When did momondo last update prices for flights from Islip Long Island Airport to Missouri?

Prices for flights from Islip Long Island Airport to Missouri were last updated today.

How many operators does momondo search for flights from Islip Long Island Airport to Missouri?

As of October 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Missouri.

How old do you have to be to fly from Islip Long Island Airport to Missouri?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Missouri.

What documentation or ID do you need to fly to Missouri?

The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$171 Cheap Flights from Islip, New York to Missouri in 2026/27

Find the cheapest flights from Islip, New York to Missouri

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 am - 10:05 amISP Islip Long Island-MCI Kansas City

5h 05m1 stop Baltimore/Washington

11:50 am - 5:20 pmMCI Kansas City-ISP Islip Long Island

4h 30m1 stop Baltimore/Washington

$306Southwest

Thu, Oct 29 - Sat, Oct 31

6:00 am - 10:05 amISP Islip Long Island-MCI Kansas City

5h 05m1 stop Baltimore/Washington

6:20 am - 5:20 pmMCI Kansas City-ISP Islip Long Island

10h 00m2 stops Lambert-St Louis Baltimore/Washington

$312Southwest

Thu, Oct 29 - Sat, Oct 31

6:00 am - 1:15 pmISP Islip Long Island-MCI Kansas City

8h 15m2 stops Baltimore/Washington Chicago Midway

6:20 am - 5:20 pmMCI Kansas City-ISP Islip Long Island

10h 00m2 stops Lambert-St Louis Baltimore/Washington

$317Southwest

Thu, Oct 29 - Sat, Oct 31

5:40 pm - 12:30 amISP Islip Long Island-MCI Kansas City

7h 50m1 stop Baltimore/Washington

10:45 am - 5:00 pmMCI Kansas City-ISP Islip Long Island

5h 15m1 stop Baltimore/Washington

$324Southwest

Mon, Oct 26 - Thu, Oct 29

5:40 pm - 12:30 amISP Islip Long Island-MCI Kansas City

7h 50m1 stop Baltimore/Washington

10:15 am - 5:00 pmMCI Kansas City-ISP Islip Long Island

5h 45m2 stops Milwaukee-Mitchell Baltimore/Washington

$330Southwest

Mon, Oct 26 - Thu, Oct 29

9:40 am - 4:40 pmISP Islip Long Island-MCI Kansas City

8h 00m1 stop Baltimore/Washington

5:00 am - 11:45 amMCI Kansas City-ISP Islip Long Island

5h 45m1 stop Baltimore/Washington

$349Southwest

Wed, Oct 28 - Fri, Oct 30

12:50 pm - 4:40 pmISP Islip Long Island-MCI Kansas City

4h 50m1 stop Baltimore/Washington

2:50 pm - 11:40 pmMCI Kansas City-ISP Islip Long Island

7h 50m2 stops Dallas Love Field Baltimore/Washington

$354Southwest

Wed, Oct 28 - Fri, Oct 30

9:40 am - 4:50 pmISP Islip Long Island-MCI Kansas City

8h 10m2 stops Baltimore/Washington Atlanta Hartsfield-Jackson

3:35 pm - 11:40 pmMCI Kansas City-ISP Islip Long Island

7h 05m2 stops Nashville Intl Baltimore/Washington

$360Southwest

Wed, Oct 28 - Fri, Oct 30

4:20 pm - 10:30 pmISP Islip Long Island-STL Lambert-St Louis

7h 10m1 stop Baltimore/Washington

5:40 pm - 11:40 pmSTL Lambert-St Louis-ISP Islip Long Island

5h 00m1 stop Baltimore/Washington

$424Southwest

Wed, Oct 21 - Mon, Oct 26

4:40 pm - 1:21 pmISP Islip Long Island-STL Lambert-St Louis

21h 41m3 stops Orlando Nashville Intl Jonesboro

3:04 pm - 3:45 pmSTL Lambert-St Louis-ISP Islip Long Island

23h 41m2 stops Denver Intl Orlando

$1,420Multiple Airlines

Tue, Nov 24 - Sat, Nov 28

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Southwest flights from Islip, New York to Missouri

Our best Southwest deals on Islip, New York to Missouri flight tickets

Southwest

Oct 29

ISP6:00 amIslip Long Island

5h 05m

1 stop

MCI10:05 amKansas City

Oct 31

MCI11:50 amKansas City

4h 30m

1 stop

ISP5:20 pmIslip Long Island

$306

Southwest

Oct 29

ISP6:00 amIslip Long Island

5h 05m

1 stop

MCI10:05 amKansas City

Oct 31

MCI6:20 amKansas City

10h 00m

2 stops

ISP5:20 pmIslip Long Island

$312

Southwest

Oct 29

ISP6:00 amIslip Long Island

8h 15m

2 stops

MCI1:15 pmKansas City

Oct 31

MCI6:20 amKansas City

10h 00m

2 stops

ISP5:20 pmIslip Long Island

$317

momondo Fare Finder

Use the filters below to find and compare flights from Islip, New York to Missouri that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Thu 10/29

