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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$119 CHEAP FLIGHTS from Missouri to Islip

ISP

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Flights Deals

Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Missouri to Islip

KAYAK's recommended round-trip deals from the most popular airlines that fly from Missouri to Islip.

Discover the best prices for you by selecting your travel dates on KAYAK.

5:45 pm - 10:41 amSTL-ISP

15h 56m1 stop

6:48 pm - 12:06 amISP-STL

6h 18m1 stop

$200Frontier

Find Deal

Mon, May 12 - Sun, May 18

5:45 pm - 10:12 amSTL-ISP

15h 27m1 stop

6:48 pm - 12:06 amISP-STL

6h 18m1 stop

$208Frontier

Find Deal

Thu, May 15 - Mon, May 19

5:05 pm - 12:05 amSTL-ISP

6h 00m1 stop

11:40 am - 8:10 pmISP-STL

9h 30m1 stop

$227Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

3:35 pm - 12:05 amSTL-ISP

7h 30m2 stops

11:40 am - 8:10 pmISP-STL

9h 30m1 stop

$232Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

3:35 pm - 12:05 amSTL-ISP

7h 30m2 stops

6:00 am - 1:25 pmISP-STL

8h 25m2 stops

$292Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

5:05 pm - 12:05 amSTL-ISP

6h 00m1 stop

6:00 pm - 12:25 amISP-STL

7h 25m1 stop

$299Southwest

Find Deal

Fri, Jul 25 - Sun, Jul 27

5:45 pm - 8:21 pmSTL-ISP

25h 36m1 stop

8:21 pm - 11:44 pmISP-STL

28h 23m1 stop

$301Frontier

Find Deal

Fri, May 23 - Tue, May 27

6:00 pm - 12:05 amMCI-ISP

5h 05m1 stop

6:00 am - 2:25 pmISP-MCI

9h 25m2 stops

$324Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

4:00 pm - 12:05 amMCI-ISP

7h 05m2 stops

6:00 am - 2:25 pmISP-MCI

9h 25m2 stops

$329Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

6:00 pm - 12:05 amMCI-ISP

5h 05m1 stop

6:00 am - 9:35 amISP-MCI

4h 35m1 stop

$344Southwest

Find Deal

Thu, Jun 12 - Sat, Jun 14

Useful Info

Low season	January
High season	July
Cheapest flight	$119

Best time to beat the crowds with an average 5% drop in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from St. Louis 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.

Everything you need to know for your flight to Islip

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Islip

Islip (ISP)

ISP

$119 Find Cheap Flights from Missouri to Islip

KAYAK searches hundreds of travel sites at once for deals on flights to Islip

Cheap Flight Deals from Missouri to Islip

Recent round-trip flight deals from Missouri to Islip

Recent one-way flight deals from Missouri to Islip

Recent last minute flight deals from Missouri to Islip

Good to know

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.

Everything you need to know for your flight to Islip

Information on the airport you'll fly into in Islip

Cabin class types available on flights to Missouri

Complete your trip to Islip with a hotel stay or car rental

Find direct flights for Islip

Flights to other popular destinations

Flights from domestic origins to Islip

Choose which airport to fly into in Islip

Find deals for your return flight