What airlines fly to Sioux Falls?

American Airlines, Delta and United Airlines are the top three most popular airlines that fly to Sioux Falls from Islip, New York according to our data. American Airlines is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sioux Falls. Keep in mind that there are 3 different airlines that fly to Sioux Falls on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport?

Prices for flights from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport refresh daily.

How old do you have to be to fly from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport.

What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?

The necessary travel and health documents for your Sioux Falls Joe Foss Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$809 Cheap Flights from Islip to Sioux Falls in 2025/26

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0 bags

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Find the cheapest flights from Islip, New York to Sioux Falls

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12:40 pm - 9:50 pmISP-FSD

10h 10m2 stops

3:15 pm - 11:04 amFSD-ISP

18h 49m2 stops

$809Multiple Airlines

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Tue, Dec 9 - Sat, Dec 13

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Use the filters below to find and compare flights from Islip, New York to Sioux Falls that are best for you.

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Route

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Price

IslipSioux Falls

ISP - FSD

ISPFSD

Islip Long Island

Tue 12/9

12:40 pm-9:50 pm

2 stops10h 10m

Sioux Falls Joe Foss Field

Sat 12/13

3:15 pm-11:04 am

2 stops18h 49m

$809

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How to get the cheapest flight ticket from Islip, New York to Sioux Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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What is the cheapest day to depart on your flight to Sioux Falls?

The cheapest day to depart on your flight to Sioux Falls is on a Wednesday when prices can be found for as low as $365. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Islip, New York because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $522.

What is the cheapest time of day to depart on your flight to Sioux Falls?

Our most recent data shows that the best time of day to fly to Sioux Falls is in the evening. Flights from Islip, New York to Sioux Falls during this time can be as low as $251. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $528 on average. Flights to Sioux Falls from Islip, New York at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

When to book flights from Islip, New York to Sioux Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Islip, New York to Sioux Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Islip, New York to Sioux Falls (ISP to FSD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Islip, New York to Sioux Falls

Direct flights	None

There are no direct flights from Islip, New York to Sioux Falls. There are no popular flight routes from Islip, New York to Sioux Falls.

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How far is Islip Long Island to Sioux Falls Joe Foss Field by plane?
Sioux Falls Joe Foss Field is 1215.6 mi away from Islip Long Island. Flights usually cover this in 10h 10m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport?
Prices for flights from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport refresh daily.
How old do you have to be to fly from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Islip Long Island Airport to Sioux Falls Joe Foss Field Airport.
What documentation or ID do you need to fly to Sioux Falls Joe Foss Field Airport?
The necessary travel and health documents for your Sioux Falls Joe Foss Field Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Can I find flights from Islip to Sioux Falls with flexible booking policies on momondo?

Flights from Islip to Sioux Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Islip to Sioux Falls?

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I’m not ready to book a flight from Islip to Sioux Falls right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sioux Falls from Islip. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.