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$150+ Cheap flights from South Dakota to Washington

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 2/18. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
oct. 15 — oct. 221
mié. 10/15
mié. 10/22
1 adult, Economy
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Cheap flight deals from South Dakota to Washington

Keep the following information in mind while searching for South Dakota to Washington flight deals. Data was last updated septiembre 15, 2025.

Round-trip from

$157
(Frontier)

One-way from

$150
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$348
From South Dakota to Washington
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One-way flight from South Dakota to Washington
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Highest demand for flights based on searches. 10% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from South Dakota to Washington

Cheapest flights from South Dakota to Washington
Explore the most affordable flight options available from South Dakota to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 15, 2025.

This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/32:54 pmFSD - SEA
1 stop11h 36mFrontier
lun. 10/66:12 amSEA - FSD
1 stop5h 57mFrontier
Deal found 9/14$157
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/292:54 pmFSD - PDX
1 stop11h 18mFrontier
vie. 10/36:05 amPDX - FSD
1 stop6h 04mFrontier
Deal found 9/14$177
This Frontier deal was found by Cheapflights users on 9/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/292:54 pmFSD - SEA
1 stop11h 36mFrontier
vie. 10/36:12 amSEA - FSD
1 stop5h 57mFrontier
Deal found 9/14$179
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/296:05 amRAP - GEG
1 stop8h 00mDelta
mié. 11/52:17 pmGEG - RAP
1 stop7h 19mDelta
Deal found 9/15$249
This American Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/296:00 amFSD - GEG
1 stop8h 20mAmerican Airlines
sáb. 11/112:49 pmGEG - FSD
1 stop7h 53mAmerican Airlines
Deal found 9/14$251
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:56 amFSD - PDX
1 stop8h 31mDelta
mié. 10/221:55 pmPDX - FSD
1 stop7h 02mDelta
Deal found 9/15$251
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:05 amRAP - GEG
2 stops10h 48mDelta
lun. 11/32:17 pmGEG - RAP
1 stop7h 19mDelta
Deal found 9/15$254
This Delta deal was found by Cheapflights users on 9/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/295:20 amFSD - GEG
2 stops8h 41mDelta
sáb. 11/15:45 amGEG - FSD
1 stop7h 59mDelta
Deal found 9/14$256
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/75:14 pmFSD - PSC
1 stop5h 25mUnited Airlines
sáb. 10/1112:45 pmPSC - FSD
1 stop5h 36mUnited Airlines
Deal found 9/15$259
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/295:15 amRAP - SEA
1 stop6h 20mUnited Airlines
mar. 11/43:48 pmSEA - RAP
1 stop5h 11mUnited Airlines
Deal found 9/15$259
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/316:05 amRAP - GEG
2 stops10h 48mDelta
mié. 11/51:10 pmGEG - RAP
2 stops8h 26mDelta
Deal found 9/15$259
This American Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 11/115:27 pmFSD - PDX
1 stop7h 59mAmerican Airlines
sáb. 11/151:26 pmPDX - FSD
1 stop8h 33mAmerican Airlines
Deal found 9/15$260

Cheapflights Fare Finder

 
Customize your flight search to find flights from South Dakota to Washington 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 septiembre 15, 2025.
Use the filters below to find and compare flights from South Dakota to Washington that are best for you.

Fly from

South Dakota

Fly to

Washington

Route

Depart

Return

Price

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

vie. 10/31

6:05 am-1:05 pm

1 stop8h 00m

Spokane

lun. 11/3

2:17 pm-10:36 pm

1 stop7h 19m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

vie. 10/31

6:05 am-1:05 pm

1 stop8h 00m

Spokane

mar. 11/4

2:17 pm-10:36 pm

1 stop7h 19m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

sáb. 11/1

6:05 am-1:05 pm

1 stop8h 00m

Spokane

lun. 11/3

2:17 pm-10:36 pm

1 stop7h 19m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

jue. 10/30

6:05 am-1:05 pm

1 stop8h 00m

Spokane

mié. 11/5

2:17 pm-10:36 pm

1 stop7h 19m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

sáb. 11/1

6:05 am-1:05 pm

1 stop8h 00m

Spokane

sáb. 11/8

5:45 am-1:45 pm

1 stop7h 00m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

vie. 10/31

6:05 am-1:05 pm

1 stop8h 00m

Spokane

mié. 11/5

2:17 pm-10:36 pm

1 stop7h 19m

$249

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

jue. 10/30

6:05 am-1:05 pm

1 stop8h 00m

Spokane

sáb. 11/8

5:45 am-1:45 pm

1 stop7h 00m

$249

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

mié. 10/29

6:00 am-12:20 pm

1 stop8h 20m

Spokane

sáb. 11/1

12:49 pm-10:42 pm

1 stop7h 53m

$251

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

mié. 10/29

6:05 am-1:05 pm

1 stop8h 00m

Spokane

sáb. 11/8

1:10 pm-10:36 pm

2 stops8h 26m

$254

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

mié. 10/29

5:20 am-12:01 pm

2 stops8h 41m

Spokane

sáb. 11/1

5:45 am-3:44 pm

1 stop7h 59m

$256

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 45 results
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Best time to book a flight from South Dakota to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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 Washington

What is the cheapest month to book a flight from South Dakota to State of Washington?

Currently, January is the cheapest month in which you can book a flight from South Dakota to State of Washington (average of $238). Flying from South Dakota to State of Washington in June is currently the most expensive (average of $387). 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 WA?

Find hourly flight availability from South Dakota to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 15, 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 State of Washington as you normally would.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated septiembre 15, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from South Dakota to Washington by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,954 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,929 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,172 reviews
Delta
8.0
Very good
7,954 reviews

Crew

8.5

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from South Dakota to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from South Dakota to State of Washington?

    Airlines like Delta, American Airlines, and United Airlines fly from South Dakota to State of Washington in about 5h 25m. The time it takes to get you to your destination can typically vary by up to 2h 55m. The distance between South Dakota and State of Washington is about 1106 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 State of Washington one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $150. However, be on the lookout for offers from United Airlines and Delta, as they are both options that can get you from South Dakota to State of Washington for a low price.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from South Dakota to Washington 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 State of Washington?

    Currently, January is the cheapest month in which you can book a flight from South Dakota to State of Washington (average of $238). Flying from South Dakota to State of Washington in June is currently the most expensive (average of $387). 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.

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Alternative routes for South Dakota to Washington

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Top 4 airlines flying from South Dakota to Washington

Discover the top 4 airlines that operate flights from South Dakota to Washington. 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 septiembre 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$148Average$270FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$490FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$509FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$254Average$368FlexibilityNo cancel feeOn-time71%

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