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Cheap flights from Missouri to New York from $80

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 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Frontier Logo
9:32 pm - 10:55 amSTL-ISP
12h 23m1 stop
Frontier Logo
9:37 pm - 10:37 amISP-STL
38h 00m2 stops
$331Frontier
Find Deal
vie., oct. 3 - mar., oct. 7
Frontier Logo
11:37 am - 10:37 amMCI-ISP
22h 00m2 stops
Frontier Logo
9:47 pm - 10:42 amISP-MCI
13h 55m2 stops
$342Frontier
Find Deal
vie., oct. 10 - dom., oct. 12
Southwest Logo
6:05 pm - 11:45 pmMCI-ISP
4h 40m1 stop
Southwest Logo
5:30 am - 10:50 amISP-MCI
6h 20m1 stop
$377Southwest
Find Deal
jue., oct. 16 - jue., oct. 23
Southwest Logo
6:05 pm - 11:45 pmMCI-ISP
4h 40m1 stop
Southwest Logo
5:35 pm - 11:55 pmISP-MCI
7h 20m2 stops
$382Southwest
Find Deal
jue., oct. 16 - jue., oct. 23
Frontier Logo
11:37 am - 10:37 amMCI-ISP
22h 00m2 stops
Frontier Logo
9:37 pm - 10:42 amISP-MCI
14h 05m2 stops
$395Frontier
Find Deal
vie., oct. 17 - jue., oct. 23
Frontier Logo
11:37 am - 9:44 amMCI-ISP
21h 07m2 stops
Frontier Logo
9:37 pm - 10:42 amISP-MCI
14h 05m2 stops
$397Frontier
Find Deal
lun., oct. 20 - jue., oct. 23
Frontier Logo
7:45 pm - 10:37 amSTL-ISP
13h 52m2 stops
Frontier Logo
4:58 pm - 9:07 amISP-STL
17h 09m2 stops
$399Frontier
Find Deal
jue., nov. 13 - lun., nov. 17
Frontier Logo
7:55 pm - 4:23 pmSTL-ISP
19h 28m2 stops
Frontier Logo
3:43 pm - 10:37 amISP-STL
43h 54m2 stops
$404Frontier
Find Deal
vie., oct. 3 - mar., oct. 7
Frontier Logo
8:28 pm - 10:37 amMCI-ISP
13h 09m2 stops
Frontier Logo
9:27 pm - 10:17 amISP-MCI
13h 50m2 stops
$415Frontier
Find Deal
jue., oct. 30 - dom., nov. 2
Frontier Logo
11:37 am - 9:04 amMCI-ISP
20h 27m2 stops
Frontier Logo
9:47 pm - 10:42 amISP-MCI
13h 55m2 stops
$433Frontier
Find Deal
jue., oct. 9 - dom., oct. 12

Frontier flights from Missouri to Islip

Our best Frontier deals on Missouri to Islip flight tickets
Frontier
Oct 3
STL9:32 pmLambert-St Louis
12h 23m
1 stop
ISP10:55 amIslip Long Island
Oct 7
ISP9:37 pmIslip Long Island
38h 00m
2 stops
STL10:37 amLambert-St Louis
$331
Find similar
Frontier
Oct 10
MCI11:37 amKansas City
22h 00m
2 stops
ISP10:37 amIslip Long Island
Oct 12
ISP9:47 pmIslip Long Island
13h 55m
2 stops
MCI10:42 amKansas City
$342
Find similar
Frontier
Oct 17
MCI11:37 amKansas City
22h 00m
2 stops
ISP10:37 amIslip Long Island
Oct 23
ISP9:37 pmIslip Long Island
14h 05m
2 stops
MCI10:42 amKansas City
$395
Find similar

Southwest flights from Missouri to Islip

Our best Southwest deals on Missouri to Islip flight tickets
Southwest
Oct 16
MCI6:05 pmKansas City
4h 40m
1 stop
ISP11:45 pmIslip Long Island
Oct 23
ISP5:30 amIslip Long Island
6h 20m
1 stop
MCI10:50 amKansas City
$377
Find similar
Southwest
Oct 16
MCI6:05 pmKansas City
4h 40m
1 stop
ISP11:45 pmIslip Long Island
Oct 23
ISP5:35 pmIslip Long Island
7h 20m
2 stops
MCI11:55 pmKansas City
$382
Find similar
Southwest
Oct 23
MCI2:10 pmKansas City
8h 35m
2 stops
ISP11:45 pmIslip Long Island
Oct 25
ISP6:05 amIslip Long Island
9h 15m
2 stops
MCI2:20 pmKansas City
$457
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Missouri to Islip 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 septiembre 18, 2025.
Use the filters below to find and compare flights from Missouri to Islip that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

vie. 10/3

9:32 pm-10:55 am

1 stop12h 23m

Islip Long Island

mar. 10/7

9:37 pm-10:37 am

2 stops38h 00m

$331

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

vie. 10/10

11:37 am-10:37 am

2 stops22h 00m

Islip Long Island

dom. 10/12

9:47 pm-10:42 am

2 stops13h 55m

$342

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

jue. 10/16

6:05 pm-11:45 pm

1 stop4h 40m

Islip Long Island

jue. 10/23

5:30 am-10:50 am

1 stop6h 20m

$377

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

jue. 10/16

6:05 pm-11:45 pm

1 stop4h 40m

Islip Long Island

jue. 10/23

5:35 pm-11:55 pm

2 stops7h 20m

$382

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

vie. 10/17

11:37 am-10:37 am

2 stops22h 00m

Islip Long Island

jue. 10/23

9:37 pm-10:42 am

2 stops14h 05m

$395

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

lun. 10/20

11:37 am-9:44 am

2 stops21h 07m

Islip Long Island

jue. 10/23

9:37 pm-10:42 am

2 stops14h 05m

$397

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

jue. 11/13

7:45 pm-10:37 am

2 stops13h 52m

Islip Long Island

lun. 11/17

4:58 pm-9:07 am

2 stops17h 09m

$399

St. LouisIslip

STL - ISP

STLISP

Lambert-St Louis

vie. 10/3

7:55 pm-4:23 pm

2 stops19h 28m

Islip Long Island

mar. 10/7

3:43 pm-10:37 am

2 stops43h 54m

$404

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

jue. 10/30

8:28 pm-10:37 am

2 stops13h 09m

Islip Long Island

dom. 11/2

9:27 pm-10:17 am

2 stops13h 50m

$415

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

jue. 10/9

11:37 am-9:04 am

2 stops20h 27m

Islip Long Island

dom. 10/12

9:47 pm-10:42 am

2 stops13h 55m

$433

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Missouri to Islip

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 day to depart on your flight to Islip?

On average, the least expensive day to fly to Islip from Missouri is on a Saturday. momondo users have found tickets for Saturday departures for as low as $156. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Missouri to Islip on a Thursday will generally be more expensive and average around $416. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Islip from Missouri in the evening is the least expensive time of day to depart. momondo users have found prices as low as $156 when looking at flights departing in the evening. Flights in the morning are often more expensive with an average ticket price of $386.

Can stopping save me money on Missouri to Islip flights?

You could potentially save up to 23% on your flight if you consider stops on a Missouri to Islip flight.

Cheap Missouri to Islip flight deals and tips

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

Direct flights

None
There are no direct flights from Missouri to Islip. There are no popular flight routes from Missouri to Islip.
Search flight deals

  • 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

Compare and see reviews for airlines that fly from Missouri to Islip with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $290Free CancellationRating
8.0
4,242 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
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Riverhead
Sag Harbor
Southampton
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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