HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Missouri

$70+ Cheap flights from Islip (ISP) to Missouri

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — STL
Nov 19 — Nov 261
1 adult
Tue 11/19
Tue 11/26
We work with more than 300 partners to bring you better travel deals

...and more

Find cheap flights from Islip to Missouri 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 Islip to Missouri

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Missouri (USMO). 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 November 14, 2024.

Find flight deals from Islip to Missouri

Cheapest flights from Islip to Missouri
Explore the most affordable flight options available from Islip to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 14, 2024.

This Mytrip deal was found by Cheapflights users on 11/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1711:25 amISP - STL
1 stop24h 19mFrontier
Fri 12/205:45 pmSTL - ISP
1 stop13h 05mFrontier
Deal found 11/13$146
This Southwest deal was found by Cheapflights users on 11/13. 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.
Thu 11/285:30 amISP - MCI
2 stops6h 35mSouthwest
Sun 12/15:50 amMCI - ISP
1 stop5h 50mSouthwest
Deal found 11/13$647
This KAYAK deal was found by Cheapflights users on 11/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2012:10 pmISP - STL
1 stop8h 20mSouthwest
Fri 11/225:50 amSTL - ISP
1 stop4h 45mSouthwest
Deal found 11/14$795

Find flights from Islip to Missouri within your budget

Customize your flight search to find flights from Islip to Missouri 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 2,752,363 searches. Data last updated November 14, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Fri 1/17

12:43 pm-11:31 pm

1 stop11h 48m

Lambert-St Louis

Wed 1/22

5:05 pm-11:43 am

1 stop17h 38m

$122

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Thu 1/16

10:40 am-5:40 pm

1 stop8h 00m

Lambert-St Louis

Tue 1/21

3:35 pm-10:15 pm

1 stop5h 40m

$345

IslipKansas City

ISP - MCI

ISPMCI

Islip Long Island

Thu 11/28

5:30 am-11:05 am

2 stops6h 35m

Kansas City

Sun 12/1

5:50 am-12:40 pm

1 stop5h 50m

$647

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Fri 1/24

12:43 pm-11:31 pm

1 stop11h 48m

$70

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Fri 12/13

5:35 am-2:15 pm

2 stops9h 40m

$198

IslipSt. Louis

ISP - STL

ISPSTL

Islip Long Island

Fri 12/13

3:05 pm-3:21 pm

3 stops25h 16m

$222

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/14

Best time to book a flight from Islip to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri 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.

Travel insights for flights from Islip to Missouri

Get recent, data-driven insights about flights from Islip to Missouri including ideal travel times, pricing trends, and more.

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

Currently, September is the cheapest month in which you can book a flight from Islip, New York to Missouri (average of $308). Flying from Islip, New York to Missouri in March is currently the most expensive (average of $357). 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.

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

Find hourly flight availability from Islip to Missouri. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 14, 2024.

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

Rainfall in Missouri by month

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

In terms of precipitation, rainfall in Missouri ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Missouri when rainfall is around 1.1 in.

Temperature in Missouri by month

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

If weather is an important factor for your trip to Missouri, 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 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing Missouri

Get insights into the airlines that provide service to Missouri. 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 Missouri. Reviews last updated November 14, 2024.
Southwest
8.1
Very good
5,045 reviews

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,045 reviews
Southwest
8.1
Very good
5,045 reviews

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Frontier
6.1
Okay
3,551 reviews
Southwest
8.1
Very good
5,045 reviews

Overall

8.1

Boarding

8.3

Crew

8.7

Food

7.2

Comfort

8.1

Entertainment

7.7

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Islip to Missouri. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Islip to Missouri?

    If you book a flight to Missouri from Islip, you will be flying from Long Island, which is the city’s only airport. Islip Long Island (ISP) is located 7.2 mi from the center of Islip.

  • What are the most popular routes from Islip, New York to Missouri?

    While some choose either Islip Long Island - Lambert-St Louis or Islip Long Island - Joplin, Islip Long Island - Kansas City is the most popular route from Islip, New York to Missouri.

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

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

  • How can I find direct flights from Islip to Missouri?

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

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

    Yes. Cheapflights offers flight deals from Islip to Missouri 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, New York to Missouri?

    Currently, September is the cheapest month in which you can book a flight from Islip, New York to Missouri (average of $308). Flying from Islip, New York to Missouri in March is currently the most expensive (average of $357). 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

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 Islip to Missouri

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Miami flights
Newark to Fort Lauderdale flights
LaGuardia to Fort Lauderdale flights
LaGuardia to Miami flights
John F Kennedy Intl to Los Angeles flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Miami flights
Newark to Los Angeles flights
John F Kennedy Intl to Fort Lauderdale flights
John F Kennedy Intl to Orlando flights
John F Kennedy Intl to Las Vegas flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to Dallas/Fort Worth flights
Newark to Orlando flights
John F Kennedy Intl to Atlanta flights
LaGuardia to Orlando flights
John F Kennedy Intl to San Francisco flights
LaGuardia to Los Angeles flights
LaGuardia to Hobby flights
Newark to Las Vegas flights
Newark to O'Hare Intl flights
Newark to Hobby flights
John F Kennedy Intl to West Palm Beach flights
LaGuardia to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Hobby flights
John F Kennedy Intl to Denver flights
Newark to San Francisco flights
John F Kennedy Intl to Sky Harbor Intl flights
LaGuardia to Tampa flights
Newark to Tampa flights
LaGuardia to Atlanta flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Seattle flights
LaGuardia to Las Vegas flights
LaGuardia to Denver flights
Newark to Atlanta flights
Newark to West Palm Beach flights
Newark to Santa Ana flights
Newark to Sky Harbor Intl flights
John F Kennedy Intl to Tampa flights
LaGuardia to George Bush Intcntl flights
LaGuardia to New Orleans flights
John F Kennedy Intl to Salt Lake City flights
Newark to George Bush Intcntl flights
John F Kennedy Intl to Austin flights
John F Kennedy Intl to George Bush Intcntl flights
LaGuardia to San Francisco flights
John F Kennedy Intl to Honolulu flights
John F Kennedy Intl to San Diego flights
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.
View all available airlines