What is the cheapest airline to fly from Kansas City to Islip, New York round-trip?

Southwest, at $302, was found to be the cheapest airline from Kansas City to Islip, New York..

What is the cheapest day to fly from Kansas City to Islip, New York?

Travelers seeking maximum savings on their Kansas City to Islip, New York flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Wednesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

How far in advance should I book a flight from Kansas City to Islip, New York?

To save up to 57% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Kansas City to Islip, New York from $259 1-2 weeks out and tickets from $413 for flights departing within the next 72 hours.

What is the cheapest month to fly from Kansas City to Islip, New York?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, September can be a great choice for travel to Islip, New York. Flights to Islip, New York from Kansas City in September are about $297 on average during September, but can be found for as low as $66.

What is the cheapest time of day to fly from MCI to ISP?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kansas City to Islip, New York as you normally would.

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 eDreams the most. eDreams 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.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Kansas City to Islip by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$143+ Flights from Kansas City to Islip, NY

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

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 Kansas City to Islip

Most accurate provider	FlightHub 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$302 (Southwest)
One-way from	$143 (Southwest)
Popular in	December
Cheapest in	September
Average price	$287

Provider with most accurate pricing for Kansas City-Islip Long Island flight deals.

Search Deals

Provider most trusted by Cheapflights users for Kansas City-Islip Long Island flights.

Search Deals

From Kansas City to Islip Long Island

Search Deals

One-way flight from Kansas City to Islip Long Island

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($57 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Kansas City to Islip

Cheapest flights from Kansas City to Islip
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 April 17, 2025.

Wed 6/44:45 pmMCI - ISP

1 stop5h 05mSouthwest

Wed 6/116:00 amISP - MCI

1 stop5h 10mSouthwest

Deal found 4/16

$302

Wed 6/45:46 amMCI - ISP

3 stops36h 13mMultiple Airlines

Wed 6/112:12 pmISP - MCI

3 stops29h 32mMultiple Airlines

Deal found 4/16

$632

Best flights from Kansas City to Islip
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 April 17, 2025.

Wed 6/44:45 pmMCI - ISP

1 stop5h 05mSouthwest

Wed 6/116:00 amISP - MCI

1 stop5h 10mSouthwest

Deal found 4/16

$302

Wed 6/45:46 amMCI - ISP

3 stops36h 13mMultiple Airlines

Wed 6/112:12 pmISP - MCI

3 stops29h 32mMultiple Airlines

Deal found 4/16

$632

Last-minute flights from Kansas City to Islip
Discover last-minute flight deals from Kansas City to Islip. Data last updated April 17, 2025 and is based on user searches.

Thu 4/172:20 pmMCI - ISP

1 stop5h 00mSouthwest

Fri 4/185:40 amISP - MCI

1 stop5h 55mSouthwest

Deal found 4/16

$927

One-way flights from Kansas City to Islip
Search for one-way flight options from Kansas City to Islip. Find affordable one-way fares based on user searches. Data last updated April 17, 2025.

Wed 5/144:45 pmMCI - ISP

1 stop5h 05mSouthwest

Deal found 4/16

$143

Thu 5/155:46 amMCI - ISP

2 stops27h 18mMultiple Airlines

Deal found 4/16

$225

Cheapflights Fare Finder

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

Price

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Wed 6/4

4:45 pm-10:50 pm

1 stop5h 05m

Islip Long Island

Wed 6/11

6:00 am-10:10 am

1 stop5h 10m

$302

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Wed 6/4

5:46 am-6:59 pm

3 stops36h 13m

Islip Long Island

Wed 6/11

2:12 pm-6:44 pm

3 stops29h 32m

$632

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Wed 5/14

4:45 pm-10:50 pm

1 stop5h 05m

$143

Kansas CityIslip

MCI - ISP

MCIISP

Kansas City

Thu 5/15

5:46 am-10:04 am

2 stops27h 18m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Compare providers for flights from Kansas City to Islip

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 April.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

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 eDreams the most. eDreams 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.

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 Kansas City to Islip

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

Currently, January is the cheapest month in which you can book a flight from Kansas City to Islip, New York (average of $108). Flying from Kansas City to Islip, New York in November is currently the most expensive (average of $213). 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.

Rainfall in Islip by month

In terms of precipitation, rainfall in Islip, New York ranges from 3.3 - 4.4 inches per month. March is typically the wettest month, when rainfall can reach 4.4 in. February is typically the driest time to visit Islip, New York when rainfall is around 3.3 in.

Temperature in Islip by month

If weather is an important factor for your trip to Islip, New York, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Islip

Southwest

8.0

Very good

4,280 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,280 reviews

Southwest

8.0

Very good

4,280 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

What is the cheapest airline to fly from Kansas City to Islip, New York round-trip?
Southwest, at $302, was found to be the cheapest airline from Kansas City to Islip, New York..
Can I find deals for flights from Kansas City to Islip that include hotel bookings?
Yes. In addition to deals on Kansas City to Islip flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kansas City to Islip?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Islip.
Can I find deals for business class flights from Kansas City to Islip?
Yes. Cheapflights offers flight deals from Kansas City to Islip 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 Kansas City to Islip, New York?
Currently, January is the cheapest month in which you can book a flight from Kansas City to Islip, New York (average of $108). Flying from Kansas City to Islip, New York in November is currently the most expensive (average of $213). 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

Southampton

Riverhead

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Kansas City to Islip

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$372	Average$407	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$143+ 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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansas City to Islip with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansas City to Islip

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Islip

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 April 17, 2025.

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 April 17, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Islip that are best for you.

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 April.

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.

Cheapflights Insights

Everything you need to know about your flight from Kansas City to Islip

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

Rainfall in Islip by month

Plan your trip to Islip by taking into account the average rainfall totals by month.

Temperature in Islip by month

Plan your trip to Islip by taking into account the average temperature totals by month.

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 April 17, 2025.

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.

What is the cheapest airline to fly from Kansas City to Islip, New York round-trip?

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

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

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

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

Traveling to a place near Kansas City?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansas City to Islip

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Kansas City to Islip

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Kansas City to Islip
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 April 17, 2025.