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Sioux Falls

$86+ Cheap flights from Washington to Sioux Falls (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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Aug 23 — Aug 301
Sat 8/23
Sat 8/30
1 adult, Economy
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Cheap flight deals from Washington to Sioux Falls

Keep the following information in mind while searching for Washington to Sioux Falls flight deals. Data was last updated August 18, 2025.

Round-trip from

$165
(Expedia)

One-way from

$86
(FlightHub)

Popular in

December

Cheapest in

January

Average price

$439
From Washington to Sioux Falls Joe Foss Field
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One-way flight from Washington to Sioux Falls Joe Foss Field
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Washington to Sioux Falls

Cheapest flights from Washington to Sioux Falls
Explore the most affordable flight options available from Washington to Sioux Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 18, 2025.

This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/156:05 amPDX - FSD
1 stop6h 04mFrontier
Mon 9/222:54 pmFSD - PDX
1 stop11h 18mFrontier
Deal found 8/18$165
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1512:43 pmPDX - FSD
1 stop23h 41mFrontier
Sun 10/192:23 pmFSD - PDX
1 stop23h 25mFrontier
Deal found 8/16$174
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/161:02 pmSEA - FSD
1 stop27h 31mFrontier
Thu 10/233:19 pmFSD - SEA
1 stop18h 14mFrontier
Deal found 8/17$190
This Expedia deal was found by Cheapflights users on 8/16. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/246:27 amPDX - FSD
1 stop4h 56mFrontier
Mon 8/252:08 pmFSD - PDX
1 stop12h 07mFrontier
Deal found 8/16$199
This FlightHub deal was found by Cheapflights users on 8/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/812:43 pmPDX - FSD
1 stop23h 41mFrontier
Mon 10/137:28 pmFSD - PDX
1 stop18h 20mFrontier
Deal found 8/16$204
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:52 pmPDX - FSD
1 stop22h 46mFrontier
Sun 11/162:23 pmFSD - PDX
2 stops26h 08mFrontier
Deal found 8/17$205
This Orbitz deal was found by Cheapflights users on 8/16. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/226:12 amSEA - FSD
1 stop5h 57mFrontier
Mon 9/292:54 pmFSD - SEA
1 stop11h 36mFrontier
Deal found 8/16$210
This FlightHub deal was found by Cheapflights users on 8/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:18 pmPDX - FSD
1 stop23h 05mFrontier
Mon 8/252:08 pmFSD - PDX
1 stop12h 07mFrontier
Deal found 8/15$223
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/56:12 amSEA - FSD
1 stop5h 57mFrontier
Mon 9/82:54 pmFSD - SEA
1 stop11h 36mFrontier
Deal found 8/17$226
This Expedia deal was found by Cheapflights users on 8/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/226:27 amPDX - FSD
1 stop4h 56mFrontier
Mon 9/222:54 pmFSD - PDX
1 stop11h 18mFrontier
Deal found 8/18$228
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/912:43 pmPDX - FSD
1 stop27h 50mFrontier
Mon 10/137:28 pmFSD - PDX
1 stop18h 20mFrontier
Deal found 8/17$229
This FlightHub deal was found by Cheapflights users on 8/17. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/216:27 amPDX - FSD
1 stop4h 56mFrontier
Sun 8/242:08 pmFSD - PDX
1 stop23h 15mFrontier
Deal found 8/17$231

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 August 18, 2025.
Use the filters below to find and compare flights from Washington to Sioux Falls that are best for you.

Fly from

Washington

Fly to

Sioux Falls

Route

Depart

Return

Price

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Mon 9/15

6:05 am-2:09 pm

1 stop6h 04m

Sioux Falls Joe Foss Field

Mon 9/22

2:54 pm-12:12 am

1 stop11h 18m

$165

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 11/8

12:52 pm-1:38 pm

1 stop22h 46m

Sioux Falls Joe Foss Field

Sun 11/16

2:23 pm-11:56 am

1 stop23h 33m

$174

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 10/15

12:43 pm-2:24 pm

1 stop23h 41m

Sioux Falls Joe Foss Field

Sun 10/19

2:23 pm-11:48 am

1 stop23h 25m

$174

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 10/16

1:02 pm-6:33 pm

1 stop27h 31m

Sioux Falls Joe Foss Field

Thu 10/23

3:19 pm-7:33 am

1 stop18h 14m

$190

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Wed 10/8

12:43 pm-2:24 pm

1 stop23h 41m

Sioux Falls Joe Foss Field

Mon 10/13

7:28 pm-11:48 am

1 stop18h 20m

$204

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Mon 9/22

6:12 am-2:09 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

Mon 9/29

2:54 pm-12:30 am

1 stop11h 36m

$210

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 9/5

6:12 am-2:09 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

Mon 9/8

2:54 pm-12:30 am

1 stop11h 36m

$226

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 10/9

12:43 pm-6:33 pm

1 stop27h 50m

Sioux Falls Joe Foss Field

Mon 10/13

7:28 pm-11:48 am

1 stop18h 20m

$229

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 10/23

12:43 pm-6:33 pm

1 stop27h 50m

Sioux Falls Joe Foss Field

Sun 10/26

2:23 pm-11:48 am

1 stop23h 25m

$236

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 9/26

6:12 am-2:09 pm

1 stop5h 57m

Sioux Falls Joe Foss Field

Fri 10/3

2:54 pm-12:30 am

1 stop11h 36m

$249

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 37 results
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Best time to book a flight from Washington to Sioux Falls

Have a flexible travel schedule? Discover the best time to fly to Sioux Falls from Washington 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 Washington to Sioux Falls

What is the cheapest month to book a flight from State of Washington to Sioux Falls?

Currently, September is the cheapest month in which you can book a flight from State of Washington to Sioux Falls (average of $334). Flying from State of Washington 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.

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

Find hourly flight availability from Washington to Sioux Falls. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

When flying from State of Washington to Sioux Falls, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Washington to Sioux Falls. 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 into for flights to Sioux Falls from Washington?

    Sioux Falls Joe Foss Field (FSD) is the airport you will fly into if you book a flight from Washington to Sioux Falls. It is only a 2.6 mi journey from Joe Foss Field (FSD) to Sioux Falls’s city center.

  • How long is the flight from State of Washington to Sioux Falls?

    Airlines like Frontier, American Airlines, and Delta fly from State of Washington to Sioux Falls in about 6h 04m. The time it takes to get you to your destination can typically vary by up to 2h 41m. Airlines will cover a distance of 1273 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from State of Washington to Sioux Falls one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $86. Delta flights start at $126 while deals on United Airlines start at $205 one-way.

  • What are the most popular routes from State of Washington to Sioux Falls?

    The most popular route from State of Washington to Sioux Falls is Seattle/Tacoma Intl - Sioux Falls Joe Foss Field. You may also consider Portland - Sioux Falls Joe Foss Field or Spokane - Sioux Falls Joe Foss Field.

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

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

  • How can I find direct flights from Washington to Sioux Falls?

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Sioux Falls?

    Currently, September is the cheapest month in which you can book a flight from State of Washington to Sioux Falls (average of $334). Flying from State of Washington 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

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Alternative routes for Washington to Sioux Falls

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Top 4 airlines flying from Washington to Sioux Falls

Discover the top 4 airlines that operate flights from Washington to Sioux Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$128Average$354FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$254Average$351FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$290Average$525FlexibilityNo cancel feeOn-time69%

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