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$110+ 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 7/13. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$243
(Mytrip)

One-way from

$110
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$566
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. 4% potential increase in price ($24 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/10. 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.
Sat 7/263:32 pmRAP - PDX
1 stop19h 12mAllegiant Air
Thu 7/3110:34 amPDX - RAP
1 stop28h 17mAllegiant Air
Deal found 6/10$243
This Delta deal was found by Cheapflights users on 6/11. 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.
Tue 7/17:59 pmFSD - PDX
1 stop5h 33mDelta
Tue 7/85:00 pmPDX - FSD
1 stop4h 44mDelta
Deal found 6/11$247
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Sat 8/92:35 pmFSD - PDX
1 stop6h 48mAmerican Airlines
Sat 8/165:34 amPDX - FSD
1 stop9h 01mAmerican Airlines
Deal found 6/9$251
This United Airlines deal was found by Cheapflights users on 6/11. 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 10/89:56 amRAP - SEA
1 stop6h 36mUnited Airlines
Sun 10/125:00 amSEA - RAP
1 stop6h 37mUnited Airlines
Deal found 6/11$259
This United Airlines deal was found by Cheapflights users on 6/10. 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 10/255:14 pmFSD - PSC
1 stop5h 25mUnited Airlines
Tue 10/285:05 amPSC - FSD
1 stop5h 26mUnited Airlines
Deal found 6/10$259
This Delta deal was found by Cheapflights users on 6/12. 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.
Tue 10/284:35 pmRAP - SEA
1 stop7h 57mDelta
Sat 11/19:40 amSEA - RAP
2 stops11h 30mDelta
Deal found 6/12$264
This Delta deal was found by Cheapflights users on 6/11. 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 8/305:00 amFSD - SEA
1 stop5h 48mDelta
Wed 9/101:40 pmSEA - FSD
1 stop8h 06mDelta
Deal found 6/11$269
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 8/222:35 pmFSD - SEA
1 stop7h 59mAmerican Airlines
Sun 8/2412:58 amSEA - FSD
1 stop10h 00mAmerican Airlines
Deal found 6/10$270
This Frontier deal was found by Cheapflights users on 6/12. 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.
Thu 8/142:57 pmFSD - SEA
1 stop11h 37mFrontier
Thu 8/216:17 amSEA - FSD
1 stop5h 06mFrontier
Deal found 6/12$271
This Frontier deal was found by Cheapflights users on 6/11. 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.
Wed 7/237:48 pmFSD - PDX
1 stop5h 36mFrontier
Thu 7/246:35 amPDX - FSD
1 stop5h 27mFrontier
Deal found 6/11$276
This United Airlines deal was found by Cheapflights users on 6/11. 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 6/198:40 amRAP - GEG
1 stop4h 55mUnited Airlines
Thu 6/261:37 pmGEG - RAP
1 stop6h 10mUnited Airlines
Deal found 6/11$284
This American Airlines deal was found by Cheapflights users on 6/11. 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 8/206:00 amFSD - GEG
1 stop7h 44mAmerican Airlines
Sat 8/2312:29 pmGEG - FSD
1 stop6h 34mAmerican Airlines
Deal found 6/11$285

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 June 12, 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 CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 7/26

3:32 pm-9:44 am

1 stop19h 12m

Portland

Thu 7/31

10:34 am-3:51 pm

1 stop28h 17m

$243

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 7/1

7:59 pm-11:32 pm

1 stop5h 33m

Portland

Tue 7/8

5:00 pm-11:44 pm

1 stop4h 44m

$247

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Sat 8/9

2:35 pm-7:23 pm

1 stop6h 48m

Portland

Sat 8/16

5:34 am-4:35 pm

1 stop9h 01m

$251

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Wed 10/8

9:56 am-3:32 pm

1 stop6h 36m

Seattle/Tacoma Intl

Sun 10/12

5:00 am-12:37 pm

1 stop6h 37m

$259

Sioux FallsPasco

FSD - PSC

FSDPSC

Sioux Falls Joe Foss Field

Sat 10/25

5:14 pm-8:39 pm

1 stop5h 25m

Pasco Tri Cities

Tue 10/28

5:05 am-12:31 pm

1 stop5h 26m

$259

Rapid CitySeattle

RAP - SEA

RAPSEA

Rapid City

Tue 10/28

4:35 pm-11:32 pm

1 stop7h 57m

Seattle/Tacoma Intl

Sat 11/1

9:40 am-10:10 pm

2 stops11h 30m

$264

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sat 8/30

5:00 am-8:48 am

1 stop5h 48m

Seattle/Tacoma Intl

Wed 9/10

1:40 pm-11:46 pm

1 stop8h 06m

$269

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 8/22

2:35 pm-8:34 pm

1 stop7h 59m

Seattle/Tacoma Intl

Sun 8/24

12:58 am-12:58 pm

1 stop10h 00m

$270

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Thu 8/14

2:57 pm-12:34 am

1 stop11h 37m

Seattle/Tacoma Intl

Thu 8/21

6:17 am-1:23 pm

1 stop5h 06m

$271

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Wed 7/23

7:48 pm-11:24 pm

1 stop5h 36m

Portland

Thu 7/24

6:35 am-2:02 pm

1 stop5h 27m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 55 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 July is currently the most expensive (average of $391). 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 June 12, 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.

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from South Dakota to Washington to help guide your decision. 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

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Allegiant Air
7.3
Good
725 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

  • What are the cheapest airlines to fly from South Dakota to State of Washington one-way?

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from Frontier and Sun Country Air, 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 July is currently the most expensive (average of $391). 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

See prices for flight routes from nearby airports that may be better suited for you.
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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$230FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$486FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$559FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$452FlexibilityNo cancel feeOn-time71%

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