Cheap flights from St. Louis to New York from $86

The cheapest month to fly to New York from St. Louis is in September. Flight prices, which tend to average around $73, are often lower during this time because this is during the off-season. The month of August is another great option to travel to New York, with average flight prices from St. Louis averaging around $73.

The cheapest day to depart from St. Louis to New York is on a Wednesday when prices can be found for as low as $374. On the other hand, Sunday is the most expensive day to depart from St. Louis because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $472.

Our most recent data shows that the best time of day to fly to New York is at noon. Flights from St. Louis to New York during this time can be as low as $349. Flights to New York are more costly in the afternoon, with an average ticket price of $474. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to New York from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to New York for around $344 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York from St. Louis for as low as $211 on momondo.

You could potentially save up to 36% on your flight if you consider stops on a St. Louis to New York flight.

As of May 2026, prices for St. Louis to New York flights are approximately 8% cheaper when compared to flights at the same time last year.

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

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to New York from St. Louis according to our data. American Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to New York. Keep in mind that there are 6 different airlines that fly to New York on a routine basis, so you have a few additional options to choose from.

Detroit (DTW) was the most common stop: 31% of momondo users choosing 1-stop flights on this route connected there.

Flights via Detroit (DTW) offer the lowest average round-trip price of $147.

Flights connecting via Atlanta (ATL) have the shortest average one-way travel time: 4h 33m.

Atlanta (ATL) has the shortest average layover time for this route: 1h 04m.

The number of flights available between St. Louis and New York is 18 per day as of May 2026. The most frequent departure time is 11:00AM, with 53% of daily flights leaving at noon.

130 flights are operational weekly from St. Louis to New York as of May 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.