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Flights from Islip to Saint Louis – Airlines & connecting routes

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ISP to STL flights and routes map ISP to STL – All flight route options from Long Island Mac Arthur, New York, USA to Saint Louis Airport, Missouri, USA. These flights are operated by Cape Air & Southwest Airlines through 3 different flight connections. The shortest flight time is 5 hours and 55 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.

From
To
USA ISP Long Island Mac Arthur Islip, NY, USA
USA STL Saint Louis Airport, MO, USA
ISP
Long Island Mac Arthur
USAIslip, NY, USA
Saint Louis Airport
USASaint Louis, MO, USA
STL
No direct flights found
3 routes with 1 stop found »
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1 stop route options with the same airline:

Duration

Via Baltimore BWI
1 stop with Southwest Airlines. 1-3 flights per day.

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5h 55m

Via Baltimore BWI
1 stop with Southwest Airlines.
5h 55m
1-3 flights per day.
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Via Chicago MDW
1 stop with Southwest Airlines.
Begins in 2/10

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6h 10m

Begins in 2/10
Via Chicago MDW
1 stop with Southwest Airlines.
6h 10m
Begins in 2/10
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1 stop route options with codeshare or different airlines:

Duration

Via Boston BOS With Cape Air & American Airlines

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7h 11m

Via Boston BOS
7h 11m
With Cape Air & American Airlines
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Islip to Saint Louis flights

There are over 3 and approximately 18 flights every week. While flying to Saint Louis from Islip you will be doing a stopover in Baltimore, Chicago or any other of the 3 alternatives with flight connections.

Are there any non-stop flights from ISP to STL?

There are no direct or non-stop flights from Long Island Mac Arthur, ISP to Saint Louis Airport, STL.

Islip to Saint Louis with Southwest Airlines

If you choose to fly with Southwest Airlines from Islip to Saint Louis you can make a transit either via Baltimore or via Chicago. The route via Baltimore is 15 minutes faster.

Distance & flight times: Long Island Mac Arthur to Saint Louis Airport

The shortest flight time between ISP and STL is 5 hours and 55 minutes.

ViaTotal flight timeLayover timeDistance
BWI Baltimore5h 55m1h 0m959 miles (1543 km)
MDW Chicago6h 10m55m1019 miles (1640 km)
BOS Boston7h 11m2h 48m1202 miles (1934 km)
The flight times and layover times in the table above are approximate and may vary depending on flight number, aircraft, airline, weather, and time of day.ISP-STL flight routesIslip to Saint Louis flight routes illustrated on a map.
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Islip - Saint Louis route map and flight paths
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Show all destinations from ISP Show all destinations from STL

The fastest way to fly from Islip (ISP) to Saint Louis (STL) is via Baltimore and it will take about 5 hours and 55 minutes. The second fastest route is via Chicago and will take 6 hours and 10 minutes.

You can fly with Southwest Airlines, Cape Air or American Airlines from Islip to Saint Louis.

The flight time between Long Island Mac Arthur (ISP) and Saint Louis Airport (STL) via Baltimore Washington International, BWI is 5 hours and 55 minutes.

No. But you can still purchase a 1 stop flight via Baltimore, Chicago or any other route to Saint Louis (STL).

A codeshare agreement means that cooperating airlines are able to sell seats on each other’s flights. This means that you are able to travel to more destinations than your airline of choice normally offers. Codeshare flights are also beneficial because of the seamless transits you can get with connecting flights from the same airline. The downside of choosing a codeshare flight can be that you in some cases can’t upgrade codeshare flights or use elite benefits.

A connecting or transit flight means that you reach your final destination through two or more flights – in other words a non-direct flight. You will change to a new aircraft after your first flight, this may include moving to another terminal at the airport aswell. The time required to transfer passengers and luggage between flights is called Minimum Connecting Time (MCT) and are always taken into account here on Flightroutes.com.

If you bought your whole flight on a single ticket, the airline will book you on the next available connecting flight.

With connecting flights, checked in luggage is most commonly forwarded to your final destination when buying a single ticket for both flights.

If you miss your connecting flight due to circumstances outside your control such as your first flight being delayed, you should turn to your airline who will provide you with a seat on the next available flight. This is usually done free of charge, and only applies if you purchased your trip as one ticket. If the next connecting flight is the following day, the airline usually provides accommodation and meals.
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