$149 Cheap Flights from Islip (ISP) to Kansas City (MCI)

View $149 flight on Wed, Oct 1, 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 $149 for one-way flights and $297 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
ISP
Islip
MCI
Kansas City
$297 Roundtrip, found 6 days ago
$297
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Islip to Kansas City, returning Tue, Sep 16, priced at $297 found 6 days ago
Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
ISP
Islip
MCI
Kansas City
$302 Roundtrip, found 6 days ago
$302
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Islip to Kansas City, returning Tue, Sep 16, priced at $302 found 6 days ago
Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
ISP
Islip
MCI
Kansas City
$307 Roundtrip, found 6 days ago
$307
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Islip to Kansas City, returning Tue, Sep 16, priced at $307 found 6 days ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$342 Roundtrip, found 5 days ago
$342
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Islip to Kansas City, returning Mon, Dec 8, priced at $342 found 5 days ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$347 Roundtrip, found 5 days ago
$347
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Islip to Kansas City, returning Mon, Dec 8, priced at $347 found 5 days ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$352 Roundtrip, found 5 days ago
$352
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Islip to Kansas City, returning Mon, Dec 8, priced at $352 found 5 days ago
Southwest Airlines
Wed, Oct 1 - Sun, Oct 5
ISP
Islip
MCI
Kansas City
$357 Roundtrip, found 12 hours ago
$357
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Wed, Oct 1 from Islip to Kansas City, returning Sun, Oct 5, priced at $357 found 12 hours ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$357 Roundtrip, found 5 days ago
$357
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Islip to Kansas City, returning Mon, Dec 8, priced at $357 found 5 days ago
Southwest Airlines
Sat, Sep 13 - Tue, Sep 16
ISP
Islip
MCI
Kansas City
$362 Roundtrip, found 6 days ago
$362
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sat, Sep 13 from Islip to Kansas City, returning Tue, Sep 16, priced at $362 found 6 days ago
Southwest Airlines
Fri, Dec 5 - Mon, Dec 8
ISP
Islip
MCI
Kansas City
$362 Roundtrip, found 5 days ago
$362
Roundtrip
found 5 days ago
Select Southwest Airlines flight, departing Fri, Dec 5 from Islip to Kansas City, returning Mon, Dec 8, priced at $362 found 5 days ago

Alternative airports near Kansas City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Kansas City Intl. MCI. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $1,106
MCI
Kansas City Intl.
Cheapest
Average driving time to city center23 min
Flights from $1,106
Flights from Islip (ISP) to Kansas City (MCI)
Origin airport
MacArthur
Destination airport
Kansas City Intl.
Airlines serving
Southwest Airlines
Roundtrip price
$296
Distance
1145 mi

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 September. 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 $149 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.

 

Frequently asked questions

How much does a flight from MacArthur Airport (ISP) to Kansas City Intl. Airport (MCI) cost?
Discover the latest flight deals from ISP to MCI by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from ISP to MCI?
The cheapest flights from ISP to MCI are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
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 ISP to MCI?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from ISP to MCI. Sort your results by "Price (lowest to highest)" to snap up a great deal.
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.

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*Available to One Key members.