$164 Cheap Flights from Islip (ISP) to Kansas City (MCI)

View $164 flight on Thu, Dec 4, 2025Opens in a new window

Popular airlines from MacArthur Airport (ISP) to Kansas City International Airport (MCI)

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Cheap Flights from Islip to Kansas City (ISP-MCI)

Prices were available within the past 7 days and start at $164 for one-way flights and $327 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$327 Roundtrip, found 3 days ago
$327
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $327 found 3 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$337 Roundtrip, found 3 days ago
$337
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $337 found 3 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $342 found 3 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$347 Roundtrip, found 3 days ago
$347
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $347 found 3 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$352 Roundtrip, found 3 days ago
$352
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $352 found 3 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$357 Roundtrip, found 3 days ago
$357
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $357 found 3 days ago
Southwest Airlines
Thu, Dec 4 - Sun, Dec 7
ISP
Islip
MCI
Kansas City
$367 Roundtrip, found 2 days ago
$367
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Sun, Dec 7, priced at $367 found 2 days ago
Southwest Airlines
Wed, Dec 17 - Sat, Dec 20
ISP
Islip
MCI
Kansas City
$377 Roundtrip, found 5 days ago
$377
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Wed, Dec 17 from Islip to Kansas City, returning Sat, Dec 20, priced at $377 found 5 days ago
Southwest Airlines
Thu, Dec 4 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$387 Roundtrip, found 3 days ago
$387
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Dec 4 from Islip to Kansas City, returning Mon, Dec 8, priced at $387 found 3 days ago
Frontier Airlines
Sat, Dec 20 - Thu, Jan 8
ISP
Islip
MCI
Kansas City
$790 Roundtrip, found 1 day ago
$790
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Dec 20 from Islip to Kansas City, returning Thu, Jan 8, priced at $790 found 1 day ago

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI) cost?
Get a cheap one-way flight from $164 or cheap return flight from $327 from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI)?
Flying in December can help you save, as it's the cheapest month for flights between ISP and MCI. You'll often find the lowest fares during the off-season.
Which airlines fly direct from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI)?
You can't catch a direct flight to Kansas City Intl. Airport (MCI) from Islip, NY (ISP-MacArthur). However, you can seamlessly travel to Kansas City without any layovers by departing from John F. Kennedy Intl. Airport (JFK).
What is the cheapest airline that flies from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI)?
To find the cheapest airline that'll fly you from ISP to MCI, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI)?
Direct flights from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISP to MCI?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI)?
Select a flight from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI) that takes off before 3 PM to reduce the risk of cancellations. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI) last-minute?
Booking your plane ticket from ISP to MCI shortly before your trip is typically more expensive. However, if you're flexible with your travel times and dates, you could land a cheap last-minute fare.
Is it cheaper to book an ISP to MCI flight and hotel package?
You'll generally save money by securing an ISP to MCI flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After choosing your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI)?
In most cases, you can cancel or modify your ISP to MCI flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you'd like more information, head to our Customer Service portal.

Travel information

Origin airport
MacArthur
Destination airport
Kansas City Intl.
Airlines serving
Frontier Airlines, Southwest Airlines
Roundtrip price
$326
Distance
1145 mi

Book with confidence

Islip to Kansas City Flights

The cheapest times to fly from Islip to Kansas City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Islip to Kansas City are during the month of December. You can find some of the cheapest flights from Islip to Kansas City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Islip to Kansas City

Sunday is one of the best days to book for cheap flights from Islip to Kansas City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Islip to Kansas City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Islip to Kansas City in 2025. You can also book with separate airlines for your outbound and return journeys, from $164 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Islip to Kansas City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Islip to Kansas City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Islip to Kansas City Flights

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*Available to One Key members.