Louis is on a Thursday when prices can be found for as low as $176. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average Economy Class ticket price to St. Louis on a Sunday is $256.

What is the cheapest month to fly Economy Class to St. Louis?

In general, October is the cheapest month to fly Economy Class from United States to St. Louis. Due to it being the ‘off-season’ during this time, you can expect Economy Class flight prices to be around $365. If you aren’t able to travel during the month of October, then book Economy Class flights to St. Louis from United States during September instead. Economy Class flights to St. Louis in September, while not as cheap as those in October, still average around $366.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $413 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from United States for as low as $326 on momondo.

Can stopping save me money on United States to St. Louis flights?

No. A direct flight is the cheapest option for a flight between United States to St. Louis.

Frequently asked questions about flights to St. Louis with Southwest

Is Southwest generally cheaper than other airlines for flights to St. Louis?

Lots of factors influence the price of a flight, whether that's with Southwest or other airlines so it is best to search and compare before booking. The airline flying to St. Louis with the cheapest average return price tends to be Frontier.

Which other airlines fly to St. Louis?

Aside from Southwest, Delta, Frontier and Spirit Airlines also fly to St. Louis.

How much is a flight to St. Louis with Southwest?

The average price for a one-way flight is $253.

Which airport do Southwest flights arrive at for St. Louis?

Flights from Southwest on this route tend to land in Lambert-St Louis Airport.

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Recent Southwest flights to St. Louis found by users

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Southwest flights to St. Louis at a glance

Fastest flight time

Direct flights

Airports in St. Louis

Insights on Southwest flights to St. Louis

Data designed to help you find the right flight

What is the cheapest day to depart on your Economy Class flight to St. Louis?

What is the cheapest month to fly Economy Class to St. Louis?

How far in advance should I book a flight to St. Louis?

Can stopping save me money on United States to St. Louis flights?

No. A direct flight is the cheapest option for a flight between United States to St. Louis.

Frequently asked questions about flights to St. Louis with Southwest

Is Southwest generally cheaper than other airlines for flights to St. Louis?

Which other airlines fly to St. Louis?

How much is a flight to St. Louis with Southwest?

Which airport do Southwest flights arrive at for St. Louis?

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