South Dakota

$133+ 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 11/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Nov 28 — Dec 51
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Find 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 October 29, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 12/411:01 amSEA - RAP
1 stop9h 28mMultiple Airlines
Fri 12/57:35 pmRAP - SEA
1 stop22h 01mMultiple Airlines
Deal found 10/26$228
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Wed 11/121:37 pmSEA - RAP
2 stops30h 17mMultiple Airlines
Sat 11/157:16 pmRAP - SEA
1 stop14h 02mMultiple Airlines
Deal found 10/26$235
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/1312:58 pmSEA - RAP
2 stops18h 56mMultiple Airlines
Sat 11/157:16 pmRAP - SEA
1 stop14h 02mMultiple Airlines
Deal found 10/26$251
This Delta deal was found by Cheapflights users on 10/26. 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 12/66:00 amSEA - RAP
1 stop7h 09mDelta
Mon 12/154:25 pmRAP - SEA
1 stop8h 59mDelta
Deal found 10/26$259
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 12/72:25 pmSEA - RAP
2 stops27h 20mMultiple Airlines
Thu 12/1110:19 pmRAP - SEA
1 stop12h 47mMultiple Airlines
Deal found 10/26$260
This Delta deal was found by Cheapflights users on 10/26. 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 12/61:40 pmSEA - RAP
2 stops8h 06mDelta
Sat 12/136:05 amRAP - SEA
1 stop7h 53mDelta
Deal found 10/26$264
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/911:35 amSEA - RAP
1 stop8h 19mMultiple Airlines
Sat 11/157:16 pmRAP - SEA
1 stop14h 02mMultiple Airlines
Deal found 10/26$268
This Delta deal was found by Cheapflights users on 10/26. 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 12/611:15 amSEA - RAP
2 stops10h 31mDelta
Thu 12/116:05 amRAP - SEA
2 stops11h 49mDelta
Deal found 10/26$269
This American Airlines deal was found by Cheapflights users on 10/27. 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 12/512:38 amSEA - FSD
1 stop8h 28mAmerican Airlines
Mon 12/86:00 amFSD - SEA
1 stop9h 06mAmerican Airlines
Deal found 10/27$269
This United Airlines deal was found by Cheapflights users on 10/27. 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 11/135:05 amSEA - RAP
1 stop6h 35mUnited Airlines
Wed 11/195:15 amRAP - SEA
1 stop6h 20mUnited Airlines
Deal found 10/27$274
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/911:35 amSEA - RAP
1 stop8h 19mMultiple Airlines
Thu 11/139:44 pmRAP - SEA
1 stop21h 48mMultiple Airlines
Deal found 10/26$277
This Kiwi.com deal was found by Cheapflights users on 10/26. 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.
Sun 11/911:35 amSEA - RAP
1 stop8h 19mMultiple Airlines
Fri 11/149:44 amRAP - SEA
1 stop23h 34mMultiple Airlines
Deal found 10/26$278

Cheap 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 October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$228
(Kiwi.com)

One-way from

$133
(Kiwi.com)

Popular in

April

Cheapest in

November

Average price

$408
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. 17% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in October 2025

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 October 29, 2025.
Use the filters below to find and compare flights from Seattle to South Dakota that are best for you.

Fly from

Seattle

Fly to

South Dakota

Route

Depart

Return

Price

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 11/13

12:58 pm-1:42 pm

1 stop22h 44m

Sioux Falls Joe Foss Field

Mon 11/17

2:32 pm-12:07 pm

1 stop23h 35m

$139

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 12/6

6:00 am-2:09 pm

1 stop7h 09m

Rapid City

Tue 12/16

6:05 am-12:58 pm

1 stop7h 53m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 12/11

1:45 pm-10:46 pm

1 stop8h 01m

Rapid City

Tue 12/16

6:05 am-12:58 pm

1 stop7h 53m

$259

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 12/4

1:47 pm-10:46 pm

1 stop7h 59m

Rapid City

Tue 12/9

2:51 pm-11:25 pm

2 stops9h 34m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 12/7

6:00 am-2:09 pm

1 stop7h 09m

Rapid City

Mon 12/15

11:02 am-6:36 pm

2 stops8h 34m

$264

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 12/12

12:38 am-11:06 am

1 stop8h 28m

Sioux Falls Joe Foss Field

Tue 12/16

5:18 pm-11:38 pm

1 stop8h 20m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 12/6

2:46 pm-11:59 pm

1 stop7h 13m

Sioux Falls Joe Foss Field

Mon 12/8

6:00 am-1:06 pm

1 stop9h 06m

$269

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 12/10

11:15 am-10:46 pm

2 stops10h 31m

Rapid City

Mon 12/15

11:02 am-6:36 pm

2 stops8h 34m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 4/25

6:05 am-3:28 pm

1 stop7h 23m

Sioux Falls Joe Foss Field

Tue 4/28

1:20 pm-8:24 pm

1 stop9h 04m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 12/13

1:45 pm-11:12 pm

1 stop7h 27m

Sioux Falls Joe Foss Field

Tue 12/16

11:00 am-5:00 pm

1 stop8h 00m

$269

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 32 results
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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, March is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $181). Flying from Seattle to South Dakota in May is currently the most expensive (average of $327). 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 SEA to SD?

Find hourly flight availability from Seattle 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 October 29, 2025.

It’s optimal to fly from Seattle to South Dakota in the evening. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Seattle to South Dakota?

Use this chart to determine the cheapest time to fly round-trip from Seattle to South Dakota. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Seattle to South Dakota flight should consider departing on Friday evenings when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 29, 2025.
See what other customers who have flown with Delta, United Airlines, and American 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.

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Boarding

8.2

Crew

8.5

Comfort

7.9

Entertainment

7.9

Overall

7.9

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

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 Frontier, Delta, and American Airlines fly from Seattle to South Dakota in about 7h 09m. The time it takes to get you to your destination can typically vary by up to 15h 35m. 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 Delta, with whom users have recently found tickets for as low as $191. However, be on the lookout for offers from United Airlines and American 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, March is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $181). Flying from Seattle to South Dakota in May is currently the most expensive (average of $327). 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$137Average$443FlexibilityNo cancel feeOn-time83%
FrontierCheapest$188Average$360FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$258Average$385FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$465FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$286Average$521FlexibilityNo cancel feeOn-time69%

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