6:00 am-10:05 am

1 stop5h 05m

Kansas City

Sat 10/31

11:50 am-5:20 pm

1 stop4h 30m

$306

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Thu 10/29

6:00 am-10:05 am

1 stop5h 05m

Kansas City

Sat 10/31

6:20 am-5:20 pm

2 stops10h 00m

$312

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Thu 10/29

6:00 am-1:15 pm

2 stops8h 15m

Kansas City

Sat 10/31

6:20 am-5:20 pm

2 stops10h 00m

$317

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Mon 10/26

5:40 pm-12:30 am

1 stop7h 50m

Kansas City

Thu 10/29

10:45 am-5:00 pm

1 stop5h 15m

$324

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Mon 10/26

5:40 pm-12:30 am

1 stop7h 50m

Kansas City

Thu 10/29

10:15 am-5:00 pm

2 stops5h 45m

$330

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Wed 10/28

9:40 am-4:40 pm

1 stop8h 00m

Kansas City

Fri 10/30

5:00 am-11:45 am

1 stop5h 45m

$349

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Wed 10/28

12:50 pm-4:40 pm

1 stop4h 50m

Kansas City

Fri 10/30

2:50 pm-11:40 pm

2 stops7h 50m

$354

IslipKansas City

ISP Islip Long Island - MCI Kansas City

ISPMCI

Islip Long Island

Wed 10/28

9:40 am-4:50 pm

2 stops8h 10m

Kansas City

Fri 10/30

3:35 pm-11:40 pm

2 stops7h 05m

$360

IslipSt. Louis

ISP Islip Long Island - STL Lambert-St Louis

ISPSTL

Islip Long Island

Wed 10/21

4:20 pm-10:30 pm

1 stop7h 10m

Lambert-St Louis

Mon 10/26

5:40 pm-11:40 pm

1 stop5h 00m

$424

IslipSt. Louis

ISP Islip Long Island - STL Lambert-St Louis

ISPSTL

Islip Long Island

Tue 11/24

4:40 pm-1:21 pm

3 stops21h 41m

Lambert-St Louis

Sat 11/28

3:04 pm-3:45 pm

2 stops23h 41m

$1,420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first

How to get the cheapest flight ticket from Islip, New York to Missouri

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 airline that flies from Islip Long Island to Missouri?

Southwest and Frontier are the most popular carriers operating from Islip Long Island to Missouri

What airlines fly to Missouri?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Missouri from Islip, New York according to our data. United Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 5 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

Cheap Islip, New York to Missouri flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Missouri

Best Price Found	$171
Fastest flight time	5h 05m
Direct flights	None

The best one-way flight to Missouri from Islip, New York in the past 72 hours is $171. The best round-trip flight deal from Islip, New York to Missouri found on momondo in the last 72 hours is $306.

The fastest flight from Islip, New York to Missouri takes 5h 05m

There are no direct flights from Islip, New York to Missouri. There are no popular flight routes from Islip, New York to Missouri.

Search flight deals

Frequently asked questions about flying from Islip, New York to Missouri

When did momondo last update prices for flights from Islip Long Island Airport to Missouri?
Prices for flights from Islip Long Island Airport to Missouri were last updated today.
How many operators does momondo search for flights from Islip Long Island Airport to Missouri?
As of October 2026, there is 1 operator available to choose from for flights from Islip Long Island Airport to Missouri.
How old do you have to be to fly from Islip Long Island Airport to Missouri?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Islip Long Island Airport to Missouri.
What documentation or ID do you need to fly to Missouri?
The travel and health documents required for your trip to Missouri can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Missouri. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Islip, New York to Missouri

Compare and see reviews for airlines that fly from Islip, New York to Missouri with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $214	Free Cancellation	Rating 7.9 4,228 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Islip to Missouri?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Islip to Missouri. momondo saves you time and could save you money on your trip.

Can I find flights from Islip to Missouri with flexible booking policies on momondo?

Yes. All flights to Missouri from Islip on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Islip to Missouri?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Islip to Missouri.

I’m not ready to book a flight from Islip to Missouri right now. Can momondo alert me if prices change?

Price alerts on flights to Missouri from Islip are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.