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$292+ Cheap flights from Islip 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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — MCI
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap 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 15, 2025.

Round-trip from

$292
(Frontier)

Popular in

January

Cheapest in

October

Average price

$348
From Islip Long Island to Kansas City
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($48 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
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Find flight deals from Islip to Kansas City

Cheapest flights from Islip to Kansas City
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 15, 2025.

This Frontier deal was found by Cheapflights users on 9/15. 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.
Sun 10/129:47 pmISP - MCI
2 stops13h 55mFrontier
Fri 10/1711:37 amMCI - ISP
2 stops22h 00mFrontier
Deal found 9/15$292
This Southwest deal was found by Cheapflights users on 9/13. 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 11/55:40 amISP - MCI
1 stop6h 55mSouthwest
Sun 11/95:25 amMCI - ISP
1 stop6h 25mSouthwest
Deal found 9/13$352
This Southwest deal was found by Cheapflights users on 9/14. 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 12/185:30 pmISP - MCI
1 stop7h 35mSouthwest
Sun 12/215:20 amMCI - ISP
1 stop5h 35mSouthwest
Deal found 9/14$387
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 9/2111:25 amISP - MCI
1 stop12h 42mMultiple Airlines
Sun 9/285:15 amMCI - ISP
1 stop28h 25mMultiple Airlines
Deal found 9/14$420
This Southwest deal was found by Cheapflights users on 9/15. 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 12/195:40 amISP - MCI
1 stop5h 40mSouthwest
Sat 12/275:50 pmMCI - ISP
1 stop5h 05mSouthwest
Deal found 9/15$477

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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Islip to Kansas City that are best for you.

Fly from

Islip

Fly to

Kansas City

Route

Depart

Return

Price

IslipKansas City

ISP - MCI

ISPMCI

Islip Long Island

Sun 10/12

9:47 pm-10:42 am

2 stops13h 55m

Kansas City

Fri 10/17

11:37 am-10:37 am

2 stops22h 00m

$292

IslipKansas City

ISP - MCI

ISPMCI

Islip Long Island

Wed 11/5

5:40 am-11:35 am

1 stop6h 55m

Kansas City

Sun 11/9

5:25 am-12:50 pm

1 stop6h 25m

$352

IslipKansas City

ISP - MCI

ISPMCI

Islip Long Island

Sat 2/21

1:10 pm-10:05 pm

2 stops9h 55m

Kansas City

Sun 2/22

5:55 am-12:15 pm

1 stop5h 20m

$372

IslipKansas City

ISP - MCI

ISPMCI

Islip Long Island

Fri 2/27

5:35 am-12:45 pm

1 stop8h 10m

Kansas City

Sun 3/1

6:05 pm-11:30 pm

1 stop4h 25m

$377

IslipKansas City

ISP - MCI

ISPMCI

Islip Long Island

Thu 12/18

5:30 pm-12:05 am

1 stop7h 35m

Kansas City

Sun 12/21

5:20 am-11:55 am

1 stop5h 35m

$387

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

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.
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 Islip to Kansas City

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

Currently, January is the cheapest month in which you can book a flight from Islip to Kansas City (average of $298). Flying from Islip to Kansas City in June is currently the most expensive (average of $352). 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.

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.

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

    A quick flight from Islip to Kansas City can take about 6h 55m. Frontier provides one of the quickest options available for as low as $352. There are 1145 mi between Islip and Kansas City. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip to Kansas City 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 Islip to Kansas City?

    Currently, January is the cheapest month in which you can book a flight from Islip to Kansas City (average of $298). Flying from Islip to Kansas City in June is currently the most expensive (average of $352). 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 Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Shawnee
Lee's Summit
Belton
Warrensburg
North Kansas City
Liberty
Kansas City
Overland Park
Lenexa
Lansing
Lawrence
Olathe

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