Cheap flights from New York State to St. Louis from $147

In general, October is the cheapest month to fly from State of New York to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $380. The month of January is another great option to travel to St. Louis, with average flight prices from State of New York averaging around $383.

The cheapest day to depart on your flight to St. Louis is on a Thursday when prices can be found for as low as $393. 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 Monday because tickets tend to average around $505. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

Flying to St. Louis from State of New York in the evening is the least expensive time of day to depart. momondo users have found prices as low as $410 when looking at flights departing in the evening. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $446 per ticket.

Fly from New York LaGuardia to Lambert-St Louis for the best New York - Lambert-St Louis flight prices

There are 4 cabin classes available to choose from on State of New York to St. Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 9% on your flight if you consider stops on a State of New York to St. Louis flight.

Delta, Frontier, and United Airlines are the most popular carriers operating from New York to Lambert-St Louis

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to St. Louis from State of New York according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 5 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.

The number of flights available between State of New York and St. Louis is 7 per day as of September 2026. The most frequent departure time is 7:00PM, with 35% of daily flights leaving at noon.

51 flights are operational weekly from State of New York to St. Louis as of September 2026. The most popular departure day for this route is Mon, with 27% of flights per week taking off on this day.