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$181+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
ago. 5 — ago. 121
mar. 8/5
mar. 8/12
1 adult, Economy
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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 julio 31, 2025.

Round-trip from

$218
(Frontier)

One-way from

$199
(Frontier)

Popular in

March

Cheapest in

July

Average price

$339
From South Dakota to Seattle/Tacoma Intl
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One-way flight from South Dakota to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 8% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 julio 31, 2025.

This Frontier deal was found by Cheapflights users on 7/29. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/203:07 pmFSD - SEA
1 stop9h 54mFrontier
mié. 8/276:41 amSEA - FSD
1 stop5h 31mFrontier
Deal found 7/29$218
This Delta deal was found by Cheapflights users on 7/31. 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.
vie. 9/264:24 pmRAP - SEA
1 stop8h 19mDelta
dom. 10/56:00 amSEA - RAP
1 stop8h 43mDelta
Deal found 7/31$259
This American Airlines deal was found by Cheapflights users on 7/31. 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. 11/42:35 pmFSD - SEA
1 stop7h 39mAmerican Airlines
vie. 11/712:59 amSEA - FSD
1 stop7h 28mAmerican Airlines
Deal found 7/31$269
This United Airlines deal was found by Cheapflights users on 7/31. 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.
lun. 9/85:06 pmFSD - SEA
1 stop7h 53mUnited Airlines
sáb. 9/137:00 amSEA - FSD
1 stop8h 29mUnited Airlines
Deal found 7/31$283
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 9/245:46 pmFSD - SEA
1 stop7h 57mDelta
lun. 9/2911:40 pmSEA - FSD
1 stop8h 27mDelta
Deal found 7/29$294
This United Airlines deal was found by Cheapflights users on 7/29. 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.
vie. 9/54:47 pmRAP - SEA
1 stop7h 12mUnited Airlines
mié. 9/105:02 amSEA - RAP
1 stop6h 36mUnited Airlines
Deal found 7/29$315
This Sun Country Air deal was found by Cheapflights users on 7/31. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/295:15 pmRAP - SEA
1 stop28h 23mSun Country Air
lun. 9/19:13 amSEA - RAP
1 stop6h 15mSun Country Air
Deal found 7/31$330
This Alaska Airlines deal was found by Cheapflights users on 7/31. 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.
mié. 9/246:00 amFSD - SEA
1 stop8h 34mAlaska Airlines
sáb. 9/2712:59 amSEA - FSD
1 stop8h 49mAlaska Airlines
Deal found 7/31$434
This American Airlines deal was found by Cheapflights users on 7/30. 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.
mié. 8/136:04 pmRAP - SEA
1 stop16h 15mAmerican Airlines
mié. 8/2012:46 amSEA - RAP
1 stop15h 56mAmerican Airlines
Deal found 7/30$548
This Mytrip deal was found by Cheapflights users on 7/30. 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.
jue. 8/1410:00 pmRAP - SEA
3 stops38h 02mMultiple Airlines
lun. 8/189:09 amSEA - RAP
1 stop6h 00mMultiple Airlines
Deal found 7/30$553

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 julio 31, 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

mié. 8/20

3:07 pm-11:01 pm

1 stop9h 54m

Seattle/Tacoma Intl

mié. 8/27

6:41 am-2:12 pm

1 stop5h 31m

$218

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 9/26

4:24 pm-11:43 pm

1 stop8h 19m

Seattle/Tacoma Intl

dom. 10/5

6:00 am-3:43 pm

1 stop8h 43m

$259

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mar. 11/4

2:35 pm-8:14 pm

1 stop7h 39m

Seattle/Tacoma Intl

vie. 11/7

12:59 am-10:27 am

1 stop7h 28m

$269

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

lun. 9/8

5:06 pm-10:59 pm

1 stop7h 53m

Seattle/Tacoma Intl

sáb. 9/13

7:00 am-5:29 pm

1 stop8h 29m

$283

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mié. 9/24

5:46 pm-11:43 pm

1 stop7h 57m

Seattle/Tacoma Intl

lun. 9/29

11:40 pm-10:07 am

1 stop8h 27m

$294

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

jue. 10/30

6:00 pm-11:10 pm

1 stop6h 10m

Seattle/Tacoma Intl

lun. 11/3

3:48 pm-9:59 pm

1 stop5h 11m

$302

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 8/29

5:15 pm-8:38 pm

1 stop28h 23m

Seattle/Tacoma Intl

lun. 9/1

9:13 am-4:28 pm

1 stop6h 15m

$330

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

dom. 10/5

4:38 pm-11:05 pm

1 stop7h 27m

Seattle/Tacoma Intl

mar. 10/7

10:32 am-9:19 pm

1 stop9h 47m

$351

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

vie. 8/15

5:27 pm-6:46 pm

2 stops26h 19m

Seattle/Tacoma Intl

dom. 8/17

6:25 am-4:09 pm

2 stops32h 44m

$420

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

mié. 9/24

6:00 am-12:34 pm

1 stop8h 34m

Seattle/Tacoma Intl

sáb. 9/27

12:59 am-11:48 am

1 stop8h 49m

$434

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 17 results
1
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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 $238). Flying from South Dakota to Seattle in June is currently the most expensive (average of $389). 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 julio 31, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from South Dakota to Seattle as you normally would.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated julio 31, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta, and United Airlines from South Dakota to Seattle. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Delta
8.0
Very good
7,981 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
United Airlines
7.4
Good
8,900 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.
Sun Country Air
6.9
Okay
334 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2025

EUG - SEA

Mobility support was fabulous No flight entertainment that I was aware of.

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.

  • 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 $199. Sun Country Air flights start at $203 while deals on Delta start at $211 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 $238). Flying from South Dakota to Seattle in June is currently the most expensive (average of $389). 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
Ocean Shores
Lakewood
Lynnwood
Lacey
Leavenworth
Renton
Olympia
Puyallup
Kent
Cle Elum
Chehalis
Kirkland
Issaquah
Aberdeen
Shoreline
Federal Way
Shelton

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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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$139Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$229Average$580FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$268Average$432FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$282Average$565FlexibilityNo cancel feeOn-time69%

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