What airlines fly to Missouri?

United Airlines, Delta and American Airlines 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 38% of people opting to fly with this airline when traveling to Missouri. Keep in mind that there are 6 different airlines that fly to Missouri on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Islip Long Island to Missouri?

Frontier and Southwest are the most popular carriers operating from Islip Long Island 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 January 2025, 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.

$61 Cheap Flights from Islip to Missouri in 2025

1 adult

0 bags

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Find the cheapest flights from Islip, New York to Missouri

Round-tripOne-way

Cheap round-trip flights

These are some of the best round-trip flight deals from Islip, New York to Missouri that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from Islip, New York to Missouri.

Cheap last minute flights

Planning a quick getaway from Islip, New York to Missouri? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Missouri, so you can enjoy a seamless trip without layovers.

Cheap bus & train deals from Islip, New York to Missouri

Find recent round-trip train or bus tickets from Islip, New York to Missouri.

All round-trip flight deals to Missouri

The cheapest plane tickets to Missouri found on KAYAK recently.

11:48 am - 11:41 pmISP-STL

12h 53m1 stop

8:17 am - 7:12 pmSTL-ISP

9h 55m1 stop

$276Frontier

Find Deal

Mon, Feb 3 - Sun, Feb 9

1:00 pm - 8:10 pmISP-STL

8h 10m1 stop

6:40 am - 11:50 amSTL-ISP

4h 10m1 stop

$367Southwest

Find Deal

Fri, May 2 - Sun, May 4

5:40 am - 12:20 pmISP-STL

7h 40m2 stops

6:40 am - 11:50 amSTL-ISP

4h 10m1 stop

$372Southwest

Find Deal

Fri, May 2 - Sun, May 4

5:40 am - 12:20 pmISP-STL

7h 40m2 stops

6:10 am - 5:40 pmSTL-ISP

10h 30m2 stops

$387Southwest

Find Deal

Fri, May 2 - Sun, May 4

12:43 pm - 11:31 pmISP-STL

11h 48m1 stop

$61Frontier

Find Deal

Sat, Feb 8

8:12 pm - 11:31 pmISP-STL

28h 19m1 stop

$128Frontier

Find Deal

Thu, Feb 6

11:25 am - 8:20 pmISP-STL

9h 55m2 stops

$174Southwest

Find Deal

Thu, Feb 6

6:05 pm - 11:37 pmISP-STL

6h 32m1 stop

$340Frontier

Find Deal

Mon, Jun 9

6:05 pm - 11:37 pmISP-STL

6h 32m1 stop

$350Frontier

Find Deal

Tue, Jun 24

6:05 pm - 11:37 pmISP-STL

6h 32m1 stop

$518Frontier

Find Deal

Sat, Jun 7

Frontier flights from Islip, New York to Missouri

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

Frontier

Feb 3

ISP11:48 amIslip Long Island

12h 53m

1 stop

STL11:41 pmLambert-St Louis

Feb 9

STL8:17 amLambert-St Louis

9h 55m

1 stop

ISP7:12 pmIslip Long Island

$276

Find similar

Frontier

Jan 17

ISP12:43 pmIslip Long Island

11h 48m

1 stop

STL11:31 pmLambert-St Louis

Jan 19

STL8:22 amLambert-St Louis

9h 50m

1 stop

ISP7:12 pmIslip Long Island

$568

Find similar

Southwest flights from Islip, New York to Missouri

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

Southwest

May 2

ISP1:00 pmIslip Long Island

8h 10m

1 stop

STL8:10 pmLambert-St Louis

May 4

STL6:40 amLambert-St Louis

4h 10m

1 stop

ISP11:50 amIslip Long Island

$367

Find similar

Southwest

May 2

ISP5:40 amIslip Long Island

7h 40m

2 stops

STL12:20 pmLambert-St Louis

May 4

STL6:40 amLambert-St Louis

4h 10m

1 stop

ISP11:50 amIslip Long Island

$372

Find similar

Southwest

May 2

ISP5:40 amIslip Long Island

7h 40m

2 stops

STL12:20 pmLambert-St Louis

May 4

STL6:10 amLambert-St Louis

10h 30m

2 stops

ISP5:40 pmIslip Long Island

$387

Find similar

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

Prices

Airlines

What is the cheapest time of day to depart on your flight to Missouri?

According to our data, the cheapest time of day to fly to Missouri is in the morning. momondo users have found flights departing from Islip, New York to Missouri in the morning for as low as $366. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Missouri are more costly in the morning, with an average ticket price of $366. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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	$61
Fastest flight time	6h 32m
Direct flights	None
Airports in Missouri	1 airport

The best one-way flight to Missouri from Islip, New York in the past 72 hours is $61. The best round-trip flight deal from Islip, New York to Missouri found on momondo in the last 72 hours is $276.

The fastest flight from Islip, New York to Missouri takes 6h 32m

There are no direct flights from Islip, New York to Missouri. Popular non-direct route for this connection is Islip Long Island Airport - Lambert-St Louis Airport.

There is 1 airport near Missouri: Lambert-St Louis (STL)

Search flight deals

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 January 2025, 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 $348	Free Cancellation	Rating 8.1 4,648 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.