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$58+ 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 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Nov 8 — Nov 151
Sat 11/8
Sat 11/15
1 adult, Economy
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Find 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 October 9, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/7. 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 11/22:23 pmFSD - SEA
1 stop24h 40mFrontier
Wed 11/51:37 pmSEA - FSD
1 stop22h 01mFrontier
Deal found 10/7$180
This Delta deal was found by Cheapflights users on 10/7. 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 11/510:33 amRAP - SEA
1 stop7h 21mDelta
Wed 11/126:00 amSEA - RAP
1 stop7h 11mDelta
Deal found 10/7$259
This United Airlines deal was found by Cheapflights users on 10/7. 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 11/55:15 amRAP - SEA
1 stop6h 20mUnited Airlines
Wed 11/129:04 amSEA - RAP
2 stops8h 39mUnited Airlines
Deal found 10/7$264
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/288:45 amRAP - SEA
1 stop6h 09mUnited Airlines
Tue 11/43:48 pmSEA - RAP
1 stop5h 11mUnited Airlines
Deal found 10/8$274
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 10/235:50 pmRAP - SEA
1 stop6h 39mUnited Airlines
Mon 10/275:05 amSEA - RAP
1 stop6h 35mUnited Airlines
Deal found 10/8$289
This United Airlines deal was found by Cheapflights users on 10/8. 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 10/259:30 amFSD - SEA
1 stop8h 02mUnited Airlines
Sun 11/25:05 amSEA - FSD
1 stop5h 26mUnited Airlines
Deal found 10/8$294
This Delta deal was found by Cheapflights users on 10/7. 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 10/306:05 amRAP - SEA
1 stop7h 53mDelta
Wed 11/57:25 amSEA - RAP
2 stops14h 11mDelta
Deal found 10/7$308
This Delta deal was found by Cheapflights users on 10/7. 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 10/244:34 pmRAP - SEA
1 stop8h 23mDelta
Sun 10/2611:55 pmSEA - RAP
1 stop8h 58mDelta
Deal found 10/7$309
This United Airlines deal was found by Cheapflights users on 10/8. 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.
Thu 11/65:15 amRAP - SEA
1 stop6h 20mUnited Airlines
Mon 11/1012:00 pmSEA - RAP
1 stop5h 43mUnited Airlines
Deal found 10/8$312
This United Airlines deal was found by Cheapflights users on 10/7. 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 10/219:30 amFSD - SEA
1 stop8h 02mUnited Airlines
Sat 10/2510:50 amSEA - FSD
1 stop9h 32mUnited Airlines
Deal found 10/7$319
This United Airlines deal was found by Cheapflights users on 10/8. 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 11/181:47 pmFSD - SEA
1 stop6h 13mUnited Airlines
Sat 11/2211:30 pmSEA - FSD
1 stop9h 12mUnited Airlines
Deal found 10/8$325
This Delta deal was found by Cheapflights users on 10/7. 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.
Sat 10/251:35 pmFSD - SEA
1 stop8h 45mDelta
Sun 11/25:00 amSEA - FSD
1 stop7h 44mDelta
Deal found 10/7$369

Cheap 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 October 9, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$180
(Kiwi.com)

One-way from

$58
(Kiwi.com)

Popular in

March

Cheapest in

August

Average price

$389
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 ($60 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 9, 2025.
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

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sun 11/2

2:23 pm-1:03 pm

1 stop24h 40m

Seattle/Tacoma Intl

Wed 11/5

1:37 pm-1:38 pm

1 stop22h 01m

$180

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 10/30

12:18 pm-9:46 pm

1 stop10h 28m

Seattle/Tacoma Intl

Wed 11/5

11:34 am-9:16 pm

1 stop8h 42m

$259

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 10/28

12:27 pm-6:00 pm

1 stop6h 33m

Seattle/Tacoma Intl

Tue 11/4

5:05 am-11:05 am

1 stop5h 00m

$259

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 11/5

10:33 am-4:54 pm

1 stop7h 21m

Seattle/Tacoma Intl

Wed 11/12

6:00 am-2:11 pm

1 stop7h 11m

$259

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 11/5

5:15 am-10:35 am

1 stop6h 20m

Seattle/Tacoma Intl

Wed 11/12

5:00 am-11:05 am

1 stop5h 05m

$259

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 11/4

6:05 am-4:32 pm

2 stops11h 27m

Seattle/Tacoma Intl

Tue 11/11

6:00 am-3:45 pm

1 stop8h 45m

$264

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Thu 11/6

4:34 pm-11:57 pm

1 stop8h 23m

Seattle/Tacoma Intl

Mon 11/10

11:15 am-10:39 pm

2 stops10h 24m

$279

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 10/25

5:25 pm-12:27 am

1 stop9h 02m

Seattle/Tacoma Intl

Sat 11/1

12:59 am-10:27 am

1 stop8h 28m

$294

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 10/25

9:30 am-3:32 pm

1 stop8h 02m

Seattle/Tacoma Intl

Sun 11/2

5:05 am-12:31 pm

1 stop5h 26m

$294

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 10/23

5:14 pm-11:29 pm

1 stop8h 15m

Seattle/Tacoma Intl

Mon 10/27

11:59 pm-10:42 am

1 stop8h 43m

$319

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

Showing 1-10 of 24 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, November is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $153). 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.

What is the cheapest time of day to fly from SD to SEA?

Find hourly flight availability from South Dakota to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 9, 2025.

It’s typically best to fly out from South Dakota to Seattle in the evening. Doing so could potentially save you 29% on the flight price compared to flying at noon, which is usually more expensive.

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 $259, Frontier can have you in Seattle from South Dakota in 6h 33m. South Dakota and Seattle are separated by a distance of 954 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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, November is the cheapest month in which you can book a flight from South Dakota to Seattle (average of $153). 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
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lynnwood
Edmonds
Leavenworth
Renton
Lacey
Olympia
Kent
Federal Way
Cle Elum
Puyallup
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline

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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 October 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$183Average$280FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$579FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$431FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$274Average$500FlexibilityNo cancel feeOn-time69%

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