Cheap flights from St Louis to Islip (STL - ISP)

Flight FAQs

From St Louis to Islip

How popular is this flight route?

The Lambert-St Louis to Islip Long Island flight path was viewed by 26 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What percent of flights are delayed?

Based on our current data flights from St Louis to Islip are usually on time.

How many passenger seats are available on a flight on this route?

Expect 110,166,615 seats to be available on average per day for flights from Lambert-St Louis to Islip Long Island.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for Southwest Airlines Co., as currently they have the cheapest options available from St Louis to Islip. On average you can find 133 flights for this flight path daily.

Does it rain more in St Louis or Islip?

St Louis will have less rainfall in 2 compared to Islip over the next 15 days.

Is St Louis weather warmer or cooler than Islip?

With an average temperature of 90 °F, peak weather can be found in July. As a traveler, expect to see changes in flight prices during that period. The temperatures in Islip are colder than in St Louis.