HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$122+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
FSD — SEA
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from South Dakota to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 22, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$221
(CheapOair)

One-way from

$122
(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.
Search Deals
Provider most trusted by Cheapflights users for Sioux Falls Joe Foss Field-Seattle/Tacoma Intl flights.
Search Deals
From South Dakota to Washington
Search Deals
One-way flight from South Dakota to Washington
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($19 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 22, 2025.

This CheapOair deal was found by Cheapflights users on 4/21. 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.
Sun 5/253:58 pmFSD - PDX
1 stop20h 11mFrontier
Fri 5/306:35 amPDX - FSD
1 stop6h 23mFrontier
Deal found 4/21$221
This Delta deal was found by Cheapflights users on 4/22. 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 7/121:20 pmFSD - GEG
1 stop8h 09mDelta
Tue 7/1511:55 amGEG - FSD
1 stop5h 11mDelta
Deal found 4/22$251
This American Airlines deal was found by Cheapflights users on 4/22. 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 9/37:21 amFSD - GEG
1 stop7h 14mAmerican Airlines
Sun 9/71:39 pmGEG - FSD
1 stop8h 20mAmerican Airlines
Deal found 4/22$255
This Delta deal was found by Cheapflights users on 4/22. 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 5/66:00 amRAP - GEG
1 stop8h 05mDelta
Sat 5/102:10 pmGEG - RAP
1 stop7h 24mDelta
Deal found 4/22$259
This Mytrip deal was found by Cheapflights users on 4/22. 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 5/37:40 pmRAP - PDX
1 stop16h 46mMultiple Airlines
Sat 5/105:40 pmPDX - RAP
1 stop22h 10mMultiple Airlines
Deal found 4/22$283
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/66:00 amFSD - GEG
2 stops10h 41mUnited Airlines
Sat 5/101:40 pmGEG - FSD
1 stop5h 09mUnited Airlines
Deal found 4/21$294
This CheapOair deal was found by Cheapflights users on 4/21. 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.
Sun 5/253:58 pmFSD - SEA
1 stop10h 39mFrontier
Sat 5/313:00 pmSEA - FSD
1 stop21h 58mFrontier
Deal found 4/21$301
This American Airlines deal was found by Cheapflights users on 4/22. 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 9/174:38 pmRAP - PDX
1 stop7h 05mAmerican Airlines
Tue 9/237:00 amPDX - RAP
1 stop9h 27mAmerican Airlines
Deal found 4/22$304
This United Airlines deal was found by Cheapflights users on 4/21. 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 5/64:53 pmFSD - PDX
1 stop6h 13mUnited Airlines
Sat 5/1010:51 amPDX - FSD
1 stop9h 26mUnited Airlines
Deal found 4/21$319
This United Airlines deal was found by Cheapflights users on 4/22. 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 9/174:47 pmRAP - PDX
2 stops8h 58mUnited Airlines
Tue 9/2310:55 amPDX - RAP
1 stop5h 07mUnited Airlines
Deal found 4/22$334
This Mytrip deal was found by Cheapflights users on 4/21. 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 5/3112:26 pmFSD - PDX
1 stop23h 25mMultiple Airlines
Sun 6/85:40 pmPDX - FSD
2 stops25h 39mMultiple Airlines
Deal found 4/21$337
This American Airlines deal was found by Cheapflights users on 4/21. 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.
Thu 5/155:18 amFSD - PDX
1 stop7h 06mAmerican Airlines
Sat 5/315:05 amPDX - FSD
1 stop6h 55mAmerican Airlines
Deal found 4/21$341

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 22, 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

