$185+ Cheap flights from Kansas City to Islip, NY (MCI - ISP)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ISP
Nov 24 — Dec 11
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City to Islip with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kansas City to Islip
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kansas City to IslipExplore 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 25, 2026.
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 25, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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.
Sat 12/125:30 am -
1 stop5h 35m
Sat 1/165:40 am -
1 stop8h 05m
Deal found 10/20![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 10/22. 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 11/176:25 am -
1 stop4h 20m
Tue 12/14:05 pm -
1 stop6h 10m
Deal found 10/22![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sat 11/77:25 am -
1 stop5h 55m
Wed 11/114:05 pm -
1 stop6h 10m
Deal found 10/23![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 10/23. 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.
Fri 11/65:00 am -
1 stop11h 05m
Sun 11/84:25 pm -
1 stop9h 15m
Deal found 10/23![Southwest logo]()
$562
Best flights from Kansas City to IslipDiscover carefully curated flight deals from Kansas City to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
Discover carefully curated flight deals from Kansas City to Islip that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/20. 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.
Sat 12/125:30 am -
1 stop5h 35m
Sat 1/165:40 am -
1 stop8h 05m
Deal found 10/20![Southwest logo]()
$306
This Southwest deal was found by Cheapflights users on 10/22. 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 11/176:50 am -
2 stops8h 25m
Tue 12/14:05 pm -
2 stops7h 25m
Deal found 10/22![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 10/23. 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.
Fri 11/65:00 am -
1 stop11h 05m
Sun 11/84:25 pm -
1 stop9h 15m
Deal found 10/23![Southwest logo]()
$562
This Southwest deal was found by Cheapflights users on 10/21. 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.
Mon 11/239:00 pm -
1 stop10h 45m
Mon 11/304:55 pm -
1 stop7h 55m
Deal found 10/21![Southwest logo]()
$598
Last-minute flights from Kansas City to IslipDiscover last-minute flight deals from Kansas City to Islip. Data last updated October 25, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Islip. Data last updated October 25, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 10/21. 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.
Sun 11/15:00 am -
1 stop5h 45m
Fri 11/61:35 pm -
2 stops12h 05m
Deal found 10/21![Southwest logo]()
$798
This Southwest deal was found by Cheapflights users on 10/23. 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.
Fri 11/65:00 am -
1 stop11h 05m
Sun 11/84:25 pm -
1 stop9h 15m
Deal found 10/23![Southwest logo]()
$562
This Southwest deal was found by Cheapflights users on 10/23. 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.
Sat 11/77:25 am -
1 stop5h 55m
Wed 11/114:05 pm -
1 stop6h 10m
Deal found 10/23![Southwest logo]()
$557
This Southwest deal was found by Cheapflights users on 10/22. 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 11/176:25 am -
1 stop4h 20m
Tue 12/14:05 pm -
1 stop6h 10m
Deal found 10/22![Southwest logo]()
$408
This Southwest deal was found by Cheapflights users on 10/21. 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.
Mon 11/239:00 pm -
1 stop10h 45m
Mon 11/304:55 pm -
1 stop7h 55m
Deal found 10/21![Southwest logo]()
$598
One-way flights from Kansas City to IslipSearch for one-way flight options from Kansas City to Islip. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
Search for one-way flight options from Kansas City to Islip. Find affordable one-way fares based on user searches. Data last updated October 25, 2026.
This Southwest deal was found by Cheapflights users on 10/23. 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.
Fri 12/186:00 pm -
1 stop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Southwest logo]()
$185
This Southwest deal was found by Cheapflights users on 10/24. 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.
Sat 12/266:20 pm -
1 stop4h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/24![Southwest logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/188:51 pm -
3 stops44h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Multiple Airlines logo]()
$339
Find 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 25, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $306 (Southwest) |
One-way from | $185 (Southwest) |
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 7,457,451 searches. Data last updated October 25, 2026.
Use the filters below to find and compare flights from Kansas City to Islip that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Fri 12/18
6:00 pm-11:50 pm
1 stop4h 50m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$185
Quickest round-trip
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Sat 12/26
6:20 pm-11:45 pm
1 stop4h 25m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$269
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Sat 12/12
5:30 am-12:05 pm
1 stop5h 35m
Islip Long Island
Sat 1/16
5:40 am-12:45 pm
1 stop8h 05m
$306
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Fri 12/18
8:51 pm-5:54 pm
3 stops44h 03m
Islip Long Island
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$350
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Tue 11/17
6:50 am-4:15 pm
2 stops8h 25m
Islip Long Island
Tue 12/1
4:05 pm-10:30 pm
2 stops7h 25m
$418
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Fri 11/6
5:00 am-5:05 pm
1 stop11h 05m
Islip Long Island
Sun 11/8
4:25 pm-12:40 am
1 stop9h 15m
$562
Kansas CityIslip
MCI Kansas City - ISP Islip Long Island
MCIISP
Kansas City
Mon 11/23
9:00 pm-8:45 am
1 stop10h 45m
Islip Long Island
Mon 11/30
4:55 pm-11:50 pm
1 stop7h 55m
$598
Sorted by cheapest first
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.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Kansas City-Islip, New York flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Islip, New York flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.
MCI-ISP
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.
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 25, 2026.
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.
Crew
8.6
Boarding
8.1
Entertainment
7.4
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
Crew
8.6
Boarding
8.1
Entertainment
7.4
Overall
7.9
Food
7.0
Comfort
8.0
Reviews
1 / 20
6.0
GoodLauren,Dec 2024
MCI - DCA
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.
Traveling to a place near Islip?
Book flights to Islip if you plan to visit one of these locationsRiverhead
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Popular flight searches
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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 7,457,451 searches. Data last updated October 25, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$366 | Average$545 | FlexibilityNo cancel fee | On-time63% |