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$102+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
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 enero 29, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/26. 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.
jue. 2/262:16 pm
FSD
-
SEA
1 stop22h 39m
Multiple Airlines
dom. 3/19:23 pm
SEA
-
FSD
1 stop12h 31m
Multiple Airlines
Deal found 1/26$271
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 4/222:42 pm
RAP
-
SEA
1 stop7h 24m
United Airlines
mar. 4/285:00 am
SEA
-
RAP
1 stop7h 08m
United Airlines
Deal found 1/27$279
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/101:22 pm
FSD
-
SEA
1 stop8h 03m
American Airlines
lun. 3/1612:59 am
SEA
-
FSD
1 stop9h 38m
American Airlines
Deal found 1/27$289
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/66:00 am
FSD
-
SEA
1 stop5h 40m
United Airlines
dom. 5/107:08 am
SEA
-
FSD
2 stops11h 12m
United Airlines
Deal found 1/27$294
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 3/3112:00 pm
RAP
-
SEA
1 stop7h 00m
United Airlines
lun. 6/85:00 am
SEA
-
RAP
1 stop6h 35m
United Airlines
Deal found 1/27$297
This United Airlines deal was found by Cheapflights users on 1/28. 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.
vie. 2/132:52 pm
RAP
-
SEA
1 stop7h 20m
United Airlines
mar. 2/175:00 am
SEA
-
RAP
1 stop7h 13m
United Airlines
Deal found 1/28$309
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/25:21 pm
FSD
-
SEA
1 stop9h 34m
American Airlines
lun. 4/612:59 am
SEA
-
FSD
1 stop10h 02m
American Airlines
Deal found 1/27$314
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/275:40 pm
RAP
-
SEA
1 stop6h 19m
United Airlines
lun. 3/212:55 pm
SEA
-
RAP
1 stop6h 49m
United Airlines
Deal found 1/27$324
This United Airlines deal was found by Cheapflights users on 1/26. 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.
mar. 2/245:00 pm
FSD
-
SEA
1 stop6h 12m
United Airlines
mar. 3/35:00 am
SEA
-
FSD
2 stops10h 21m
United Airlines
Deal found 1/26$332
This United Airlines deal was found by Cheapflights users on 1/26. 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.
mar. 3/101:38 pm
FSD
-
SEA
1 stop6h 26m
United Airlines
mar. 3/177:15 am
SEA
-
FSD
2 stops11h 25m
United Airlines
Deal found 1/26$354
This American Airlines deal was found by Cheapflights users on 1/28. 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.
vie. 3/62:08 pm
FSD
-
SEA
1 stop10h 56m
American Airlines
mar. 3/107:21 am
SEA
-
FSD
1 stop13h 34m
American Airlines
Deal found 1/28$355
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/274:42 pm
RAP
-
SEA
1 stop9h 12m
American Airlines
lun. 8/3112:57 am
SEA
-
RAP
1 stop9h 49m
American Airlines
Deal found 1/27$358

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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$271
(Kiwi.com)

One-way from

$102
(CheapOair)

Popular in

June

Cheapest in

August

Average price

$344
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. 12% potential increase in price ($54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 enero 29, 2026.
Use the filters below to find and compare flights from South Dakota to Seattle that are best for you.

Fly from

South Dakota

Fly to

Seattle

Route

Depart

Return

Price

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

mié. 4/29

7:00 am-2:46 pm

2 stops8h 46m

Seattle/Tacoma Intl

mar. 5/5

5:05 am-11:35 am

1 stop5h 30m

$284

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

mié. 4/22

12:00 pm-8:57 pm

2 stops9h 57m

Seattle/Tacoma Intl

mar. 4/28

3:48 pm-10:28 pm

1 stop5h 40m

$284

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mar. 2/24

4:19 pm-8:46 pm

1 stop6h 27m

Seattle/Tacoma Intl

mar. 3/3

6:10 am-3:34 pm

1 stop7h 24m

$289

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mié. 5/6

6:00 am-9:40 am

1 stop5h 40m

Seattle/Tacoma Intl

dom. 5/10

7:08 am-8:20 pm

2 stops11h 12m

$294

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

mar. 3/31

12:00 pm-6:00 pm

1 stop7h 00m

Seattle/Tacoma Intl

lun. 6/8

5:00 am-12:35 pm

1 stop6h 35m

$297

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 2/13

2:52 pm-9:12 pm

1 stop7h 20m

Seattle/Tacoma Intl

mar. 2/17

5:00 am-1:13 pm

1 stop7h 13m

$309

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mar. 2/24

5:00 pm-9:12 pm

1 stop6h 12m

Seattle/Tacoma Intl

mar. 3/3

5:00 am-5:21 pm

2 stops10h 21m

$332

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 2/27

5:40 pm-10:59 pm

1 stop6h 19m

Seattle/Tacoma Intl

lun. 3/2

8:30 am-8:44 pm

2 stops11h 14m

$354

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mar. 3/10

1:38 pm-6:04 pm

1 stop6h 26m

Seattle/Tacoma Intl

mar. 3/17

7:15 am-8:40 pm

2 stops11h 25m

$354

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 3/6

5:41 pm-10:59 pm

1 stop6h 18m

Seattle/Tacoma Intl

jue. 3/12

5:00 am-1:13 pm

1 stop7h 13m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 33 results
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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, July is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $193). Flying from South Dakota to Seattle in June is currently the most expensive (average of $304). 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.

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 $289, United Airlines can have you in Seattle from South Dakota in 6h 27m. 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. Delta flights start at $104 while deals on Sun Country Air start at $137 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, July is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $193). Flying from South Dakota to Seattle in June is currently the most expensive (average of $304). 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
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis

Browse thousands of different options on Cheapflights for your next trip

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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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$190Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$570FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$418FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$486FlexibilityNo cancel feeOn-time69%

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