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South Dakota

$84+ Cheap flights from Washington to South Dakota

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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Washington to South Dakota

Keep the following information in mind while searching for Washington to South Dakota flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$159
(Frontier)

One-way from

$84
(Mytrip)

Popular in

May

Cheapest in

January

Average price

$523
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 South Dakota
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One-way flight from Washington to South Dakota
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Highest demand for flights based on searches. 11% potential increase in price ($71 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 February 2025
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Find flight deals from Washington to South Dakota

Cheapest flights from Washington to South Dakota
Explore the most affordable flight options available from Washington to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/20. 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.
Mon 3/106:45 amPDX - FSD
1 stop5h 00mFrontier
Fri 3/142:51 pmFSD - PDX
1 stop11h 46mFrontier
Deal found 2/20$159
This Delta deal was found by Cheapflights users on 2/20. 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.
Fri 4/2512:50 amPDX - FSD
1 stop7h 22mDelta
Sat 5/34:20 pmFSD - PDX
1 stop6h 19mDelta
Deal found 2/20$209
This Mytrip deal was found by Cheapflights users on 2/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/227:01 pmPDX - FSD
1 stop15h 48mMultiple Airlines
Sat 5/312:58 pmFSD - PDX
1 stop24h 28mMultiple Airlines
Deal found 2/19$217
This United Airlines deal was found by Cheapflights users on 2/18. 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 3/65:00 amGEG - RAP
1 stop5h 06mUnited Airlines
Mon 3/101:15 pmRAP - GEG
1 stop5h 15mUnited Airlines
Deal found 2/18$259
This Delta deal was found by Cheapflights users on 2/20. 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 11/152:05 pmGEG - FSD
1 stop6h 42mDelta
Wed 11/197:37 pmFSD - GEG
1 stop5h 26mDelta
Deal found 2/20$259
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Sat 4/2611:52 pmPDX - FSD
1 stop9h 59mAmerican Airlines
Sat 5/34:05 pmFSD - PDX
1 stop8h 57mAmerican Airlines
Deal found 2/20$284
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/612:59 amSEA - RAP
1 stop9h 55mAmerican Airlines
Tue 3/115:26 amRAP - SEA
1 stop8h 34mAmerican Airlines
Deal found 2/20$289
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/73:45 pmSEA - RAP
1 stop5h 26mUnited Airlines
Tue 3/113:21 pmRAP - SEA
1 stop8h 40mUnited Airlines
Deal found 2/20$290
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 3/62:10 pmGEG - RAP
1 stop7h 31mDelta
Mon 3/104:16 pmRAP - GEG
2 stops8h 42mDelta
Deal found 2/18$294
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Fri 3/711:59 pmSEA - FSD
1 stop9h 52mAmerican Airlines
Tue 3/115:53 pmFSD - SEA
1 stop8h 55mAmerican Airlines
Deal found 2/20$319
This Sun Country Air deal was found by Cheapflights users on 2/20. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/36:42 pmSEA - RAP
1 stop20h 51mSun Country Air
Mon 7/75:30 pmRAP - SEA
1 stop15h 32mSun Country Air
Deal found 2/20$320
This United Airlines deal was found by Cheapflights users on 2/20. 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 3/73:45 pmSEA - FSD
1 stop5h 58mUnited Airlines
Tue 3/111:40 pmFSD - SEA
2 stops9h 35mUnited Airlines
Deal found 2/20$325

Find flights from Washington to South Dakota within your budget

Customize your flight search to find flights from Washington to South Dakota 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 February 20, 2025.

Fly from

Washington

Fly to

South Dakota

Route

Depart

Return

Price

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Mon 3/10

6:45 am-1:45 pm

1 stop5h 00m

Sioux Falls Joe Foss Field

Fri 3/14

2:51 pm-12:37 am

1 stop11h 46m

$159

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Fri 4/25

12:50 am-10:12 am

1 stop7h 22m

Sioux Falls Joe Foss Field

Sat 5/3

4:20 pm-8:39 pm

1 stop6h 19m

$209

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Tue 4/22

7:01 pm-12:49 pm

1 stop15h 48m

Sioux Falls Joe Foss Field

Sat 5/3

12:58 pm-11:26 am

1 stop24h 28m

$217

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Thu 3/6

5:00 am-11:06 am

1 stop5h 06m

Rapid City

Mon 3/10

1:15 pm-5:30 pm

1 stop5h 15m

$259

PortlandSioux Falls

PDX - FSD

PDXFSD

Portland

Sat 4/26

11:52 pm-11:51 am

1 stop9h 59m

Sioux Falls Joe Foss Field

Sat 5/3

4:05 pm-11:02 pm

1 stop8h 57m

$284

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 3/6

12:59 am-11:54 am

1 stop9h 55m

Rapid City

Tue 3/11

5:26 am-1:00 pm

1 stop8h 34m

$289

SpokaneSioux Falls

GEG - FSD

GEGFSD

Spokane

Sat 3/8

2:10 pm-11:26 pm

1 stop7h 16m

Sioux Falls Joe Foss Field

Wed 3/12

6:59 pm-10:40 pm

1 stop5h 41m

$289

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Fri 3/7

3:45 pm-10:11 pm

1 stop5h 26m

Rapid City

Tue 3/11

3:21 pm-11:01 pm

1 stop8h 40m

$290

SpokaneRapid City

GEG - RAP

GEGRAP

Spokane

Thu 3/6

2:10 pm-10:41 pm

1 stop7h 31m

Rapid City

Mon 3/10

4:16 pm-11:58 pm

2 stops8h 42m

$294

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 3/7

11:59 pm-11:51 am

1 stop9h 52m

Sioux Falls Joe Foss Field

Tue 3/11

5:53 pm-12:48 am

1 stop8h 55m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 40 results
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Best time to book a flight from Washington to South Dakota

Have a flexible travel schedule? Discover the best time to fly to South Dakota 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.

Travel insights for flights from Washington to South Dakota

Get recent, data-driven insights about flights from Washington to South Dakota including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from State of Washington to South Dakota?

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

Find hourly flight availability from Washington to South Dakota. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

When flying from State of Washington to South Dakota, 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 South Dakota by month

Plan your trip to South Dakota by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Dakota 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 South Dakota when rainfall is around 0.6 in.

Temperature in South Dakota by month

Plan your trip to South Dakota by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Dakota, 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 South Dakota

Get insights into the airlines that provide service to South Dakota. 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 South Dakota. Reviews last updated February 20, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Washington to South Dakota have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Allegiant Air
7.3
Good
765 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Entertainment

7.1

Boarding

8.2

Food

7.1

Comfort

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20

10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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

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

    The cheapest airlines for a one-way flight from State of Washington to South Dakota are American Airlines ($105), Delta ($152), and Frontier ($152).

  • Can I find deals for flights from Washington to South Dakota that include hotel bookings?

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

  • How can I find direct flights from Washington to South Dakota?

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

  • Can I find deals for business class flights from Washington to South Dakota?

    Yes. Cheapflights offers flight deals from Washington to South Dakota 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 South Dakota?

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

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Washington to South Dakota

Discover the top 5 airlines that operate flights from Washington to South Dakota. 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$240FlexibilityNo cancel feeOn-time62%
DeltaCheapest$233Average$536FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$552FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$292Average$558FlexibilityNo cancel feeOn-time69%
Sun Country AirCheapest$293Average$367FlexibilityNo cancel feeOn-time83%
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