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Sioux Falls

$120+ 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 7/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$251
(Delta)

One-way from

$120
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$416
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. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 junio 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
mar. 8/125:00 pmPDX - FSD
1 stop4h 44mDelta
mar. 8/195:00 amFSD - PDX
1 stop7h 40mDelta
Deal found 6/11$251
This Delta deal was found by Cheapflights users on 6/12. 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.
sáb. 11/152:05 pmGEG - FSD
1 stop6h 44mDelta
mié. 11/197:30 pmFSD - GEG
1 stop5h 40mDelta
Deal found 6/12$251
This American Airlines deal was found by Cheapflights users on 6/10. 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.
jue. 9/251:30 pmGEG - FSD
1 stop8h 31mAmerican Airlines
dom. 9/287:00 amFSD - GEG
1 stop7h 44mAmerican Airlines
Deal found 6/10$259
This American Airlines deal was found by Cheapflights users on 6/11. 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.
jue. 8/215:24 amSEA - FSD
1 stop9h 11mAmerican Airlines
jue. 8/285:15 pmFSD - SEA
1 stop9h 39mAmerican Airlines
Deal found 6/11$269
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 7/246:25 amSEA - FSD
1 stop5h 37mFrontier
vie. 7/257:32 pmFSD - SEA
1 stop7h 02mFrontier
Deal found 6/9$270
This Frontier deal was found by Cheapflights users on 6/10. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/66:35 amPDX - FSD
1 stop10h 19mFrontier
dom. 8/102:57 pmFSD - PDX
1 stop11h 19mFrontier
Deal found 6/10$271
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/155:30 pmSEA - FSD
1 stop17h 22mMultiple Airlines
vie. 7/189:39 pmFSD - SEA
2 stops20h 46mMultiple Airlines
Deal found 6/11$278
This United Airlines deal was found by Cheapflights users on 6/10. 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.
vie. 7/1112:55 pmPDX - FSD
1 stop5h 25mUnited Airlines
lun. 7/218:00 amFSD - PDX
1 stop9h 14mUnited Airlines
Deal found 6/10$284
This Delta deal was found by Cheapflights users on 6/11. 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.
mié. 9/1012:40 amSEA - FSD
1 stop7h 25mDelta
lun. 9/157:30 pmFSD - SEA
1 stop6h 04mDelta
Deal found 6/11$294
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 7/1110:23 amPDX - FSD
1 stop27h 24mMultiple Airlines
lun. 7/219:39 pmFSD - PDX
2 stops18h 36mMultiple Airlines
Deal found 6/10$308
This American Airlines deal was found by Cheapflights users on 6/10. 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.
lun. 8/412:59 amPDX - FSD
1 stop9h 47mAmerican Airlines
mar. 8/125:15 pmFSD - PDX
1 stop7h 44mAmerican Airlines
Deal found 6/10$331
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sáb. 11/155:10 amGEG - FSD
2 stops10h 27mUnited Airlines
mié. 11/198:00 amFSD - GEG
3 stops17h 29mUnited Airlines
Deal found 6/10$346

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 junio 12, 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

mar. 8/12

5:00 pm-11:44 pm

1 stop4h 44m

Sioux Falls Joe Foss Field

mar. 8/19

5:00 am-10:40 am

1 stop7h 40m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

sáb. 11/15

2:05 pm-10:49 pm

1 stop6h 44m

Sioux Falls Joe Foss Field

mié. 11/19

7:30 pm-11:10 pm

1 stop5h 40m

$251

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

jue. 9/25

1:30 pm-12:01 am

1 stop8h 31m

Sioux Falls Joe Foss Field

dom. 9/28

7:00 am-12:44 pm

1 stop7h 44m

$259

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 8/21

5:24 am-4:35 pm

1 stop9h 11m

Sioux Falls Joe Foss Field

jue. 8/28

5:15 pm-12:54 am

1 stop9h 39m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

jue. 7/24

6:25 am-2:02 pm

1 stop5h 37m

Sioux Falls Joe Foss Field

vie. 7/25

7:32 pm-12:34 am

1 stop7h 02m

$270

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

mié. 8/6

6:35 am-6:54 pm

1 stop10h 19m

Sioux Falls Joe Foss Field

dom. 8/10

2:57 pm-12:16 am

1 stop11h 19m

$271

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mar. 7/15

5:30 pm-12:52 pm

1 stop17h 22m

Sioux Falls Joe Foss Field

vie. 7/18

9:39 pm-4:25 pm

2 stops20h 46m

$278

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

vie. 7/11

12:55 pm-8:20 pm

1 stop5h 25m

Sioux Falls Joe Foss Field

lun. 7/21

8:00 am-3:14 pm

1 stop9h 14m

$284

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

mié. 9/10

12:40 am-10:05 am

1 stop7h 25m

Sioux Falls Joe Foss Field

lun. 9/15

7:30 pm-11:34 pm

1 stop6h 04m

$294

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

vie. 7/11

10:23 am-3:47 pm

1 stop27h 24m

Sioux Falls Joe Foss Field

lun. 7/21

9:39 pm-2:15 pm

2 stops18h 36m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 29 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 junio 12, 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.

Rainfall in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average rainfall totals by month.

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.

Temperature in Sioux Falls by month

Plan your trip to Sioux Falls by taking into account the average temperature totals by month.

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).

Reviews of airlines servicing Sioux Falls

Get insights into the airlines that provide service to Sioux Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sioux Falls. Reviews last updated junio 12, 2025.
Read through reviews of airlines operating flights from Washington to Sioux Falls, such as Alaska Airlines, Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

  • 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 $126. Allegiant Air flights start at $150 while deals on United Airlines start at $157 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington to Sioux Falls

See prices for flight routes from nearby airports that may be better suited for you.
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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$288FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$431FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$428FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$300Average$533FlexibilityNo cancel feeOn-time69%

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