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South Dakota

$150+ 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 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$259
(Delta)

One-way from

$150
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$416
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. 0% potential increase in price ($2 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 10/236:05 amSEA - RAP
1 stop6h 35mDelta
Sat 10/2510:40 amRAP - SEA
1 stop6h 37mDelta
Deal found 6/11$259
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/215:24 amSEA - FSD
1 stop9h 11mAmerican Airlines
Thu 8/285:15 pmFSD - SEA
1 stop9h 39mAmerican Airlines
Deal found 6/11$269
This CheapOair deal was found by Cheapflights users on 6/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:25 amSEA - FSD
1 stop5h 37mFrontier
Fri 7/257:32 pmFSD - SEA
1 stop7h 02mFrontier
Deal found 6/9$270
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/155:30 pmSEA - FSD
1 stop17h 22mMultiple Airlines
Fri 7/189:39 pmFSD - SEA
2 stops20h 46mMultiple Airlines
Deal found 6/11$278
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/55:10 amSEA - RAP
2 stops9h 51mUnited Airlines
Sat 7/125:30 amRAP - SEA
1 stop5h 38mUnited Airlines
Deal found 6/10$288
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 9/1012:40 amSEA - FSD
1 stop7h 25mDelta
Mon 9/157:30 pmFSD - SEA
1 stop6h 04mDelta
Deal found 6/11$294
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 7/311:59 pmSEA - RAP
1 stop14h 52mSun Country Air
Mon 7/75:21 pmRAP - SEA
1 stop15h 38mSun Country Air
Deal found 6/10$300
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/276:10 amSEA - RAP
1 stop10h 24mAmerican Airlines
Mon 9/16:12 pmRAP - SEA
1 stop16h 07mAmerican Airlines
Deal found 6/11$307
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Wed 7/95:30 pmSEA - RAP
1 stop26h 39mMultiple Airlines
Fri 7/115:09 pmRAP - SEA
1 stop6h 38mMultiple Airlines
Deal found 6/11$321
This United Airlines deal was found by Cheapflights users on 6/10. 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 7/116:45 amSEA - FSD
2 stops13h 37mUnited Airlines
Mon 7/146:49 pmFSD - SEA
1 stop6h 10mUnited Airlines
Deal found 6/10$379
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 9/412:59 amSEA - FSD
1 stop8h 50mAlaska Airlines
Mon 9/812:17 pmFSD - SEA
1 stop10h 00mAlaska Airlines
Deal found 6/11$459
This Delta deal was found by Cheapflights users on 6/10. 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.
Wed 6/256:00 amSEA - ABR
1 stop6h 05mDelta
Sun 6/296:39 amABR - SEA
1 stop8h 17mDelta
Deal found 6/10$874

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 June 12, 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

Thu 10/23

6:05 am-1:40 pm

1 stop6h 35m

Rapid City

Sat 10/25

10:40 am-4:17 pm

1 stop6h 37m

$259

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 8/21

5:24 am-4:35 pm

1 stop9h 11m

Sioux Falls Joe Foss Field

Thu 8/28

5:15 pm-12:54 am

1 stop9h 39m

$269

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 7/24

6:25 am-2:02 pm

1 stop5h 37m

Sioux Falls Joe Foss Field

Fri 7/25

7:32 pm-12:34 am

1 stop7h 02m

$270

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Tue 7/15

5:30 pm-12:52 pm

1 stop17h 22m

Sioux Falls Joe Foss Field

Fri 7/18

9:39 pm-4:25 pm

2 stops20h 46m

$278

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Sat 7/5

5:10 am-4:01 pm

2 stops9h 51m

Rapid City

Sat 7/12

5:30 am-10:08 am

1 stop5h 38m

$288

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 9/10

12:40 am-10:05 am

1 stop7h 25m

Sioux Falls Joe Foss Field

Mon 9/15

7:30 pm-11:34 pm

1 stop6h 04m

$294

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Thu 7/3

11:59 pm-3:51 pm

1 stop14h 52m

Rapid City

Mon 7/7

5:21 pm-7:59 am

1 stop15h 38m

$300

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 8/27

6:10 am-5:34 pm

1 stop10h 24m

Rapid City

Mon 9/1

6:12 pm-9:19 am

1 stop16h 07m

$307

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 7/9

5:30 pm-9:09 pm

1 stop26h 39m

Rapid City

Fri 7/11

5:09 pm-10:47 pm

1 stop6h 38m

$321

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 7/11

6:45 am-10:22 pm

2 stops13h 37m

Sioux Falls Joe Foss Field

Mon 7/14

6:49 pm-10:59 pm

1 stop6h 10m

$379

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 results
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2
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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, 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 June 12, 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 June 12, 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
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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
345 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Food

7.1

Boarding

8.1

Crew

8.5

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 $181. 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?

    Most travelers choose Seattle/Tacoma Intl - Sioux Falls Joe Foss Field, Seattle/Tacoma Intl - Rapid City 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$288FlexibilityNo cancel feeOn-time62%
Sun Country AirCheapest$137Average$380FlexibilityNo cancel feeOn-time83%
American AirlinesCheapest$258Average$414FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$523FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$353Average$592FlexibilityNo cancel feeOn-time69%

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