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Des Moines

$609+ Cheap flights from Islip, NY to Des Moines (ISP - DSM)

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 8/8. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — DSM
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Cheap flight deals from Islip to Des Moines

Cheapest flights from Islip to Des Moines
Explore the most affordable flight options available from Islip to Des Moines. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 27, 2026.

This Southwest deal was found by Cheapflights users on 7/24. 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.
Sat 8/85:30 am
ISP
-
DSM
2 stops14h 55m
Southwest
Wed 8/126:10 am
DSM
-
ISP
2 stops9h 45m
Southwest
Deal found 7/24$609
This Southwest deal was found by Cheapflights users on 7/26. 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.
Sat 8/155:30 am
ISP
-
DSM
2 stops14h 55m
Southwest
Wed 8/197:15 am
DSM
-
ISP
2 stops12h 50m
Southwest
Deal found 7/26$615
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sat 8/83:10 pm
ISP
-
DSM
1 stop24h 08m
Multiple Airlines
Wed 8/122:19 pm
DSM
-
ISP
2 stops42h 34m
Multiple Airlines
Deal found 7/24$1,018
This United deal was found by Cheapflights users on 7/26. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/159:05 am
ISP
-
DSM
2 stops26h 21m
Multiple Airlines
Wed 8/196:00 am
DSM
-
ISP
3 stops30h 30m
Multiple Airlines
Deal found 7/26$1,091

Find flight deals from Islip to Des Moines

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Des Moines (DSM). 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 July 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$609
(Southwest)

Popular in

January

Cheapest in

September

Average price

$436
Provider with most accurate pricing for New York (NYC)-Des Moines flight deals.
Search Deals
Provider most trusted by Cheapflights users for New York (NYC)-Des Moines flights.
Search Deals
From Islip Long Island to Des Moines
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip to Des Moines 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 July 27, 2026.
Use the filters below to find and compare flights from Islip to Des Moines that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

IslipDes Moines

ISP - DSM

ISPDSM

Islip Long Island

Sat 8/8

5:30 am-7:25 pm

2 stops14h 55m

Des Moines

Wed 8/12

6:10 am-4:55 pm

2 stops9h 45m

$609

IslipDes Moines

ISP - DSM

ISPDSM

Islip Long Island

Sat 8/15

5:30 am-7:25 pm

2 stops14h 55m

Des Moines

Wed 8/19

7:15 am-9:05 pm

2 stops12h 50m

$615

IslipDes Moines

ISP - DSM

ISPDSM

Islip Long Island

Sat 8/8

3:10 pm-2:18 pm

1 stop24h 08m

Des Moines

Wed 8/12

2:19 pm-9:53 am

2 stops42h 34m

$1,018

IslipDes Moines

ISP - DSM

ISPDSM

Islip Long Island

Sat 8/15

9:05 am-10:26 am

2 stops26h 21m

Des Moines

Wed 8/19

6:00 am-1:30 pm

3 stops30h 30m

$1,091

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/24

Sorted by cheapest first

Best time to book a flight from Islip to Des Moines

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

Related info for your journey

Find useful and relevant information for your journey from Islip to Des Moines. 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, New York to Des Moines?

    Departing from Islip, New York to Des Moines will take you 14h 55m. Islip, New York and Des Moines are separated by a distance of 1067 mi.

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

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

  • How can I find direct flights from Islip to Des Moines?

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

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

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

See more FAQs

Traveling to a place near Des Moines?

Book flights to Des Moines if you plan to visit one of these locations
Altoona
Ames
Clive
Johnston
Boone
West Des Moines
Ankeny

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