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$83+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Apr 6 — Apr 131
Sun 4/6
Sun 4/13
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 April 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$209
(Mytrip)

One-way from

$83
(Mytrip)

Popular in

March

Cheapest in

October

Average price

$463
Provider with most accurate pricing for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flight deals.
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From South Dakota to Washington
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One-way flight from South Dakota to Washington
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 1, 2025.

This Mytrip deal was found by Cheapflights users on 3/30. 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.
Fri 5/29:59 pmFSD - PDX
1 stop17h 38mMultiple Airlines
Tue 5/67:01 pmPDX - FSD
1 stop15h 48mMultiple Airlines
Deal found 3/30$209
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/289:59 pmFSD - SEA
1 stop15h 36mMultiple Airlines
Tue 5/612:30 pmSEA - FSD
1 stop22h 19mMultiple Airlines
Deal found 3/31$216
This Delta deal was found by Cheapflights users on 3/31. 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.
Fri 5/237:59 pmFSD - GEG
1 stop5h 16mDelta
Tue 5/277:25 pmGEG - FSD
2 stops12h 50mDelta
Deal found 3/31$244
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 10/44:38 pmRAP - PDX
1 stop7h 05mAmerican Airlines
Sat 10/185:57 amPDX - RAP
1 stop9h 08mAmerican Airlines
Deal found 3/31$289
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 7/235:14 pmFSD - PDX
1 stop7h 45mAmerican Airlines
Sat 7/265:30 amPDX - FSD
1 stop8h 45mAmerican Airlines
Deal found 3/31$294
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/233:58 pmFSD - SEA
1 stop24h 12mFrontier
Sun 5/256:25 amSEA - FSD
1 stop6h 33mFrontier
Deal found 3/31$300
This CheapOair deal was found by Cheapflights users on 3/31. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/23:58 pmFSD - PDX
1 stop10h 21mFrontier
Sat 6/75:50 pmPDX - FSD
1 stop19h 08mFrontier
Deal found 3/31$300
This Mytrip deal was found by Cheapflights users on 3/31. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/175:21 pmRAP - PDX
1 stop17h 30mMultiple Airlines
Sat 5/245:40 pmPDX - RAP
1 stop26h 34mMultiple Airlines
Deal found 3/31$322
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/24:53 pmFSD - PDX
1 stop8h 00mUnited Airlines
Tue 5/66:30 pmPDX - FSD
2 stops14h 09mUnited Airlines
Deal found 3/30$324
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 6/45:55 pmRAP - PDX
1 stop5h 40mUnited Airlines
Tue 6/104:15 pmPDX - RAP
1 stop4h 45mUnited Airlines
Deal found 3/31$329
This United Airlines deal was found by Cheapflights users on 3/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/298:00 amFSD - PSC
2 stops15h 00mUnited Airlines
Tue 5/65:00 amPSC - FSD
1 stop5h 38mUnited Airlines
Deal found 3/30$344
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Wed 10/85:48 pmRAP - SEA
1 stop5h 48mUnited Airlines
Tue 10/145:07 amSEA - RAP
1 stop6h 23mUnited Airlines
Deal found 3/31$351

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 April 1, 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

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Fri 5/2

9:59 pm-1:37 pm

1 stop17h 38m

Portland

Tue 5/6

7:01 pm-12:49 pm

1 stop15h 48m

$209

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Mon 4/28

9:59 pm-11:35 am

1 stop15h 36m

Seattle/Tacoma Intl

Tue 5/6

12:30 pm-12:49 pm

1 stop22h 19m

$216

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Fri 5/23

7:59 pm-11:15 pm

1 stop5h 16m

Spokane

Tue 5/27

7:25 pm-10:15 am

2 stops12h 50m

$244

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Fri 5/23

3:58 pm-2:10 pm

1 stop24h 12m

Seattle/Tacoma Intl

Sun 5/25

6:25 am-2:58 pm

1 stop6h 33m

$300

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Mon 6/2

3:58 pm-12:19 am

1 stop10h 21m

Portland

Sat 6/7

5:50 pm-2:58 pm

1 stop19h 08m

$300

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 5/17

5:21 pm-9:51 am

1 stop17h 30m

Portland

Sat 5/24

5:40 pm-9:14 pm

1 stop26h 34m

$322

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Fri 5/2

4:53 pm-10:53 pm

1 stop8h 00m

Portland

Tue 5/6

6:30 pm-10:39 am

2 stops14h 09m

$324

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 6/4

5:55 pm-10:35 pm

1 stop5h 40m

Portland

Tue 6/10

4:15 pm-10:00 pm

1 stop4h 45m

$329

Sioux FallsPasco

FSD - PSC

FSDPSC

Sioux Falls Joe Foss Field

Tue 4/29

8:00 am-9:00 pm

2 stops15h 00m

Pasco Tri Cities

Tue 5/6

5:00 am-12:38 pm

1 stop5h 38m

$344

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Sat 4/26

1:29 pm-6:43 pm

1 stop7h 14m

Portland

Wed 4/30

11:52 pm-11:51 am

1 stop9h 59m

$349

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 34 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 $411). 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 April 1, 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 April 1, 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
9,818 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
9,818 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
7,899 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
8,615 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
9,818 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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
Sun Country Air
6.9
Okay
349 reviews
Alaska Airlines
8.0
Very good
9,818 reviews

Overall

8.0

Comfort

7.9

Food

7.1

Crew

8.5

Entertainment

7.1

Boarding

8.2

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 American Airlines, with whom users have recently found tickets for as low as $105. However, be on the lookout for offers from Delta and Frontier, 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 $411). 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

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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 April 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$133Average$223FlexibilityNo cancel feeOn-time62%
DeltaCheapest$208Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$556FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$518FlexibilityNo cancel feeOn-time71%
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