$246+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MCI
Oct 10 — Oct 171
Round-trip
1 adult, Economy
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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
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Best
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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 September 10, 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 September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 12/84:05 pm -
1 stop6h 05m
Sat 12/125:30 am -
1 stop5h 35m
Deal found 9/9![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 9/8. 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 11/143:30 pm -
1 stop7h 40m
Mon 11/166:00 am -
2 stops9h 15m
Deal found 9/8![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 9/9. 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 11/135:40 pm -
1 stop7h 40m
Mon 11/166:25 am -
1 stop8h 50m
Deal found 9/9![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 9/9. 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 10/25:40 pm -
1 stop7h 45m
Sun 10/48:10 pm -
1 stop13h 10m
Deal found 9/9![Southwest logo]()
$418
This Southwest deal was found by Cheapflights users on 9/8. 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 11/196:05 am -
1 stop6h 30m
Sun 11/225:00 am -
1 stop5h 45m
Deal found 9/8![Southwest logo]()
$420
This Southwest deal was found by Cheapflights users on 9/8. 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 9/2312:55 pm -
1 stop4h 35m
Sun 9/276:50 am -
1 stop8h 05m
Deal found 9/8![Southwest logo]()
$518
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 September 10, 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 September 10, 2026.
This Southwest deal was found by Cheapflights users on 9/9. 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 12/84:05 pm -
1 stop6h 05m
Sat 12/125:30 am -
1 stop5h 35m
Deal found 9/9![Southwest logo]()
$339
This Southwest deal was found by Cheapflights users on 9/8. 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 11/146:00 am -
1 stop5h 05m
Mon 11/166:25 am -
1 stop8h 50m
Deal found 9/8![Southwest logo]()
$344
This Southwest deal was found by Cheapflights users on 9/10. 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 11/135:40 pm -
1 stop7h 40m
Tue 11/176:25 am -
1 stop8h 50m
Deal found 9/10![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 9/9. 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 11/135:40 pm -
1 stop7h 40m
Mon 11/166:00 am -
2 stops9h 15m
Deal found 9/9![Southwest logo]()
$359
This Southwest deal was found by Cheapflights users on 9/8. 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 11/196:05 am -
1 stop6h 30m
Sun 11/225:00 am -
1 stop5h 45m
Deal found 9/8![Southwest logo]()
$420
Last-minute flights from Islip to Kansas CityDiscover last-minute flight deals from Islip to Kansas City. Data last updated September 10, 2026 and is based on user searches.
Discover last-minute flight deals from Islip to Kansas City. Data last updated September 10, 2026 and is based on user searches.
This United deal was found by Cheapflights users on 9/9. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:26 pm -
2 stops20h 59m
Sat 9/266:10 am -
2 stops27h 20m
Deal found 9/9![Multiple Airlines logo]()
$1,358
This Southwest deal was found by Cheapflights users on 9/6. 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 9/186:10 am -
1 stop6h 20m
Sun 9/205:15 pm -
1 stop4h 25m
Deal found 9/6![Southwest logo]()
$793
This Southwest deal was found by Cheapflights users on 9/8. 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 9/2312:55 pm -
1 stop4h 35m
Sun 9/276:50 am -
1 stop8h 05m
Deal found 9/8![Southwest logo]()
$518
This Southwest deal was found by Cheapflights users on 9/9. 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 10/25:40 pm -
1 stop7h 45m
Sun 10/48:10 pm -
1 stop13h 10m
Deal found 9/9![Southwest logo]()
$418
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 September 10, 2026.
Search for one-way flight options from Islip to Kansas City. Find affordable one-way fares based on user searches. Data last updated September 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 9/2212:00 pm -
3 stops32h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 9/225:43 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$266
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/1612:00 pm -
3 stops32h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$269
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/165:43 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$277
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 9/1912:00 pm -
3 stops56h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sat 9/195:43 pm -
2 stops50h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$325
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/1811:52 am -
3 stops32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$338
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 9/215:43 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 9/6. 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 9/185:43 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Frontier logo]()
$357
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 9/205:43 pm -
2 stops26h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Frontier logo]()
$367
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Sun 9/205:28 pm -
3 stops27h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$368
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 9/219:39 am -
3 stops34h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$374
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 September 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $339 (Southwest) |
One-way from | $246 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $393 |
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 September 10, 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 9/16
5:43 pm-7:37 pm
2 stops26h 54m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$277
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Sat 9/19
5:43 pm-7:37 pm
2 stops50h 54m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$325
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Fri 9/18
11:52 am-7:37 pm
3 stops32h 45m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$338
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Tue 12/8
4:05 pm-9:10 pm
1 stop6h 05m
Kansas City
Sat 12/12
5:30 am-12:05 pm
1 stop5h 35m
$339
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Sat 11/14
6:00 am-10:05 am
1 stop5h 05m
Kansas City
Mon 11/16
6:25 am-4:15 pm
1 stop8h 50m
$344
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Fri 9/18
5:43 pm-7:37 pm
2 stops26h 54m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$357
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Fri 11/13
5:40 pm-12:20 am
1 stop7h 40m
Kansas City
Tue 11/17
6:25 am-4:15 pm
1 stop8h 50m
$359
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Fri 11/13
5:40 pm-12:20 am
1 stop7h 40m
Kansas City
Mon 11/16
6:00 am-4:15 pm
2 stops9h 15m
$359
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Sun 9/20
5:43 pm-7:37 pm
2 stops26h 54m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$367
IslipKansas City
ISP Islip Long Island - MCI Kansas City
ISPMCI
Islip Long Island
Mon 9/21
9:39 am-7:37 pm
3 stops34h 58m
Kansas City
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$374
Showing 1-10 of 13 resultsSorted 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 September.
| 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
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