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South Dakota

$137+ 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 4/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$275
(Sun Country Air)

One-way from

$137
(Mytrip)

Popular in

May

Cheapest in

January

Average price

$551
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 Seattle/Tacoma Intl to South Dakota
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One-way flight from Seattle/Tacoma Intl to South Dakota
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Highest demand for flights based on searches. 12% potential increase in price ($76 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 March 2025
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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 March 28, 2025.

This Sun Country Air deal was found by Cheapflights users on 3/27. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/243:27 pmSEA - RAP
1 stop17h 37mSun Country Air
Sun 9/285:13 pmRAP - SEA
1 stop24h 48mSun Country Air
Deal found 3/27$275
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1112:30 pmSEA - FSD
1 stop6h 39mMultiple Airlines
Mon 4/149:59 pmFSD - SEA
1 stop15h 36mMultiple Airlines
Deal found 3/27$314
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/256:00 amSEA - RAP
1 stop14h 14mMultiple Airlines
Sun 6/110:07 pmRAP - SEA
1 stop27h 03mMultiple Airlines
Deal found 3/27$318
This FlightHub deal was found by Cheapflights users on 3/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/107:12 pmSEA - FSD
1 stop17h 46mFrontier
Wed 6/113:58 pmFSD - SEA
1 stop10h 36mFrontier
Deal found 3/28$327
This American Airlines deal was found by Cheapflights users on 3/28. 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 5/105:22 amSEA - RAP
1 stop9h 42mAmerican Airlines
Thu 5/154:35 pmRAP - SEA
1 stop9h 10mAmerican Airlines
Deal found 3/28$401
This United deal was found by Cheapflights users on 3/28. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/13:45 pmSEA - RAP
1 stop5h 15mUnited Airlines
Tue 7/154:38 pmRAP - SEA
1 stop7h 21mUnited Airlines
Deal found 3/28$421
This Delta deal was found by Cheapflights users on 3/28. 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 4/2512:45 amSEA - FSD
1 stop7h 27mDelta
Sat 5/312:30 pmFSD - SEA
1 stop6h 09mDelta
Deal found 3/28$437
This Delta deal was found by Cheapflights users on 3/28. 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 5/101:30 pmSEA - RAP
2 stops8h 04mDelta
Thu 5/154:25 pmRAP - SEA
2 stops8h 34mDelta
Deal found 3/28$441
This United Airlines deal was found by Cheapflights users on 3/28. 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 4/268:50 amSEA - FSD
1 stop9h 40mUnited Airlines
Sat 5/36:00 amFSD - SEA
2 stops17h 31mUnited Airlines
Deal found 3/28$490
This American Airlines deal was found by Cheapflights users on 3/28. 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.
Mon 6/912:05 amSEA - FSD
1 stop9h 31mAmerican Airlines
Wed 6/112:44 pmFSD - SEA
1 stop7h 32mAmerican Airlines
Deal found 3/28$518
This Delta deal was found by Cheapflights users on 3/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/116:20 amSEA - ABR
1 stop5h 45mDelta
Tue 4/152:50 pmABR - SEA
1 stop8h 00mDelta
Deal found 3/27$572
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/297:59 pmSEA - FSD
2 stops24h 39mAlaska Airlines
Mon 3/3112:17 pmFSD - SEA
2 stops24h 20mAlaska Airlines
Deal found 3/27$857

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 28, 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

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 9/24

3:27 pm-10:04 am

1 stop17h 37m

Rapid City

Sun 9/28

5:13 pm-5:01 pm

1 stop24h 48m

$275

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 4/11

12:30 pm-9:09 pm

1 stop6h 39m

Sioux Falls Joe Foss Field

Mon 4/14

9:59 pm-11:35 am

1 stop15h 36m

$314

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sun 5/25

6:00 am-9:14 pm

1 stop14h 14m

Rapid City

Sun 6/1

10:07 pm-12:10 am

1 stop27h 03m

$318

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 6/10

7:12 pm-2:58 pm

1 stop17h 46m

Sioux Falls Joe Foss Field

Wed 6/11

3:58 pm-12:34 am

1 stop10h 36m

$327

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 5/10

5:22 am-4:04 pm

1 stop9h 42m

Rapid City

Thu 5/15

4:35 pm-12:45 am

1 stop9h 10m

$401

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Tue 7/1

3:45 pm-10:00 pm

1 stop5h 15m

Rapid City

Tue 7/15

4:38 pm-10:59 pm

1 stop7h 21m

$421

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 4/25

12:45 am-10:12 am

1 stop7h 27m

Sioux Falls Joe Foss Field

Sat 5/3

12:30 pm-4:39 pm

1 stop6h 09m

$437

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 5/10

1:30 pm-10:34 pm

2 stops8h 04m

Rapid City

Thu 5/15

4:25 pm-11:59 pm

2 stops8h 34m

$441

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 4/26

8:50 am-8:30 pm

1 stop9h 40m

Sioux Falls Joe Foss Field

Sat 5/3

6:00 am-9:31 pm

2 stops17h 31m

$490

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Mon 6/9

12:05 am-11:36 am

1 stop9h 31m

Sioux Falls Joe Foss Field

Wed 6/11

2:44 pm-8:16 pm

1 stop7h 32m

$518

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 18 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.

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, 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 March 28, 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 March 28, 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.
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

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
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

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
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

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
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

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
9,798 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Sun Country Air
6.9
Okay
348 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Crew

8.5

Boarding

8.2

Overall

8.0

Food

7.1

Comfort

7.9

Entertainment

7.1

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 Frontier, with whom users have recently found tickets for as low as $216. 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?

    Most travelers choose Seattle/Tacoma Intl - Rapid City, Seattle/Tacoma Intl - Sioux Falls Joe Foss Field or Seattle/Tacoma Intl - Aberdeen when deciding on the best route 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

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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.
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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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$277FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$258Average$526FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$571FlexibilityNo cancel feeOn-timeN/A
Sun Country AirCheapest$293Average$350FlexibilityNo cancel feeOn-time83%
United AirlinesCheapest$358Average$638FlexibilityNo cancel feeOn-time69%
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