$330+ Cheap flights from Islip, NY to Kansas City (ISP - MCI)
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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MCI
Nov 1 — Nov 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Islip to Kansas City 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 Islip to Kansas City
Cheapest
Best
Last-minute
One-way
Cheapest flights from Islip to Kansas CityExplore the most affordable flight options available from Islip to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
Explore the most affordable flight options available from Islip to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
This Southwest deal was found by Cheapflights users on 9/29. 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 10/233:10 pm -
1 stop10h 20m
Tue 10/271:40 pm -
1 stop5h 20m
Deal found 9/29![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 9/27. 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.
Thu 12/175:35 am -
1 stop5h 30m
Sat 12/195:20 am -
2 stops10h 05m
Deal found 9/27![Southwest logo]()
$441
This Southwest deal was found by Cheapflights users on 9/27. 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.
Thu 10/811:00 am -
1 stop5h 00m
Sun 10/1111:20 am -
1 stop11h 20m
Deal found 9/27![Southwest logo]()
$805
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/289:56 am -
2 stops10h 45m
Sun 1/38:36 pm -
2 stops11h 25m
Deal found 9/30![Frontier logo]()
$1,203
Best flights from Islip to Kansas CityDiscover carefully curated flight deals from Islip to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
Discover carefully curated flight deals from Islip to Kansas City that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
This Southwest deal was found by Cheapflights users on 9/29. 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 10/233:10 pm -
1 stop10h 20m
Tue 10/271:40 pm -
1 stop5h 20m
Deal found 9/29![Southwest logo]()
$378
This Southwest deal was found by Cheapflights users on 9/27. 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.
Thu 12/175:35 am -
1 stop5h 30m
Sat 12/195:20 am -
2 stops10h 05m
Deal found 9/27![Southwest logo]()
$441
This Frontier deal was found by Cheapflights users on 9/30. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/289:56 am -
2 stops10h 45m
Sun 1/38:36 pm -
2 stops11h 25m
Deal found 9/30![Frontier logo]()
$1,203
Last-minute flights from Islip to Kansas CityDiscover last-minute flight deals from Islip to Kansas City. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Kansas City. Data last updated October 2, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 9/27. 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.
Thu 10/811:00 am -
1 stop5h 00m
Sun 10/1111:20 am -
1 stop11h 20m
Deal found 9/27![Southwest logo]()
$805
This Southwest deal was found by Cheapflights users on 9/29. 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 10/233:10 pm -
1 stop10h 20m
Tue 10/271:40 pm -
1 stop5h 20m
Deal found 9/29![Southwest logo]()
$378
One-way flights from Islip to Kansas CitySearch for one-way flight options from Islip to Kansas City. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
Search for one-way flight options from Islip to Kansas City. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Wed 10/712:00 pm -
2 stops45h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Multiple Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 10/1. 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.
Wed 10/712:50 pm -
1 stop4h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Southwest logo]()
$549
Find flight deals from Islip to Kansas City
Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Kansas City (MCI). 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 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $378 (Southwest) |
One-way from | $330 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Islip to Kansas City 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 2, 2026.
Use the filters below to find and compare flights from Islip to Kansas City that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Wed 10/7
12:00 pm-7:48 pm
3 stops32h 48m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$339
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Fri 10/23
3:10 pm-12:30 am
1 stop10h 20m
Kansas City
Tue 10/27
1:40 pm-8:00 pm
1 stop5h 20m
$378
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Thu 12/17
5:35 am-10:05 am
1 stop5h 30m
Kansas City
Sat 12/19
5:20 am-4:25 pm
2 stops10h 05m
$441
Quickest round-trip
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Wed 10/7
12:50 pm-4:40 pm
1 stop4h 50m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$549
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Mon 12/28
9:56 am-7:41 pm
2 stops10h 45m
Kansas City
Sun 1/3
8:36 pm-9:01 am
2 stops11h 25m
$1,203
Sorted by cheapest first
Compare providers for flights from Islip to Kansas City
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 Islip to Kansas City in October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Islip, New York-Kansas City flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Islip, New York-Kansas City flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Islip, New York-Kansas City flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Islip, New York-Kansas City 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 Islip, New York-Kansas City 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 Islip to Kansas City
Have a flexible travel schedule? Discover the best time to fly to Kansas City from Islip with our price prediction graph.
ISP-MCI
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.
Related info for your journey
Find useful and relevant information for your journey from Islip to Kansas City. 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 Kansas City?
Book flights to Kansas City if you plan to visit one of these locationsLee's Summit
Kansas City
Independence
Overland Park
Warrensburg
Lenexa
North Kansas City
Lansing
Liberty
Lawrence
Shawnee
Olathe
Belton
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Islip
Popular flights