Sun 5/25

3:58 pm-10:09 am

1 stop20h 11m

Portland

Fri 5/30

6:35 am-2:58 pm

1 stop6h 23m

$221

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Sat 7/12

1:20 pm-7:29 pm

1 stop8h 09m

Spokane

Tue 7/15

11:55 am-7:06 pm

1 stop5h 11m

$251

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Wed 9/3

7:21 am-12:35 pm

1 stop7h 14m

Spokane

Sun 9/7

1:39 pm-11:59 pm

1 stop8h 20m

$255

Rapid CitySpokane

RAP - GEG

RAPGEG

Rapid City

Tue 5/6

6:00 am-1:05 pm

1 stop8h 05m

Spokane

Sat 5/10

2:10 pm-10:34 pm

1 stop7h 24m

$259

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Sat 5/3

7:40 pm-11:26 am

1 stop16h 46m

Portland

Sat 5/10

5:40 pm-4:50 pm

1 stop22h 10m

$283

Sioux FallsSpokane

FSD - GEG

FSDGEG

Sioux Falls Joe Foss Field

Tue 5/6

6:00 am-2:41 pm

2 stops10h 41m

Spokane

Sat 5/10

1:40 pm-8:49 pm

1 stop5h 09m

$294

Sioux FallsSeattle

FSD - SEA

FSDSEA

Sioux Falls Joe Foss Field

Sun 5/25

3:58 pm-12:37 am

1 stop10h 39m

Seattle/Tacoma Intl

Sat 5/31

3:00 pm-2:58 pm

1 stop21h 58m

$301

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 9/17

4:38 pm-10:43 pm

1 stop7h 05m

Portland

Tue 9/23

7:00 am-5:27 pm

1 stop9h 27m

$304

Sioux FallsPortland

FSD - PDX

FSDPDX

Sioux Falls Joe Foss Field

Tue 5/6

4:53 pm-9:06 pm

1 stop6h 13m

Portland

Sat 5/10

10:51 am-10:17 pm

1 stop9h 26m

$319

Rapid CityPortland

RAP - PDX

RAPPDX

Rapid City

Wed 9/17

4:47 pm-12:45 am

2 stops8h 58m

Portland

Tue 9/23

10:55 am-5:02 pm

1 stop5h 07m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 36 results
1
2
3
4

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 22, 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 22, 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
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,906 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,920 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,684 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Frontier
6.0
Okay
3,283 reviews
Alaska Airlines
8.0
Very good
9,906 reviews

Food

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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 Delta, with whom users have recently found tickets for as low as $126. However, be on the lookout for offers from Frontier and American Airlines, 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for South Dakota to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
John F Kennedy Intl to Miami flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
Dallas/Fort Worth to Seattle flights
Newark to Las Vegas flights
Newark to Los Angeles flights
Dallas/Fort Worth to John F Kennedy Intl flights
LaGuardia to Miami flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
Los Angeles to Newark flights
Newark to Orlando flights
LaGuardia to O'Hare Intl flights
Los Angeles to Honolulu flights
John F Kennedy Intl to O'Hare Intl flights
John F Kennedy Intl to Dallas/Fort Worth flights
Dallas/Fort Worth to O'Hare Intl flights
Seattle to Los Angeles flights
John F Kennedy Intl to San Francisco flights
John F Kennedy Intl to Las Vegas flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Seattle flights
San Francisco to Newark flights
John F Kennedy Intl to Seattle flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to LaGuardia flights
Dallas/Fort Worth to Newark flights
Newark to O'Hare Intl flights
Newark to Dallas/Fort Worth flights
LaGuardia to Atlanta flights
O'Hare Intl to LaGuardia flights
Los Angeles to LaGuardia flights
O'Hare Intl to Dallas/Fort Worth flights
O'Hare Intl to John F Kennedy Intl flights
Seattle to John F Kennedy Intl flights
Dallas/Fort Worth to Las Vegas flights
Newark to San Francisco flights
LaGuardia to Dallas/Fort Worth flights
Atlanta to LaGuardia flights
Seattle to Newark flights
Seattle to Las Vegas flights
LaGuardia to Orlando flights
O'Hare Intl to Las Vegas flights
John F Kennedy Intl to Hobby flights
LaGuardia to Los Angeles flights
Los Angeles to Boston flights
Newark to Denver flights

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 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$226FlexibilityNo cancel feeOn-time62%
DeltaCheapest$198Average$395FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$267Average$565FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$268Average$504FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.