South Dakota

$166+ Cheap flights from Seattle (SEA) 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 3/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Apr 16 — Apr 231
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Cheap flight deals from Seattle to South Dakota

Cheapest flights from Seattle to South Dakota
Explore the most affordable flight options available from Seattle to South Dakota. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
-
FSD
1 stop20h 43m
Frontier
Mon 5/114:07 pm
FSD
-
SEA
1 stop19h 42m
Frontier
Deal found 3/15$239
This Flightnetwork deal was found by Cheapflights users on 3/15. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/37:12 pm
SEA
-
FSD
1 stop21h 59m
Frontier
Mon 5/114:07 pm
FSD
-
SEA
1 stop19h 42m
Frontier
Deal found 3/15$270
This Gotogate deal was found by Cheapflights users on 3/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3012:24 pm
SEA
-
FSD
1 stop5h 35m
Frontier
Fri 4/37:21 pm
FSD
-
SEA
1 stop18h 16m
Frontier
Deal found 3/14$299
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/1310:09 pm
SEA
-
FSD
2 stops37h 36m
Multiple Airlines
Mon 4/208:06 pm
FSD
-
SEA
1 stop15h 21m
Multiple Airlines
Deal found 3/14$306
This Gotogate deal was found by Cheapflights users on 3/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
-
FSD
1 stop20h 43m
Frontier
Wed 5/137:18 pm
FSD
-
SEA
1 stop16h 31m
Frontier
Deal found 3/15$316
This American Airlines deal was found by Cheapflights users on 3/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:00 am
SEA
-
RAP
1 stop9h 27m
American Airlines
Wed 4/224:57 pm
RAP
-
SEA
1 stop8h 47m
American Airlines
Deal found 3/16$319
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1812:54 pm
SEA
-
RAP
1 stop7h 10m
United Airlines
Tue 4/2110:55 am
RAP
-
SEA
2 stops9h 50m
United Airlines
Deal found 3/12$324
This American Airlines deal was found by Cheapflights users on 3/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/242:57 pm
SEA
-
FSD
1 stop7h 02m
American Airlines
Sat 4/255:28 pm
FSD
-
SEA
1 stop9h 16m
American Airlines
Deal found 3/15$329
This American Airlines deal was found by Cheapflights users on 3/14. 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 10/165:42 am
SEA
-
RAP
1 stop9h 20m
American Airlines
Wed 10/214:34 pm
RAP
-
SEA
1 stop7h 20m
American Airlines
Deal found 3/14$334
This United Airlines deal was found by Cheapflights users on 3/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:48 pm
SEA
-
FSD
1 stop5h 56m
United Airlines
Wed 4/291:43 pm
FSD
-
SEA
2 stops9h 14m
United Airlines
Deal found 3/12$334
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
-
FSD
1 stop20h 43m
Multiple Airlines
Wed 5/132:35 pm
FSD
-
SEA
1 stop21h 47m
Multiple Airlines
Deal found 3/16$337
This United Airlines deal was found by Cheapflights users on 3/16. 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.
Tue 9/15:00 am
SEA
-
RAP
1 stop5h 55m
United Airlines
Sat 9/512:30 pm
RAP
-
SEA
1 stop6h 15m
United Airlines
Deal found 3/16$339

Find flight deals from Seattle to South Dakota

Keep the following information in mind while searching for Seattle to South Dakota flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$239
(Gotogate)

One-way from

$166
(Kiwi.com)

Popular in

February

Cheapest in

October

Average price

$313
Provider with most accurate pricing for Seattle/Tacoma Intl-Sioux Falls Joe Foss Field flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sioux Falls Joe Foss Field flights.
From Seattle/Tacoma Intl to South Dakota
One-way flight from Seattle/Tacoma Intl to South Dakota
Highest demand for flights based on searches. 16% potential increase in price ($86 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($38 potential savings vs. average RT price).
Average for round-trip flights in March 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 March 17, 2026.
Use the filters below to find and compare flights from Seattle to South Dakota that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 4/23

10:48 am-9:54 pm

1 stop9h 06m

Sioux Falls Joe Foss Field

Tue 4/28

4:57 pm-9:06 pm

1 stop6h 09m

$329

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Mon 4/13

11:59 pm-10:42 am

1 stop8h 43m

Sioux Falls Joe Foss Field

Mon 4/20

6:53 pm-12:34 am

1 stop7h 41m

$349

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 4/18

5:00 am-12:50 pm

1 stop5h 50m

Sioux Falls Joe Foss Field

Tue 4/21

6:00 am-2:46 pm

2 stops10h 46m

$354

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Tue 3/31

3:30 pm-10:25 pm

1 stop5h 55m

Rapid City

Sat 4/4

6:00 am-12:27 pm

1 stop7h 27m

$369

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 4/18

5:00 am-1:08 pm

1 stop7h 08m

Rapid City

Tue 4/21

12:00 pm-6:00 pm

1 stop7h 00m

$389

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 4/17

2:39 pm-11:44 pm

1 stop7h 05m

Sioux Falls Joe Foss Field

Sat 4/18

6:00 am-9:46 am

1 stop5h 46m

$409

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 4/22

8:42 am-11:44 pm

2 stops13h 02m

Sioux Falls Joe Foss Field

Wed 4/29

9:05 am-8:57 pm

2 stops13h 52m

$419

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 4/24

11:59 pm-10:42 am

1 stop8h 43m

Sioux Falls Joe Foss Field

Sat 4/25

1:43 pm-11:27 pm

2 stops11h 44m

$429

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 3/31

7:12 am-8:30 pm

2 stops11h 18m

Sioux Falls Joe Foss Field

Tue 4/7

6:00 am-2:46 pm

2 stops10h 46m

$479

SeattleAberdeen

SEA - ABR

SEAABR

Seattle/Tacoma Intl

Wed 4/1

6:00 am-2:09 pm

1 stop6h 09m

Aberdeen

Wed 4/8

2:45 pm-8:50 pm

1 stop8h 05m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 28 resultsSorted by cheapest first
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Best time to book a flight from Seattle to South Dakota

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

What is the cheapest month to book a flight from Seattle to South Dakota?

Currently, June is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $188). Flying from Seattle to South Dakota in March is currently the most expensive (average of $313). 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.

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 March 17, 2026.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Seattle to South Dakota have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Comfort

7.9

Food

7.2

Boarding

8.1

Crew

8.5

Entertainment

7.8

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 airport do you fly from for flights from Seattle to South Dakota?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to South Dakota from Seattle.

  • How long is the flight from Seattle to South Dakota?

    Airlines like United Airlines and Delta fly from Seattle to South Dakota in about 5h 55m. The time it takes to get you to your destination can typically vary by up to 3h 11m. Seattle and South Dakota are separated by a distance of 954 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 Seattle to South Dakota one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $111. However, be on the lookout for offers from Delta and United Airlines, as they are both options that can get you from Seattle to South Dakota for a low price.

  • What are the most popular routes from Seattle to South Dakota?

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

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

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

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

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

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

    Currently, June is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $188). Flying from Seattle to South Dakota in March is currently the most expensive (average of $313). 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 Seattle to South Dakota

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Seattle to South Dakota

Discover the top 5 airlines that operate flights from Seattle 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$137Average$385FlexibilityNo cancel feeOn-time83%
FrontierCheapest$188Average$360FlexibilityNo cancel feeOn-time62%
DeltaCheapest$190Average$443FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$353FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$286Average$498FlexibilityNo cancel feeOn-time69%

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