$344+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — ISP
Jul 9 — Jul 161
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
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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
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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 June 9, 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 June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/7. 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 7/106:05 pm
MCI
- ISP
1 stop4h 35m
Southwest
Tue 7/148:55 am
ISP
- MCI
1 stop7h 35m
Southwest
Deal found 6/7![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 6/4. 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 11/195:55 am
MCI
- ISP
2 stops9h 25m
Southwest
Sun 11/2212:25 pm
ISP
- MCI
2 stops8h 35m
Southwest
Deal found 6/4![Southwest logo]()
$466
This Southwest deal was found by Cheapflights users on 6/7. 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 8/43:10 pm
MCI
- ISP
1 stop4h 55m
Southwest
Sun 8/97:00 am
ISP
- MCI
1 stop6h 35m
Southwest
Deal found 6/7![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2110:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Sat 6/275:35 pm
ISP
- MCI
1 stop5h 30m
Southwest
Deal found 6/5![Southwest logo]()
$586
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2110:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Thu 6/255:50 pm
ISP
- MCI
1 stop6h 50m
Southwest
Deal found 6/5![Southwest logo]()
$597
This Southwest deal was found by Cheapflights users on 6/5. 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 6/182:55 pm
MCI
- ISP
1 stop7h 45m
Southwest
Sat 6/205:35 pm
ISP
- MCI
1 stop5h 30m
Southwest
Deal found 6/5![Southwest logo]()
$712
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 June 9, 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 June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/7. 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 7/106:05 pm
MCI
- ISP
1 stop4h 35m
Southwest
Tue 7/148:55 am
ISP
- MCI
1 stop7h 35m
Southwest
Deal found 6/7![Southwest logo]()
$427
This Southwest deal was found by Cheapflights users on 6/7. 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 7/1712:20 pm
MCI
- ISP
2 stops10h 25m
Southwest
Tue 7/214:40 pm
ISP
- MCI
2 stops7h 50m
Southwest
Deal found 6/7![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 6/7. 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 8/43:10 pm
MCI
- ISP
1 stop4h 55m
Southwest
Sun 8/97:00 am
ISP
- MCI
1 stop6h 35m
Southwest
Deal found 6/7![Southwest logo]()
$467
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2110:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Thu 6/255:50 pm
ISP
- MCI
1 stop6h 50m
Southwest
Deal found 6/5![Southwest logo]()
$597
This Southwest deal was found by Cheapflights users on 6/5. 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 6/156:05 pm
MCI
- ISP
1 stop4h 30m
Southwest
Sat 6/205:35 pm
ISP
- MCI
1 stop5h 30m
Southwest
Deal found 6/5![Southwest logo]()
$737
This Southwest deal was found by Cheapflights users on 6/5. 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 6/1510:00 am
MCI
- ISP
1 stop6h 15m
Southwest
Fri 6/196:00 am
ISP
- MCI
2 stops7h 00m
Southwest
Deal found 6/5![Southwest logo]()
$832
Last-minute flights from Kansas City to IslipDiscover last-minute flight deals from Kansas City to Islip. Data last updated June 9, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Islip. Data last updated June 9, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 6/5. 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 6/1410:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Sat 6/205:35 pm
ISP
- MCI
1 stop5h 30m
Southwest
Deal found 6/5![Southwest logo]()
$737
This Southwest deal was found by Cheapflights users on 6/5. 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 6/182:55 pm
MCI
- ISP
1 stop7h 45m
Southwest
Sat 6/205:35 pm
ISP
- MCI
1 stop5h 30m
Southwest
Deal found 6/5![Southwest logo]()
$712
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2110:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Sat 6/275:35 pm
ISP
- MCI
1 stop5h 30m
Southwest
Deal found 6/5![Southwest logo]()
$586
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2110:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Thu 6/255:50 pm
ISP
- MCI
1 stop6h 50m
Southwest
Deal found 6/5![Southwest logo]()
$597
This Southwest deal was found by Cheapflights users on 6/7. 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 7/106:05 pm
MCI
- ISP
1 stop4h 35m
Southwest
Tue 7/148:55 am
ISP
- MCI
1 stop7h 35m
Southwest
Deal found 6/7![Southwest logo]()
$427
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 June 9, 2026.
Search for one-way flight options from Kansas City to Islip. Find affordable one-way fares based on user searches. Data last updated June 9, 2026.
This Southwest deal was found by Cheapflights users on 6/5. 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 6/2110:25 am
MCI
- ISP
1 stop5h 55m
Southwest
Deal found 6/5![Southwest logo]()
$344
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 June 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $427 (Southwest) |
One-way from | $344 (Southwest) |
Popular in | June |
Cheapest in | September |
Average price | $410 |
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 June 9, 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 - ISP
MCIISP
Kansas City
Fri 7/10
6:05 pm-11:40 pm
1 stop4h 35m
Islip Long Island
Tue 7/14
8:55 am-3:30 pm
1 stop7h 35m
$427
Kansas CityIslip
MCI - ISP
MCIISP
Kansas City
Fri 7/17
12:20 pm-11:45 pm
2 stops10h 25m
Islip Long Island
Tue 7/21
4:40 pm-11:30 pm
2 stops7h 50m
$437
Kansas CityIslip
MCI - ISP
MCIISP
Kansas City
Tue 8/4
3:10 pm-9:05 pm
1 stop4h 55m
Islip Long Island
Sun 8/9
7:00 am-12:35 pm
1 stop6h 35m
$467
Kansas CityIslip
MCI - ISP
MCIISP
Kansas City
Sun 6/21
10:25 am-5:20 pm
1 stop5h 55m
Islip Long Island
Thu 6/25
5:50 pm-11:40 pm
1 stop6h 50m
$597
Quickest round-trip
Kansas CityIslip
MCI - ISP
MCIISP
Kansas City
Mon 6/15
6:05 pm-11:35 pm
1 stop4h 30m
Islip Long Island
Sat 6/20
5:35 pm-10:05 pm
1 stop5h 30m
$737
Kansas CityIslip
MCI - ISP
MCIISP
Kansas City
Mon 6/15
10:00 am-5:15 pm
1 stop6h 15m
Islip Long Island
Fri 6/19
6:00 am-12:00 pm
2 stops7h 00m
$832
Cheapest one-way
Quickest one-way
Kansas CityIslip
MCI - ISP
MCIISP
Kansas City
Sun 6/21
10:25 am-5:20 pm
1 stop5h 55m
$344
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 June.
| 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 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 June 9, 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.
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
Food
7.0
Entertainment
7.5
Crew
8.6
Boarding
8.1
Comfort
8.0
Overall
7.9
Reviews
1 / 20
8.0
ExcellentLa Tracimeldamarcos,Jun 2026
LAX - SLC
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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Other flights to Islip
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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 2,558,603 searches. Data last updated June 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$294 | Average$475 | FlexibilityNo cancel fee | On-time63% |