In terms of precipitation, rainfall in Sioux Falls ranges from 0.6 - 3.9 inches per month. June is typically the wettest month, when rainfall can reach 3.9 in. January is typically the driest time to visit Sioux Falls when rainfall is around 0.6 in.

If weather is an important factor for your trip to Sioux Falls, 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 15.8 F).

How far in advance should I book a flight from New Windsor to Sioux Falls?

Users have found that booking a flight from New Windsor to Sioux Falls at least 16 days early can save you up to 107% on average compared to booking a flight this week. If booking 16 days before your flight isn’t an option for you, users have found flights from New Windsor to Sioux Falls for as little as $338 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $398 for flights departing within the next 3 days.

What is the cheapest month to fly from New Windsor to Sioux Falls?

Our data shows that September tends to be the cheapest month to fly to Sioux Falls from New Windsor. Users have commonly found prices around $427 for the month, but tickets can be as low as $192. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from SWF to FSD?

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

Can I find deals for flights from Stewart to Sioux Falls that include hotel bookings?

Yes. In addition to deals on Stewart to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Stewart to Sioux Falls?

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

Can I find deals for business class flights from Stewart to Sioux Falls?

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

$181+ Cheap Flights from New Windsor to Sioux Falls

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Cheap flight deals from Stewart to Sioux Falls

Popular in	December
Cheapest in	September
Average price	$466

Highest demand for flights based on searches. 8% potential increase in price ($39 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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One-way flights from Stewart to Sioux Falls
Search for one-way flight options from Stewart to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Thu 10/97:11 pmSWF - FSD

1 stop15h 07mAllegiant Air

Deal found 8/17

$181

Sun 10/127:11 pmSWF - FSD

1 stop15h 07mAllegiant Air

Deal found 8/17

$228

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Thu 10/9

7:11 pm-9:18 am

1 stop15h 07m

$181

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Sun 10/12

7:11 pm-9:18 am

1 stop15h 07m

$228

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Best time to book a flight from Stewart to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Stewart 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 New Windsor to Sioux Falls

What is the cheapest month to book a flight from New Windsor to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from New Windsor to Sioux Falls (average of $334). Flying from New Windsor to Sioux Falls in December is currently the most expensive (average of $446). 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.

Related info for your journey

Can I find deals for flights from Stewart to Sioux Falls that include hotel bookings?
Yes. In addition to deals on Stewart to Sioux Falls flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Stewart to Sioux Falls?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stewart to Sioux Falls.
Can I find deals for business class flights from Stewart to Sioux Falls?
Yes. Cheapflights offers flight deals from Stewart to Sioux Falls 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 New Windsor to Sioux Falls?
Currently, September is the cheapest month in which you can book a flight from New Windsor to Sioux Falls (average of $334). Flying from New Windsor to Sioux Falls in December is currently the most expensive (average of $446). 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.

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$181+ Cheap flights from New Windsor to Sioux Falls (SWF - FSD)

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Stewart to Sioux Falls with Cheapflights

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Cheap flight deals from Stewart to Sioux Falls

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One-way flights from Stewart to Sioux FallsSearch for one-way flight options from Stewart to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Search for one-way flight options from Stewart to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Stewart to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Stewart with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from New Windsor to Sioux Falls

What is the cheapest month to book a flight from New Windsor to Sioux Falls?

Related info for your journey

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

Can I find deals for flights from Stewart to Sioux Falls that include hotel bookings?

How can I find direct flights from Stewart to Sioux Falls?

Can I find deals for business class flights from Stewart to Sioux Falls?

What is the cheapest month to book a flight from New Windsor to Sioux Falls?

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 Stewart to Sioux Falls

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One-way flights from Stewart to Sioux Falls
Search for one-way flight options from Stewart to Sioux Falls. Find affordable one-way fares based on user searches. Data last updated August 20, 2025.