Cheap flights from Islip, New York to St. Louis

Round-trip
1 adult
Economy
From?
To?
Sat 10/23
Sat 10/30

Travel Restriction Alert

The COVID-19 (coronavirus) outbreak may impact travel from Islip Long Island to St. Louis.
View current United States travel restrictions

Flight information for Islip, New York to St. Louis
(ISP to STL)

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to St. Louis
Best Price Found$197The best flight deal from Islip, New York to St. Louis found on momondo in the last 72 hours is $197
Fastest flight time4h 02mThe fastest flight from Islip, New York to St. Louis takes 4h 02m
Direct flightsNoneThere are no direct flights from Islip, New York to St. Louis. Popular non-direct route for this connection is Islip Long Island Airport - Lambert-St Louis Airport.
Airports in St. Louis1 airportThere is 1 airport near St. Louis: Lambert-St Louis (STL)

How to get the cheapest flight ticket from Islip, New York to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart Islip, New York for St. Louis?

Thursday

The cheapest day of the week is typically Thursday. The most expensive is typically Saturday

When is the cheapest time to fly from Islip, New York to St. Louis?

in the morning

Islip, New York to St. Louis flights are approximately 7% more expensive at noon than in the morning

What is the cheapest airline that flies to St. Louis from Islip, New York?

Frontier

American Airlines and Frontier are the most popular carriers operating from Islip, New York to St. Louis

What is the cheapest Islip, New York to St. Louis flight route?

Islip Long Island - Lambert-St Louis

Fly from Islip Long Island to Lambert-St Louis for the best Islip, New York - St. Louis flight prices


Easily compare round-trip flights from Islip, New York to St. Louis

Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Islip, New York to St. Louis by changing tabs
Frontier
Nov 4
ISP7:52 amIslip Long Island
9h 38m
1 stop
STL5:30 pmLambert-St Louis
Nov 8
STL10:28 amLambert-St Louis
8h 12m
1 stop
ISP6:40 pmIslip Long Island
Multiple Airlines
Nov 4
ISP2:30 amIslip Long Island
14h 08m
2 stops
STL4:38 pmLambert-St Louis
Nov 8
STL2:59 pmLambert-St Louis
23h 06m
2 stops
ISP2:05 pmIslip Long Island
American Airlines
Dec 13
ISP10:04 amIslip Long Island
19h 31m
1 stop
STL5:35 amLambert-St Louis
Dec 15
STL1:00 amLambert-St Louis
7h 39m
1 stop
ISP8:39 amIslip Long Island
Frontier
Nov 4
ISP7:52 amIslip Long Island
9h 38m
1 stop
STL5:30 pmLambert-St Louis
Nov 8
STL3:08 pmLambert-St Louis
13h 25m
2 stops
ISP4:33 amIslip Long Island
American Airlines
Dec 13
ISP10:04 amIslip Long Island
19h 31m
1 stop
STL5:35 amLambert-St Louis
Dec 15
STL1:29 pmLambert-St Louis
20h 53m
2 stops
ISP10:22 amIslip Long Island
American Airlines
Nov 5
ISP10:59 amIslip Long Island
19h 36m
1 stop
STL6:35 amLambert-St Louis
Nov 7
STL1:00 amLambert-St Louis
14h 17m
1 stop
ISP2:17 pmIslip Long Island

Find the cheapest one-way flights from Islip, New York to St. Louis

If you're looking for one-way flights from Islip, New York to St. Louis, view some of our deals below provided by American Airlines
American Airlines
Nov 5
ISP10:59 amIslip Long Island
19h 36m
1 stop
STL6:35 amLambert-St Louis
American Airlines
Nov 8
ISP9:59 amIslip Long Island
19h 36m
1 stop
STL5:35 amLambert-St Louis
American Airlines
Nov 5
ISP10:59 amIslip Long Island
20h 11m
2 stops
STL7:10 amLambert-St Louis

Best airlines flying from Islip, New York to St. Louis

Compare and see reviews for airlines that fly from Islip, New York to St. Louis with momondo
AirlineRatingFree CancellationPrice
Frontier
PriceFrom $186
Free Cancellation
Rating
6.2
6.6

Boarding

6.0

Comfort

7.1

Crew

4.8

Entertainment

5.1

Food

Reviews

Not enough leg space, don't like having to pay for a seat assignment or the perception that I have to, a lot of "nickel and dime" on everything, and didn't care for the pushing of credit card.

1 / 10
American Airlines
PriceFrom $213
Free Cancellation
Rating
7.2
7.4

Boarding

7.1

Comfort

7.8

Crew

7.1

Entertainment

6.8

Food

Reviews

Flight attendant for first class is definitely not a morning person. Oh and the WiFi DID NOT WORK!

1 / 10

  • Are airlines flying from Islip Long Island to Lambert-St Louis offering flexible cancellation due to COVID-19?

    Due to the global impact of COVID-19, some of our airline partners operating flights from Islip Long Island to Lambert-St Louis, such as Frontier and American Airlines may have put in place flexible cancellation policies. Use our site to search for all of the airlines offering this flexibility to you.

  • How far is Islip Long Island to Lambert-St Louis by plane?

    There are 912.8 mi between Islip Long Island and Lambert-St Louis. In terms of flight time, this usually takes a little over 4h 02m.


Can I fly to Lambert-St Louis from Islip Long Island right now?

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Islip Long Island need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Islip Long Island must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Islip Long Island are not required to quarantine after entering Lambert-St Louis.

Can I fly back to Islip Long Island from Lambert-St Louis?

Returning to Islip Long Island from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Islip Long Island.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Islip Long Island.

If you are planning to travel to St. Louis at this time, it is recommended that you stay up to date on current restrictions and follow proper safety measures while in public.

Alternative routes for Islip, New York to St. Louis

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
New York to Kansas City Flights
Fastest flight time3h 05m
Cheapest price$87
New York to St. Louis Flights
Fastest flight time2h 40m
Cheapest price$95
Syracuse to St. Louis Flights
Fastest flight time4h 59m
Cheapest price$149
Buffalo to St. Louis Flights
Fastest flight time3h 40m
Cheapest price$165
Rochester, New York to St. Louis Flights
Fastest flight time4h 52m
Cheapest price$173
Syracuse to Kansas City Flights
Fastest flight time5h 57m
Cheapest price$185
Rochester, New York to Kansas City Flights
Fastest flight time4h 45m
Cheapest price$195
Buffalo to Kansas City Flights
Fastest flight time4h 32m
Cheapest price$235
Albany, New York to Kansas City Flights
Fastest flight time5h 20m
Cheapest price$335

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