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Islip

$298+ Cheap flights from Kansas City to Islip, NY (MCI - ISP)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ISP
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Kansas City to Islip

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Islip (ISP). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$327
(Southwest)

One-way from

$298
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$436
Provider with most accurate pricing for Kansas City-Islip Long Island flight deals.
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Provider most trusted by Cheapflights users for Kansas City-Islip Long Island flights.
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From Kansas City to Islip Long Island
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One-way flight from Kansas City to Islip Long Island
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Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Kansas City to Islip

Cheapest flights from Kansas City to Islip
Explore the most affordable flight options available from Kansas City to Islip. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Southwest deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/162:40 pmMCI - ISP
1 stop6h 25mSouthwest
Wed 12/173:55 pmISP - MCI
1 stop6h 30mSouthwest
Deal found 10/26$327

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kansas City 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, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Kansas City to Islip that are best for you.

Fly from

Kansas City

Fly to

Islip

Route

Depart

Return

Price

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Tue 12/16

2:40 pm-10:05 pm

1 stop6h 25m

Islip Long Island

Wed 12/17

3:55 pm-9:25 pm

1 stop6h 30m

$327

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Sat 11/1

8:28 pm-12:00 pm

3 stops14h 32m

$298

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Sat 11/1

8:28 pm-9:42 pm

2 stops24h 14m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Kansas City to Islip

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Kansas City to Islip in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Kansas City-Islip, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kansas City-Islip, New York flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Kansas City-Islip, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-Islip, New York flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kansas City-Islip, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kansas City to Islip

Have a flexible travel schedule? Discover the best time to fly to Islip from Kansas City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Kansas City to Islip

What is the cheapest month to book a flight from Kansas City to Islip, New York?

Currently, November is the cheapest month in which you can book a flight from Kansas City to Islip, New York (average of $106). Flying from Kansas City to Islip, New York in June is currently the most expensive (average of $225). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Kansas City to Islip, New York?

Reviews of airlines servicing Islip

Get insights into the airlines that provide service to Islip. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Islip. Reviews last updated October 27, 2025.
Peruse reviews from past customers who have flown with Southwest from Kansas City to Islip to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,236 reviews
Southwest
8.0
Very good
4,236 reviews

Comfort

8.0

Boarding

8.1

Entertainment

7.5

Overall

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Islip. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Kansas City to Islip, New York?

    For as low as $327, Southwest can have you in Islip, New York from Kansas City in 6h 25m. There are 1145 mi between Kansas City and Islip, New York.

  • What is the cheapest airline to fly from Kansas City to Islip, New York round-trip?

    Southwest, at $290, was found to be the cheapest airline from Kansas City to Islip, New York.. Southwest is priced at 30% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Kansas City to Islip that include hotel bookings?

    Yes. In addition to deals on Kansas City to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Islip?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Islip.

  • Can I find deals for business class flights from Kansas City to Islip?

    Yes. Cheapflights offers flight deals from Kansas City to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Kansas City to Islip, New York?

    Currently, November is the cheapest month in which you can book a flight from Kansas City to Islip, New York (average of $106). Flying from Kansas City to Islip, New York in June is currently the most expensive (average of $225). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Islip?

Book flights to Islip if you plan to visit one of these locations
Riverhead
Southampton

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Alternative routes for Kansas City to Islip

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Top airline flying from Kansas City to Islip

Discover the top airline that operate flights from Kansas City to Islip. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$290Average$391FlexibilityNo cancel feeOn-time63%

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