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$525+ Cheap flights from New Windsor to Sioux Falls (SWF - FSD)

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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
SWF — FSD
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
1 adult, Economy
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Cheap flight deals from Stewart to Sioux Falls

Discover tips and strategies to find the most affordable flight options for your journey from Stewart (SWF) to Sioux Falls (FSD). 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 October 2, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$534
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$397
Provider with most accurate pricing for New Windsor Stewart-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for New Windsor Stewart-Sioux Falls Joe Foss Field flights.
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From New Windsor Stewart to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 14% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Stewart to Sioux Falls

Cheapest flights from Stewart to Sioux Falls
Explore the most affordable flight options available from Stewart to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Wed 12/245:34 pmSWF - FSD
1 stop21h 57mAllegiant Air
Tue 12/307:13 pmFSD - SWF
1 stop13h 37mAllegiant Air
Deal found 9/30$525
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Thu 10/167:11 pmSWF - FSD
1 stop15h 07mAllegiant Air
Mon 10/2010:08 amFSD - SWF
1 stop23h 18mAllegiant Air
Deal found 9/30$529
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Mon 12/225:28 pmSWF - FSD
1 stop25h 57mAllegiant Air
Tue 12/307:13 pmFSD - SWF
1 stop13h 37mAllegiant Air
Deal found 9/30$555
This Kiwi.com deal was found by Cheapflights users on 10/1. 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.
Tue 11/2511:36 amSWF - FSD
1 stop30h 28mAllegiant Air
Sun 11/3010:33 amFSD - SWF
1 stop21h 33mAllegiant Air
Deal found 10/1$564
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Wed 12/245:34 pmSWF - FSD
1 stop21h 57mAllegiant Air
Mon 12/296:51 pmFSD - SWF
1 stop20h 09mAllegiant Air
Deal found 9/30$565
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Mon 12/225:28 pmSWF - FSD
1 stop25h 57mAllegiant Air
Mon 12/296:51 pmFSD - SWF
1 stop20h 09mAllegiant Air
Deal found 9/30$594
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Tue 12/234:50 pmSWF - FSD
1 stop17h 17mAllegiant Air
Tue 12/307:13 pmFSD - SWF
1 stop13h 37mAllegiant Air
Deal found 9/30$629
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Wed 12/245:34 pmSWF - FSD
1 stop21h 57mMultiple Airlines
Thu 1/13:21 pmFSD - SWF
2 stops19h 23mMultiple Airlines
Deal found 9/30$657
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Tue 12/234:50 pmSWF - FSD
1 stop17h 17mAllegiant Air
Mon 12/296:51 pmFSD - SWF
1 stop20h 09mAllegiant Air
Deal found 9/30$668
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Mon 12/225:28 pmSWF - FSD
1 stop25h 57mMultiple Airlines
Thu 1/13:21 pmFSD - SWF
2 stops19h 23mMultiple Airlines
Deal found 9/30$687
This Kiwi.com deal was found by Cheapflights users on 9/30. 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.
Tue 12/234:50 pmSWF - FSD
1 stop17h 17mMultiple Airlines
Thu 1/13:21 pmFSD - SWF
2 stops19h 23mMultiple Airlines
Deal found 9/30$761

Cheapflights Fare Finder

 
Customize your flight search to find flights from Stewart to Sioux Falls 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 October 2, 2025.
Use the filters below to find and compare flights from New Windsor to Sioux Falls that are best for you.

Fly from

Stewart

Fly to

Sioux Falls

Route

Depart

Return

Price

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Wed 12/24

5:34 pm-2:31 pm

1 stop21h 57m

Sioux Falls Joe Foss Field

Tue 12/30

7:13 pm-9:50 am

1 stop13h 37m

$525

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Thu 10/16

7:11 pm-9:18 am

1 stop15h 07m

Sioux Falls Joe Foss Field

Mon 10/20

10:08 am-10:26 am

1 stop23h 18m

$529

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Mon 12/22

5:28 pm-6:25 pm

1 stop25h 57m

Sioux Falls Joe Foss Field

Tue 12/30

7:13 pm-9:50 am

1 stop13h 37m

$555

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Tue 11/25

11:36 am-5:04 pm

1 stop30h 28m

Sioux Falls Joe Foss Field

Sun 11/30

10:33 am-9:06 am

1 stop21h 33m

$564

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Wed 12/24

5:34 pm-2:31 pm

1 stop21h 57m

Sioux Falls Joe Foss Field

Mon 12/29

6:51 pm-4:00 pm

1 stop20h 09m

$565

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Mon 12/22

5:28 pm-6:25 pm

1 stop25h 57m

Sioux Falls Joe Foss Field

Mon 12/29

6:51 pm-4:00 pm

1 stop20h 09m

$594

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Wed 12/24

5:34 pm-2:31 pm

1 stop21h 57m

Sioux Falls Joe Foss Field

Thu 1/1

3:21 pm-11:44 am

2 stops19h 23m

$657

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Tue 12/23

4:50 pm-9:07 am

1 stop17h 17m

Sioux Falls Joe Foss Field

Mon 12/29

6:51 pm-4:00 pm

1 stop20h 09m

$668

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Mon 12/22

5:28 pm-6:25 pm

1 stop25h 57m

Sioux Falls Joe Foss Field

Thu 1/1

3:21 pm-11:44 am

2 stops19h 23m

$687

New WindsorSioux Falls

SWF - FSD

SWFFSD

New Windsor Stewart

Tue 12/23

4:50 pm-9:07 am

1 stop17h 17m

Sioux Falls Joe Foss Field

Thu 1/1

3:21 pm-11:44 am

2 stops19h 23m

$761

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/30

  • Most accurate provider: When it comes to deals on New Windsor-Sioux Falls flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on New Windsor-Sioux Falls flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from New Windsor-Sioux Falls flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on New Windsor-Sioux Falls flights, Cheapflights users trust Expedia the most. Expedia 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 New Windsor-Sioux Falls 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 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

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.

  • How long is the flight from New Windsor to Sioux Falls?

    Departing from New Windsor to Sioux Falls will take you 21h 57m. The distance between New Windsor and Sioux Falls is about 1157 mi.

  • 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.

See more FAQs

Traveling to a place near Sioux Falls?

Book flights to Sioux Falls if you plan to visit one of these locations
Marshall

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