South Dakota

$105+ 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 4/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Feb 25 — Mar 41
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Seattle to South Dakota with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(United Airlines)

One-way from

$105
(American Airlines)

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.
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. 11% potential increase in price ($71 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in February 2025

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 February 20, 2025.

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 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
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/213:15 pmSEA - RAP
1 stop6h 19mDelta
Fri 3/284:16 pmRAP - SEA
1 stop8h 16mDelta
Deal found 2/19$359
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/203:34 pmSEA - FSD
1 stop5h 33mDelta
Sun 2/235:05 amFSD - SEA
1 stop7h 40mDelta
Deal found 2/19$449
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 3/76:15 amSEA - ABR
1 stop5h 50mDelta
Tue 3/112:40 pmABR - SEA
1 stop8h 10mDelta
Deal found 2/20$624
This Alaska 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:49 pmSEA - FSD
2 stops25h 54mAlaska Airlines
Sun 6/14:10 pmFSD - SEA
2 stops18h 59mAlaska Airlines
Deal found 2/20$689
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.
Thu 2/205:38 pmSEA - FSD
2 stops25h 32mMultiple Airlines
Sun 2/237:25 pmFSD - SEA
3 stops31h 00mMultiple Airlines
Deal found 2/19$989

Find flights from Seattle to South Dakota within your budget

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 February 20, 2025.

Fly from

Seattle

Fly to

South Dakota

Route

Depart

Return

Price

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

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

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

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 3/7

3:45 pm-11:43 pm

1 stop5h 58m

Sioux Falls Joe Foss Field

Tue 3/11

1:40 pm-9:15 pm

2 stops9h 35m

$325

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Fri 3/21

3:15 pm-10:34 pm

1 stop6h 19m

Rapid City

Fri 3/28

4:16 pm-11:32 pm

1 stop8h 16m

$359

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 4/6

6:20 am-3:40 pm

1 stop7h 20m

Sioux Falls Joe Foss Field

Fri 4/18

12:30 pm-4:07 pm

1 stop5h 37m

$533

SeattleAberdeen

SEA - ABR

SEAABR

Seattle/Tacoma Intl

Fri 3/7

6:15 am-2:05 pm

1 stop5h 50m

Aberdeen

Tue 3/11

2:40 pm-8:50 pm

1 stop8h 10m

$624

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 2/23

11:46 am-10:39 pm

1 stop8h 53m

Sioux Falls Joe Foss Field

Tue 2/25

12:23 pm-8:35 pm

1 stop10h 12m

$1,009

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 4/23

1:35 pm-10:40 pm

1 stop7h 05m

$105

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sun 3/2

2:02 pm-1:31 pm

1 stop21h 29m

$152

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 16 results
1
2

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.

Travel insights for flights from Seattle to South Dakota

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

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

Currently, September is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $334). Flying from Seattle 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 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 February 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to South Dakota as you normally would.

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.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Seattle to South Dakota by reading reviews from past customers. 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.

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

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

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

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

8.0
Very good

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

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

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

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

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

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

Food

7.1

Overall

8.0

Comfort

7.9

Crew

8.5

Entertainment

7.1

Boarding

8.2

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 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.

  • What are the cheapest airlines to fly from Seattle to South Dakota one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $105. However, be on the lookout for offers from Frontier 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, September is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $334). Flying from Seattle 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$240FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$258Average$552FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$656FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$293Average$367FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$362Average$651FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.