ISP

$161 Find Cheap Flights from Missouri to Islip

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Islip departing on 4/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Flight Deals

Cheap Flights from Missouri to Islip

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Missouri to Islip that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Missouri to Islip

Fri, Apr 3 - Tue, Apr 7
Frontier Logo
8:23 am - 5:55 pm
STL
-
ISP
8h 32m
1 stop
Frontier Logo
5:43 pm - 11:25 pm
ISP
-
STL
6h 42m
1 stop
$236Frontier
Fri, Apr 3 - Wed, Apr 8
Frontier Logo
8:23 am - 5:55 pm
STL
-
ISP
8h 32m
1 stop
Frontier Logo
5:28 pm - 11:25 pm
ISP
-
STL
6h 57m
1 stop
$315Frontier
Fri, May 1 - Fri, May 8
Southwest Logo
5:00 am - 4:30 pm
STL
-
ISP
10h 30m
1 stop
Southwest Logo
5:10 pm - 11:40 pm
ISP
-
STL
7h 30m
1 stop
$318Southwest
Fri, May 1 - Fri, May 8
Southwest Logo
2:25 pm - 11:30 pm
STL
-
ISP
8h 05m
2 stops
Southwest Logo
4:30 pm - 11:15 pm
ISP
-
STL
7h 45m
2 stops
$323Southwest
Fri, Apr 3 - Sun, Apr 5
Frontier Logo
8:23 am - 5:55 pm
STL
-
ISP
8h 32m
1 stop
Frontier Logo
7:59 pm - 7:51 am
ISP
-
STL
12h 52m
1 stop
$325Frontier
Fri, Apr 3 - Sun, Apr 5
Frontier Logo
8:23 am - 5:55 pm
STL
-
ISP
8h 32m
1 stop
Frontier Logo
7:59 pm - 7:51 am
ISP
-
STL
12h 52m
1 stop
$335Frontier
Fri, Apr 3 - Sat, Apr 4
Frontier Logo
8:23 am - 5:55 pm
STL
-
ISP
8h 32m
1 stop
Frontier Logo
11:15 am - 11:25 pm
ISP
-
STL
13h 10m
1 stop
$395Frontier
Mon, Mar 30 - Fri, Apr 3
Southwest Logo
4:45 pm - 11:55 pm
STL
-
ISP
6h 10m
1 stop
Southwest Logo
2:00 pm - 5:50 pm
ISP
-
STL
4h 50m
1 stop
$477Southwest
Mon, Mar 30 - Fri, Apr 3
Southwest Logo
4:25 pm - 11:55 pm
STL
-
ISP
6h 30m
2 stops
Southwest Logo
2:00 pm - 5:50 pm
ISP
-
STL
4h 50m
1 stop
$482Southwest
Mon, Mar 30 - Fri, Apr 3
Southwest Logo
4:55 pm - 11:55 pm
STL
-
ISP
6h 00m
2 stops
Southwest Logo
5:55 pm - 12:05 am
ISP
-
STL
7h 10m
2 stops
$503Southwest
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$161
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 5% increase in price.
Flight from St. Louis to Islip

FAQs for booking flights from Missouri to Islip

  • How does KAYAK find such low prices on flights from Missouri to Islip?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Missouri to Islip.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Missouri to Islip?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Islip from Missouri is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Missouri to Islip?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Islip with an airline and back to Missouri with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Missouri to Islip?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Islip from Missouri up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Amagansett

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Islip (ISP)