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$137+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
May 30 — Jun 61
Sat 5/30
Sat 6/6
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 April 30, 2026.

This CheapOair deal was found by Cheapflights users on 4/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:18 pm
FSD
-
SEA
1 stop16h 48m
Frontier
Tue 6/93:33 pm
SEA
-
FSD
1 stop25h 46m
Frontier
Deal found 4/28$261
This CheapOair deal was found by Cheapflights users on 4/29. 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.
Mon 5/114:07 pm
FSD
-
SEA
1 stop19h 42m
Frontier
Sun 5/177:50 pm
SEA
-
FSD
1 stop17h 32m
Frontier
Deal found 4/29$263
This CheapOair deal was found by Cheapflights users on 4/25. 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 5/277:18 pm
FSD
-
SEA
1 stop16h 48m
Frontier
Sun 5/313:19 pm
SEA
-
FSD
1 stop22h 21m
Frontier
Deal found 4/25$281
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/49:54 pm
RAP
-
SEA
1 stop13h 42m
Multiple Airlines
Sat 6/68:20 pm
SEA
-
RAP
1 stop23h 44m
Multiple Airlines
Deal found 4/28$305
This Kiwi.com deal was found by Cheapflights users on 4/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/33:36 pm
FSD
-
SEA
2 stops29h 29m
Multiple Airlines
Tue 6/97:41 pm
SEA
-
FSD
1 stop21h 38m
Multiple Airlines
Deal found 4/28$308
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Wed 5/132:35 pm
FSD
-
SEA
1 stop21h 47m
Multiple Airlines
Tue 5/1911:06 am
SEA
-
FSD
2 stops25h 43m
Multiple Airlines
Deal found 4/26$309
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/132:35 pm
FSD
-
SEA
1 stop21h 47m
Multiple Airlines
Wed 5/2011:06 am
SEA
-
FSD
2 stops45h 48m
Multiple Airlines
Deal found 4/29$326
This American Airlines deal was found by Cheapflights users on 4/29. 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 9/26:25 am
FSD
-
SEA
1 stop10h 07m
American Airlines
Thu 9/1010:17 am
SEA
-
FSD
1 stop9h 38m
American Airlines
Deal found 4/29$329
This United Airlines deal was found by Cheapflights users on 4/29. 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 9/306:00 am
FSD
-
SEA
2 stops8h 20m
United Airlines
Wed 10/143:55 pm
SEA
-
FSD
1 stop5h 49m
United Airlines
Deal found 4/29$334
This United Airlines deal was found by Cheapflights users on 4/27. 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.
Fri 6/55:53 pm
RAP
-
SEA
1 stop6h 17m
United Airlines
Wed 6/105:00 am
SEA
-
RAP
1 stop6h 29m
United Airlines
Deal found 4/27$339
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Thu 6/189:54 pm
RAP
-
SEA
1 stop13h 41m
Multiple Airlines
Wed 6/248:12 pm
SEA
-
RAP
1 stop23h 52m
Multiple Airlines
Deal found 4/29$340
This Kiwi.com deal was found by Cheapflights users on 4/26. 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.
Mon 5/119:35 pm
FSD
-
SEA
2 stops38h 14m
Multiple Airlines
Tue 5/197:50 pm
SEA
-
FSD
1 stop20h 43m
Multiple Airlines
Deal found 4/26$341

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 April 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$261
(CheapOair)

One-way from

$137
(CheapOair)

Popular in

June

Cheapest in

January

Average price

$348
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. 15% potential increase in price ($76 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 April 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 April 30, 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
Quickest round-trip

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 7/9

4:36 pm-11:10 pm

1 stop7h 34m

Seattle/Tacoma Intl

Tue 7/14

5:00 am-12:29 pm

1 stop6h 29m

$367

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Tue 9/8

9:36 am-1:14 pm

1 stop5h 38m

Seattle/Tacoma Intl

Tue 9/15

11:05 am-9:52 pm

2 stops8h 47m

$388

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 5/9

5:05 pm-9:06 pm

1 stop6h 01m

Seattle/Tacoma Intl

Thu 8/20

10:47 am-9:52 pm

1 stop9h 05m

$417

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 8/27

5:53 pm-11:11 pm

1 stop6h 18m

Seattle/Tacoma Intl

Tue 9/1

8:38 am-8:32 pm

2 stops10h 54m

$424

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Fri 6/5

2:36 pm-12:10 am

2 stops10h 34m

Seattle/Tacoma Intl

Wed 6/10

11:05 am-10:38 pm

2 stops10h 33m

$448

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 5/9

5:05 pm-1:12 am

2 stops10h 07m

Seattle/Tacoma Intl

Tue 5/19

8:38 am-8:20 pm

2 stops9h 42m

$474

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 9/2

1:19 pm-11:24 pm

2 stops12h 05m

Seattle/Tacoma Intl

Thu 9/10

10:47 am-9:52 pm

1 stop9h 05m

$485

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Wed 9/2

12:48 pm-6:16 pm

1 stop7h 28m

Seattle/Tacoma Intl

Thu 9/10

8:59 pm-4:40 pm

2 stops17h 41m

$494

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Mon 8/3

5:27 pm-10:46 pm

1 stop6h 19m

Seattle/Tacoma Intl

Thu 8/6

11:59 pm-4:22 pm

1 stop15h 23m

$497

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 6/26

5:35 pm-12:59 am

1 stop9h 24m

Seattle/Tacoma Intl

Mon 7/6

6:00 am-4:24 pm

1 stop8h 24m

$515

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 40 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

How far ahead should I book a flight from South Dakota to Seattle?

To ensure you get the cheapest price possible for a flight from South Dakota to Seattle, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, October is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $156). 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 $494, United Airlines can have you in Seattle from South Dakota in 7h 28m. 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. American Airlines flights start at $180 while deals on United Airlines start at $215 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, October is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $156). 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
Lynnwood
Lacey
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Puyallup
Kent
Renton
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to Seattle

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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 April 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$190Average$283FlexibilityNo cancel feeOn-time62%
DeltaCheapest$228Average$567FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$250Average$444FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$388FlexibilityNo cancel feeOn-time71%

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