Cheap flights from St. Louis to New York from $151

The cheapest month to fly to New York LaGuardia Airport from St. Louis is in July. Flight prices, which tend to average around $319, are often lower during this time because this is during the off-season. If you don’t want to visit New York LaGuardia Airport in July, then you should wait until September to fly from St. Louis, when ticket prices are also cheap, with an average price of $321.

The cheapest day to depart on your flight to New York LaGuardia Airport is on a Wednesday when prices can be found for as low as $317. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to New York LaGuardia Airport on a Sunday will generally be more expensive and average around $398. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest St. Louis to New York LaGuardia Airport flights are usually those with departure times at noon. Our users have found flights to New York LaGuardia Airport at noon for as low as $355. Flights in the evening are often more expensive with an average ticket price of $401.

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

You are more likely to see cheaper flights to New York LaGuardia Airport from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to New York LaGuardia Airport for around $357 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to New York LaGuardia Airport from St. Louis for as low as $296 on momondo.

There are 4 cabin classes available to choose from on St. Louis to New York LaGuardia Airport 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 14% on your flight if you consider stops on a St. Louis to New York LaGuardia Airport flight.

As of June 2026, prices for St. Louis to New York LaGuardia Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

Southwest and Delta are the most popular carriers operating from Lambert-St Louis to New York LaGuardia

American Airlines, Delta and Southwest are the top three most popular airlines that fly to New York LaGuardia Airport from St. Louis according to our data. American Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to New York LaGuardia Airport. Keep in mind that there are 4 different airlines that fly to New York LaGuardia Airport on a routine basis, so you have a few additional options to choose from.

6 flights are operational daily from St. Louis to New York LaGuardia Airport as of June 2026. The most popular departure time for this route is 6:00AM, with 59% of flights per day taking off at noon.

The number of flights available between St. Louis and New York LaGuardia Airport is 47 per week as of June 2026. The most frequent departure day is Thu, with 32% of weekly flights leaving on this day.