Flights from Islip Airport (ISP) to St. Louis Lambert Airport Airport (STL)
Direct flights to Lambert-St. Louis International from Long Island Mac Arthur are only offered by Allegiant Air as this route is in low demand, so the options are limited. If this route is not ideal, the only other option is to get a flight with a stop over. The official airport code for Long Island Mac Arthur is ISP and for Lambert-St. Louis International it is STL.
The cost of the flights varies significantly so we can’t provide you an estimate. Prices can be 50% cheaper if you book more than a month in advance. If you know the dates you wish to travel then book you flights as soon as you can. The earlier you book your lights the cheaper they will be. You can get saving of up to 50% of you book 2 or 3 months in advance! Flight to Lambert-St. Louis International will get more expensive the nearer you get the departure date, so it’s advisable to book in advance if it is possible.
On arriving at Lambert-St. Louis International please note the time difference, the time zone at Lambert-St. Louis International is 6.0 GMT compared to 5.0 GMT at Long Island Mac Arthur.
If you chose to rent a car at Lambert-St. Louis International Airport (STL) and need to return it, find the nearest fuel station along your route to Lambert-St. Louis International Airport (STL) in order to avoid incurring additional cost when you return your vehicle.
Ensure your arrival at Lambert-St. Louis International Airport (STL) is as smooth as possible by pre-booking your transport - which in many cases will also save you money:
- Car rental at Lambert-St. Louis International Airport (STL)
- Private transfers at Lambert-St. Louis International Airport (STL)
- Buses from Lambert-St. Louis International Airport (STL)
- Taxis from Lambert-St. Louis International Airport (STL)
- Train services at or near Lambert-St. Louis International Airport (STL)
Find hotels close to Lambert-St. Louis International Airport (STL) many hotels offer airport transfers directly from the airport to your hotel.
To see all airliners that offer flights between Long Island Mac Arthur and Lambert-St. Louis International please see the table below.

Airliner | Mo | Tu | We | Th | Fr | Sa | Su | First Flight | Last Flight | Flights |
---|---|---|---|---|---|---|---|---|---|---|
Allegiant Air | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 14:00 | 14:00 | VIEW FLIGHTS |
Allegiant Air is the most popular airliners who operate this route. They have around 1 a week with times that vary between 14:00 and 14:00.
Would you like to book your flight? Bookings can be made direct with Allegiant Air on their website www.allegiantair.com/.
The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Day | Flight Times | Flights | ||||
---|---|---|---|---|---|---|
Friday | 14:00
| VIEW FLIGHTS |
If the airlines stated don’t offer flights that suite your travel times, you could look at alternative options. Below we have summarised flights from alternative departures airports and flights that are not direct.

Route | Stops | Distance | Flying Time |
---|---|---|---|
Bedford Hanscom to St Louis Lambert | 0 | 2 Hours 46 Minutes | |
Boston to St Louis Lambert | 0 | 2 Hours 47 Minutes | |
Newark to St Louis Lambert | 0 | 2 Hours 27 Minutes | |
White Plains to St Louis Lambert | 0 | 2 Hours 30 Minutes | |
New York John F Kennedy to St Louis Lambert | 0 | 2 Hours 30 Minutes | |
New York La Guardia to St Louis Lambert | 0 | 2 Hours 29 Minutes | |
Morristown Municipal to St Louis Lambert | 0 | 2 Hours 26 Minutes | |
Philadelphia to St Louis Lambert | 0 | 2 Hours 21 Minutes | |
Teterboro to St Louis Lambert | 0 | 2 Hours 28 Minutes |
Before you start your journey remember to check you have all your documents; in particular, your passport and flight tickets. You will be surprised at the amount of people of forget these!
Don't forget to book your car rental!
Find a cheap rental car in St. Louis Missouri, United States
Compare Flight Prices from ISP to STL

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Other Airports Connecting To St. Louis Lambert Airport in united states
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Don't forget to book your hire car!
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