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$165+ Cheap flights from South Dakota to Seattle (SEA)

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 6/1. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap flight deals from South Dakota to Seattle

Cheapest flights from South Dakota to Seattle
Explore the most affordable flight options available from South Dakota to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 17, 2026.

This CheapOair deal was found by Cheapflights users on 3/16. 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.
Fri 4/248:06 pm
FSD
-
SEA
1 stop15h 21m
Frontier
Sun 4/267:12 pm
SEA
-
FSD
1 stop22h 09m
Frontier
Deal found 3/16$221
This Mytrip deal was found by Cheapflights users on 3/14. 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 4/248:06 pm
FSD
-
SEA
1 stop15h 21m
Frontier
Thu 4/307:12 pm
SEA
-
FSD
1 stop22h 09m
Frontier
Deal found 3/14$269
This Mytrip deal was found by Cheapflights users on 3/14. 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 4/37:21 pm
FSD
-
SEA
1 stop18h 16m
Frontier
Thu 4/912:42 pm
SEA
-
FSD
1 stop27h 49m
Frontier
Deal found 3/14$280
This American Airlines deal was found by Cheapflights users on 3/15. 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 9/25:54 pm
FSD
-
SEA
1 stop8h 21m
American Airlines
Thu 9/1012:00 pm
SEA
-
FSD
1 stop7h 55m
American Airlines
Deal found 3/15$329
This CheapOair deal was found by Cheapflights users on 3/16. 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.
Wed 5/207:18 pm
FSD
-
SEA
1 stop20h 43m
Frontier
Sun 5/247:50 pm
SEA
-
FSD
1 stop17h 54m
Frontier
Deal found 3/16$337
This United Airlines deal was found by Cheapflights users on 3/13. 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.
Tue 4/712:00 pm
RAP
-
SEA
1 stop7h 00m
United Airlines
Tue 4/143:48 pm
SEA
-
RAP
1 stop5h 40m
United Airlines
Deal found 3/13$339
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/223:17 pm
FSD
-
SEA
1 stop9h 21m
American Airlines
Sat 4/2511:41 am
SEA
-
FSD
1 stop8h 22m
American Airlines
Deal found 3/17$349
This American Airlines deal was found by Cheapflights users on 3/14. 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 4/32:57 pm
FSD
-
SEA
1 stop7h 31m
American Airlines
Thu 4/92:57 pm
SEA
-
FSD
1 stop7h 02m
American Airlines
Deal found 3/14$354
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 6/149:54 pm
RAP
-
SEA
1 stop18h 45m
Multiple Airlines
Wed 6/172:16 pm
SEA
-
RAP
1 stop29h 48m
Multiple Airlines
Deal found 3/12$369
This American Airlines deal was found by Cheapflights users on 3/17. 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 4/81:08 pm
RAP
-
SEA
1 stop10h 39m
American Airlines
Mon 4/136:00 am
SEA
-
RAP
1 stop9h 27m
American Airlines
Deal found 3/17$379
This Delta deal was found by Cheapflights users on 3/17. 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 4/86:00 am
RAP
-
SEA
2 stops9h 54m
Delta
Mon 4/136:00 am
SEA
-
RAP
1 stop8h 15m
Delta
Deal found 3/17$384
This United Airlines deal was found by Cheapflights users on 3/16. 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 4/154:15 pm
RAP
-
SEA
1 stop7h 41m
United Airlines
Fri 4/175:00 am
SEA
-
RAP
1 stop7h 08m
United Airlines
Deal found 3/16$387

Find flight deals from South Dakota to Seattle

Keep the following information in mind while searching for South Dakota to Seattle flight deals. Data was last updated March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(CheapOair)

One-way from

$165
(Mytrip)

Popular in

May

Cheapest in

January

Average price

$511
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flights.
Search Deals
From South Dakota to Seattle/Tacoma Intl
Search Deals
One-way flight from South Dakota to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($87 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 March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Seattle 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 17, 2026.
Use the filters below to find and compare flights from South Dakota to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 4/24

6:00 am-9:46 am

1 stop5h 46m

Seattle/Tacoma Intl

Mon 4/27

11:59 pm-10:42 am

1 stop8h 43m

$329
Quickest round-trip

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 4/7

12:00 pm-6:00 pm

1 stop7h 00m

Seattle/Tacoma Intl

Tue 4/14

3:48 pm-10:28 pm

1 stop5h 40m

$339

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 4/8

12:00 pm-9:46 pm

2 stops10h 46m

Seattle/Tacoma Intl

Mon 4/13

5:00 am-11:24 am

1 stop5h 24m

$394

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Sat 5/2

2:35 pm-9:06 pm

1 stop7h 31m

Seattle/Tacoma Intl

Tue 5/5

12:34 pm-9:55 pm

2 stops8h 21m

$394

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 4/8

6:00 am-2:54 pm

2 stops9h 54m

Seattle/Tacoma Intl

Mon 4/13

6:00 am-3:15 pm

1 stop8h 15m

$396

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 4/14

2:47 pm-9:06 pm

1 stop7h 19m

Seattle/Tacoma Intl

Tue 4/21

12:22 pm-10:28 pm

2 stops9h 06m

$403

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Tue 4/28

6:10 am-11:48 am

1 stop7h 38m

Seattle/Tacoma Intl

Sat 5/2

5:05 am-12:44 pm

1 stop5h 39m

$409

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 4/18

6:00 am-9:46 am

1 stop5h 46m

Seattle/Tacoma Intl

Sat 5/2

2:28 pm-11:29 pm

1 stop7h 01m

$409

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 4/15

12:00 pm-9:39 pm

2 stops10h 39m

Seattle/Tacoma Intl

Wed 4/22

5:00 am-1:08 pm

1 stop7h 08m

$414

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 4/17

6:53 pm-12:34 am

1 stop7h 41m

Seattle/Tacoma Intl

Sat 5/2

8:51 am-9:52 pm

2 stops11h 01m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from South Dakota to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from South Dakota 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 South Dakota to Seattle

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

Currently, January is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $188). Flying from South Dakota to Seattle in March is currently the most expensive (average of $338). 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.

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

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Seattle. 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 into for flights to Seattle from South Dakota?

    Seattle/Tacoma Intl (SEA) is the airport you will fly into if you book a flight from South Dakota to Seattle. It is only a 11.4 mi journey from Seattle/Tacoma Intl (SEA) to Seattle’s city center.

  • How long is the flight from South Dakota to Seattle?

    For as low as $329, United Airlines can have you in Seattle from South Dakota in 5h 46m. South Dakota and Seattle are separated by a distance of 1259 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 South Dakota to Seattle one-way?

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $101. Sun Country Air flights start at $137 while deals on American Airlines start at $180 one-way.

  • Can I find deals for flights from South Dakota to Seattle that include hotel bookings?

    Yes. In addition to deals on South Dakota to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from South Dakota to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from South Dakota to Seattle.

  • Can I find deals for business class flights from South Dakota to Seattle?

    Yes. Cheapflights offers flight deals from South Dakota to Seattle 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 South Dakota to Seattle?

    Currently, January is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $188). Flying from South Dakota to Seattle in March is currently the most expensive (average of $338). 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Tacoma
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Ellensburg
Tukwila
Fife
Lakewood
Aberdeen
Shoreline
Marysville
Centralia
Federal Way

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Top 4 airlines flying from South Dakota to Seattle

Discover the top 4 airlines that operate flights from South Dakota to Seattle. 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 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$190Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$229Average$624FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$403FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$278Average$486FlexibilityNo cancel feeOn-time69%

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