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Sioux Falls

$114+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Feb 18 — Feb 251
Wed 2/18
Wed 2/25
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 January 19, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$279
(United Airlines)

One-way from

$114
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$479
Provider with most accurate pricing for Seattle/Tacoma Intl-Sioux Falls Joe Foss Field flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sioux Falls Joe Foss Field flights.
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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. 17% potential increase in price ($92 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 19, 2026.

This United Airlines deal was found by Cheapflights users on 1/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/125:00 am
GEG
-
FSD
1 stop5h 44m
United Airlines
Tue 6/29:14 am
FSD
-
GEG
1 stop5h 26m
United Airlines
Deal found 1/17$279
This Delta deal was found by Cheapflights users on 1/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/412:40 am
PDX
-
FSD
1 stop7h 28m
Delta
Tue 3/108:00 am
FSD
-
PDX
1 stop6h 48m
Delta
Deal found 1/18$289
This Delta deal was found by Cheapflights users on 1/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/12:15 pm
GEG
-
FSD
1 stop6h 49m
Delta
Mon 4/68:00 am
FSD
-
GEG
1 stop7h 10m
Delta
Deal found 1/18$294
This Delta deal was found by Cheapflights users on 1/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/71:53 pm
PDX
-
FSD
1 stop7h 11m
Delta
Sat 2/144:19 pm
FSD
-
PDX
1 stop6h 11m
Delta
Deal found 1/18$295
This American Airlines deal was found by Cheapflights users on 1/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:07 am
SEA
-
FSD
1 stop9h 31m
American Airlines
Wed 3/185:21 pm
FSD
-
SEA
1 stop9h 34m
American Airlines
Deal found 1/17$314
This United Airlines deal was found by Cheapflights users on 1/19. 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 Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/63:45 pm
PDX
-
FSD
1 stop5h 59m
United Airlines
Sat 2/711:22 am
FSD
-
PDX
1 stop9h 34m
United Airlines
Deal found 1/19$335
This United Airlines deal was found by Cheapflights users on 1/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:00 am
PDX
-
FSD
1 stop7h 46m
United Airlines
Wed 6/105:00 pm
FSD
-
PDX
1 stop7h 38m
United Airlines
Deal found 1/17$338
This United Airlines deal was found by Cheapflights users on 1/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/311:24 pm
PDX
-
FSD
1 stop5h 00m
United Airlines
Tue 2/35:18 pm
FSD
-
PDX
1 stop5h 54m
United Airlines
Deal found 1/17$339
This United Airlines deal was found by Cheapflights users on 1/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/58:30 am
PDX
-
FSD
2 stops11h 33m
United Airlines
Tue 3/105:45 am
FSD
-
PDX
2 stops8h 48m
United Airlines
Deal found 1/18$347
This Delta deal was found by Cheapflights users on 1/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/311:39 pm
PDX
-
FSD
2 stops7h 25m
Delta
Tue 2/34:18 pm
FSD
-
PDX
2 stops9h 59m
Delta
Deal found 1/17$350
This Delta deal was found by Cheapflights users on 1/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/246:30 am
GEG
-
FSD
1 stop7h 07m
Delta
Sat 1/314:17 pm
FSD
-
GEG
1 stop5h 37m
Delta
Deal found 1/16$354
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/205:05 am
SEA
-
FSD
1 stop5h 39m
United Airlines
Thu 5/286:00 am
FSD
-
SEA
1 stop5h 59m
United Airlines
Deal found 1/16$371

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 January 19, 2026.
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

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Tue 5/12

5:00 am-12:44 pm

1 stop5h 44m

Sioux Falls Joe Foss Field

Tue 6/2

9:14 am-12:40 pm

1 stop5h 26m

$279

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 5/29

1:45 pm-12:06 am

1 stop8h 21m

Sioux Falls Joe Foss Field

Sat 5/30

5:34 pm-12:48 am

1 stop9h 14m

$289

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 4/14

4:15 pm-11:44 pm

1 stop5h 29m

Sioux Falls Joe Foss Field

Sat 4/25

6:00 am-9:48 am

1 stop5h 48m

$289

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 2/7

1:53 pm-11:04 pm

1 stop7h 11m

Sioux Falls Joe Foss Field

Sat 2/14

4:19 pm-8:30 pm

1 stop6h 11m

$295

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 5/19

12:59 am-1:01 pm

1 stop10h 02m

Sioux Falls Joe Foss Field

Wed 5/27

5:34 pm-11:43 pm

1 stop8h 09m

$314

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 3/10

12:59 am-12:41 pm

1 stop9h 42m

Sioux Falls Joe Foss Field

Wed 3/18

5:21 pm-12:55 am

1 stop9h 34m

$314

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 1/31

1:24 pm-8:24 pm

1 stop5h 00m

Sioux Falls Joe Foss Field

Tue 2/3

5:18 pm-9:12 pm

1 stop5h 54m

$339

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 6/2

11:00 am-8:46 pm

1 stop7h 46m

Sioux Falls Joe Foss Field

Wed 6/10

1:45 pm-8:45 pm

2 stops9h 00m

$343

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 2/6

3:45 pm-11:44 pm

1 stop5h 59m

Sioux Falls Joe Foss Field

Sat 2/7

11:22 am-11:06 pm

2 stops13h 44m

$344

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Thu 3/5

8:30 am-10:03 pm

2 stops11h 33m

Sioux Falls Joe Foss Field

Tue 3/10

5:45 am-12:33 pm

2 stops8h 48m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/18

Showing 1-10 of 34 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, March is the cheapest month in which you can book a flight from State of Washington to Sioux Falls (average of $99). Flying from State of Washington to Sioux Falls in January is currently the most expensive (average of $283). 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 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 United Airlines, American Airlines, and Delta fly from State of Washington to Sioux Falls in about 5h 44m. The time it takes to get you to your destination can typically vary by up to 2h 37m. Airlines will cover a distance of 1039 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 Delta, which is currently one of the cheapest options available, starting at $104. Frontier flights start at $111 while deals on United Airlines start at $125 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 Portland - Sioux Falls Joe Foss Field. You may also consider Seattle/Tacoma Intl - 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, March is the cheapest month in which you can book a flight from State of Washington to Sioux Falls (average of $99). Flying from State of Washington to Sioux Falls in January is currently the most expensive (average of $283). 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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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 January 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$99Average$386FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$188Average$360FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$254Average$327FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$280Average$468FlexibilityNo cancel feeOn-time69%

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