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South Dakota

$88+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — FSD
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/147:00 amSEA - FSD
1 stop8h 33mUnited Airlines
Sat 12/205:12 pmFSD - SEA
1 stop8h 00mUnited Airlines
Deal found 12/11$439
This Delta deal was found by Cheapflights users on 12/10. 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.
Fri 12/126:00 amSEA - FSD
1 stop7h 45mDelta
Tue 12/168:01 amFSD - SEA
1 stop6h 57mDelta
Deal found 12/10$469
This Alaska Airlines deal was found by Cheapflights users on 12/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:54 pmSEA - FSD
1 stop7h 38mAlaska Airlines
Tue 12/1610:43 amFSD - SEA
2 stops15h 29mAlaska Airlines
Deal found 12/10$554
This United Airlines deal was found by Cheapflights users on 12/10. 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.
Sun 12/215:53 pmSEA - RAP
2 stops24h 19mUnited Airlines
Mon 1/56:05 pmRAP - SEA
1 stop6h 07mUnited Airlines
Deal found 12/10$597
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:50 pmSEA - FSD
1 stop6h 05mUnited Airlines
Sun 12/213:08 pmFSD - SEA
2 stops11h 51mUnited Airlines
Deal found 12/9$610
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/193:00 pmSEA - FSD
1 stop6h 39mAmerican Airlines
Sun 12/216:00 amFSD - SEA
1 stop10h 54mAmerican Airlines
Deal found 12/10$623
This United Airlines deal was found by Cheapflights users on 12/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:50 pmSEA - FSD
1 stop6h 05mUnited Airlines
Sat 1/38:50 amFSD - SEA
1 stop11h 16mUnited Airlines
Deal found 12/9$692
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1410:40 amSEA - FSD
1 stop9h 11mUnited Airlines
Fri 12/198:50 amFSD - SEA
1 stop27h 06mUnited Airlines
Deal found 12/11$707
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/195:02 amSEA - RAP
1 stop5h 30mUnited Airlines
Wed 12/2411:11 amRAP - SEA
1 stop7h 55mUnited Airlines
Deal found 12/11$722
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/172:55 pmSEA - FSD
1 stop6h 37mAmerican Airlines
Tue 12/303:09 pmFSD - SEA
1 stop8h 26mAmerican Airlines
Deal found 12/10$756
This American Airlines deal was found by Cheapflights users on 12/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:23 amSEA - FSD
1 stop9h 23mAmerican Airlines
Fri 1/28:11 amFSD - SEA
1 stop8h 00mAmerican Airlines
Deal found 12/10$757
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/205:02 amSEA - RAP
1 stop10h 58mUnited Airlines
Wed 12/2411:11 amRAP - SEA
1 stop7h 55mUnited Airlines
Deal found 12/11$804

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 December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$214
(Kiwi.com)

One-way from

$88
(Kiwi.com)

Popular in

April

Cheapest in

October

Average price

$451
Provider with most accurate pricing for Seattle/Tacoma Intl-Sioux Falls Joe Foss Field flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Sioux Falls Joe Foss Field flights.
Search Deals
From Seattle/Tacoma Intl to South Dakota
Search Deals
One-way flight from Seattle/Tacoma Intl to South Dakota
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($106 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 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

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Sat 1/17

3:30 pm-11:44 pm

1 stop6h 14m

Sioux Falls Joe Foss Field

Sat 1/24

1:40 pm-6:26 pm

1 stop6h 46m

$257

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 1/23

3:30 pm-11:44 pm

1 stop6h 14m

Sioux Falls Joe Foss Field

Sat 1/24

11:22 am-6:14 pm

1 stop8h 52m

$264

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 1/14

8:40 am-5:12 pm

1 stop7h 32m

Rapid City

Sat 1/24

10:45 am-6:26 pm

1 stop8h 41m

$279

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Mon 1/12

3:30 pm-10:29 pm

1 stop5h 59m

Rapid City

Mon 1/19

5:10 am-9:55 am

1 stop5h 45m

$279

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Mon 3/2

5:00 am-1:13 pm

1 stop7h 13m

Rapid City

Tue 3/31

10:00 am-6:33 pm

2 stops9h 33m

$284

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 1/22

5:00 am-12:58 pm

1 stop5h 58m

Sioux Falls Joe Foss Field

Sat 1/24

5:18 pm-9:15 pm

1 stop5h 57m

$289

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Wed 3/11

7:15 am-7:10 pm

1 stop9h 55m

Sioux Falls Joe Foss Field

Wed 3/18

1:26 pm-7:29 pm

1 stop8h 03m

$309

SeattleRapid City

SEA - RAP

SEARAP

Seattle/Tacoma Intl

Wed 1/21

12:25 pm-8:32 pm

1 stop7h 07m

Rapid City

Sat 1/24

12:35 pm-11:47 pm

2 stops12h 12m

$334

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Thu 2/19

10:55 am-9:57 pm

1 stop9h 02m

Sioux Falls Joe Foss Field

Thu 2/26

1:40 pm-6:03 pm

1 stop6h 23m

$338

SeattleSioux Falls

SEA - FSD

SEAFSD

Seattle/Tacoma Intl

Fri 1/16

10:58 am-9:50 pm

1 stop8h 52m

Sioux Falls Joe Foss Field

Sun 1/18

6:00 am-3:44 pm

2 stops11h 44m

$354

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 26 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 $163). 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 December 12, 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.

How much does it cost to fly round-trip from Seattle to South Dakota?

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 December 12, 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.
Delta
7.9
Good
8,009 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
Delta
7.9
Good
8,009 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
American Airlines
7.2
Good
11,049 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
Sun Country Air
6.9
Okay
333 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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.
Frontier
5.8
Fair
3,084 reviews
Delta
7.9
Good
8,009 reviews

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Entertainment

7.9

Crew

8.5

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 fly from Seattle to South Dakota in about 6h 14m. The time it takes to get you to your destination can typically vary by up to . Seattle and South Dakota are separated by a distance of 1259 mi.

  • 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 $104. 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, March is the cheapest month in which you can book a flight from Seattle to South Dakota (average of $163). 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

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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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Sun Country AirCheapest$137Average$443FlexibilityNo cancel feeOn-time83%
FrontierCheapest$188Average$360FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$258Average$362FlexibilityNo cancel feeOn-time71%
DeltaCheapest$258Average$447FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$268Average$491FlexibilityNo cancel feeOn-time69%

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