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Cheap flights from Missouri to New York from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to New York departing on 7/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Missouri to New York

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:25 am - 2:55 pm
STL
-
ISP
7h 30m
1 stop
Southwest Logo
6:45 am - 12:15 pm
ISP
-
STL
6h 30m
1 stop
$273Southwest
Tue, Sep 8 - Mon, Sep 14
Southwest Logo
6:25 am - 2:55 pm
STL
-
ISP
7h 30m
1 stop
Southwest Logo
1:15 pm - 10:25 pm
ISP
-
STL
10h 10m
2 stops
$278Southwest
Tue, Sep 8 - Mon, Sep 14
Southwest Logo
1:40 pm - 9:05 pm
STL
-
ISP
6h 25m
1 stop
Southwest Logo
4:35 pm - 10:40 pm
ISP
-
STL
7h 05m
1 stop
$280Southwest
Tue, Sep 8 - Sun, Sep 13
Southwest Logo
6:05 am - 12:35 pm
STL
-
ISP
5h 30m
1 stop
Southwest Logo
5:00 pm - 10:25 pm
ISP
-
STL
6h 25m
1 stop
$299Southwest
Mon, Aug 24 - Mon, Aug 31
Southwest Logo
6:05 am - 4:25 pm
STL
-
ISP
9h 20m
2 stops
Southwest Logo
4:05 pm - 9:40 pm
ISP
-
STL
6h 35m
1 stop
$304Southwest
Mon, Aug 24 - Mon, Aug 31
Southwest Logo
6:05 am - 4:25 pm
STL
-
ISP
9h 20m
2 stops
Southwest Logo
4:05 pm - 10:05 pm
ISP
-
STL
7h 00m
2 stops
$309Southwest
Mon, Aug 24 - Mon, Aug 31
Southwest Logo
2:25 pm - 9:30 pm
STL
-
ISP
6h 05m
1 stop
Southwest Logo
3:20 pm - 9:10 pm
ISP
-
STL
6h 50m
1 stop
$312Southwest
Thu, Aug 6 - Wed, Aug 12
Southwest Logo
1:40 pm - 9:05 pm
STL
-
ISP
6h 25m
1 stop
Southwest Logo
4:35 pm - 9:35 pm
ISP
-
STL
6h 00m
2 stops
$327Southwest
Tue, Sep 8 - Sun, Sep 13
Southwest Logo
3:10 pm - 9:05 pm
MCI
-
ISP
4h 55m
1 stop
Southwest Logo
12:55 pm - 4:30 pm
ISP
-
MCI
4h 35m
1 stop
$328Southwest
Tue, Aug 11 - Wed, Aug 12
Southwest Logo
11:45 am - 9:05 pm
MCI
-
ISP
8h 20m
2 stops
Southwest Logo
12:55 pm - 4:30 pm
ISP
-
MCI
4h 35m
1 stop
$334Southwest
Tue, Aug 11 - Wed, Aug 12

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Southwest flights from Missouri to Islip, New York

Our best Southwest deals on Missouri to Islip, New York flight tickets
Southwest
Sep 8
STL6:25 amLambert-St Louis
7h 30m
1 stop
ISP2:55 pmIslip Long Island
Sep 14
ISP6:45 amIslip Long Island
6h 30m
1 stop
STL12:15 pmLambert-St Louis
$273
Southwest
Sep 8
STL6:25 amLambert-St Louis
7h 30m
1 stop
ISP2:55 pmIslip Long Island
Sep 14
ISP1:15 pmIslip Long Island
10h 10m
2 stops
STL10:25 pmLambert-St Louis
$278
Southwest
Sep 8
STL1:40 pmLambert-St Louis
6h 25m
1 stop
ISP9:05 pmIslip Long Island
Sep 13
ISP4:35 pmIslip Long Island
7h 05m
1 stop
STL10:40 pmLambert-St Louis
$280

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Islip, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 3, 2026.
Use the filters below to find and compare flights from Missouri to Islip, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Tue 9/8

6:25 am-2:55 pm

1 stop7h 30m

Islip Long Island

Mon 9/14

6:45 am-12:15 pm

1 stop6h 30m

$273

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Tue 9/8

6:25 am-2:55 pm

1 stop7h 30m

Islip Long Island

Mon 9/14

1:15 pm-10:25 pm

2 stops10h 10m

$278

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Tue 9/8

1:40 pm-9:05 pm

1 stop6h 25m

Islip Long Island

Sun 9/13

4:35 pm-10:40 pm

1 stop7h 05m

$280

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Mon 8/24

6:05 am-12:35 pm

1 stop5h 30m

Islip Long Island

Mon 8/31

5:00 pm-10:25 pm

1 stop6h 25m

$299

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Mon 8/24

6:05 am-4:25 pm

2 stops9h 20m

Islip Long Island

Mon 8/31

4:05 pm-9:40 pm

1 stop6h 35m

$304

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Mon 8/24

6:05 am-4:25 pm

2 stops9h 20m

Islip Long Island

Mon 8/31

4:05 pm-10:05 pm

2 stops7h 00m

$309

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Thu 8/6

2:25 pm-9:30 pm

1 stop6h 05m

Islip Long Island

Wed 8/12

3:20 pm-9:10 pm

1 stop6h 50m

$312

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

Tue 9/8

1:40 pm-9:05 pm

1 stop6h 25m

Islip Long Island

Sun 9/13

4:35 pm-9:35 pm

2 stops6h 00m

$327
Quickest round-trip

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Tue 8/11

3:10 pm-9:05 pm

1 stop4h 55m

Islip Long Island

Wed 8/12

12:55 pm-4:30 pm

1 stop4h 35m

$328

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Tue 8/11

11:45 am-9:05 pm

2 stops8h 20m

Islip Long Island

Wed 8/12

12:55 pm-4:30 pm

1 stop4h 35m

$334

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to New York from

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

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 Missouri to Islip Long Island?

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

What airlines fly to Islip, New York?

Delta, United Airlines and American Airlines are the top three most popular airlines that fly to Islip, New York from Missouri according to our data. Delta is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Islip, New York. Keep in mind that there are 5 different airlines that fly to Islip, New York on a routine basis, so you have a few additional options to choose from.

Cheap Missouri to Islip, New York flight deals and tips

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

Fastest flight time

4h 55m

Direct flights

None
The fastest flight from Missouri to Islip, New York takes 4h 55m
There are no direct flights from Missouri to Islip, New York. There are no popular flight routes from Missouri to Islip, New York.
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Frequently asked questions about flying from Missouri to Islip, New York

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Missouri to Islip Long Island Airport.

  • What documentation or ID do you need to fly to Islip Long Island Airport?

    The travel and health documents you'll need for your trip to Islip Long Island Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Islip Long Island Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Missouri to Islip, New York

Compare and see reviews for airlines that fly from Missouri to Islip, New York with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $218Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

Traveling to a place near New York?

Book flights to New York if you plan to visit one of these locations
Montauk
Riverhead
Southampton
Sag Harbor
Amagansett

Why use momondo?

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

It is quick and easy to find Missouri to Islip flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Islip that suits you.

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

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

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

momondo provides multiple filters to help you find the best flight to Islip from Missouri. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of Missouri to Islip flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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